Imported Upstream version 2.22.1
[platform/upstream/git.git] / contrib / completion / git-completion.bash
index 8cfee95..8c6b610 100644 (file)
@@ -10,6 +10,7 @@
 #    *) local and remote tag names
 #    *) .git/remotes file names
 #    *) git 'subcommands'
+#    *) git email aliases for git-send-email
 #    *) tree paths within 'ref:path/to/file' expressions
 #    *) file paths within current working directory and index
 #    *) common --long-options
 # completion style.  For example '!f() { : git commit ; ... }; f' will
 # tell the completion to use commit completion.  This also works with aliases
 # of form "!sh -c '...'".  For example, "!sh -c ': git commit ; ... '".
+#
+# Compatible with bash 3.2.57.
+#
+# You can set the following environment variables to influence the behavior of
+# the completion routines:
+#
+#   GIT_COMPLETION_CHECKOUT_NO_GUESS
+#
+#     When set to "1", do not include "DWIM" suggestions in git-checkout
+#     completion (e.g., completing "foo" when "origin/foo" exists).
 
 case "$COMP_WORDBREAKS" in
 *:*) : great ;;
 *)   COMP_WORDBREAKS="$COMP_WORDBREAKS:"
 esac
 
+# Discovers the path to the git repository taking any '--git-dir=<path>' and
+# '-C <path>' options into account and stores it in the $__git_repo_path
+# variable.
+__git_find_repo_path ()
+{
+       if [ -n "$__git_repo_path" ]; then
+               # we already know where it is
+               return
+       fi
+
+       if [ -n "${__git_C_args-}" ]; then
+               __git_repo_path="$(git "${__git_C_args[@]}" \
+                       ${__git_dir:+--git-dir="$__git_dir"} \
+                       rev-parse --absolute-git-dir 2>/dev/null)"
+       elif [ -n "${__git_dir-}" ]; then
+               test -d "$__git_dir" &&
+               __git_repo_path="$__git_dir"
+       elif [ -n "${GIT_DIR-}" ]; then
+               test -d "${GIT_DIR-}" &&
+               __git_repo_path="$GIT_DIR"
+       elif [ -d .git ]; then
+               __git_repo_path=.git
+       else
+               __git_repo_path="$(git rev-parse --git-dir 2>/dev/null)"
+       fi
+}
+
+# Deprecated: use __git_find_repo_path() and $__git_repo_path instead
 # __gitdir accepts 0 or 1 arguments (i.e., location)
 # returns location of .git repo
 __gitdir ()
 {
        if [ -z "${1-}" ]; then
-               if [ -n "${__git_dir-}" ]; then
-                       echo "$__git_dir"
-               elif [ -n "${GIT_DIR-}" ]; then
-                       test -d "${GIT_DIR-}" || return 1
-                       echo "$GIT_DIR"
-               elif [ -d .git ]; then
-                       echo .git
-               else
-                       git rev-parse --git-dir 2>/dev/null
-               fi
+               __git_find_repo_path || return 1
+               echo "$__git_repo_path"
        elif [ -d "$1/.git" ]; then
                echo "$1/.git"
        else
@@ -55,6 +86,78 @@ __gitdir ()
        fi
 }
 
+# Runs git with all the options given as argument, respecting any
+# '--git-dir=<path>' and '-C <path>' options present on the command line
+__git ()
+{
+       git ${__git_C_args:+"${__git_C_args[@]}"} \
+               ${__git_dir:+--git-dir="$__git_dir"} "$@" 2>/dev/null
+}
+
+# Removes backslash escaping, single quotes and double quotes from a word,
+# stores the result in the variable $dequoted_word.
+# 1: The word to dequote.
+__git_dequote ()
+{
+       local rest="$1" len ch
+
+       dequoted_word=""
+
+       while test -n "$rest"; do
+               len=${#dequoted_word}
+               dequoted_word="$dequoted_word${rest%%[\\\'\"]*}"
+               rest="${rest:$((${#dequoted_word}-$len))}"
+
+               case "${rest:0:1}" in
+               \\)
+                       ch="${rest:1:1}"
+                       case "$ch" in
+                       $'\n')
+                               ;;
+                       *)
+                               dequoted_word="$dequoted_word$ch"
+                               ;;
+                       esac
+                       rest="${rest:2}"
+                       ;;
+               \')
+                       rest="${rest:1}"
+                       len=${#dequoted_word}
+                       dequoted_word="$dequoted_word${rest%%\'*}"
+                       rest="${rest:$((${#dequoted_word}-$len+1))}"
+                       ;;
+               \")
+                       rest="${rest:1}"
+                       while test -n "$rest" ; do
+                               len=${#dequoted_word}
+                               dequoted_word="$dequoted_word${rest%%[\\\"]*}"
+                               rest="${rest:$((${#dequoted_word}-$len))}"
+                               case "${rest:0:1}" in
+                               \\)
+                                       ch="${rest:1:1}"
+                                       case "$ch" in
+                                       \"|\\|\$|\`)
+                                               dequoted_word="$dequoted_word$ch"
+                                               ;;
+                                       $'\n')
+                                               ;;
+                                       *)
+                                               dequoted_word="$dequoted_word\\$ch"
+                                               ;;
+                                       esac
+                                       rest="${rest:2}"
+                                       ;;
+                               \")
+                                       rest="${rest:1}"
+                                       break
+                                       ;;
+                               esac
+                       done
+                       ;;
+               esac
+       done
+}
+
 # The following function is based on code from:
 #
 #   bash_completion - programmable completion functions for bash 3.2+
@@ -74,8 +177,7 @@ __gitdir ()
 #   GNU General Public License for more details.
 #
 #   You should have received a copy of the GNU General Public License
-#   along with this program; if not, write to the Free Software Foundation,
-#   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#   along with this program; if not, see <http://www.gnu.org/licenses/>.
 #
 #   The latest version of this software can be obtained here:
 #
@@ -184,9 +286,23 @@ _get_comp_words_by_ref ()
 }
 fi
 
+# Fills the COMPREPLY array with prefiltered words without any additional
+# processing.
+# Callers must take care of providing only words that match the current word
+# to be completed and adding any prefix and/or suffix (trailing space!), if
+# necessary.
+# 1: List of newline-separated matching completion words, complete with
+#    prefix and suffix.
+__gitcomp_direct ()
+{
+       local IFS=$'\n'
+
+       COMPREPLY=($1)
+}
+
 __gitcompappend ()
 {
-       local i=${#COMPREPLY[@]}
+       local i=${#COMPREPLY[@]}
        for x in $1; do
                if [[ "$x" == "$3"* ]]; then
                        COMPREPLY[i++]="$2$x$4"
@@ -214,9 +330,32 @@ __gitcomp ()
        case "$cur_" in
        --*=)
                ;;
+       --no-*)
+               local c i=0 IFS=$' \t\n'
+               for c in $1; do
+                       if [[ $c == "--" ]]; then
+                               continue
+                       fi
+                       c="$c${4-}"
+                       if [[ $c == "$cur_"* ]]; then
+                               case $c in
+                               --*=*|*.) ;;
+                               *) c="$c " ;;
+                               esac
+                               COMPREPLY[i++]="${2-}$c"
+                       fi
+               done
+               ;;
        *)
                local c i=0 IFS=$' \t\n'
                for c in $1; do
+                       if [[ $c == "--" ]]; then
+                               c="--no-...${4-}"
+                               if [[ $c == "$cur_"* ]]; then
+                                       COMPREPLY[i++]="${2-}$c "
+                               fi
+                               break
+                       fi
                        c="$c${4-}"
                        if [[ $c == "$cur_"* ]]; then
                                case $c in
@@ -230,6 +369,48 @@ __gitcomp ()
        esac
 }
 
+# Clear the variables caching builtins' options when (re-)sourcing
+# the completion script.
+if [[ -n ${ZSH_VERSION-} ]]; then
+       unset $(set |sed -ne 's/^\(__gitcomp_builtin_[a-zA-Z0-9_][a-zA-Z0-9_]*\)=.*/\1/p') 2>/dev/null
+else
+       unset $(compgen -v __gitcomp_builtin_)
+fi
+
+# This function is equivalent to
+#
+#    __gitcomp "$(git xxx --git-completion-helper) ..."
+#
+# except that the output is cached. Accept 1-3 arguments:
+# 1: the git command to execute, this is also the cache key
+# 2: extra options to be added on top (e.g. negative forms)
+# 3: options to be excluded
+__gitcomp_builtin ()
+{
+       # spaces must be replaced with underscore for multi-word
+       # commands, e.g. "git remote add" becomes remote_add.
+       local cmd="$1"
+       local incl="$2"
+       local excl="$3"
+
+       local var=__gitcomp_builtin_"${cmd/-/_}"
+       local options
+       eval "options=\$$var"
+
+       if [ -z "$options" ]; then
+               # leading and trailing spaces are significant to make
+               # option removal work correctly.
+               options=" $incl $(__git ${cmd/_/ } --git-completion-helper) " || return
+
+               for i in $excl; do
+                       options="${options/ $i / }"
+               done
+               eval "$var=\"$options\""
+       fi
+
+       __gitcomp "$options"
+}
+
 # Variation of __gitcomp_nl () that appends to the existing list of
 # completion candidates, COMPREPLY.
 __gitcomp_nl_append ()
@@ -253,6 +434,24 @@ __gitcomp_nl ()
        __gitcomp_nl_append "$@"
 }
 
+# Fills the COMPREPLY array with prefiltered paths without any additional
+# processing.
+# Callers must take care of providing only paths that match the current path
+# to be completed and adding any prefix path components, if necessary.
+# 1: List of newline-separated matching paths, complete with all prefix
+#    path components.
+__gitcomp_file_direct ()
+{
+       local IFS=$'\n'
+
+       COMPREPLY=($1)
+
+       # use a hack to enable file mode in bash < 4
+       compopt -o filenames +o nospace 2>/dev/null ||
+       compgen -f /non-existing-dir/ >/dev/null ||
+       true
+}
+
 # Generates completion reply with compgen from newline-separated possible
 # completion filenames.
 # It accepts 1 to 3 arguments:
@@ -272,7 +471,8 @@ __gitcomp_file ()
 
        # use a hack to enable file mode in bash < 4
        compopt -o filenames +o nospace 2>/dev/null ||
-       compgen -f /non-existing-dir/ > /dev/null
+       compgen -f /non-existing-dir/ >/dev/null ||
+       true
 }
 
 # Execute 'git ls-files', unless the --committable option is specified, in
@@ -282,11 +482,13 @@ __gitcomp_file ()
 __git_ls_files_helper ()
 {
        if [ "$2" == "--committable" ]; then
-               git -C "$1" diff-index --name-only --relative HEAD
+               __git -C "$1" -c core.quotePath=false diff-index \
+                       --name-only --relative HEAD -- "${3//\\/\\\\}*"
        else
                # NOTE: $2 is not quoted in order to support multiple options
-               git -C "$1" ls-files --exclude-standard $2
-       fi 2>/dev/null
+               __git -C "$1" -c core.quotePath=false ls-files \
+                       --exclude-standard $2 -- "${3//\\/\\\\}*"
+       fi
 }
 
 
@@ -296,101 +498,283 @@ __git_ls_files_helper ()
 #    If provided, only files within the specified directory are listed.
 #    Sub directories are never recursed.  Path must have a trailing
 #    slash.
+# 3: List only paths matching this path component (optional).
 __git_index_files ()
 {
-       local dir="$(__gitdir)" root="${2-.}" file
+       local root="$2" match="$3"
 
