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-rwxr-xr-xgit-rebase.sh156
1 files changed, 120 insertions, 36 deletions
diff --git a/git-rebase.sh b/git-rebase.sh
index b2f1c76dc3..5f6732bf3d 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -5,6 +5,7 @@
SUBDIRECTORY_OK=Yes
OPTIONS_KEEPDASHDASH=
+OPTIONS_STUCKLONG=t
OPTIONS_SPEC="\
git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] [<upstream>] [<branch>]
git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] --root [<branch>]
@@ -13,6 +14,8 @@ git-rebase --continue | --abort | --skip | --edit-todo
Available options are
v,verbose! display a diffstat of what changed upstream
q,quiet! be quiet. implies --no-stat
+autostash! automatically stash/stash pop before and after
+fork-point use 'merge-base --fork-point' to refine upstream
onto=! rebase onto given branch instead of upstream
p,preserve-merges! try to recreate merges instead of ignoring them
s,strategy=! use the given merge strategy
@@ -34,6 +37,7 @@ ignore-date! passed to 'git am'
whitespace=! passed to 'git apply'
ignore-whitespace! passed to 'git apply'
C=! passed to 'git apply'
+S,gpg-sign? GPG-sign commits
Actions:
continue! continue
abort! abort and check out the original branch
@@ -64,6 +68,8 @@ apply_dir="$GIT_DIR"/rebase-apply
verbose=
diffstat=
test "$(git config --bool rebase.stat)" = true && diffstat=t
+autostash="$(git config --bool rebase.autostash || echo false)"
+fork_point=auto
git_am_opt=
rebase_root=
force_rebase=
@@ -80,8 +86,11 @@ preserve_merges=
autosquash=
keep_empty=
test "$(git config --bool rebase.autosquash)" = "true" && autosquash=t
+gpg_sign_opt=
read_basic_state () {
+ test -f "$state_dir/head-name" &&
+ test -f "$state_dir/onto" &&
head_name=$(cat "$state_dir"/head-name) &&
onto=$(cat "$state_dir"/onto) &&
# We always write to orig-head, but interactive rebase used to write to
@@ -100,6 +109,8 @@ read_basic_state () {
strategy_opts="$(cat "$state_dir"/strategy_opts)"
test -f "$state_dir"/allow_rerere_autoupdate &&
allow_rerere_autoupdate="$(cat "$state_dir"/allow_rerere_autoupdate)"
+ test -f "$state_dir"/gpg_sign_opt &&
+ gpg_sign_opt="$(cat "$state_dir"/gpg_sign_opt)"
}
write_basic_state () {
@@ -113,6 +124,7 @@ write_basic_state () {
"$state_dir"/strategy_opts
test -n "$allow_rerere_autoupdate" && echo "$allow_rerere_autoupdate" > \
"$state_dir"/allow_rerere_autoupdate
+ test -n "$gpg_sign_opt" && echo "$gpg_sign_opt" > "$state_dir"/gpg_sign_opt
}
output () {
@@ -143,15 +155,50 @@ move_to_original_branch () {
esac
}
-run_specific_rebase () {
+finish_rebase () {
+ if test -f "$state_dir/autostash"
+ then
+ stash_sha1=$(cat "$state_dir/autostash")
+ if git stash apply $stash_sha1 2>&1 >/dev/null
+ then
+ echo "$(gettext 'Applied autostash.')"
+ else
+ git stash store -m "autostash" -q $stash_sha1 ||
+ die "$(eval_gettext "Cannot store \$stash_sha1")"
+ gettext 'Applying autostash resulted in conflicts.
+Your changes are safe in the stash.
+You can run "git stash pop" or "git stash drop" at any time.
+'
+ fi
+ fi
+ git gc --auto &&
+ rm -rf "$state_dir"
+}
+
+run_specific_rebase_internal () {
if [ "$interactive_rebase" = implied ]; then
GIT_EDITOR=:
export GIT_EDITOR
autosquash=
fi
+ # On FreeBSD, the shell's "return" returns from the current
+ # function, not from the current file inclusion.
+ # run_specific_rebase_internal has the file inclusion as a
+ # last statement, so POSIX and FreeBSD's return will do the
+ # same thing.
. git-rebase--$type
}
+run_specific_rebase () {
+ run_specific_rebase_internal
+ ret=$?
