# Copyright (c) 2005 Linus Torvalds
# Copyright (c) 2006 Junio C Hamano
-USAGE='[-a] [-i] [-s] [-v | --no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit>] [-e] [--author <author>] [<path>...]'
-
+USAGE='[-a] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit>) [--amend] [-e] [--author <author>] [[-i | -o] <path>...]'
SUBDIRECTORY_OK=Yes
. git-sh-setup
-git-rev-parse --verify HEAD >/dev/null 2>&1 ||
-initial_commit=t
+git-rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t
+branch=$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD)
+
+case "$0" in
+*status)
+ status_only=t
+ unmerged_ok_if_status=--unmerged ;;
+*commit)
+ status_only=
+ unmerged_ok_if_status= ;;
+esac
refuse_partial () {
echo >&2 "$1"
exit 1
}
-SAVE_INDEX="$GIT_DIR/save-index$$"
+THIS_INDEX="$GIT_DIR/index"
+NEXT_INDEX="$GIT_DIR/next-index$$"
+rm -f "$NEXT_INDEX"
save_index () {
- cp "$GIT_DIR/index" "$SAVE_INDEX"
+ cp "$THIS_INDEX" "$NEXT_INDEX"
+}
+
+report () {
+ header="#
+# $1:
+# ($2)
+#
+"
+ trailer=""
+ while read status name newname
+ do
+ printf '%s' "$header"
+ header=""
+ trailer="#
+"
+ case "$status" in
+ M ) echo "# modified: $name";;
+ D*) echo "# deleted: $name";;
+ T ) echo "# typechange: $name";;
+ C*) echo "# copied: $name -> $newname";;
+ R*) echo "# renamed: $name -> $newname";;
+ A*) echo "# new file: $name";;
+ U ) echo "# unmerged: $name";;
+ esac
+ done
+ printf '%s' "$trailer"
+ [ "$header" ]
}
run_status () {
- (
- cd "$TOP"
- if test '' != "$TMP_INDEX"
+ (
+ # We always show status for the whole tree.
+ cd "$TOP"
+
+ IS_INITIAL="$initial_commit"
+ REFERENCE=HEAD
+ case "$amend" in
+ t)
+ # If we are amending the initial commit, there
+ # is no HEAD^1.
+ if git-rev-parse --verify "HEAD^1" >/dev/null 2>&1
then
- GIT_INDEX_FILE="$TMP_INDEX" git-status
+ REFERENCE="HEAD^1"
+ IS_INITIAL=
else
- git-status
+ IS_INITIAL=t
fi
- )
+ ;;
+ esac
+
+ # If TMP_INDEX is defined, that means we are doing
+ # "--only" partial commit, and that index file is used
+ # to build the tree for the commit. Otherwise, if
+ # NEXT_INDEX exists, that is the index file used to
+ # make the commit. Otherwise we are using as-is commit
+ # so the regular index file is what we use to compare.
+ if test '' != "$TMP_INDEX"
+ then
+ GIT_INDEX_FILE="$TMP_INDEX"
+ export GIT_INDEX_FILE
+ elif test -f "$NEXT_INDEX"
+ then
+ GIT_INDEX_FILE="$NEXT_INDEX"
+ export GIT_INDEX_FILE
+ fi
+
+ case "$branch" in
+ refs/heads/master) ;;
+ *) echo "# On branch $branch" ;;
+ esac
+
+ if test -z "$IS_INITIAL"
+ then
+ git-diff-index -M --cached --name-status \
+ --diff-filter=MDTCRA $REFERENCE |
+ sed -e '
+ s/\\/\\\\/g
+ s/ /\\ /g
+ ' |
+ report "Updated but not checked in" "will commit"
+ committable="$?"
+ else
+ echo '#
+# Initial commit
+#'
+ git-ls-files |
+ sed -e '
+ s/\\/\\\\/g
+ s/ /\\ /g
+ s/^/A /
+ ' |
+ report "Updated but not checked in" "will commit"
+
+ committable="$?"
