1 # Copyright 2012 the V8 project authors. All rights reserved.
2 # Redistribution and use in source and binary forms, with or without
3 # modification, are permitted provided that the following conditions are
6 # * Redistributions of source code must retain the above copyright
7 # notice, this list of conditions and the following disclaimer.
8 # * Redistributions in binary form must reproduce the above
9 # copyright notice, this list of conditions and the following
10 # disclaimer in the documentation and/or other materials provided
11 # with the distribution.
12 # * Neither the name of Google Inc. nor the names of its
13 # contributors may be used to endorse or promote products derived
14 # from this software without specific prior written permission.
16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 # This file contains common function definitions for various other shell
29 # scripts in this directory. It is not meant to be executed by itself.
31 # Important: before including this file, the following variables must be set:
33 # - PERSISTFILE_BASENAME
35 TEMP_BRANCH=$BRANCHNAME-temporary-branch-created-by-script
36 VERSION_FILE="src/version.cc"
37 CHANGELOG_ENTRY_FILE="$PERSISTFILE_BASENAME-changelog-entry"
38 PATCH_FILE="$PERSISTFILE_BASENAME-patch"
39 PATCH_OUTPUT_FILE="$PERSISTFILE_BASENAME-patch-output"
40 COMMITMSG_FILE="$PERSISTFILE_BASENAME-commitmsg"
41 TOUCHED_FILES_FILE="$PERSISTFILE_BASENAME-touched-files"
42 TRUNK_REVISION_FILE="$PERSISTFILE_BASENAME-trunkrevision"
47 [[ -n "$1" ]] && echo "Error: $1"
55 if [[ -z "$ANSWER" || "$ANSWER" == "Y" || "$ANSWER" == "y" ]] ; then
63 local MATCH=$(git branch | grep "$1" | awk '{print $NF}' | grep -x $1)
64 if [ "$MATCH" == "$1" ] ; then
65 confirm "Branch $1 exists, do you want to delete it?"
66 if [ $? -eq 0 ] ; then
67 git branch -D $1 || die "Deleting branch '$1' failed."
68 echo "Branch $1 deleted."
70 die "Can't continue. Please delete branch $1 and try again."
75 # Persist and restore variables to support canceling/resuming execution
79 local FILE="$PERSISTFILE_BASENAME-$VARNAME"
80 local VALUE="${!VARNAME}"
81 if [ -z "$VALUE" ] ; then
89 local FILE="$PERSISTFILE_BASENAME-$VARNAME"
90 local VALUE="$(cat $FILE)"
91 [[ -z "$VALUE" ]] && die "Variable '$VARNAME' could not be restored."
92 if [ "$VALUE" == "__EMPTY__" ] ; then
95 eval "$VARNAME=\"$VALUE\""
100 [[ -z "${!VARNAME}" ]] && restore "$VARNAME"
103 initial_environment_checks() {
104 # Cancel if this is not a git checkout.
106 || die "This is not a git checkout, this script won't work for you."
108 # Cancel if EDITOR is unset or not executable.
109 [[ -n "$EDITOR" && -x "$(which $EDITOR)" ]] \
110 || die "Please set your EDITOR environment variable, you'll need it."
114 # Check for a clean workdir.
115 [[ -z "$(git status -s -uno)" ]] \
116 || die "Workspace is not clean. Please commit or undo your changes."
118 # Persist current branch.
119 CURRENT_BRANCH=$(git status -s -b -uno | grep "^##" | awk '{print $2}')
120 persist "CURRENT_BRANCH"
122 # Fetch unfetched revisions.
123 git svn fetch || die "'git svn fetch' failed."
125 # Get ahold of a safe temporary branch and check it out.
126 if [ "$CURRENT_BRANCH" != "$TEMP_BRANCH" ] ; then
127 delete_branch $TEMP_BRANCH
128 git checkout -b $TEMP_BRANCH
131 # Delete the branch that will be created later if it exists already.
132 delete_branch $BRANCHNAME
136 restore_if_unset "CURRENT_BRANCH"
137 git checkout -f $CURRENT_BRANCH
138 [[ "$TEMP_BRANCH" != "$CURRENT_BRANCH" ]] && git branch -D $TEMP_BRANCH
139 [[ "$BRANCHNAME" != "$CURRENT_BRANCH" ]] && git branch -D $BRANCHNAME
140 # Clean up all temporary files.
141 rm -f "$PERSISTFILE_BASENAME"*
144 # These two functions take a prefix for the variable names as first argument.
145 read_and_persist_version() {
146 for v in MAJOR_VERSION MINOR_VERSION BUILD_NUMBER PATCH_LEVEL; do
148 VALUE=$(grep "#define $v" "$VERSION_FILE" | awk '{print $NF}')
149 eval "$VARNAME=\"$VALUE\""
153 restore_version_if_unset() {
154 for v in MAJOR MINOR BUILD PATCH; do
155 restore_if_unset "$1$v"
161 if [ $START_STEP -le $CURRENT_STEP ] ; then
162 echo ">>> Step $CURRENT_STEP: Upload for code review."
163 echo -n "Please enter the email address of a V8 reviewer for your patch: "
165 git cl upload -r "$REVIEWER" --send-mail \
166 || die "'git cl upload' failed, please try again."
171 echo "Please wait for an LGTM, then type \"LGTM<Return>\" to commit your \
172 change. (If you need to iterate on the patch or double check that it's \
173 sane, do so in another shell, but remember to not change the headline of \
176 while [ "$ANSWER" != "LGTM" ] ; do
177 [[ -n "$ANSWER" ]] && echo "That was not 'LGTM'."
183 # Takes a file containing the patch to apply as first argument.
185 patch $REVERSE_PATCH -p1 < "$1" > "$PATCH_OUTPUT_FILE" || \
186 { cat "$PATCH_OUTPUT_FILE" && die "Applying the patch failed."; }
187 tee < "$PATCH_OUTPUT_FILE" >(grep "patching file" \
188 | awk '{print $NF}' >> "$TOUCHED_FILES_FILE")
189 rm "$PATCH_OUTPUT_FILE"
193 # Stage added and modified files.
194 TOUCHED_FILES=$(cat "$TOUCHED_FILES_FILE")
195 for FILE in $TOUCHED_FILES ; do
198 # Stage deleted files.
199 DELETED_FILES=$(git status -s -uno --porcelain | grep "^ D" \
201 for FILE in $DELETED_FILES ; do
204 rm -f "$TOUCHED_FILES_FILE"