[PATCH] Make sq_expand() available as sq_quote().

diff --git a/git-commit-script b/git-commit-script
index f88a51a43ce2a3660fa82c13e502df429678d168..c6f8ee2b3df1a93bcf9b167b5fc5d3ee30381fd8 100755 (executable)
--- a/git-commit-script
+++ b/git-commit-script
@@ -1,11 +1,33 @@
 #!/bin/sh
-: ${GIT_DIR=.git}
-if [ ! -d $GIT_DIR ]; then
-       echo Not a git directory 1>&2
-       exit 1
-fi
+#
+# Copyright (c) 2005 Linus Torvalds
+#
+
+. git-sh-setup-script || die "Not a git archive"
+
+usage () {
+       die 'git commit [-m existing-commit] [<path>...]'
+}
+
+while case "$#" 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
@@ -19,7 +41,7 @@ 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"
@@ -27,18 +49,56 @@ 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 [ "$?" != "0" ]
 then
        cat .editmsg
+       rm .editmsg
        exit 1
 fi
-${VISUAL:-${EDITOR:-vi}} .editmsg
+case "$use_commit" in
+'')
+       ${VISUAL:-${EDITOR:-vi}} .editmsg
+       ;;
+esac
 grep -v '^#' < .editmsg | git-stripspace > .cmitmsg
-[ -s .cmitmsg ] || exit 1
-tree=$(git-write-tree) || exit 1
-commit=$(cat .cmitmsg | git-commit-tree $tree $PARENTS) || exit 1
-echo $commit > $GIT_DIR/HEAD
-rm -f -- $GIT_DIR/MERGE_HEAD
+[ -s .cmitmsg ] && 
+       tree=$(git-write-tree) &&
+       commit=$(cat .cmitmsg | git-commit-tree $tree $PARENTS) &&
+       echo $commit > "$GIT_DIR/HEAD" &&
+       rm -f -- "$GIT_DIR/MERGE_HEAD"
+ret="$?"
+rm -f .cmitmsg .editmsg
+exit "$ret"