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diff --git a/git-rebase.sh b/git-rebase.sh
index ece31425d08a7fc2758b769afac65c37956d20cb..7a02f2975d443cfe35c98d3c62b656850d7d406c 100755 (executable)
--- a/git-rebase.sh
+++ b/git-rebase.sh
# Copyright (c) 2005 Junio C Hamano.
#
-USAGE='[-v] [--onto <newbase>] <upstream> [<branch>]'
+USAGE='[--interactive | -i] [-v] [--onto <newbase>] <upstream> [<branch>]'
LONG_USAGE='git-rebase replaces <branch> with a new branch of the
same name. When the --onto option is provided the new branch starts
out with a HEAD equal to <newbase>, otherwise it is equal to <upstream>
/ --> /
D---E---F---G master D---E---F---G master
'
+
+SUBDIRECTORY_OK=Yes
. git-sh-setup
+set_reflog_action rebase
+require_work_tree
+cd_to_toplevel
RESOLVEMSG="
When you have resolved this problem run \"git rebase --continue\".
dotest=$GIT_DIR/.dotest-merge
prec=4
verbose=
+git_am_opt=
continue_merge () {
test -n "$prev_head" || die "prev_head must be defined"
test -d "$dotest" || die "$dotest directory does not exist"
- unmerged=$(git-ls-files -u)
+ unmerged=$(git ls-files -u)
if test -n "$unmerged"
then
echo "You still have unmerged paths in your index"
- echo "did you forget update-index?"
+ echo "did you forget to use git add?"
die "$RESOLVEMSG"
fi
- if test -n "`git-diff-index HEAD`"
+ if ! git diff-index --quiet HEAD
then
if ! git-commit -C "`cat $dotest/current`"
then
else
printf "Already applied: %0${prec}d" $msgnum
fi
- echo ' '`git-rev-list --pretty=oneline -1 HEAD | \
+ echo ' '`git rev-list --pretty=oneline -1 HEAD | \
sed 's/^[a-f0-9]\+ //'`
- prev_head=`git-rev-parse HEAD^0`
+ prev_head=`git rev-parse HEAD^0`
# save the resulting commit so we can read-tree on it later
echo "$prev_head" > "$dotest/prev_head"
call_merge () {
cmt="$(cat $dotest/cmt.$1)"
echo "$cmt" > "$dotest/current"
- git-merge-$strategy "$cmt^" -- HEAD "$cmt"
+ hd=$(git rev-parse --verify HEAD)
+ cmt_name=$(git symbolic-ref HEAD)
+ msgnum=$(cat $dotest/msgnum)
+ end=$(cat $dotest/end)
+ eval GITHEAD_$cmt='"${cmt_name##refs/heads/}~$(($end - $msgnum))"'
+ eval GITHEAD_$hd='"$(cat $dotest/onto_name)"'
+ export GITHEAD_$cmt GITHEAD_$hd
+ git-merge-$strategy "$cmt^" -- "$hd" "$cmt"
rv=$?
case "$rv" in
0)
+ unset GITHEAD_$cmt GITHEAD_$hd
return
;;
1)
- test -d "$GIT_DIR/rr-cache" && git-rerere
+ test -d "$GIT_DIR/rr-cache" && git rerere
die "$RESOLVEMSG"
;;
2)
echo "All done."
}
+is_interactive () {
+ test -f "$dotest"/interactive ||
+ while case $#,"$1" in 0,|*,-i|*,--interactive) break ;; esac
+ do
+ shift
+ done && test -n "$1"
+}
+
+is_interactive "$@" && exec git-rebase--interactive "$@"
+
while case "$#" in 0) break ;; esac
do
case "$1" in
--continue)
- diff=$(git-diff-files)
- case "$diff" in
- ?*) echo "You must edit all merge conflicts and then"
- echo "mark them as resolved using git update-index"
+ git diff-files --quiet || {
+ echo "You must edit all merge conflicts and then"
+ echo "mark them as resolved using git add"
exit 1
- ;;
- esac
+ }
if test -d "$dotest"
then
prev_head="`cat $dotest/prev_head`"
finish_rb_merge
exit
fi
- git am --resolved --3way --resolvemsg="$RESOLVEMSG" \
- --reflog-action=rebase
+ git am --resolved --3way --resolvemsg="$RESOLVEMSG"
exit
;;
--skip)
then
if test -d "$GIT_DIR/rr-cache"
then
- git-rerere clear
+ git rerere clear
fi
prev_head="`cat $dotest/prev_head`"
end="`cat $dotest/end`"
finish_rb_merge
exit
fi
- git am -3 --skip --resolvemsg="$RESOLVEMSG" \
- --reflog-action=rebase
+ git am -3 --skip --resolvemsg="$RESOLVEMSG"
exit
;;
--abort)
if test -d "$GIT_DIR/rr-cache"
then
- git-rerere clear
+ git rerere clear
fi
if test -d "$dotest"
then
-v|--verbose)
verbose=t
;;
+ -C*)
+ git_am_opt=$1
+ shift
+ ;;
-*)
usage
;;
