git rebase --abort instead.
Note that if <branch> is not specified on the command line, the
-currently checked out branch is used. You must be in the top
-directory of your project to start (or continue) a rebase.
+currently checked out branch is used.
Example: git-rebase master~1 topic
'
SUBDIRECTORY_OK=Yes
+OPTIONS_SPEC=
. git-sh-setup
set_reflog_action rebase
require_work_tree
die "$RESOLVEMSG"
fi
- cmt=`cat $dotest/current`
- if ! git diff-index --quiet HEAD
+ cmt=`cat "$dotest/current"`
+ if ! git diff-index --quiet HEAD --
then
- if ! git-commit -C "$cmt"
+ if ! git commit --no-verify -C "$cmt"
then
echo "Commit failed, please do not call \"git commit\""
echo "directly, but instead do one of the following: "
}
call_merge () {
- cmt="$(cat $dotest/cmt.$1)"
+ cmt="$(cat "$dotest/cmt.$1")"
echo "$cmt" > "$dotest/current"
hd=$(git rev-parse --verify HEAD)
- cmt_name=$(git symbolic-ref HEAD)
- msgnum=$(cat $dotest/msgnum)
- end=$(cat $dotest/end)
+ cmt_name=$(git symbolic-ref HEAD 2> /dev/null || echo HEAD)
+ msgnum=$(cat "$dotest/msgnum")
+ end=$(cat "$dotest/end")
eval GITHEAD_$cmt='"${cmt_name##refs/heads/}~$(($end - $msgnum))"'
- eval GITHEAD_$hd='"$(cat $dotest/onto_name)"'
+ eval GITHEAD_$hd='$(cat "$dotest/onto_name")'
export GITHEAD_$cmt GITHEAD_$hd
git-merge-$strategy "$cmt^" -- "$hd" "$cmt"
rv=$?
esac
}
+move_to_original_branch () {
+ test -z "$head_name" &&
+ head_name="$(cat "$dotest"/head-name)" &&
+ onto="$(cat "$dotest"/onto)" &&
+ orig_head="$(cat "$dotest"/orig-head)"
+ case "$head_name" in
+ refs/*)
+ message="rebase finished: $head_name onto $onto"
+ git update-ref -m "$message" \
+ $head_name $(git rev-parse HEAD) $orig_head &&
+ git symbolic-ref HEAD $head_name ||
+ die "Could not move back to $head_name"
+ ;;
+ esac
+}
+
finish_rb_merge () {
+ move_to_original_branch
rm -r "$dotest"
echo "All done."
}
}
if test -d "$dotest"
then
- prev_head="`cat $dotest/prev_head`"
- end="`cat $dotest/end`"
- msgnum="`cat $dotest/msgnum`"
- onto="`cat $dotest/onto`"
+ prev_head=$(cat "$dotest/prev_head")
+ end=$(cat "$dotest/end")
+ msgnum=$(cat "$dotest/msgnum")
+ onto=$(cat "$dotest/onto")
continue_merge
while test "$msgnum" -le "$end"
do
finish_rb_merge
exit
fi
- git am --resolved --3way --resolvemsg="$RESOLVEMSG"
+ head_name=$(cat .dotest/head-name) &&
+ onto=$(cat .dotest/onto) &&
+ orig_head=$(cat .dotest/orig-head) &&
+ git am --resolved --3way --resolvemsg="$RESOLVEMSG" &&
+ move_to_original_branch
exit
;;
--skip)
+ git reset --hard HEAD || exit $?
if test -d "$dotest"
then
git rerere clear
- prev_head="`cat $dotest/prev_head`"
- end="`cat $dotest/end`"
- msgnum="`cat $dotest/msgnum`"
+ prev_head=$(cat "$dotest/prev_head")
+ end=$(cat "$dotest/end")
+ msgnum=$(cat "$dotest/msgnum")
msgnum=$(($msgnum + 1))
- onto="`cat $dotest/onto`"
+ onto=$(cat "$dotest/onto")
while test "$msgnum" -le "$end"
do
call_merge "$msgnum"
finish_rb_merge
exit
fi
- git am -3 --skip --resolvemsg="$RESOLVEMSG"
+ head_name=$(cat .dotest/head-name) &&
+ onto=$(cat .dotest/onto) &&
+ orig_head=$(cat .dotest/orig-head) &&
+ git am -3 --skip --resolvemsg="$RESOLVEMSG" &&
+ move_to_original_branch
exit
;;
--abort)
git rerere clear
if test -d "$dotest"
then
- rm -r "$dotest"
+ move_to_original_branch
elif test -d .dotest
then
- rm -r .dotest
+ dotest=.dotest
+ move_to_original_branch
else
die "No rebase in progress?"