-       if [ -d "$dir" ]; then
-               __git_ls_files_helper "$root" "$1" |
-               while read -r file; do
-                       case "$file" in
-                       ?*/*) echo "${file%%/*}" ;;
-                       *) echo "$file" ;;
-                       esac
-               done | sort | uniq
-       fi
+       __git_ls_files_helper "$root" "$1" "$match" |
+       awk -F / -v pfx="${2//\\/\\\\}" '{
+               paths[$1] = 1
+       }
+       END {
+               for (p in paths) {
+                       if (substr(p, 1, 1) != "\"") {
+                               # No special characters, easy!
+                               print pfx p
+                               continue
+                       }
+
+                       # The path is quoted.
+                       p = dequote(p)
+                       if (p == "")
+                               continue
+
+                       # Even when a directory name itself does not contain
+                       # any special characters, it will still be quoted if
+                       # any of its (stripped) trailing path components do.
+                       # Because of this we may have seen the same direcory
+                       # both quoted and unquoted.
+                       if (p in paths)
+                               # We have seen the same directory unquoted,
+                               # skip it.
+                               continue
+                       else
+                               print pfx p
+               }
+       }
+       function dequote(p,    bs_idx, out, esc, esc_idx, dec) {
+               # Skip opening double quote.
+               p = substr(p, 2)
+
+               # Interpret backslash escape sequences.
+               while ((bs_idx = index(p, "\\")) != 0) {
+                       out = out substr(p, 1, bs_idx - 1)
+                       esc = substr(p, bs_idx + 1, 1)
+                       p = substr(p, bs_idx + 2)
+
+                       if ((esc_idx = index("abtvfr\"\\", esc)) != 0) {
+                               # C-style one-character escape sequence.
+                               out = out substr("\a\b\t\v\f\r\"\\",
+                                                esc_idx, 1)
+                       } else if (esc == "n") {
+                               # Uh-oh, a newline character.
+                               # We cant reliably put a pathname
+                               # containing a newline into COMPREPLY,
+                               # and the newline would create a mess.
+                               # Skip this path.
+                               return ""
+                       } else {
+                               # Must be a \nnn octal value, then.
+                               dec = esc             * 64 + \
+                                     substr(p, 1, 1) * 8  + \
+                                     substr(p, 2, 1)
+                               out = out sprintf("%c", dec)
+                               p = substr(p, 3)
+                       }
+               }
+               # Drop closing double quote, if there is one.
+               # (There isnt any if this is a directory, as it was
+               # already stripped with the trailing path components.)
+               if (substr(p, length(p), 1) == "\"")
+                       out = out substr(p, 1, length(p) - 1)
+               else
+                       out = out p
+
+               return out
+       }'
+}
+
+# __git_complete_index_file requires 1 argument:
+# 1: the options to pass to ls-file
+#
+# The exception is --committable, which finds the files appropriate commit.
+__git_complete_index_file ()
+{
+       local dequoted_word pfx="" cur_
+
+       __git_dequote "$cur"
+
+       case "$dequoted_word" in
+       ?*/*)
+               pfx="${dequoted_word%/*}/"
+               cur_="${dequoted_word##*/}"
+               ;;
+       *)
+               cur_="$dequoted_word"
+       esac
+
+       __gitcomp_file_direct "$(__git_index_files "$1" "$pfx" "$cur_")"
 }
 
+# Lists branches from the local repository.
+# 1: A prefix to be added to each listed branch (optional).
+# 2: List only branches matching this word (optional; list all branches if
+#    unset or empty).
+# 3: A suffix to be appended to each listed branch (optional).
 __git_heads ()
 {
-       local dir="$(__gitdir)"
-       if [ -d "$dir" ]; then
-               git --git-dir="$dir" for-each-ref --format='%(refname:short)' \
-                       refs/heads
-               return
-       fi
+       local pfx="${1-}" cur_="${2-}" sfx="${3-}"
+
+       __git for-each-ref --format="${pfx//\%/%%}%(refname:strip=2)$sfx" \
+                       "refs/heads/$cur_*" "refs/heads/$cur_*/**"
 }
 
+# Lists tags from the local repository.
+# Accepts the same positional parameters as __git_heads() above.
 __git_tags ()
 {
-       local dir="$(__gitdir)"
-       if [ -d "$dir" ]; then
-               git --git-dir="$dir" for-each-ref --format='%(refname:short)' \
-                       refs/tags
-               return
-       fi
+       local pfx="${1-}" cur_="${2-}" sfx="${3-}"
+
+       __git for-each-ref --format="${pfx//\%/%%}%(refname:strip=2)$sfx" \
+                       "refs/tags/$cur_*" "refs/tags/$cur_*/**"
 }
 
-# __git_refs accepts 0, 1 (to pass to __gitdir), or 2 arguments
-# presence of 2nd argument means use the guess heuristic employed
-# by checkout for tracking branches
+# Lists refs from the local (by default) or from a remote repository.
+# It accepts 0, 1 or 2 arguments:
+# 1: The remote to list refs from (optional; ignored, if set but empty).
+#    Can be the name of a configured remote, a path, or a URL.
+# 2: In addition to local refs, list unique branches from refs/remotes/ for
+#    'git checkout's tracking DWIMery (optional; ignored, if set but empty).
+# 3: A prefix to be added to each listed ref (optional).
+# 4: List only refs matching this word (optional; list all refs if unset or
+#    empty).
+# 5: A suffix to be appended to each listed ref (optional; ignored, if set
+#    but empty).
+#
+# Use __git_complete_refs() instead.
 __git_refs ()
 {
-       local i hash dir="$(__gitdir "${1-}")" track="${2-}"
+       local i hash dir track="${2-}"
+       local list_refs_from=path remote="${1-}"
        local format refs
-       if [ -d "$dir" ]; then
-               case "$cur" in
+       local pfx="${3-}" cur_="${4-$cur}" sfx="${5-}"
+       local match="${4-}"
+       local fer_pfx="${pfx//\%/%%}" # "escape" for-each-ref format specifiers
+
+       __git_find_repo_path
+       dir="$__git_repo_path"
+
+       if [ -z "$remote" ]; then
+               if [ -z "$dir" ]; then
+                       return
+               fi
+       else
+               if __git_is_configured_remote "$remote"; then
+                       # configured remote takes precedence over a
+                       # local directory with the same name
+                       list_refs_from=remote
+               elif [ -d "$remote/.git" ]; then
+                       dir="$remote/.git"
+               elif [ -d "$remote" ]; then
+                       dir="$remote"
+               else
+                       list_refs_from=url
+               fi
+       fi
+
+       if [ "$list_refs_from" = path ]; then
+               if [[ "$cur_" == ^* ]]; then
+                       pfx="$pfx^"
+                       fer_pfx="$fer_pfx^"
+                       cur_=${cur_#^}
+                       match=${match#^}
+               fi
+               case "$cur_" in
                refs|refs/*)
                        format="refname"
-                       refs="${cur%/*}"
+                       refs=("$match*" "$match*/**")
                        track=""
                        ;;
                *)
-                       for i in HEAD FETCH_HEAD ORIG_HEAD MERGE_HEAD; do
-                               if [ -e "$dir/$i" ]; then echo $i; fi
+                       for i in HEAD FETCH_HEAD ORIG_HEAD MERGE_HEAD REBASE_HEAD; do
+                               case "$i" in
+                               $match*)
+                                       if [ -e "$dir/$i" ]; then
+                                               echo "$pfx$i$sfx"
+                                       fi
+                                       ;;
+                               esac
                        done
-                       format="refname:short"
-                       refs="refs/tags refs/heads refs/remotes"
+                       format="refname:strip=2"
+                       refs=("refs/tags/$match*" "refs/tags/$match*/**"
+                               "refs/heads/$match*" "refs/heads/$match*/**"
+                               "refs/remotes/$match*" "refs/remotes/$match*/**")
                        ;;
                esac
-               git --git-dir="$dir" for-each-ref --format="%($format)" \
-                       $refs
+               __git_dir="$dir" __git for-each-ref --format="$fer_pfx%($format)$sfx" \
+                       "${refs[@]}"
                if [ -n "$track" ]; then
                        # employ the heuristic used by git checkout
                        # Try to find a remote branch that matches the completion word
                        # but only output if the branch name is unique
-                       local ref entry
-                       git --git-dir="$dir" for-each-ref --shell --format="ref=%(refname:short)" \
-                               "refs/remotes/" | \
-                       while read -r entry; do
-                               eval "$entry"
-                               ref="${ref#*/}"
-                               if [[ "$ref" == "$cur"* ]]; then
-                                       echo "$ref"
-                               fi
-                       done | sort | uniq -u
+                       __git for-each-ref --format="$fer_pfx%(refname:strip=3)$sfx" \
+                               --sort="refname:strip=3" \
+                               "refs/remotes/*/$match*" "refs/remotes/*/$match*/**" | \
+                       uniq -u
                fi
                return
        fi
-       case "$cur" in
+       case "$cur_" in
        refs|refs/*)
-               git ls-remote "$dir" "$cur*" 2>/dev/null | \
+               __git ls-remote "$remote" "$match*" | \
                while read -r hash i; do
                        case "$i" in
                        *^{}) ;;
-                       *) echo "$i" ;;
+                       *) echo "$pfx$i$sfx" ;;
                        esac
                done
                ;;
        *)
-               echo "HEAD"
-               git for-each-ref --format="%(refname:short)" -- \
-                       "refs/remotes/$dir/" 2>/dev/null | sed -e "s#^$dir/##"
+               if [ "$list_refs_from" = remote ]; then
+                       case "HEAD" in
+                       $match*)        echo "${pfx}HEAD$sfx" ;;
+                       esac
+                       __git for-each-ref --format="$fer_pfx%(refname:strip=3)$sfx" \
+                               "refs/remotes/$remote/$match*" \
+                               "refs/remotes/$remote/$match*/**"
+               else
+                       local query_symref
+                       case "HEAD" in
+                       $match*)        query_symref="HEAD" ;;
+                       esac
+                       __git ls-remote "$remote" $query_symref \
+                               "refs/tags/$match*" "refs/heads/$match*" \
+                               "refs/remotes/$match*" |
+                       while read -r hash i; do
+                               case "$i" in
+                               *^{})   ;;
+                               refs/*) echo "$pfx${i#refs/*/}$sfx" ;;
+                               *)      echo "$pfx$i$sfx" ;;  # symbolic refs
+                               esac
+                       done
+               fi
                ;;
        esac
 }
 
+# Completes refs, short and long, local and remote, symbolic and pseudo.
+#
+# Usage: __git_complete_refs [<option>]...
+# --remote=<remote>: The remote to list refs from, can be the name of a
+#                    configured remote, a path, or a URL.
+# --track: List unique remote branches for 'git checkout's tracking DWIMery.
+# --pfx=<prefix>: A prefix to be added to each ref.
+# --cur=<word>: The current ref to be completed.  Defaults to the current
+#               word to be completed.
+# --sfx=<suffix>: A suffix to be appended to each ref instead of the default
+#                 space.
+__git_complete_refs ()
+{
+       local remote track pfx cur_="$cur" sfx=" "
+
+       while test $# != 0; do
+               case "$1" in
+               --remote=*)     remote="${1##--remote=}" ;;
+               --track)        track="yes" ;;
+               --pfx=*)        pfx="${1##--pfx=}" ;;
+               --cur=*)        cur_="${1##--cur=}" ;;
+               --sfx=*)        sfx="${1##--sfx=}" ;;
+               *)              return 1 ;;
+               esac
+               shift
+       done
+
+       __gitcomp_direct "$(__git_refs "$remote" "$track" "$pfx" "$cur_" "$sfx")"
+}
+
 # __git_refs2 requires 1 argument (to pass to __git_refs)
+# Deprecated: use __git_complete_fetch_refspecs() instead.
 __git_refs2 ()
 {
        local i
@@ -399,11 +783,29 @@ __git_refs2 ()
        done
 }
 
+# Completes refspecs for fetching from a remote repository.
+# 1: The remote repository.
+# 2: A prefix to be added to each listed refspec (optional).
+# 3: The ref to be completed as a refspec instead of the current word to be
+#    completed (optional)
+# 4: A suffix to be appended to each listed refspec instead of the default
+#    space (optional).
+__git_complete_fetch_refspecs ()
+{
+       local i remote="$1" pfx="${2-}" cur_="${3-$cur}" sfx="${4- }"
+
+       __gitcomp_direct "$(
+               for i in $(__git_refs "$remote" "" "" "$cur_") ; do
+                       echo "$pfx$i:$i$sfx"
+               done
+               )"
+}
+
 # __git_refs_remotes requires 1 argument (to pass to ls-remote)
 __git_refs_remotes ()
 {
        local i hash
-       git ls-remote "$1" 'refs/heads/*' 2>/dev/null | \
+       __git ls-remote "$1" 'refs/heads/*' | \
        while read -r hash i; do
                echo "$i:refs/remotes/$1/${i#refs/heads/}"
        done
@@ -411,17 +813,26 @@ __git_refs_remotes ()
 
