From: Junio C Hamano Date: Sat, 25 Jun 2005 09:22:05 +0000 (-0700) Subject: [PATCH] git-commit-script: get commit message from an existing one. X-Git-Tag: v0.99~185 X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=5fec3ef101c0f18bbf2400423dc70e686e9d25b0;p=git.git [PATCH] git-commit-script: get commit message from an existing one. With -m flag specified, git-commit-script takes the commit message along with author information from an existing commit. Signed-off-by: Junio C Hamano Signed-off-by: Linus Torvalds --- diff --git a/git-commit-script b/git-commit-script index 57f5333d..2632afde 100755 --- a/git-commit-script +++ b/git-commit-script @@ -1,12 +1,37 @@ #!/bin/sh +# +# Copyright (c) 2005 Linus Torvalds +# + +usage () { + echo 'git commit [-m existing-commit] [...]' + exit 1 +} + : ${GIT_DIR=.git} -if [ ! -d $GIT_DIR ]; then +if [ ! -d "$GIT_DIR" ]; then echo Not a git directory 1>&2 exit 1 fi +while case "$#" in 0) break ;; esac +do + case "$1" in + -m) shift + case "$#" in + 0) usage ;; + *) use_commit=`git-rev-parse "$1"` || + exit ;; + esac + ;; + *) break + ;; + esac + shift +done + git-update-cache -q --refresh -- "$@" || exit 1 PARENTS="-p HEAD" -if [ ! -r $GIT_DIR/HEAD ]; then +if [ ! -r "$GIT_DIR/HEAD" ]; then if [ -z "$(git-ls-files)" ]; then echo Nothing to commit 1>&2 exit 1 @@ -20,7 +45,7 @@ if [ ! -r $GIT_DIR/HEAD ]; then ) > .editmsg PARENTS="" else - if [ -f $GIT_DIR/MERGE_HEAD ]; then + if [ -f "$GIT_DIR/MERGE_HEAD" ]; then echo "#" echo "# It looks like your may be committing a MERGE." echo "# If this is not correct, please remove the file" @@ -28,8 +53,38 @@ else echo "# and try again" echo "#" PARENTS="-p HEAD -p MERGE_HEAD" - fi > .editmsg - git-status-script >> .editmsg + elif test "$use_commit" != "" + then + pick_author_script=' + /^author /{ + h + s/^author \([^<]*\) <[^>]*> .*$/\1/ + s/'\''/'\''\'\'\''/g + s/.*/GIT_AUTHOR_NAME='\''&'\''/p + + g + s/^author [^<]* <\([^>]*\)> .*$/\1/ + s/'\''/'\''\'\'\''/g + s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p + + g + s/^author [^<]* <[^>]*> \(.*\)$/\1/ + s/'\''/'\''\'\'\''/g + s/.*/GIT_AUTHOR_DATE='\''&'\''/p + + q + } + ' + set_author_env=`git-cat-file commit "$use_commit" | + sed -ne "$pick_author_script"` + eval "$set_author_env" + export GIT_AUTHOR_NAME + export GIT_AUTHOR_EMAIL + export GIT_AUTHOR_DATE + git-cat-file commit "$use_commit" | + sed -e '1,/^$/d' + fi >.editmsg + git-status-script >>.editmsg fi if [ "$?" != "0" ] then @@ -37,13 +92,17 @@ then rm .editmsg exit 1 fi -${VISUAL:-${EDITOR:-vi}} .editmsg +case "$use_commit" in +'') + ${VISUAL:-${EDITOR:-vi}} .editmsg + ;; +esac grep -v '^#' < .editmsg | git-stripspace > .cmitmsg [ -s .cmitmsg ] && tree=$(git-write-tree) && commit=$(cat .cmitmsg | git-commit-tree $tree $PARENTS) && - echo $commit > $GIT_DIR/HEAD && - rm -f -- $GIT_DIR/MERGE_HEAD + echo $commit > "$GIT_DIR/HEAD" && + rm -f -- "$GIT_DIR/MERGE_HEAD" ret="$?" rm -f .cmitmsg .editmsg exit "$ret"