+ fi
+
+ git-diff-files --name-status |
+ sed -e '
+ s/\\/\\\\/g
+ s/ /\\ /g
+ ' |
+ report "Changed but not updated" \
+ "use git-update-index to mark for commit"
+
+ if test -f "$GIT_DIR/info/exclude"
+ then
+ git-ls-files -z --others --directory \
+ --exclude-from="$GIT_DIR/info/exclude" \
+ --exclude-per-directory=.gitignore
+ else
+ git-ls-files -z --others --directory \
+ --exclude-per-directory=.gitignore
+ fi |
+ perl -e '$/ = "\0";
+ my $shown = 0;
+ while (<>) {
+ chomp;
+ s|\\|\\\\|g;
+ s|\t|\\t|g;
+ s|\n|\\n|g;
+ s/^/# /;
+ if (!$shown) {
+ print "#\n# Untracked files:\n";
+ print "# (use \"git add\" to add to commit)\n";
+ print "#\n";
+ $shown = 1;
+ }
+ print "$_\n";
+ }
+ '
+
+ if test -n "$verbose"
+ then
+ git-diff-index --cached -M -p --diff-filter=MDTCRA $REFERENCE
+ fi
+ case "$committable" in
+ 0)
+ echo "nothing to commit"
+ exit 1
+ esac
+ exit 0
+ )
}
+trap '
+ test -z "$TMP_INDEX" || {
+ test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
+ }
+ rm -f "$NEXT_INDEX"
+' 0
+
+################################################################
+# Command line argument parsing and sanity checking
+
all=
also=
only=
logfile=
use_commit=
+amend=
no_edit=
log_given=
log_message=
verify=t
+verbose=
signoff=
force_author=
+only_include_assumed=
while case "$#" in 0) break;; esac
do
case "$1" in
verify=
shift
;;
+ --a|--am|--ame|--amen|--amend)
+ amend=t
+ log_given=t$log_given
+ use_commit=HEAD
+ shift
+ ;;
-c)
case "$#" in 1) usage ;; esac
shift
signoff=t
shift
;;
- -v|--v|--ve|--ver|--veri|--verif|--verify)
- verify=t
- shift
+ -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
+ verbose=t
+ shift
;;
--)
shift
esac
done
+################################################################
+# Sanity check options
+
+case "$amend,$initial_commit" in
+t,t)
+ die "You do not have anything to amend." ;;
+t,)
+ if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
+ die "You are in the middle of a merge -- cannot amend."
+ fi ;;
+esac
+
case "$log_given" in
tt*)
die "Only one of -c/-C/-F/-m can be used." ;;
0,)
;;
*,)
- echo >&2 "assuming --include paths..."
- also=t
- # Later when switch the defaults, we will replace them with these:
- # echo >&2 "assuming --only paths..."
- # also=
+ only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..."
+ also=
;;
esac
unset only
+case "$all,$also,$#" in
+t,t,*)
+ die "Cannot use -a and -i at the same time." ;;
+t,,[1-9]*)
+ die "Paths with -a does not make sense." ;;
+,t,0)
+ die "No paths with -i does not make sense." ;;
+esac
+
+################################################################
+# Prepare index to have a tree to be committed
TOP=`git-rev-parse --show-cdup`
if test -z "$TOP"
fi
case "$all,$also" in
-t,t)
- die "Cannot use -a and -i at the same time." ;;
t,)
- case "$#" in
- 0) ;;
- *) die "Paths with -a does not make sense." ;;
- esac
-
save_index &&
(
cd "$TOP"
+ GIT_INDEX_FILE="$NEXT_INDEX"
+ export GIT_INDEX_FILE
git-diff-files --name-only -z |
git-update-index --remove -z --stdin
)
;;
,t)
- case "$#" in
- 0) die "No paths with -i does not make sense." ;;
- esac
-
save_index &&
+ git-ls-files --error-unmatch -- "$@" >/dev/null || exit
+
git-diff-files --name-only -z -- "$@" |
- (cd "$TOP" && git-update-index --remove -z --stdin)
+ (
+ cd "$TOP"
+ GIT_INDEX_FILE="$NEXT_INDEX"
+ export GIT_INDEX_FILE
+ git-update-index --remove -z --stdin
+ )
;;
,)
case "$#" in
refuse_partial "Different in index and the last commit:
$dirty_in_index"
fi
- commit_only=`git-ls-files -- "$@"` ;;
+ commit_only=`git-ls-files --error-unmatch -- "$@"` || exit
+
+ # Build the temporary index and update the real index
+ # the same way.