 __git_remotes ()
 {
-       local i IFS=$'\n' d="$(__gitdir)"
-       test -d "$d/remotes" && ls -1 "$d/remotes"
-       for i in $(git --git-dir="$d" config --get-regexp 'remote\..*\.url' 2>/dev/null); do
-               i="${i#remote.}"
-               echo "${i/.url*/}"
+       __git_find_repo_path
+       test -d "$__git_repo_path/remotes" && ls -1 "$__git_repo_path/remotes"
+       __git remote
+}
+
+# Returns true if $1 matches the name of a configured remote, false otherwise.
+__git_is_configured_remote ()
+{
+       local remote
+       for remote in $(__git_remotes); do
+               if [ "$remote" = "$1" ]; then
+                       return 0
+               fi
        done
+       return 1
 }
 
 __git_list_merge_strategies ()
 {
-       git merge -s help 2>&1 |
+       LANG=C LC_ALL=C git merge -s help 2>&1 |
        sed -n -e '/[Aa]vailable strategies are: /,/^$/{
                s/\.$//
                s/.*://
@@ -443,9 +854,14 @@ __git_compute_merge_strategies ()
        __git_merge_strategies=$(__git_list_merge_strategies)
 }
 
+__git_merge_strategy_options="ours theirs subtree subtree= patience
+       histogram diff-algorithm= ignore-space-change ignore-all-space
+       ignore-space-at-eol renormalize no-renormalize no-renames
+       find-renames find-renames= rename-threshold="
+
 __git_complete_revlist_file ()
 {
-       local pfx ls ref cur_="$cur"
+       local dequoted_word pfx ls ref cur_="$cur"
        case "$cur_" in
        *..?*:*)
                return
@@ -453,14 +869,18 @@ __git_complete_revlist_file ()
        ?*:*)
                ref="${cur_%%:*}"
                cur_="${cur_#*:}"
-               case "$cur_" in
+
+               __git_dequote "$cur_"
+
+               case "$dequoted_word" in
                ?*/*)
-                       pfx="${cur_%/*}"
-                       cur_="${cur_##*/}"
+                       pfx="${dequoted_word%/*}"
+                       cur_="${dequoted_word##*/}"
                        ls="$ref:$pfx"
                        pfx="$pfx/"
                        ;;
                *)
+                       cur_="$dequoted_word"
                        ls="$ref"
                        ;;
                esac
@@ -470,56 +890,25 @@ __git_complete_revlist_file ()
                *)   pfx="$ref:$pfx" ;;
                esac
 
-               __gitcomp_nl "$(git --git-dir="$(__gitdir)" ls-tree "$ls" 2>/dev/null \
-                               | sed '/^100... blob /{
-                                          s,^.*        ,,
-                                          s,$, ,
-                                      }
-                                      /^120000 blob /{
-                                          s,^.*        ,,
-                                          s,$, ,
-                                      }
-                                      /^040000 tree /{
-                                          s,^.*        ,,
-                                          s,$,/,
-                                      }
-                                      s/^.*    //')" \
-                       "$pfx" "$cur_" ""
+               __gitcomp_file "$(__git ls-tree "$ls" \
+                               | sed 's/^.*    //
+                                      s/$//')" \
+                       "$pfx" "$cur_"
                ;;
        *...*)
                pfx="${cur_%...*}..."
                cur_="${cur_#*...}"
-               __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
+               __git_complete_refs --pfx="$pfx" --cur="$cur_"
                ;;
        *..*)
                pfx="${cur_%..*}.."
                cur_="${cur_#*..}"
-               __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
+               __git_complete_refs --pfx="$pfx" --cur="$cur_"
                ;;
        *)
-               __gitcomp_nl "$(__git_refs)"
-               ;;
-       esac
-}
-
-
-# __git_complete_index_file requires 1 argument:
-# 1: the options to pass to ls-file
-#
-# The exception is --committable, which finds the files appropriate commit.
-__git_complete_index_file ()
-{
-       local pfx="" cur_="$cur"
-
-       case "$cur_" in
-       ?*/*)
-               pfx="${cur_%/*}"
-               cur_="${cur_##*/}"
-               pfx="${pfx}/"
+               __git_complete_refs
                ;;
        esac
-
-       __gitcomp_file "$(__git_index_files "$1" ${pfx:+"$pfx"})" "$pfx" "$cur_"
 }
 
 __git_complete_file ()
@@ -543,6 +932,7 @@ __git_complete_remote_or_refspec ()
                i="${words[c]}"
                case "$i" in
                --mirror) [ "$cmd" = "push" ] && no_complete_refspec=1 ;;
+               -d|--delete) [ "$cmd" = "push" ] && lhs=0 ;;
                --all)
                        case "$cmd" in
                        push) no_complete_refspec=1 ;;
@@ -552,6 +942,7 @@ __git_complete_remote_or_refspec ()
                        *) ;;
                        esac
                        ;;
+               --multiple) no_complete_refspec=1; break ;;
                -*) ;;
                *) remote="$i"; break ;;
                esac
@@ -582,23 +973,23 @@ __git_complete_remote_or_refspec ()
        case "$cmd" in
        fetch)
                if [ $lhs = 1 ]; then
-                       __gitcomp_nl "$(__git_refs2 "$remote")" "$pfx" "$cur_"
+                       __git_complete_fetch_refspecs "$remote" "$pfx" "$cur_"
                else
-                       __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
+                       __git_complete_refs --pfx="$pfx" --cur="$cur_"
                fi
                ;;
        pull|remote)
                if [ $lhs = 1 ]; then
-                       __gitcomp_nl "$(__git_refs "$remote")" "$pfx" "$cur_"
+                       __git_complete_refs --remote="$remote" --pfx="$pfx" --cur="$cur_"
                else
-                       __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
+                       __git_complete_refs --pfx="$pfx" --cur="$cur_"
                fi
                ;;
        push)
                if [ $lhs = 1 ]; then
-                       __gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
+                       __git_complete_refs --pfx="$pfx" --cur="$cur_"
                else
-                       __gitcomp_nl "$(__git_refs "$remote")" "$pfx" "$cur_"
+                       __git_complete_refs --remote="$remote" --pfx="$pfx" --cur="$cur_"
                fi
                ;;
        esac
@@ -611,169 +1002,51 @@ __git_complete_strategy ()
        -s|--strategy)
                __gitcomp "$__git_merge_strategies"
                return 0
+               ;;
+       -X)
+               __gitcomp "$__git_merge_strategy_options"
+               return 0
+               ;;
        esac
        case "$cur" in
        --strategy=*)
                __gitcomp "$__git_merge_strategies" "" "${cur##--strategy=}"
                return 0
                ;;
+       --strategy-option=*)
+               __gitcomp "$__git_merge_strategy_options" "" "${cur##--strategy-option=}"
+               return 0
+               ;;
        esac
        return 1
 }
 
-__git_commands () {
-       if test -n "${GIT_TESTING_COMMAND_COMPLETION:-}"
-       then
-               printf "%s" "${GIT_TESTING_COMMAND_COMPLETION}"
-       else
-               git help -a|egrep '^  [a-zA-Z0-9]'
-       fi
-}
-
-__git_list_all_commands ()
-{
-       local i IFS=" "$'\n'
-       for i in $(__git_commands)
-       do
-               case $i in
-               *--*)             : helper pattern;;
-               *) echo $i;;
-               esac
-       done
-}
-
 __git_all_commands=
 __git_compute_all_commands ()
 {
        test -n "$__git_all_commands" ||
-       __git_all_commands=$(__git_list_all_commands)
-}
-
-__git_list_porcelain_commands ()
-{
-       local i IFS=" "$'\n'
-       __git_compute_all_commands
-       for i in $__git_all_commands
-       do
-               case $i in
-               *--*)             : helper pattern;;
-               applymbox)        : ask gittus;;
-               applypatch)       : ask gittus;;
-               archimport)       : import;;
-               cat-file)         : plumbing;;
-               check-attr)       : plumbing;;
-               check-ignore)     : plumbing;;
-               check-mailmap)    : plumbing;;
-               check-ref-format) : plumbing;;
-               checkout-index)   : plumbing;;
-               commit-tree)      : plumbing;;
-               count-objects)    : infrequent;;
-               credential-cache) : credentials helper;;
-               credential-store) : credentials helper;;
-               cvsexportcommit)  : export;;
-               cvsimport)        : import;;
-               cvsserver)        : daemon;;
-               daemon)           : daemon;;
-               diff-files)       : plumbing;;
-               diff-index)       : plumbing;;
-               diff-tree)        : plumbing;;
-               fast-import)      : import;;
-               fast-export)      : export;;
-               fsck-objects)     : plumbing;;
-               fetch-pack)       : plumbing;;
-               fmt-merge-msg)    : plumbing;;
-               for-each-ref)     : plumbing;;
-               hash-object)      : plumbing;;
-               http-*)           : transport;;
-               index-pack)       : plumbing;;
-               init-db)          : deprecated;;
-               local-fetch)      : plumbing;;
-               ls-files)         : plumbing;;
-               ls-remote)        : plumbing;;
-               ls-tree)          : plumbing;;
-               mailinfo)         : plumbing;;
-               mailsplit)        : plumbing;;
-               merge-*)          : plumbing;;
-               mktree)           : plumbing;;
-               mktag)            : plumbing;;
-               pack-objects)     : plumbing;;
-               pack-redundant)   : plumbing;;
-               pack-refs)        : plumbing;;
-               parse-remote)     : plumbing;;
-               patch-id)         : plumbing;;
-               prune)            : plumbing;;
-               prune-packed)     : plumbing;;
-               quiltimport)      : import;;
-               read-tree)        : plumbing;;
-               receive-pack)     : plumbing;;
-               remote-*)         : transport;;
-               rerere)           : plumbing;;
-               rev-list)         : plumbing;;
-               rev-parse)        : plumbing;;
-               runstatus)        : plumbing;;
-               sh-setup)         : internal;;
-               shell)            : daemon;;
-               show-ref)         : plumbing;;
-               send-pack)        : plumbing;;
-               show-index)       : plumbing;;
-               ssh-*)            : transport;;
-               stripspace)       : plumbing;;
-               symbolic-ref)     : plumbing;;
-               unpack-file)      : plumbing;;
-               unpack-objects)   : plumbing;;
-               update-index)     : plumbing;;
-               update-ref)       : plumbing;;
-               update-server-info) : daemon;;
-               upload-archive)   : plumbing;;
-               upload-pack)      : plumbing;;
-               write-tree)       : plumbing;;
-               var)              : infrequent;;
-               verify-pack)      : infrequent;;
-               verify-tag)       : plumbing;;
-               *) echo $i;;
-               esac
-       done
-}
-
-__git_porcelain_commands=
-__git_compute_porcelain_commands ()
-{
-       __git_compute_all_commands
-       test -n "$__git_porcelain_commands" ||
-       __git_porcelain_commands=$(__git_list_porcelain_commands)
+       __git_all_commands=$(__git --list-cmds=main,others,alias,nohelpers)
 }
 
-__git_pretty_aliases ()
+# Lists all set config variables starting with the given section prefix,
+# with the prefix removed.
+__git_get_config_variables ()
 {
-       local i IFS=$'\n'
-       for i in $(git --git-dir="$(__gitdir)" config --get-regexp "pretty\..*" 2>/dev/null); do
-               case "$i" in
-               pretty.*)
-                       i="${i#pretty.}"
-                       echo "${i/ */}"
-                       ;;
-               esac
+       local section="$1" i IFS=$'\n'
+       for i in $(__git config --name-only --get-regexp "^$section\..*"); do
+               echo "${i#$section.}"
        done
 }
 
-__git_aliases ()
+__git_pretty_aliases ()
 {
-       local i IFS=$'\n'
-       for i in $(git --git-dir="$(__gitdir)" config --get-regexp "alias\..*" 2>/dev/null); do
-               case "$i" in
-               alias.*)
-                       i="${i#alias.}"
-                       echo "${i/ */}"
-                       ;;
-               esac
-       done
+       __git_get_config_variables "pretty"
 }
 
 # __git_aliased_command requires 1 argument
 __git_aliased_command ()
 {
-       local word cmdline=$(git --git-dir="$(__gitdir)" \
-               config --get "alias.$1")
+       local word cmdline=$(__git config --get "alias.$1")
        for word in $cmdline; do
                case "$word" in
                \!gitk|gitk)
@@ -811,6 +1084,50 @@ __git_find_on_cmdline ()
        done
 }
 
