#
# Fetch one or more remote refs and merge it/them into the current HEAD.
-USAGE='[-n | --no-stat] [--[no-]commit] [--[no-]squash] [--[no-]ff] [-s strategy]... [<fetch-options>] <repo> <head>...'
-LONG_USAGE='Fetch one or more remote refs and merge it/them into the current HEAD.'
SUBDIRECTORY_OK=Yes
-OPTIONS_SPEC=
+OPTIONS_KEEPDASHDASH=
+OPTIONS_STUCKLONG=Yes
+OPTIONS_SPEC="\
+git pull [options] [<repository> [<refspec>...]]
+
+Fetch one or more remote refs and integrate it/them with the current HEAD.
+--
+v,verbose be more verbose
+q,quiet be more quiet
+progress force progress reporting
+
+ Options related to merging
+r,rebase?false|true|preserve incorporate changes by rebasing rather than merging
+n! do not show a diffstat at the end of the merge
+stat show a diffstat at the end of the merge
+summary (synonym to --stat)
+log?n add (at most <n>) entries from shortlog to merge commit message
+squash create a single commit instead of doing a merge
+commit perform a commit if the merge succeeds (default)
+e,edit edit message before committing
+ff allow fast-forward
+ff-only! abort if fast-forward is not possible
+verify-signatures verify that the named commit has a valid GPG signature
+s,strategy=strategy merge strategy to use
+X,strategy-option=option option for selected merge strategy
+S,gpg-sign?key-id GPG sign commit
+
+ Options related to fetching
+all fetch from all remotes
+a,append append to .git/FETCH_HEAD instead of overwriting
+upload-pack=path path to upload pack on remote end
+f,force force overwrite of local branch
+t,tags fetch all tags and associated objects
+p,prune prune remote-tracking branches no longer on remote
+recurse-submodules?on-demand control recursive fetching of submodules
+dry-run dry run
+k,keep keep downloaded pack
+depth=depth deepen history of shallow clone
+unshallow convert to a complete repository
+update-shallow accept refs that update .git/shallow
+refmap=refmap specify fetch refmap
+"
+test $# -gt 0 && args="$*"
. git-sh-setup
. git-sh-i18n
-set_reflog_action "pull${1+ $*}"
+set_reflog_action "pull${args+ $args}"
require_work_tree_exists
cd_to_toplevel
if [ $(git config --bool --get advice.resolveConflict || echo true) = "true" ]; then
die "$(gettext "Pull is not possible because you have unmerged files.
Please, fix them up in the work tree, and then use 'git add/rm <file>'
-as appropriate to mark resolution, or use 'git commit -a'.")"
+as appropriate to mark resolution and make a commit.")"
else
die "$(gettext "Pull is not possible because you have unmerged files.")"
fi
test -z "$(git ls-files -u)" || die_conflict
test -f "$GIT_DIR/MERGE_HEAD" && die_merge
+bool_or_string_config () {
+ git config --bool "$1" 2>/dev/null || git config "$1"
+}
+
strategy_args= diffstat= no_commit= squash= no_ff= ff_only=
-log_arg= verbosity= progress= recurse_submodules=
-merge_args= edit=
+log_arg= verbosity= progress= recurse_submodules= verify_signatures=
+merge_args= edit= rebase_args= all= append= upload_pack= force= tags= prune=
+keep= depth= unshallow= update_shallow= refmap=