+ if test -z "$initial_commit"
+ then
+ cp "$THIS_INDEX" "$TMP_INDEX"
+ GIT_INDEX_FILE="$TMP_INDEX" git-read-tree -m HEAD
+ else
+ rm -f "$TMP_INDEX"
+ fi || exit
+
+ echo "$commit_only" |
+ GIT_INDEX_FILE="$TMP_INDEX" \
+ git-update-index --add --remove --stdin &&
+
+ save_index &&
+ echo "$commit_only" |
+ (
+ GIT_INDEX_FILE="$NEXT_INDEX"
+ export GIT_INDEX_FILE
+ git-update-index --remove --stdin
+ ) || exit
+ ;;
esac
;;
esac
-git-update-index -q --refresh || exit 1
-
-trap '
- test -z "$TMP_INDEX" || {
- test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
- }
- test -f "$SAVE_INDEX" && mv -f "$SAVE_INDEX" "$GIT_DIR/index"
-' 0
+################################################################
+# If we do as-is commit, the index file will be THIS_INDEX,
+# otherwise NEXT_INDEX after we make this commit. We leave
+# the index as is if we abort.
-if test "$TMP_INDEX"
+if test -f "$NEXT_INDEX"
then
- if test -z "$initial_commit"
- then
- GIT_INDEX_FILE="$TMP_INDEX" git-read-tree HEAD
- else
- rm -f "$TMP_INDEX"
- fi || exit
- echo "$commit_only" |
- GIT_INDEX_FILE="$TMP_INDEX" git-update-index --add --remove --stdin &&
- save_index &&
- echo "$commit_only" |
- git-update-index --remove --stdin ||
- exit
+ USE_INDEX="$NEXT_INDEX"
+else
+ USE_INDEX="$THIS_INDEX"
fi
+GIT_INDEX_FILE="$USE_INDEX" \
+ git-update-index -q $unmerged_ok_if_status --refresh || exit
+
+################################################################
+# If the request is status, just show it and exit.
+
+case "$0" in
+*status)
+ run_status
+ exit $?
+esac
+
+################################################################
+# Grab commit message, write out tree and make commit.
+
if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
then
if test "$TMP_INDEX"
then
GIT_INDEX_FILE="$TMP_INDEX" "$GIT_DIR"/hooks/pre-commit
else
- "$GIT_DIR"/hooks/pre-commit
+ GIT_INDEX_FILE="$USE_INDEX" "$GIT_DIR"/hooks/pre-commit
fi || exit
fi
then
if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
+ elif test -n "$amend"; then
+ PARENTS=$(git-cat-file commit HEAD |
+ sed -n -e '/^$/q' -e 's/^parent /-p /p')
fi
+ current=$(git-rev-parse --verify HEAD)
else
if [ -z "$(git-ls-files)" ]; then
echo >&2 Nothing to commit
exit 1
fi
PARENTS=""
+ current=
fi
-
-run_status >>"$GIT_DIR"/COMMIT_EDITMSG
+{
+ test -z "$only_include_assumed" || echo "$only_include_assumed"
+ run_status
+} >>"$GIT_DIR"/COMMIT_EDITMSG
if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" ]
then
rm -f "$GIT_DIR/COMMIT_EDITMSG"
fi
esac
-grep -v '^#' < "$GIT_DIR"/COMMIT_EDITMSG |
-git-stripspace > "$GIT_DIR"/COMMIT_MSG
+sed -e '
+ /^diff --git a\/.*/{
+ s///
+ q
+ }
+ /^#/d
+' "$GIT_DIR"/COMMIT_EDITMSG |
+git-stripspace >"$GIT_DIR"/COMMIT_MSG
if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
git-stripspace |
then
if test -z "$TMP_INDEX"
then
- tree=$(git-write-tree)
+ tree=$(GIT_INDEX_FILE="$USE_INDEX" git-write-tree)
else
tree=$(GIT_INDEX_FILE="$TMP_INDEX" git-write-tree) &&
rm -f "$TMP_INDEX"
fi &&
commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
git-update-ref HEAD $commit $current &&
- rm -f -- "$GIT_DIR/MERGE_HEAD"
+ rm -f -- "$GIT_DIR/MERGE_HEAD" &&
+ if test -f "$NEXT_INDEX"
+ then
+ mv "$NEXT_INDEX" "$THIS_INDEX"
+ else
+ : ;# happy
+ fi
else
echo >&2 "* no commit message? aborting commit."
false
fi
ret="$?"
rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG"
-git-rerere
+if test -d "$GIT_DIR/rr-cache"
+then
+ git-rerere
+fi
if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
then
"$GIT_DIR"/hooks/post-commit
fi
-if test 0 -eq "$ret"
-then
- rm -f "$SAVE_INDEX"
-fi
exit "$ret"