+# Echo the value of an option set on the command line or config
+#
+# $1: short option name
+# $2: long option name including =
+# $3: list of possible values
+# $4: config string (optional)
+#
+# example:
+# result="$(__git_get_option_value "-d" "--do-something=" \
+#     "yes no" "core.doSomething")"
+#
+# result is then either empty (no option set) or "yes" or "no"
+#
+# __git_get_option_value requires 3 arguments
+__git_get_option_value ()
+{
+       local c short_opt long_opt val
+       local result= values config_key word
+
+       short_opt="$1"
+       long_opt="$2"
+       values="$3"
+       config_key="$4"
+
+       ((c = $cword - 1))
+       while [ $c -ge 0 ]; do
+               word="${words[c]}"
+               for val in $values; do
+                       if [ "$short_opt$val" = "$word" ] ||
+                          [ "$long_opt$val"  = "$word" ]; then
+                               result="$val"
+                               break 2
+                       fi
+               done
+               ((c--))
+       done
+
+       if [ -n "$config_key" ] && [ -z "$result" ]; then
+               result="$(__git config "$config_key")"
+       fi
+
+       echo "$result"
+}
+
 __git_has_doubledash ()
 {
        local c=1
@@ -861,12 +1178,14 @@ __git_count_arguments ()
 }
 
 __git_whitespacelist="nowarn warn error error-all fix"
+__git_patchformat="mbox stgit stgit-series hg mboxrd"
+__git_am_inprogress_options="--skip --continue --resolved --abort --quit --show-current-patch"
 
 _git_am ()
 {
-       local dir="$(__gitdir)"
-       if [ -d "$dir"/rebase-apply ]; then
-               __gitcomp "--skip --continue --resolved --abort"
+       __git_find_repo_path
+       if [ -d "$__git_repo_path"/rebase-apply ]; then
+               __gitcomp "$__git_am_inprogress_options"
                return
        fi
        case "$cur" in
@@ -874,13 +1193,13 @@ _git_am ()
                __gitcomp "$__git_whitespacelist" "" "${cur##--whitespace=}"
                return
                ;;
+       --patch-format=*)
+               __gitcomp "$__git_patchformat" "" "${cur##--patch-format=}"
+               return
+               ;;
        --*)
-               __gitcomp "
-                       --3way --committer-date-is-author-date --ignore-date
-                       --ignore-whitespace --ignore-space-change
-                       --interactive --keep --no-utf8 --signoff --utf8
-                       --whitespace= --scissors
-                       "
+               __gitcomp_builtin am "" \
+                       "$__git_am_inprogress_options"
                return
        esac
 }
@@ -893,13 +1212,7 @@ _git_apply ()
                return
                ;;
        --*)
-               __gitcomp "
-                       --stat --numstat --summary --check --index
-                       --cached --index-info --reverse --reject --unidiff-zero
-                       --apply --no-add --exclude=
-                       --ignore-whitespace --ignore-space-change
-                       --whitespace= --inaccurate-eof --verbose
-                       "
+               __gitcomp_builtin apply
                return
        esac
 }
@@ -907,16 +1220,21 @@ _git_apply ()
 _git_add ()
 {
        case "$cur" in
+       --chmod=*)
+               __gitcomp "+x -x" "" "${cur##--chmod=}"
+               return
+               ;;
        --*)
-               __gitcomp "
-                       --interactive --refresh --patch --update --dry-run
-                       --ignore-errors --intent-to-add
-                       "
+               __gitcomp_builtin add
                return
        esac
 
-       # XXX should we check for --update and --all options ?
-       __git_complete_index_file "--others --modified --directory --no-empty-directory"
+       local complete_opt="--others --modified --directory --no-empty-directory"
+       if test -n "$(__git_find_on_cmdline "-u --update")"
+       then
+               complete_opt="--modified"
+       fi
+       __git_complete_index_file "$complete_opt"
 }
 
 _git_archive ()
@@ -933,7 +1251,7 @@ _git_archive ()
        --*)
                __gitcomp "
                        --format= --list --verbose
-                       --prefix= --remote= --exec=
+                       --prefix= --remote= --exec= --output
                        "
                return
                ;;
@@ -948,7 +1266,8 @@ _git_bisect ()
        local subcommands="start bad good skip reset visualize replay log run"
        local subcommand="$(__git_find_on_cmdline "$subcommands")"
        if [ -z "$subcommand" ]; then
-               if [ -f "$(__gitdir)"/BISECT_START ]; then
+               __git_find_repo_path
+               if [ -f "$__git_repo_path"/BISECT_START ]; then
                        __gitcomp "$subcommands"
                else
                        __gitcomp "replay start"
@@ -958,13 +1277,15 @@ _git_bisect ()
 
        case "$subcommand" in
        bad|good|reset|skip|start)
-               __gitcomp_nl "$(__git_refs)"
+               __git_complete_refs
                ;;
        *)
                ;;
        esac
 }
 
+__git_ref_fieldlist="refname objecttype objectsize objectname upstream push HEAD symref"
+
 _git_branch ()
 {
        local i c=1 only_local_ref="n" has_r="n"
@@ -972,29 +1293,24 @@ _git_branch ()
        while [ $c -lt $cword ]; do
                i="${words[c]}"
                case "$i" in
-               -d|-m)  only_local_ref="y" ;;
-               -r)     has_r="y" ;;
+               -d|--delete|-m|--move)  only_local_ref="y" ;;
+               -r|--remotes)           has_r="y" ;;
                esac
                ((c++))
        done
 
        case "$cur" in
        --set-upstream-to=*)
-               __gitcomp "$(__git_refs)" "" "${cur##--set-upstream-to=}"
+               __git_complete_refs --cur="${cur##--set-upstream-to=}"
                ;;
        --*)
-               __gitcomp "
-                       --color --no-color --verbose --abbrev= --no-abbrev
-                       --track --no-track --contains --merged --no-merged
-                       --set-upstream-to= --edit-description --list
-                       --unset-upstream
-                       "
+               __gitcomp_builtin branch
                ;;
        *)
                if [ $only_local_ref = "y" -a $has_r = "n" ]; then
-                       __gitcomp_nl "$(__git_heads)"
+                       __gitcomp_direct "$(__git_heads "" "$cur" " ")"
                else
-                       __gitcomp_nl "$(__git_refs)"
+                       __git_complete_refs
                fi
                ;;
        esac
@@ -1029,41 +1345,40 @@ _git_checkout ()
                __gitcomp "diff3 merge" "" "${cur##--conflict=}"
                ;;
        --*)
-               __gitcomp "
-                       --quiet --ours --theirs --track --no-track --merge
-                       --conflict= --orphan --patch
-                       "
+               __gitcomp_builtin checkout
                ;;
        *)
                # check if --track, --no-track, or --no-guess was specified
                # if so, disable DWIM mode
-               local flags="--track --no-track --no-guess" track=1
-               if [ -n "$(__git_find_on_cmdline "$flags")" ]; then
-                       track=''
+               local flags="--track --no-track --no-guess" track_opt="--track"
+               if [ "$GIT_COMPLETION_CHECKOUT_NO_GUESS" = "1" ] ||
+                  [ -n "$(__git_find_on_cmdline "$flags")" ]; then
+                       track_opt=''
                fi
-               __gitcomp_nl "$(__git_refs '' $track)"
+               __git_complete_refs $track_opt
                ;;
        esac
 }
 
-_git_cherry ()
-{
-       __gitcomp "$(__git_refs)"
-}
+__git_cherry_pick_inprogress_options="--continue --quit --abort"
 
 _git_cherry_pick ()
 {
-       local dir="$(__gitdir)"
-       if [ -f "$dir"/CHERRY_PICK_HEAD ]; then
-               __gitcomp "--continue --quit --abort"
+       __git_find_repo_path
+       if [ -f "$__git_repo_path"/CHERRY_PICK_HEAD ]; then
+               __gitcomp "$__git_cherry_pick_inprogress_options"
                return
        fi
+
+       __git_complete_strategy && return
+
        case "$cur" in
        --*)
-               __gitcomp "--edit --no-commit --signoff --strategy= --mainline"
+               __gitcomp_builtin cherry-pick "" \
+                       "$__git_cherry_pick_inprogress_options"
                ;;
        *)
-               __gitcomp_nl "$(__git_refs)"
+               __git_complete_refs
                ;;
        esac
 }
@@ -1072,7 +1387,7 @@ _git_clean ()
 {
        case "$cur" in
        --*)
-               __gitcomp "--dry-run --quiet"
+               __gitcomp_builtin clean
                return
                ;;
        esac
@@ -1085,65 +1400,44 @@ _git_clone ()
 {
        case "$cur" in
        --*)
-               __gitcomp "
-                       --local
-                       --no-hardlinks
-                       --shared
-                       --reference
-                       --quiet
-                       --no-checkout
-                       --bare
-                       --mirror
-                       --origin
-                       --upload-pack
-                       --template=
-                       --depth
-                       --single-branch
-                       --branch
-                       "
+               __gitcomp_builtin clone
                return
                ;;
        esac
 }
 
+__git_untracked_file_modes="all no normal"
+
 _git_commit ()
 {
        case "$prev" in
        -c|-C)
-               __gitcomp_nl "$(__git_refs)" "" "${cur}"
+               __git_complete_refs
                return
                ;;
        esac
 
        case "$cur" in
        --cleanup=*)
-               __gitcomp "default strip verbatim whitespace
+               __gitcomp "default scissors strip verbatim whitespace
                        " "" "${cur##--cleanup=}"
                return
                ;;
        --reuse-message=*|--reedit-message=*|\
        --fixup=*|--squash=*)
-               __gitcomp_nl "$(__git_refs)" "" "${cur#*=}"
+               __git_complete_refs --cur="${cur#*=}"
                return
                ;;
        --untracked-files=*)
-               __gitcomp "all no normal" "" "${cur##--untracked-files=}"
+               __gitcomp "$__git_untracked_file_modes" "" "${cur##--untracked-files=}"
                return
                ;;
        --*)
-               __gitcomp "
-                       --all --author= --signoff --verify --no-verify
-                       --edit --no-edit
-                       --amend --include --only --interactive
-                       --dry-run --reuse-message= --reedit-message=
-                       --reset-author --file= --message= --template=
-                       --cleanup= --untracked-files --untracked-files=
-                       --verbose --quiet --fixup= --squash=
-                       "
+               __gitcomp_builtin commit
                return
        esac
 
-       if git rev-parse --verify --quiet HEAD >/dev/null; then
+       if __git rev-parse --verify --quiet HEAD >/dev/null; then
                __git_complete_index_file "--committable"
        else
                # This is the first commit
@@ -1155,32 +1449,32 @@ _git_describe ()
 {
        case "$cur" in
        --*)
-               __gitcomp "
-                       --all --tags --contains --abbrev= --candidates=
-                       --exact-match --debug --long --match --always
-                       "
+               __gitcomp_builtin describe
                return
        esac
-       __gitcomp_nl "$(__git_refs)"
+       __git_complete_refs
 }
 
 __git_diff_algorithms="myers minimal patience histogram"
 
+__git_diff_submodule_formats="diff log short"
+
 __git_diff_common_options="--stat --numstat --shortstat --summary
                        --patch-with-stat --name-only --name-status --color
                        --no-color --color-words --no-renames --check
                        --full-index --binary --abbrev --diff-filter=
-                       --find-copies-harder
+                       --find-copies-harder --ignore-cr-at-eol
                        --text --ignore-space-at-eol --ignore-space-change
                        --ignore-all-space --ignore-blank-lines --exit-code
                        --quiet --ext-diff --no-ext-diff
                        --no-prefix --src-prefix= --dst-prefix=
                        --inter-hunk-context=
                        --patience --histogram --minimal
-                       --raw --word-diff
+                       --raw --word-diff --word-diff-regex=
                        --dirstat --dirstat= --dirstat-by-file
                        --dirstat-by-file= --cumulative
                        --diff-algorithm=
+                       --submodule --submodule= --ignore-submodules
 "
 
 _git_diff ()
@@ -1192,6 +1486,10 @@ _git_diff ()
                __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
                return
                ;;
+       --submodule=*)
+               __gitcomp "$__git_diff_submodule_formats" "" "${cur##--submodule=}"
+               return
+               ;;
        --*)
                __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
                        --base --ours --theirs --no-index
@@ -1204,7 +1502,8 @@ _git_diff ()
 }
 