curr_branch=$(git symbolic-ref -q HEAD)
curr_branch_short="${curr_branch#refs/heads/}"
-rebase=$(git config --bool branch.$curr_branch_short.rebase)
+rebase=$(bool_or_string_config branch.$curr_branch_short.rebase)
if test -z "$rebase"
then
- rebase=$(git config --bool pull.rebase)
+ rebase=$(bool_or_string_config pull.rebase)
fi
+
+# Setup default fast-forward options via `pull.ff`
+pull_ff=$(bool_or_string_config pull.ff)
+case "$pull_ff" in
+true)
+ no_ff=--ff
+ ;;
+false)
+ no_ff=--no-ff
+ ;;
+only)
+ ff_only=--ff-only
+ ;;
+esac
+
+
dry_run=
while :
do
diffstat=--no-stat ;;
--stat|--summary)
diffstat=--stat ;;
- --log|--no-log)
- log_arg=$1 ;;
- --no-c|--no-co|--no-com|--no-comm|--no-commi|--no-commit)
+ --log|--log=*|--no-log)
+ log_arg="$1" ;;
+ --no-commit)
no_commit=--no-commit ;;
- --c|--co|--com|--comm|--commi|--commit)
+ --commit)
no_commit=--commit ;;
-e|--edit)
edit=--edit ;;
--no-edit)
edit=--no-edit ;;
- --sq|--squ|--squa|--squas|--squash)
+ --squash)
squash=--squash ;;
- --no-sq|--no-squ|--no-squa|--no-squas|--no-squash)
+ --no-squash)
squash=--no-squash ;;
--ff)
no_ff=--ff ;;
no_ff=--no-ff ;;
--ff-only)
ff_only=--ff-only ;;
- -s=*|--s=*|--st=*|--str=*|--stra=*|--strat=*|--strate=*|\
- --strateg=*|--strategy=*|\
- -s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy)
- case "$#,$1" in
- *,*=*)
- strategy=`expr "z$1" : 'z-[^=]*=\(.*\)'` ;;
- 1,*)
- usage ;;
- *)
- strategy="$2"
- shift ;;
- esac
- strategy_args="${strategy_args}-s $strategy "
+ -s*|--strategy=*)
+ strategy_args="$strategy_args $1"
;;
- -X*)
- case "$#,$1" in
- 1,-X)
- usage ;;
- *,-X)
- xx="-X $(git rev-parse --sq-quote "$2")"
- shift ;;
- *,*)
- xx=$(git rev-parse --sq-quote "$1") ;;
- esac
- merge_args="$merge_args$xx "
+ -X*|--strategy-option=*)
+ merge_args="$merge_args $(git rev-parse --sq-quote "$1")"
;;
- -r|--r|--re|--reb|--reba|--rebas|--rebase)
+ -r*|--rebase=*)
+ rebase="${1#*=}"
+ ;;
+ --rebase)
rebase=true
;;
- --no-r|--no-re|--no-reb|--no-reba|--no-rebas|--no-rebase)
+ --no-rebase)
rebase=false
;;
--recurse-submodules)
--no-recurse-submodules)
recurse_submodules=--no-recurse-submodules
;;
- --d|--dr|--dry|--dry-|--dry-r|--dry-ru|--dry-run)
+ --verify-signatures)
+ verify_signatures=--verify-signatures
+ ;;
+ --no-verify-signatures)
+ verify_signatures=--no-verify-signatures
+ ;;
+ --gpg-sign|-S)
+ gpg_sign_args=-S
+ ;;
+ --gpg-sign=*)
+ gpg_sign_args=$(git rev-parse --sq-quote "-S${1#--gpg-sign=}")
+ ;;
+ -S*)
+ gpg_sign_args=$(git rev-parse --sq-quote "$1")
+ ;;
+ --dry-run)
dry_run=--dry-run
;;
+ --all|--no-all)
+ all=$1 ;;
+ -a|--append|--no-append)
+ append=$1 ;;
+ --upload-pack=*|--no-upload-pack)
+ upload_pack=$1 ;;
+ -f|--force|--no-force)
+ force="$force $1" ;;
+ -t|--tags|--no-tags)
+ tags=$1 ;;
+ -p|--prune|--no-prune)
+ prune=$1 ;;
+ -k|--keep|--no-keep)
+ keep=$1 ;;
+ --depth=*|--no-depth)
+ depth=$1 ;;
+ --unshallow|--no-unshallow)
+ unshallow=$1 ;;
+ --update-shallow|--no-update-shallow)
+ update_shallow=$1 ;;
+ --refmap=*|--no-refmap)
+ refmap=$1 ;;
-h|--help-all)
usage
;;
- *)
- # Pass thru anything that may be meant for fetch.