fi
- git reset --hard ORIG_HEAD
+ git reset --hard $(cat $dotest/orig-head)
+ rm -r "$dotest"
exit
;;
--onto)
# The tree must be really really clean.
git update-index --refresh || exit
-diff=$(git diff-index --cached --name-status -r HEAD)
+diff=$(git diff-index --cached --name-status -r HEAD --)
case "$diff" in
?*) echo "cannot rebase: your index is not up-to-date"
echo "$diff"
}
fi
-# If the branch to rebase is given, first switch to it.
+# If the branch to rebase is given, that is the branch we will rebase
+# $branch_name -- branch being rebased, or HEAD (already detached)
+# $orig_head -- commit object name of tip of the branch before rebasing
+# $head_name -- refs/heads/<that-branch> or "detached HEAD"
+switch_to=
case "$#" in
2)
+ # Is it "rebase other $branchname" or "rebase other $commit"?
branch_name="$2"
- git-checkout "$2" || usage
+ switch_to="$2"
+
+ if git show-ref --verify --quiet -- "refs/heads/$2" &&
+ branch=$(git rev-parse --verify "refs/heads/$2" 2>/dev/null)
+ then
+ head_name="refs/heads/$2"
+ elif branch=$(git rev-parse --verify "$2" 2>/dev/null)
+ then
+ head_name="detached HEAD"
+ else
+ usage
+ fi
;;
*)
+ # Do not need to switch branches, we are already on it.
if branch_name=`git symbolic-ref -q HEAD`
then
+ head_name=$branch_name
branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'`
else
+ head_name="detached HEAD"
branch_name=HEAD ;# detached
fi
+ branch=$(git rev-parse --verify "${branch_name}^0") || exit
;;
esac
-branch=$(git rev-parse --verify "${branch_name}^0") || exit
+orig_head=$branch
# Now we are rebasing commits $upstream..$branch on top of $onto
# linear history?
! git rev-list --parents "$onto".."$branch" | grep " .* " > /dev/null
then
+ # Lazily switch to the target branch if needed...
+ test -z "$switch_to" || git checkout "$switch_to"
echo >&2 "Current branch $branch_name is up to date."
exit 0
fi
GIT_PAGER='' git diff --stat --summary "$mb" "$onto"
fi
-# Rewind the head to "$onto"; this saves our current head in ORIG_HEAD.
+# Detach HEAD and reset the tree
echo "First, rewinding head to replay your work on top of it..."
-git-reset --hard "$onto"
+git checkout "$onto^0" >/dev/null 2>&1 ||
+ die "could not detach HEAD"
+# git reset --hard "$onto^0"
# If the $onto is a proper descendant of the tip of the branch, then
# we just fast forwarded.
if test "$mb" = "$branch"
then
echo >&2 "Fast-forwarded $branch_name to $onto_name."
+ move_to_original_branch
exit 0
fi
if test -z "$do_merge"
then
- 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 $?
+ git format-patch -k --stdout --full-index --ignore-if-in-upstream \
+ "$upstream..$orig_head" |
+ git am $git_am_opt --rebasing --resolvemsg="$RESOLVEMSG" &&
+ move_to_original_branch
+ ret=$?
+ test 0 != $ret -a -d .dotest &&
+ echo $head_name > .dotest/head-name &&
+ echo $onto > .dotest/onto &&
+ echo $orig_head > .dotest/orig-head
+ exit $ret
fi
# start doing a rebase with git-merge
mkdir -p "$dotest"
echo "$onto" > "$dotest/onto"
echo "$onto_name" > "$dotest/onto_name"
-prev_head=`git rev-parse HEAD^0`
+prev_head=$orig_head
echo "$prev_head" > "$dotest/prev_head"
+echo "$orig_head" > "$dotest/orig-head"
+echo "$head_name" > "$dotest/head-name"
msgnum=0
-for cmt in `git rev-list --reverse --no-merges "$upstream"..ORIG_HEAD`
+for cmt in `git rev-list --reverse --no-merges "$upstream..$orig_head"`
do
msgnum=$(($msgnum + 1))
echo "$cmt" > "$dotest/cmt.$msgnum"