 __git_mergetools_common="diffuse diffmerge ecmerge emerge kdiff3 meld opendiff
-                       tkdiff vimdiff gvimdiff xxdiff araxis p4merge bc codecompare
+                       tkdiff vimdiff gvimdiff xxdiff araxis p4merge bc
+                       codecompare smerge
 "
 
 _git_difftool ()
@@ -1217,11 +1516,11 @@ _git_difftool ()
                return
                ;;
        --*)
-               __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
-                       --base --ours --theirs
-                       --no-renames --diff-filter= --find-copies-harder
-                       --relative --ignore-submodules
-                       --tool="
+               __gitcomp_builtin difftool "$__git_diff_common_options
+                                       --base --cached --ours --theirs
+                                       --pickaxe-all --pickaxe-regex
+                                       --relative --staged
+                                       "
                return
                ;;
        esac
@@ -1230,11 +1529,6 @@ _git_difftool ()
 
 __git_fetch_recurse_submodules="yes on-demand no"
 
-__git_fetch_options="
-       --quiet --verbose --append --upload-pack --force --keep --depth=
-       --tags --no-tags --all --prune --dry-run --recurse-submodules=
-"
-
 _git_fetch ()
 {
        case "$cur" in
@@ -1242,21 +1536,21 @@ _git_fetch ()
                __gitcomp "$__git_fetch_recurse_submodules" "" "${cur##--recurse-submodules=}"
                return
                ;;
+       --filter=*)
+               __gitcomp "blob:none blob:limit= sparse:oid=" "" "${cur##--filter=}"
+               return
+               ;;
        --*)
-               __gitcomp "$__git_fetch_options"
+               __gitcomp_builtin fetch
                return
                ;;
        esac
        __git_complete_remote_or_refspec
 }
 
-__git_format_patch_options="
-       --stdout --attach --no-attach --thread --thread= --no-thread
-       --numbered --start-number --numbered-files --keep-subject --signoff
-       --signature --no-signature --in-reply-to= --cc= --full-index --binary
-       --not --all --cover-letter --no-prefix --src-prefix= --dst-prefix=
-       --inline --suffix= --ignore-if-in-upstream --subject-prefix=
-       --output-directory --reroll-count --to= --quiet --notes
+__git_format_patch_extra_options="
+       --full-index --not --all --no-prefix --src-prefix=
+       --dst-prefix= --notes
 "
 
 _git_format_patch ()
@@ -1269,7 +1563,7 @@ _git_format_patch ()
                return
                ;;
        --*)
-               __gitcomp "$__git_format_patch_options"
+               __gitcomp_builtin format-patch "$__git_format_patch_extra_options"
                return
                ;;
        esac
@@ -1280,20 +1574,7 @@ _git_fsck ()
 {
        case "$cur" in
        --*)
-               __gitcomp "
-                       --tags --root --unreachable --cache --no-reflogs --full
-                       --strict --verbose --lost-found
-                       "
-               return
-               ;;
-       esac
-}
-
-_git_gc ()
-{
-       case "$cur" in
-       --*)
-               __gitcomp "--prune --aggressive"
+               __gitcomp_builtin fsck
                return
                ;;
        esac
@@ -1304,8 +1585,43 @@ _git_gitk ()
        _gitk
 }
 
-__git_match_ctag() {
-       awk "/^${1////\\/}/ { print \$1 }" "$2"
+# Lists matching symbol names from a tag (as in ctags) file.
+# 1: List symbol names matching this word.
+# 2: The tag file to list symbol names from.
+# 3: A prefix to be added to each listed symbol name (optional).
+# 4: A suffix to be appended to each listed symbol name (optional).
+__git_match_ctag () {
+       awk -v pfx="${3-}" -v sfx="${4-}" "
+               /^${1//\//\\/}/ { print pfx \$1 sfx }
+               " "$2"
+}
+
+# Complete symbol names from a tag file.
+# Usage: __git_complete_symbol [<option>]...
+# --tags=<file>: The tag file to list symbol names from instead of the
+#                default "tags".
+# --pfx=<prefix>: A prefix to be added to each symbol name.
+# --cur=<word>: The current symbol name to be completed.  Defaults to
+#               the current word to be completed.
+# --sfx=<suffix>: A suffix to be appended to each symbol name instead
+#                 of the default space.
+__git_complete_symbol () {
+       local tags=tags pfx="" cur_="${cur-}" sfx=" "
+
+       while test $# != 0; do
+               case "$1" in
+               --tags=*)       tags="${1##--tags=}" ;;
+               --pfx=*)        pfx="${1##--pfx=}" ;;
+               --cur=*)        cur_="${1##--cur=}" ;;
+               --sfx=*)        sfx="${1##--sfx=}" ;;
+               *)              return 1 ;;
+               esac
+               shift
+       done
+
+       if test -r "$tags"; then
+               __gitcomp_direct "$(__git_match_ctag "$cur_" "$tags" "$pfx" "$sfx")"
+       fi
 }
 
 _git_grep ()
@@ -1314,49 +1630,34 @@ _git_grep ()
 
        case "$cur" in
        --*)
-               __gitcomp "
-                       --cached
-                       --text --ignore-case --word-regexp --invert-match
-                       --full-name --line-number
-                       --extended-regexp --basic-regexp --fixed-strings
-                       --perl-regexp
-                       --files-with-matches --name-only
-                       --files-without-match
-                       --max-depth
-                       --count
-                       --and --or --not --all-match
-                       "
+               __gitcomp_builtin grep
                return
                ;;
        esac
 
        case "$cword,$prev" in
-       2,*|*,-*)
-               if test -r tags; then
-                       __gitcomp_nl "$(__git_match_ctag "$cur" tags)"
-                       return
-               fi
+       2,*|*,-*)
+               __git_complete_symbol && return
                ;;
        esac
 
-       __gitcomp_nl "$(__git_refs)"
+       __git_complete_refs
 }
 
 _git_help ()
 {
        case "$cur" in
        --*)
-               __gitcomp "--all --info --man --web"
+               __gitcomp_builtin help
                return
                ;;
        esac
-       __git_compute_all_commands
-       __gitcomp "$__git_all_commands $(__git_aliases)
-               attributes cli core-tutorial cvs-migration
-               diffcore gitk glossary hooks ignore modules
-               namespaces repository-layout tutorial tutorial-2
-               workflows
-               "
+       if test -n "$GIT_TESTING_ALL_COMMAND_LIST"
+       then
+               __gitcomp "$GIT_TESTING_ALL_COMMAND_LIST $(__git --list-cmds=alias,list-guide) gitk"
+       else
+               __gitcomp "$(__git --list-cmds=main,nohelpers,alias,list-guide) gitk"
+       fi
 }
 
 _git_init ()
@@ -1369,7 +1670,7 @@ _git_init ()
                return
                ;;
        --*)
-               __gitcomp "--quiet --bare --template= --shared --shared="
+               __gitcomp_builtin init
                return
                ;;
        esac
@@ -1379,13 +1680,7 @@ _git_ls_files ()
 {
        case "$cur" in
        --*)
-               __gitcomp "--cached --deleted --modified --others --ignored
-                       --stage --directory --no-empty-directory --unmerged
-                       --killed --exclude= --exclude-from=
-                       --exclude-per-directory= --exclude-standard
-                       --error-unmatch --with-tree= --full-name
-                       --abbrev --ignored --exclude-per-directory
-                       "
+               __gitcomp_builtin ls-files
                return
                ;;
        esac
@@ -1397,11 +1692,24 @@ _git_ls_files ()
 
 _git_ls_remote ()
 {
+       case "$cur" in
+       --*)
+               __gitcomp_builtin ls-remote
+               return
+               ;;
+       esac
        __gitcomp_nl "$(__git_remotes)"
 }
 
 _git_ls_tree ()
 {
+       case "$cur" in
+       --*)
+               __gitcomp_builtin ls-tree
+               return
+               ;;
+       esac
+
        __git_complete_file
 }
 
@@ -1425,21 +1733,34 @@ __git_log_gitk_options="
 # Options that go well for log and shortlog (not gitk)
 __git_log_shortlog_options="
        --author= --committer= --grep=
-       --all-match
+       --all-match --invert-grep
 "
 
-__git_log_pretty_formats="oneline short medium full fuller email raw format:"
-__git_log_date_formats="relative iso8601 rfc2822 short local default raw"
+__git_log_pretty_formats="oneline short medium full fuller email raw format: mboxrd"
+__git_log_date_formats="relative iso8601 iso8601-strict rfc2822 short local default raw unix format:"
 
 _git_log ()
 {
        __git_has_doubledash && return
+       __git_find_repo_path
 
-       local g="$(git rev-parse --git-dir 2>/dev/null)"
        local merge=""
-       if [ -f "$g/MERGE_HEAD" ]; then
+       if [ -f "$__git_repo_path/MERGE_HEAD" ]; then
                merge="--merge"
        fi
+       case "$prev,$cur" in
+       -L,:*:*)
+               return  # fall back to Bash filename completion
+               ;;
+       -L,:*)
+               __git_complete_symbol --cur="${cur#:}" --sfx=":"
+               return
+               ;;
+       -G,*|-S,*)
+               __git_complete_symbol
+               return
+               ;;
+       esac
        case "$cur" in
        --pretty=*|--format=*)
                __gitcomp "$__git_log_pretty_formats $(__git_pretty_aliases)
@@ -1451,7 +1772,15 @@ _git_log ()
                return
                ;;
        --decorate=*)
-               __gitcomp "long short" "" "${cur##--decorate=}"
+               __gitcomp "full short no" "" "${cur##--decorate=}"
+               return
+               ;;
+       --diff-algorithm=*)
+               __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
+               return
+               ;;
+       --submodule=*)
+               __gitcomp "$__git_diff_submodule_formats" "" "${cur##--submodule=}"
                return
                ;;
        --*)
@@ -1465,6 +1794,7 @@ _git_log ()
                        --relative-date --date=
                        --pretty= --format= --oneline
                        --show-signature
+                       --cherry-mark
                        --cherry-pick
                        --graph
                        --decorate --decorate=
@@ -1476,29 +1806,35 @@ _git_log ()
                        "
                return
                ;;
+       -L:*:*)
+               return  # fall back to Bash filename completion
+               ;;
+       -L:*)
+               __git_complete_symbol --cur="${cur#-L:}" --sfx=":"
+               return
+               ;;
+       -G*)
+               __git_complete_symbol --pfx="-G" --cur="${cur#-G}"
+               return
+               ;;
+       -S*)
+               __git_complete_symbol --pfx="-S" --cur="${cur#-S}"
+               return
+               ;;
        esac
        __git_complete_revlist
 }
 
-# Common merge options shared by git-merge(1) and git-pull(1).
-__git_merge_options="
-       --no-commit --no-stat --log --no-log --squash --strategy
-       --commit --stat --no-squash --ff --no-ff --ff-only --edit --no-edit
-       --verify-signatures --no-verify-signatures --gpg-sign
-       --quiet --verbose --progress --no-progress
-"
-
 _git_merge ()
 {
        __git_complete_strategy && return
 
        case "$cur" in
        --*)
-               __gitcomp "$__git_merge_options
-                       --rerere-autoupdate --no-rerere-autoupdate --abort"
+               __gitcomp_builtin merge
                return
        esac
-       __gitcomp_nl "$(__git_refs)"
+       __git_complete_refs
 }
 
 _git_mergetool ()
@@ -1509,7 +1845,7 @@ _git_mergetool ()
                return
                ;;
        --*)
-               __gitcomp "--tool="
+               __gitcomp "--tool= --prompt --no-prompt --gui --no-gui"
                return
                ;;
        esac
@@ -1519,18 +1855,18 @@ _git_merge_base ()
 {
        case "$cur" in
        --*)
-               __gitcomp "--octopus --independent --is-ancestor --fork-point"
+               __gitcomp_builtin merge-base
                return
                ;;
        esac
-       __gitcomp_nl "$(__git_refs)"
+       __git_complete_refs
 }
 
 _git_mv ()
 {
        case "$cur" in
        --*)
-               __gitcomp "--dry-run"
+               __gitcomp_builtin mv
                return
                ;;
        esac
@@ -1544,52 +1880,40 @@ _git_mv ()
        fi
 }
 