+ --)
+ shift
break
;;
+ *)
+ usage
+ ;;
esac
shift
done
+case "$rebase" in
+preserve)
+ rebase=true
+ rebase_args=--preserve-merges
+ ;;
+true|false|'')
+ ;;
+*)
+ echo "Invalid value for --rebase, should be true, false, or preserve"
+ usage
+ exit 1
+ ;;
+esac
+
error_on_no_merge_candidates () {
exec >&2
- for opt
- do
- case "$opt" in
- -t|--t|--ta|--tag|--tags)
- echo "Fetching tags only, you probably meant:"
- echo " git fetch --tags"
- exit 1
- esac
- done
if test true = "$rebase"
then
op_prep=with
fi
- curr_branch=${curr_branch#refs/heads/}
- upstream=$(git config "branch.$curr_branch.merge")
- remote=$(git config "branch.$curr_branch.remote")
+ upstream=$(git config "branch.$curr_branch_short.merge")
+ remote=$(git config "branch.$curr_branch_short.remote")
if [ $# -gt 1 ]; then
if [ "$rebase" = true ]; then
if ! git rev-parse -q --verify HEAD >/dev/null
then
# On an unborn branch
- if test -f "$GIT_DIR/index"
+ if test -f "$(git rev-parse --git-path index)"
then
die "$(gettext "updating an unborn branch with changes added to the index")"
fi
require_clean_work_tree "pull with rebase" "Please commit or stash them."
fi
oldremoteref= &&
+ test -n "$curr_branch" &&
. git-parse-remote &&
remoteref="$(get_remote_merge_branch "$@" 2>/dev/null)" &&
- oldremoteref="$(git rev-parse -q --verify "$remoteref")" &&
- for reflog in $(git rev-list -g $remoteref 2>/dev/null)
- do
- if test "$reflog" = "$(git merge-base $reflog $curr_branch)"
- then
- oldremoteref="$reflog"
- break
- fi
- done
+ oldremoteref=$(git merge-base --fork-point "$remoteref" $curr_branch 2>/dev/null)
}
orig_head=$(git rev-parse -q --verify HEAD)
-git fetch $verbosity $progress $dry_run $recurse_submodules --update-head-ok "$@" || exit 1
+git fetch $verbosity $progress $dry_run $recurse_submodules $all $append \
+${upload_pack:+"$upload_pack"} $force $tags $prune $keep $depth $unshallow $update_shallow \
+$refmap --update-head-ok "$@" || exit 1
test -z "$dry_run" || exit 0
curr_head=$(git rev-parse -q --verify HEAD)
;;
esac
+# Pulling into unborn branch: a shorthand for branching off
+# FETCH_HEAD, for lazy typers.
if test -z "$orig_head"
then
- git update-ref -m "initial pull" HEAD $merge_head "$curr_head" &&
- git read-tree -m -u HEAD || exit 1
+ # Two-way merge: we claim the index is based on an empty tree,
+ # and try to fast-forward to HEAD. This ensures we will not
+ # lose index/worktree changes that the user already made on
+ # the unborn branch.
+ empty_tree=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+ git read-tree -m -u $empty_tree $merge_head &&
+ git update-ref -m "initial pull" HEAD $merge_head "$curr_head"
exit
fi
fi
fi
-merge_name=$(git fmt-merge-msg $log_arg <"$GIT_DIR/FETCH_HEAD") || exit
case "$rebase" in
true)
- eval="git-rebase $diffstat $strategy_args $merge_args"
+ eval="git-rebase $diffstat $strategy_args $merge_args $rebase_args $verbosity"
+ eval="$eval $gpg_sign_args"
eval="$eval --onto $merge_head ${oldremoteref:-$merge_head}"
;;
*)
- eval="git-merge $diffstat $no_commit $edit $squash $no_ff $ff_only"
- eval="$eval $log_arg $strategy_args $merge_args $verbosity $progress"
- eval="$eval \"\$merge_name\" HEAD $merge_head"
+ eval="git-merge $diffstat $no_commit $verify_signatures $edit $squash $no_ff $ff_only"
+ eval="$eval $log_arg $strategy_args $merge_args $verbosity $progress"
+ eval="$eval $gpg_sign_args"
+ eval="$eval FETCH_HEAD"
;;
esac
eval "exec $eval"
projects / platform / upstream / git.git / blobdiff