fi
# The tree must be really really clean.
-git-update-index --refresh || exit
-diff=$(git-diff-index --cached --name-status -r HEAD)
+git update-index --refresh || exit
+diff=$(git diff-index --cached --name-status -r HEAD)
case "$diff" in
-?*) echo "$diff"
+?*) echo "cannot rebase: your index is not up-to-date"
+ echo "$diff"
exit 1
;;
esac
upstream=`git rev-parse --verify "${upstream_name}^0"` ||
die "invalid upstream $upstream_name"
+# Make sure the branch to rebase onto is valid.
+onto_name=${newbase-"$upstream_name"}
+onto=$(git rev-parse --verify "${onto_name}^0") || exit
+
# If a hook exists, give it a chance to interrupt
if test -x "$GIT_DIR/hooks/pre-rebase"
then
git-checkout "$2" || usage
;;
*)
- branch_name=`git symbolic-ref HEAD` || die "No current branch"
- branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'`
+ if branch_name=`git symbolic-ref -q HEAD`
+ then
+ branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'`
+ else
+ branch_name=HEAD ;# detached
+ fi
;;
esac
-branch=$(git-rev-parse --verify "${branch_name}^0") || exit
-
-# Make sure the branch to rebase onto is valid.
-onto_name=${newbase-"$upstream_name"}
-onto=$(git-rev-parse --verify "${onto_name}^0") || exit
+branch=$(git rev-parse --verify "${branch_name}^0") || exit
# Now we are rebasing commits $upstream..$branch on top of $onto
-# Check if we are already based on $onto, but this should be
-# done only when upstream and onto are the same.
-mb=$(git-merge-base "$onto" "$branch")
-if test "$upstream" = "$onto" && test "$mb" = "$onto"
+# Check if we are already based on $onto with linear history,
+# but this should be done only when upstream and onto are the same.
+mb=$(git merge-base "$onto" "$branch")
+if test "$upstream" = "$onto" && test "$mb" = "$onto" &&
+ # linear history?
+ ! git rev-list --parents "$onto".."$branch" | grep " .* " > /dev/null
then
echo >&2 "Current branch $branch_name is up to date."
exit 0
if test -n "$verbose"
then
echo "Changes from $mb to $onto:"
- git-diff-tree --stat --summary "$mb" "$onto"
+ # We want color (if set), but no pager
+ GIT_PAGER='' git diff --stat --summary "$mb" "$onto"
fi
# Rewind the head to "$onto"; this saves our current head in ORIG_HEAD.
if test -z "$do_merge"
then
- git-format-patch -k --stdout --full-index --ignore-if-in-upstream "$upstream"..ORIG_HEAD |
- git am --binary -3 -k --resolvemsg="$RESOLVEMSG" \
- --reflog-action=rebase
+ git format-patch -k --stdout --full-index --ignore-if-in-upstream "$upstream"..ORIG_HEAD |
+ git am $git_am_opt --binary -3 -k --resolvemsg="$RESOLVEMSG"
exit $?
fi
mkdir -p "$dotest"
echo "$onto" > "$dotest/onto"
-prev_head=`git-rev-parse HEAD^0`
+echo "$onto_name" > "$dotest/onto_name"
+prev_head=`git rev-parse HEAD^0`
echo "$prev_head" > "$dotest/prev_head"
msgnum=0
-for cmt in `git-rev-list --no-merges "$upstream"..ORIG_HEAD \
- | @@PERL@@ -e 'print reverse <>'`
+for cmt in `git rev-list --reverse --no-merges "$upstream"..ORIG_HEAD`
do
msgnum=$(($msgnum + 1))
echo "$cmt" > "$dotest/cmt.$msgnum"