-_git_name_rev ()
-{
-       __gitcomp "--tags --all --stdin"
-}
-
 _git_notes ()
 {
-       local subcommands='add append copy edit list prune remove show'
+       local subcommands='add append copy edit get-ref list merge prune remove show'
        local subcommand="$(__git_find_on_cmdline "$subcommands")"
 
        case "$subcommand,$cur" in
        ,--*)
-               __gitcomp '--ref'
+               __gitcomp_builtin notes
                ;;
        ,*)
                case "$prev" in
                --ref)
-                       __gitcomp_nl "$(__git_refs)"
+                       __git_complete_refs
                        ;;
                *)
                        __gitcomp "$subcommands --ref"
                        ;;
                esac
                ;;
-       add,--reuse-message=*|append,--reuse-message=*|\
-       add,--reedit-message=*|append,--reedit-message=*)
-               __gitcomp_nl "$(__git_refs)" "" "${cur#*=}"
-               ;;
-       add,--*|append,--*)
-               __gitcomp '--file= --message= --reedit-message=
-                               --reuse-message='
+       *,--reuse-message=*|*,--reedit-message=*)
+               __git_complete_refs --cur="${cur#*=}"
                ;;
-       copy,--*)
-               __gitcomp '--stdin'
-               ;;
-       prune,--*)
-               __gitcomp '--dry-run --verbose'
+       *,--*)
+               __gitcomp_builtin notes_$subcommand
                ;;
-       prune,*)
+       prune,*|get-ref,*)
+               # this command does not take a ref, do not complete it
                ;;
        *)
                case "$prev" in
                -m|-F)
                        ;;
                *)
-                       __gitcomp_nl "$(__git_refs)"
+                       __git_complete_refs
                        ;;
                esac
                ;;
@@ -1606,18 +1930,15 @@ _git_pull ()
                return
                ;;
        --*)
-               __gitcomp "
-                       --rebase --no-rebase
-                       $__git_merge_options
-                       $__git_fetch_options
-               "
+               __gitcomp_builtin pull
+
                return
                ;;
        esac
        __git_complete_remote_or_refspec
 }
 
-__git_push_recurse_submodules="check on-demand"
+__git_push_recurse_submodules="check on-demand only"
 
 __git_complete_force_with_lease ()
 {
@@ -1627,10 +1948,10 @@ __git_complete_force_with_lease ()
        --*=)
                ;;
        *:*)
-               __gitcomp_nl "$(__git_refs)" "" "${cur_#*:}"
+               __git_complete_refs --cur="${cur_#*:}"
                ;;
        *)
-               __gitcomp_nl "$(__git_refs)" "" "$cur_"
+               __git_complete_refs --cur="$cur_"
                ;;
        esac
 }
@@ -1661,23 +1982,36 @@ _git_push ()
                return
                ;;
        --*)
+               __gitcomp_builtin push
+               return
+               ;;
+       esac
+       __git_complete_remote_or_refspec
+}
+
+_git_range_diff ()
+{
+       case "$cur" in
+       --*)
                __gitcomp "
-                       --all --mirror --tags --dry-run --force --verbose
-                       --quiet --prune --delete --follow-tags
-                       --receive-pack= --repo= --set-upstream
-                       --force-with-lease --force-with-lease= --recurse-submodules=
+                       --creation-factor= --no-dual-color
+                       $__git_diff_common_options
                "
                return
                ;;
        esac
-       __git_complete_remote_or_refspec
+       __git_complete_revlist
 }
 
 _git_rebase ()
 {
-       local dir="$(__gitdir)"
-       if [ -d "$dir"/rebase-apply ] || [ -d "$dir"/rebase-merge ]; then
-               __gitcomp "--continue --skip --abort"
+       __git_find_repo_path
+       if [ -f "$__git_repo_path"/rebase-merge/interactive ]; then
+               __gitcomp "--continue --skip --abort --quit --edit-todo --show-current-patch"
+               return
+       elif [ -d "$__git_repo_path"/rebase-apply ] || \
+            [ -d "$__git_repo_path"/rebase-merge ]; then
+               __gitcomp "--continue --skip --abort --quit --show-current-patch"
                return
        fi
        __git_complete_strategy && return
@@ -1689,16 +2023,21 @@ _git_rebase ()
        --*)
                __gitcomp "
                        --onto --merge --strategy --interactive
-                       --preserve-merges --stat --no-stat
+                       --rebase-merges --preserve-merges --stat --no-stat
                        --committer-date-is-author-date --ignore-date
                        --ignore-whitespace --whitespace=
-                       --autosquash --fork-point --no-fork-point
-                       --autostash
+                       --autosquash --no-autosquash
+                       --fork-point --no-fork-point
+                       --autostash --no-autostash
+                       --verify --no-verify
+                       --keep-empty --root --force-rebase --no-ff
+                       --rerere-autoupdate
+                       --exec
                        "
 
                return
        esac
-       __gitcomp_nl "$(__git_refs)"
+       __git_complete_refs
 }
 
 _git_reflog ()
@@ -1709,7 +2048,7 @@ _git_reflog ()
        if [ -z "$subcommand" ]; then
                __gitcomp "$subcommands"
        else
-               __gitcomp_nl "$(__git_refs)"
+               __git_complete_refs
        fi
 }
 
@@ -1718,6 +2057,13 @@ __git_send_email_suppresscc_options="author self cc bodycc sob cccmd body all"
 
 _git_send_email ()
 {
+       case "$prev" in
+       --to|--cc|--bcc|--from)
+               __gitcomp "$(__git send-email --dump-aliases)"
+               return
+               ;;
+       esac
+
        case "$cur" in
        --confirm=*)
                __gitcomp "
@@ -1742,17 +2088,21 @@ _git_send_email ()
                        " "" "${cur##--thread=}"
                return
                ;;
+       --to=*|--cc=*|--bcc=*|--from=*)
+               __gitcomp "$(__git send-email --dump-aliases)" "" "${cur#--*=}"
+               return
+               ;;
        --*)
-               __gitcomp "--annotate --bcc --cc --cc-cmd --chain-reply-to
+               __gitcomp_builtin send-email "--annotate --bcc --cc --cc-cmd --chain-reply-to
                        --compose --confirm= --dry-run --envelope-sender
                        --from --identity
                        --in-reply-to --no-chain-reply-to --no-signed-off-by-cc
-                       --no-suppress-from --no-thread --quiet
+                       --no-suppress-from --no-thread --quiet --reply-to
                        --signed-off-by-cc --smtp-pass --smtp-server
                        --smtp-server-port --smtp-encryption= --smtp-user
                        --subject --suppress-cc= --suppress-from --thread --to
                        --validate --no-validate
-                       $__git_format_patch_options"
+                       $__git_format_patch_extra_options"
                return
                ;;
        esac
@@ -1764,6 +2114,52 @@ _git_stage ()
        _git_add
 }
 
+_git_status ()
+{
+       local complete_opt
+       local untracked_state
+
+       case "$cur" in
+       --ignore-submodules=*)
+               __gitcomp "none untracked dirty all" "" "${cur##--ignore-submodules=}"
+               return
+               ;;
+       --untracked-files=*)
+               __gitcomp "$__git_untracked_file_modes" "" "${cur##--untracked-files=}"
+               return
+               ;;
+       --column=*)
+               __gitcomp "
+                       always never auto column row plain dense nodense
+                       " "" "${cur##--column=}"
+               return
+               ;;
+       --*)
+               __gitcomp_builtin status
+               return
+               ;;
+       esac
+
+       untracked_state="$(__git_get_option_value "-u" "--untracked-files=" \
+               "$__git_untracked_file_modes" "status.showUntrackedFiles")"
+
+       case "$untracked_state" in
+       no)
+               # --ignored option does not matter
+               complete_opt=
+               ;;
+       all|normal|*)
+               complete_opt="--cached --directory --no-empty-directory --others"
+
+               if [ -n "$(__git_find_on_cmdline "--ignored")" ]; then
+                       complete_opt="$complete_opt --ignored --exclude=*"
+               fi
+               ;;
+       esac
+
+       __git_complete_index_file "$complete_opt"
+}
+
 __git_config_get_set_variables ()
 {
        local prevword word config_file= c=$cword
@@ -1783,30 +2179,37 @@ __git_config_get_set_variables ()
                c=$((--c))
        done
 
-       git --git-dir="$(__gitdir)" config $config_file --list 2>/dev/null |
-       while read -r line
-       do
-               case "$line" in
-               *.*=*)
-                       echo "${line/=*/}"
-                       ;;
-               esac
-       done
+       __git config $config_file --name-only --list
+}
+
+__git_config_vars=
+__git_compute_config_vars ()
+{
+       test -n "$__git_config_vars" ||
+       __git_config_vars="$(git help --config-for-completion | sort | uniq)"
 }
 
 _git_config ()
 {
-       case "$prev" in
+       local varname
+
+       if [ "${BASH_VERSINFO[0]:-0}" -ge 4 ]; then
+               varname="${prev,,}"
+       else
+               varname="$(echo "$prev" |tr A-Z a-z)"
+       fi
+
+       case "$varname" in
        branch.*.remote|branch.*.pushremote)
                __gitcomp_nl "$(__git_remotes)"
                return
                ;;
        branch.*.merge)
-               __gitcomp_nl "$(__git_refs)"
+               __git_complete_refs
                return
                ;;
        branch.*.rebase)
-               __gitcomp "false true"
+               __gitcomp "false true merges preserve interactive"
                return
                ;;
        remote.pushdefault)
@@ -1826,9 +2229,8 @@ _git_config ()
        remote.*.push)
                local remote="${prev#remote.}"
                remote="${remote%.push}"
-               __gitcomp_nl "$(git --git-dir="$(__gitdir)" \
-                       for-each-ref --format='%(refname):%(refname)' \
-                       refs/heads)"
+               __gitcomp_nl "$(__git for-each-ref \
+                       --format='%(refname):%(refname)' refs/heads)"
                return
                ;;
        pull.twohead|pull.octopus)
@@ -1853,7 +2255,7 @@ _git_config ()
                return
                ;;
        diff.submodule)
-               __gitcomp "log short"
+               __gitcomp "$__git_diff_submodule_formats"
                return
                ;;
        help.format)
@@ -1864,7 +2266,7 @@ _git_config ()
                __gitcomp "$__git_log_date_formats"
                return
                ;;
-       sendemail.aliasesfiletype)
+       sendemail.aliasfiletype)
                __gitcomp "mutt mailrc pine elm gnus"
                return
                ;;
@@ -1890,31 +2292,25 @@ _git_config ()
        esac
        case "$cur" in
        --*)
-               __gitcomp "
-                       --system --global --local --file=
-                       --list --replace-all
-                       --get --get-all --get-regexp
-                       --add --unset --unset-all
-                       --remove-section --rename-section
-                       "
+               __gitcomp_builtin config
                return
                ;;
        branch.*.*)
                local pfx="${cur%.*}." cur_="${cur##*.}"
-               __gitcomp "remote pushremote merge mergeoptions rebase" "$pfx" "$cur_"
+               __gitcomp "remote pushRemote merge mergeOptions rebase" "$pfx" "$cur_"
                return
                ;;
        branch.*)
                local pfx="${cur%.*}." cur_="${cur#*.}"
-               __gitcomp_nl "$(__git_heads)" "$pfx" "$cur_" "."
-               __gitcomp_nl_append $'autosetupmerge\nautosetuprebase\n' "$pfx" "$cur_"
+               __gitcomp_direct "$(__git_heads "$pfx" "$cur_" ".")"
+               __gitcomp_nl_append $'autoSetupMerge\nautoSetupRebase\n' "$pfx" "$cur_"
                return
                ;;
        guitool.*.*)
                local pfx="${cur%.*}." cur_="${cur##*.}"
                __gitcomp "
-                       argprompt cmd confirm needsfile noconsole norescan
-                       prompt revprompt revunmerged title
+                       argPrompt cmd confirm needsFile noConsole noRescan
+                       prompt revPrompt revUnmerged title
                        " "$pfx" "$cur_"
                return
                ;;
@@ -1943,14 +2339,14 @@ _git_config ()
                local pfx="${cur%.*}." cur_="${cur##*.}"
                __gitcomp "
                        url proxy fetch push mirror skipDefaultUpdate
-                       receivepack uploadpack tagopt pushurl
+                       receivepack uploadpack tagOpt pushurl
                        " "$pfx" "$cur_"
                return
                ;;
        remote.*)
                local pfx="${cur%.*}." cur_="${cur#*.}"
                __gitcomp_nl "$(__git_remotes)" "$pfx" "$cur_" "."
-               __gitcomp_nl_append "pushdefault" "$pfx" "$cur_"
+               __gitcomp_nl_append "pushDefault" "$pfx" "$cur_"
                return
                ;;
        url.*.*)
@@ -1958,324 +2354,95 @@ _git_config ()
                __gitcomp "insteadOf pushInsteadOf" "$pfx" "$cur_"
                return
                ;;
+       *.*)
+               __git_compute_config_vars
+               __gitcomp "$__git_config_vars"
+               ;;
+       *)
+               __git_compute_config_vars
+               __gitcomp "$(echo "$__git_config_vars" | sed 's/\.[^ ]*/./g')"
        esac
-       __gitcomp "
-               add.ignoreErrors
-               advice.commitBeforeMerge
-               advice.detachedHead
-               advice.implicitIdentity
-               advice.pushNonFastForward
-               advice.resolveConflict
-               advice.statusHints
-               alias.
-               am.keepcr
-               apply.ignorewhitespace
-               apply.whitespace
-               branch.autosetupmerge
-               branch.autosetuprebase
-               browser.
-               clean.requireForce
-               color.branch
-               color.branch.current
-               color.branch.local
-               color.branch.plain
-               color.branch.remote
-               color.decorate.HEAD
-               color.decorate.branch
-               color.decorate.remoteBranch
-               color.decorate.stash
-               color.decorate.tag
-               color.diff
-               color.diff.commit
-               color.diff.frag
-               color.diff.func
-               color.diff.meta
-               color.diff.new
-               color.diff.old
-               color.diff.plain
-               color.diff.whitespace
-               color.grep
-               color.grep.context
-               color.grep.filename
-               color.grep.function
-               color.grep.linenumber
-               color.grep.match
-               color.grep.selected
-               color.grep.separator
-               color.interactive
-               color.interactive.error
-               color.interactive.header
-               color.interactive.help
-               color.interactive.prompt
-               color.pager
-               color.showbranch
-               color.status
-               color.status.added
-               color.status.changed
-               color.status.header
-               color.status.nobranch
-               color.status.untracked
-               color.status.updated
-               color.ui
-               commit.status
-               commit.template
-               core.abbrev
-               core.askpass
-               core.attributesfile
-               core.autocrlf
-               core.bare
-               core.bigFileThreshold
-               core.compression
-               core.createObject
-               core.deltaBaseCacheLimit
-               core.editor
-               core.eol
-               core.excludesfile
-               core.fileMode
-               core.fsyncobjectfiles
-               core.gitProxy
-               core.ignoreStat
-               core.ignorecase
-               core.logAllRefUpdates
-               core.loosecompression
-               core.notesRef
-               core.packedGitLimit
-               core.packedGitWindowSize
-               core.pager
-               core.preferSymlinkRefs
-               core.preloadindex
-               core.quotepath
-               core.repositoryFormatVersion
-               core.safecrlf
-               core.sharedRepository
-               core.sparseCheckout
-               core.symlinks
-               core.trustctime
-               core.warnAmbiguousRefs
-               core.whitespace
-               core.worktree
-               diff.autorefreshindex
-               diff.external
-               diff.ignoreSubmodules
-               diff.mnemonicprefix
-               diff.noprefix
-               diff.renameLimit
-               diff.renames
-               diff.statGraphWidth
-               diff.submodule
-               diff.suppressBlankEmpty
-               diff.tool
-               diff.wordRegex
-               diff.algorithm
-               difftool.
-               difftool.prompt
-               fetch.recurseSubmodules
-               fetch.unpackLimit
-               format.attach
-               format.cc
-               format.coverLetter
-               format.headers
-               format.numbered
-               format.pretty
-               format.signature
-               format.signoff
-               format.subjectprefix
-               format.suffix
-               format.thread
-               format.to
-               gc.
-               gc.aggressiveWindow
-               gc.auto
-               gc.autopacklimit
-               gc.packrefs
-               gc.pruneexpire
-               gc.reflogexpire
-               gc.reflogexpireunreachable
-               gc.rerereresolved
-               gc.rerereunresolved
-               gitcvs.allbinary
-               gitcvs.commitmsgannotation
-               gitcvs.dbTableNamePrefix
-               gitcvs.dbdriver
-               gitcvs.dbname
-               gitcvs.dbpass
-               gitcvs.dbuser
-               gitcvs.enabled
-               gitcvs.logfile
-               gitcvs.usecrlfattr
-               guitool.
-               gui.blamehistoryctx
-               gui.commitmsgwidth
-               gui.copyblamethreshold
-               gui.diffcontext
-               gui.encoding
-               gui.fastcopyblame
-               gui.matchtrackingbranch
-               gui.newbranchtemplate
-               gui.pruneduringfetch
-               gui.spellingdictionary
-               gui.trustmtime
-               help.autocorrect
-               help.browser
-               help.format
-               http.lowSpeedLimit
-               http.lowSpeedTime
-               http.maxRequests
-               http.minSessions
-               http.noEPSV
-               http.postBuffer
-               http.proxy
-               http.sslCAInfo
-               http.sslCAPath
-               http.sslCert
-               http.sslCertPasswordProtected
-               http.sslKey
-               http.sslVerify
-               http.useragent
-               i18n.commitEncoding
-               i18n.logOutputEncoding
-               imap.authMethod
-               imap.folder
-               imap.host
-               imap.pass
-               imap.port
-               imap.preformattedHTML
-               imap.sslverify
-               imap.tunnel
-               imap.user
-               init.templatedir
-               instaweb.browser
-               instaweb.httpd
-               instaweb.local
-               instaweb.modulepath
-               instaweb.port
-               interactive.singlekey
-               log.date
-               log.decorate
-               log.showroot
-               mailmap.file
-               man.
-               man.viewer
-               merge.
-               merge.conflictstyle
-               merge.log
-               merge.renameLimit
-               merge.renormalize
-               merge.stat
-               merge.tool
-               merge.verbosity
-               mergetool.
-               mergetool.keepBackup
-               mergetool.keepTemporaries
-               mergetool.prompt
-               notes.displayRef
-               notes.rewrite.
-               notes.rewrite.amend
-               notes.rewrite.rebase
-               notes.rewriteMode
-               notes.rewriteRef
-               pack.compression
-               pack.deltaCacheLimit
-               pack.deltaCacheSize
-               pack.depth
-               pack.indexVersion
-               pack.packSizeLimit
-               pack.threads
-               pack.window
-               pack.windowMemory
-               pager.
-               pretty.
-               pull.octopus
-               pull.twohead
-               push.default
-               rebase.autosquash
-               rebase.stat
-               receive.autogc
-               receive.denyCurrentBranch
-               receive.denyDeleteCurrent
-               receive.denyDeletes
-               receive.denyNonFastForwards
-               receive.fsckObjects
-               receive.unpackLimit
-               receive.updateserverinfo
-               remote.pushdefault
-               remotes.
-               repack.usedeltabaseoffset
-               rerere.autoupdate
-               rerere.enabled
-               sendemail.
-               sendemail.aliasesfile
-               sendemail.aliasfiletype
-               sendemail.bcc
-               sendemail.cc
-               sendemail.cccmd
-               sendemail.chainreplyto
-               sendemail.confirm
-               sendemail.envelopesender
-               sendemail.from
-               sendemail.identity
-               sendemail.multiedit
-               sendemail.signedoffbycc
-               sendemail.smtpdomain
-               sendemail.smtpencryption
-               sendemail.smtppass
-               sendemail.smtpserver
-               sendemail.smtpserveroption
-               sendemail.smtpserverport
-               sendemail.smtpuser
-               sendemail.suppresscc
-               sendemail.suppressfrom
-               sendemail.thread
-               sendemail.to
-               sendemail.validate
-               showbranch.default
-               status.relativePaths
-               status.showUntrackedFiles
-               status.submodulesummary
-               submodule.
-               tar.umask
-               transfer.unpackLimit
-               url.
-               user.email
-               user.name
-               user.signingkey
-               web.browser
-               branch. remote.
-       "
 }
 
 _git_remote ()
 {
-       local subcommands="add rename remove set-head set-branches set-url show prune update"
+       local subcommands="
+               add rename remove set-head set-branches
+               get-url set-url show prune update
+               "
        local subcommand="$(__git_find_on_cmdline "$subcommands")"
        if [ -z "$subcommand" ]; then
-               __gitcomp "$subcommands"
+               case "$cur" in
+               --*)
+                       __gitcomp_builtin remote
+                       ;;
+               *)
+                       __gitcomp "$subcommands"
+                       ;;
+               esac
                return
        fi
 
-       case "$subcommand" in
-       rename|remove|set-url|show|prune)
-               __gitcomp_nl "$(__git_remotes)"
+       case "$subcommand,$cur" in
+       add,--*)
+               __gitcomp_builtin remote_add
+               ;;
+       add,*)
+               ;;
+       set-head,--*)
+               __gitcomp_builtin remote_set-head
                ;;
-       set-head|set-branches)
+       set-branches,--*)
+               __gitcomp_builtin remote_set-branches
+               ;;
+       set-head,*|set-branches,*)
                __git_complete_remote_or_refspec
                ;;
-       update)
-               local i c='' IFS=$'\n'
-               for i in $(git --git-dir="$(__gitdir)" config --get-regexp "remotes\..*" 2>/dev/null); do
-                       i="${i#remotes.}"
-                       c="$c ${i/ */}"
-               done
-               __gitcomp "$c"
+       update,--*)
+               __gitcomp_builtin remote_update
+               ;;
+       update,*)
+               __gitcomp "$(__git_remotes) $(__git_get_config_variables "remotes")"
+               ;;
+       set-url,--*)
+               __gitcomp_builtin remote_set-url
+               ;;
+       get-url,--*)
+               __gitcomp_builtin remote_get-url
+               ;;
+       prune,--*)
+               __gitcomp_builtin remote_prune
                ;;
        *)
+               __gitcomp_nl "$(__git_remotes)"
                ;;
        esac
 }
 
 _git_replace ()
 {
-       __gitcomp_nl "$(__git_refs)"
+       case "$cur" in
+       --format=*)
+               __gitcomp "short medium long" "" "${cur##--format=}"
+               return
+               ;;
+       --*)
+               __gitcomp_builtin replace
+               return
+               ;;
+       esac
+       __git_complete_refs
+}
+
+_git_rerere ()
+{
+       local subcommands="clear forget diff remaining status gc"
+       local subcommand="$(__git_find_on_cmdline "$subcommands")"
+       if test -z "$subcommand"
+       then
+               __gitcomp "$subcommands"
+               return
+       fi
 }
 
 _git_reset ()
@@ -2284,29 +2451,38 @@ _git_reset ()
 
        case "$cur" in
        --*)
-               __gitcomp "--merge --mixed --hard --soft --patch"
+               __gitcomp_builtin reset
                return
                ;;
        esac
-       __gitcomp_nl "$(__git_refs)"
+       __git_complete_refs
 }
 
+__git_revert_inprogress_options="--continue --quit --abort"
+
 _git_revert ()
 {
+       __git_find_repo_path
+       if [ -f "$__git_repo_path"/REVERT_HEAD ]; then
+               __gitcomp "$__git_revert_inprogress_options"
+               return
+       fi
+       __git_complete_strategy && return
        case "$cur" in
        --*)
-               __gitcomp "--edit --mainline --no-edit --no-commit --signoff"
+               __gitcomp_builtin revert "" \
+                       "$__git_revert_inprogress_options"
                return
                ;;
        esac
-       __gitcomp_nl "$(__git_refs)"
+       __git_complete_refs
 }
 
 _git_rm ()
 {
        case "$cur" in
        --*)
-               __gitcomp "--cached --dry-run --ignore-unmatch --quiet"
+               __gitcomp_builtin rm
                return
                ;;
        esac
@@ -2323,7 +2499,7 @@ _git_shortlog ()
                __gitcomp "
                        $__git_log_common_options
                        $__git_log_shortlog_options
-                       --numbered --summary
+                       --numbered --summary --email
                        "
                return
                ;;
@@ -2345,6 +2521,10 @@ _git_show ()
                __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
                return
                ;;
+       --submodule=*)
+               __gitcomp "$__git_diff_submodule_formats" "" "${cur##--submodule=}"
+               return
+               ;;
        --*)
                __gitcomp "--pretty= --format= --abbrev-commit --oneline
                        --show-signature
@@ -2360,12 +2540,7 @@ _git_show_branch ()
 {
        case "$cur" in
        --*)
-               __gitcomp "
-                       --all --remotes --topo-order --current --more=
-                       --list --independent --merge-base --no-name
-                       --color --no-color
-                       --sha1-name --sparse --topics --reflog
-                       "
+               __gitcomp_builtin show-branch
                return
                ;;
        esac
@@ -2374,14 +2549,22 @@ _git_show_branch ()
 
 _git_stash ()
 {
-       local save_opts='--keep-index --no-keep-index --quiet --patch'
-       local subcommands='save list show apply clear drop pop create branch'
-       local subcommand="$(__git_find_on_cmdline "$subcommands")"
+       local save_opts='--all --keep-index --no-keep-index --quiet --patch --include-untracked'
+       local subcommands='push list show apply clear drop pop create branch'
+       local subcommand="$(__git_find_on_cmdline "$subcommands save")"
+       if [ -n "$(__git_find_on_cmdline "-p")" ]; then
+               subcommand="push"
+       fi
        if [ -z "$subcommand" ]; then
                case "$cur" in
                --*)
                        __gitcomp "$save_opts"
                        ;;
+               sa*)
+                       if [ -z "$(__git_find_on_cmdline "$save_opts")" ]; then
+                               __gitcomp "save"
+                       fi
+                       ;;
                *)
                        if [ -z "$(__git_find_on_cmdline "$save_opts")" ]; then
                                __gitcomp "$subcommands"
@@ -2390,16 +2573,33 @@ _git_stash ()
                esac
        else
                case "$subcommand,$cur" in
+               push,--*)
+                       __gitcomp "$save_opts --message"
+                       ;;
                save,--*)
                        __gitcomp "$save_opts"
                        ;;
                apply,--*|pop,--*)
                        __gitcomp "--index --quiet"
                        ;;
-               show,--*|drop,--*|branch,--*)
+               drop,--*)
+                       __gitcomp "--quiet"
+                       ;;
+               list,--*)
+                       __gitcomp "--name-status --oneline --patch-with-stat"
+                       ;;
+               show,--*|branch,--*)
                        ;;
-               show,*|apply,*|drop,*|pop,*|branch,*)
-                       __gitcomp_nl "$(git --git-dir="$(__gitdir)" stash list \
+               branch,*)
+                       if [ $cword -eq 3 ]; then
+                               __git_complete_refs
+                       else
+                               __gitcomp_nl "$(__git stash list \
+                                               | sed -n -e 's/:.*//p')"
+                       fi
+                       ;;
+               show,*|apply,*|drop,*|pop,*)
+                       __gitcomp_nl "$(__git stash list \
                                        | sed -n -e 's/:.*//p')"
                        ;;
                *)
@@ -2412,11 +2612,12 @@ _git_submodule ()
 {
        __git_has_doubledash && return
 
-       local subcommands="add status init deinit update summary foreach sync"
-       if [ -z "$(__git_find_on_cmdline "$subcommands")" ]; then
+       local subcommands="add status init deinit update set-branch summary foreach sync absorbgitdirs"
+       local subcommand="$(__git_find_on_cmdline "$subcommands")"
+       if [ -z "$subcommand" ]; then
                case "$cur" in
                --*)
-                       __gitcomp "--quiet --cached"
+                       __gitcomp "--quiet"
                        ;;
                *)
                        __gitcomp "$subcommands"
@@ -2424,6 +2625,36 @@ _git_submodule ()
                esac
                return
        fi
+
+       case "$subcommand,$cur" in
+       add,--*)
+               __gitcomp "--branch --force --name --reference --depth"
+               ;;
+       status,--*)
+               __gitcomp "--cached --recursive"
+               ;;
+       deinit,--*)
+               __gitcomp "--force --all"
+               ;;
+       update,--*)
+               __gitcomp "
+                       --init --remote --no-fetch
+                       --recommend-shallow --no-recommend-shallow
+                       --force --rebase --merge --reference --depth --recursive --jobs
+               "
+               ;;
+       set-branch,--*)
+               __gitcomp "--default --branch"
+               ;;
+       summary,--*)
+               __gitcomp "--cached --files --summary-limit"
+               ;;
+       foreach,--*|sync,--*)
+               __gitcomp "--recursive"
+               ;;
+       *)
+               ;;
+       esac
 }
 
 _git_svn ()
@@ -2444,14 +2675,14 @@ _git_svn ()
                        --no-metadata --use-svm-props --use-svnsync-props
                        --log-window-size= --no-checkout --quiet
                        --repack-flags --use-log-author --localtime
+                       --add-author-from
                        --ignore-paths= --include-paths= $remote_opts
                        "
                local init_opts="
                        --template= --shared= --trunk= --tags=
                        --branches= --stdlayout --minimize-url
                        --no-metadata --use-svm-props --use-svnsync-props
-                       --rewrite-root= --prefix= --use-log-author
-                       --add-author-from $remote_opts
+                       --rewrite-root= --prefix= $remote_opts
                        "
                local cmt_opts="
                        --edit --rmdir --find-copies-harder --copy-similarity=
@@ -2530,8 +2761,8 @@ _git_tag ()
        while [ $c -lt $cword ]; do
                i="${words[c]}"
                case "$i" in
-               -d|-v)
-                       __gitcomp_nl "$(__git_tags)"
+               -d|--delete|-v|--verify)
+                       __gitcomp_direct "$(__git_tags "" "$cur" " ")"
                        return
                        ;;
                -f)
@@ -2546,21 +2777,17 @@ _git_tag ()
                ;;
        -*|tag)
                if [ $f = 1 ]; then
-                       __gitcomp_nl "$(__git_tags)"
+                       __gitcomp_direct "$(__git_tags "" "$cur" " ")"
                fi
                ;;
        *)
-               __gitcomp_nl "$(__git_refs)"
+               __git_complete_refs
                ;;
        esac
 
        case "$cur" in
        --*)
-               __gitcomp "
-                       --list --delete --verify --annotate --message --file
-                       --sign --cleanup --local-user --force --column --sort
-                       --contains --points-at
-                       "
+               __gitcomp_builtin tag
                ;;
        esac
 }
@@ -2570,9 +2797,85 @@ _git_whatchanged ()
        _git_log
 }
 
+_git_worktree ()
+{
+       local subcommands="add list lock move prune remove unlock"
+       local subcommand="$(__git_find_on_cmdline "$subcommands")"
+       if [ -z "$subcommand" ]; then
+               __gitcomp "$subcommands"
+       else
+               case "$subcommand,$cur" in
+               add,--*)
+                       __gitcomp_builtin worktree_add
+                       ;;
+               list,--*)
+                       __gitcomp_builtin worktree_list
+                       ;;
+               lock,--*)
+                       __gitcomp_builtin worktree_lock
+                       ;;
+               prune,--*)
+                       __gitcomp_builtin worktree_prune
+                       ;;
+               remove,--*)
+                       __gitcomp "--force"
+                       ;;
+               *)
+                       ;;
+               esac
+       fi
+}
+
+__git_complete_common () {
+       local command="$1"
+
+       case "$cur" in
+       --*)
+               __gitcomp_builtin "$command"
+               ;;
+       esac
+}
+
+__git_cmds_with_parseopt_helper=
+__git_support_parseopt_helper () {
+       test -n "$__git_cmds_with_parseopt_helper" ||
+               __git_cmds_with_parseopt_helper="$(__git --list-cmds=parseopt)"
+
+       case " $__git_cmds_with_parseopt_helper " in
+       *" $1 "*)
+               return 0
+               ;;
+       *)
+               return 1
+               ;;
+       esac
+}
+
+__git_complete_command () {
+       local command="$1"
+       local completion_func="_git_${command//-/_}"
+       if ! declare -f $completion_func >/dev/null 2>/dev/null &&
+               declare -f _completion_loader >/dev/null 2>/dev/null
+       then
+               _completion_loader "git-$command"
+       fi
+       if declare -f $completion_func >/dev/null 2>/dev/null
+       then
+               $completion_func
+               return 0
+       elif __git_support_parseopt_helper "$command"
+       then
+               __git_complete_common "$command"
+               return 0
+       else
+               return 1
+       fi
+}
+
 __git_main ()
 {
-       local i c=1 command __git_dir
+       local i c=1 command __git_dir __git_repo_path
+       local __git_C_args C_args_count=0
 
        while [ $c -lt $cword ]; do
                i="${words[c]}"
@@ -2582,6 +2885,10 @@ __git_main ()
                --bare)      __git_dir="." ;;
                --help) command="help"; break ;;
                -c|--work-tree|--namespace) ((c++)) ;;
+               -C)     __git_C_args[C_args_count++]=-C
+                       ((c++))
+                       __git_C_args[C_args_count++]="${words[c]}"
+                       ;;
                -*) ;;
                *) command="$i"; break ;;
                esac
@@ -2589,6 +2896,17 @@ __git_main ()
        done
 
        if [ -z "$command" ]; then
+               case "$prev" in
+               --git-dir|-C|--work-tree)
+                       # these need a path argument, let's fall back to
+                       # Bash filename completion
+                       return
+                       ;;
+               -c|--namespace)
+                       # we don't support completing these options' arguments
+                       return
+                       ;;
+               esac
                case "$cur" in
                --*)   __gitcomp "
                        --paginate
@@ -2607,20 +2925,24 @@ __git_main ()
                        --help
                        "
                        ;;
-               *)     __git_compute_porcelain_commands
-                      __gitcomp "$__git_porcelain_commands $(__git_aliases)" ;;
+               *)
+                       if test -n "$GIT_TESTING_PORCELAIN_COMMAND_LIST"
+                       then
+                               __gitcomp "$GIT_TESTING_PORCELAIN_COMMAND_LIST"
+                       else
+                               __gitcomp "$(__git --list-cmds=list-mainporcelain,others,nohelpers,alias,list-complete,config)"
+                       fi
+                       ;;
                esac
                return
        fi
 
-       local completion_func="_git_${command//-/_}"
-       declare -f $completion_func >/dev/null && $completion_func && return
+       __git_complete_command "$command" && return
 
        local expansion=$(__git_aliased_command "$command")
        if [ -n "$expansion" ]; then
                words[1]=$expansion
-               completion_func="_git_${expansion//-/_}"
-               declare -f $completion_func >/dev/null && $completion_func
+               __git_complete_command "$expansion"
        fi
 }
 
@@ -2628,9 +2950,11 @@ __gitk_main ()
 {
        __git_has_doubledash && return
 
-       local g="$(__gitdir)"
+       local __git_repo_path
+       __git_find_repo_path
+
        local merge=""
-       if [ -f "$g/MERGE_HEAD" ]; then
+       if [ -f "$__git_repo_path/MERGE_HEAD" ]; then
                merge="--merge"
        fi
        case "$cur" in
@@ -2646,7 +2970,10 @@ __gitk_main ()
        __git_complete_revlist
 }
 
-if [[ -n ${ZSH_VERSION-} ]]; then
+if [[ -n ${ZSH_VERSION-} ]] &&
+   # Don't define these functions when sourced from 'git-completion.zsh',
+   # it has its own implementations.
+   [[ -z ${GIT_SOURCING_ZSH_COMPLETION-} ]]; then
        echo "WARNING: this script is deprecated, please see git-completion.zsh" 1>&2
 
        autoload -U +X compinit && compinit
@@ -2677,6 +3004,15 @@ if [[ -n ${ZSH_VERSION-} ]]; then
                esac
        }
 
+       __gitcomp_direct ()
+       {
+               emulate -L zsh
+
+               local IFS=$'\n'
+               compset -P '*[=:]'
+               compadd -Q -- ${=1} && _ret=0
+       }
+
        __gitcomp_nl ()
        {
                emulate -L zsh
@@ -2686,13 +3022,22 @@ if [[ -n ${ZSH_VERSION-} ]]; then
                compadd -Q -S "${4- }" -p "${2-}" -- ${=1} && _ret=0
        }
 
+       __gitcomp_file_direct ()
+       {
+               emulate -L zsh
+
+               local IFS=$'\n'
+               compset -P '*[=:]'
+               compadd -f -- ${=1} && _ret=0
+       }
+
        __gitcomp_file ()
        {
                emulate -L zsh
 
                local IFS=$'\n'
                compset -P '*[=:]'
-               compadd -Q -p "${2-}" -f -- ${=1} && _ret=0
+               compadd -p "${2-}" -f -- ${=1} && _ret=0
        }
 
        _git ()