+ if test $ret -eq 0
+ then
+ finish_rebase
+ fi
+ exit $ret
+}
+
run_pre_rebase_hook () {
if test -z "$ok_to_skip_pre_rebase" &&
test -x "$GIT_DIR/hooks/pre-rebase"
@@ -195,23 +242,19 @@ do
test $total_argc -eq 2 || usage
action=${1##--}
;;
- --onto)
- test 2 -le "$#" || usage
- onto="$2"
- shift
+ --onto=*)
+ onto="${1#--onto=}"
;;
- -x)
- test 2 -le "$#" || usage
- cmd="${cmd}exec $2${LF}"
- shift
+ --exec=*)
+ cmd="${cmd}exec ${1#--exec=}${LF}"
;;
- -i)
+ --interactive)
interactive_rebase=explicit
;;
- -k)
+ --keep-empty)
keep_empty=yes
;;
- -p)
+ --preserve-merges)
preserve_merges=t
test -z "$interactive_rebase" && interactive_rebase=implied
;;
@@ -221,41 +264,47 @@ do
--no-autosquash)
autosquash=
;;
- -M|-m)
+ --fork-point)
+ fork_point=t
+ ;;
+ --no-fork-point)
+ fork_point=
+ ;;
+ --merge)
do_merge=t
;;
- -X)
- shift
- strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--$1")"
+ --strategy-option=*)
+ strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--${1#--strategy-option=}")"
do_merge=t
test -z "$strategy" && strategy=recursive
;;
- -s)
- shift
- strategy="$1"
+ --strategy=*)
+ strategy="${1#--strategy=}"
do_merge=t
;;
- -n)
+ --no-stat)
diffstat=
;;
--stat)
diffstat=t
;;
- -v)
+ --autostash)
+ autostash=true
+ ;;
+ --verbose)
verbose=t
diffstat=t
GIT_QUIET=
;;
- -q)
+ --quiet)
GIT_QUIET=t
git_am_opt="$git_am_opt -q"
verbose=
diffstat=
;;
- --whitespace)
- shift
- git_am_opt="$git_am_opt --whitespace=$1"
- case "$1" in
+ --whitespace=*)
+ git_am_opt="$git_am_opt --whitespace=${1#--whitespace=}"
+ case "${1#--whitespace=}" in
fix|strip)
force_rebase=t
;;
@@ -268,19 +317,24 @@ do
git_am_opt="$git_am_opt $1"
force_rebase=t
;;
- -C)
- shift
- git_am_opt="$git_am_opt -C$1"
+ -C*)
+ git_am_opt="$git_am_opt $1"
;;
--root)
rebase_root=t
;;
- -f|--no-ff)
+ --force-rebase|--no-ff)
force_rebase=t
;;
--rerere-autoupdate|--no-rerere-autoupdate)
allow_rerere_autoupdate="$1"
;;
+ --gpg-sign)
+ gpg_sign_opt=-S
+ ;;
+ --gpg-sign=*)
+ gpg_sign_opt="-S${1#--gpg-sign=}"
+ ;;
--)
shift
break
@@ -341,7 +395,7 @@ abort)
;;
esac
output git reset --hard $orig_head
- rm -r "$state_dir"
+ finish_rebase
exit
;;
edit-todo)
@@ -395,12 +449,14 @@ then
error_on_missing_default_upstream "rebase" "rebase" \
"against" "git rebase <branch>"
fi
+
+ test "$fork_point" = auto && fork_point=t
;;
*) upstream_name="$1"
shift
;;
esac
- upstream=`git rev-parse --verify "${upstream_name}^0"` ||
+ upstream=$(peel_committish "${upstream_name}") ||
die "$(eval_gettext "invalid upstream \$upstream_name")"
upstream_arg="$upstream_name"
else
@@ -436,7 +492,7 @@ case "$onto_name" in
fi
;;
*)
- onto=$(git rev-parse --verify "${onto_name}^0") ||
+ onto=$(peel_committish "$onto_name") ||
die "$(eval_gettext "Does not point to a valid commit: \$onto_name")"
;;
esac
@@ -473,13 +529,35 @@ case "$#" in
head_name="detached HEAD"
branch_name=HEAD ;# detached
fi
- orig_head=$(git rev-parse --verify "${branch_name}^0") || exit
+ orig_head=$(git rev-parse --verify HEAD) || exit
;;
*)
die "BUG: unexpected number of arguments left to parse"
;;
esac
+if test "$fork_point" = t
+then
+ new_upstream=$(git merge-base --fork-point "$upstream_name" \
+ "${switch_to:-HEAD}")
+ if test -n "$new_upstream"
+ then
+ upstream=$new_upstream
+ fi
+fi
+
+if test "$autostash" = true && ! (require_clean_work_tree) 2>/dev/null
+then
+ stash_sha1=$(git stash create "autostash") ||
+ die "$(gettext 'Cannot autostash')"
+
+ mkdir -p "$state_dir" &&
+ echo $stash_sha1 >"$state_dir/autostash" &&
+ stash_abbrev=$(git rev-parse --short $stash_sha1) &&
+ echo "$(eval_gettext 'Created autostash: $stash_abbrev')" &&
+ git reset --hard
+fi
+
require_clean_work_tree "rebase" "$(gettext "Please commit or stash them.")"
# Now we are rebasing commits $upstream..$orig_head (or with --root,
@@ -497,8 +575,11 @@ then
if test -z "$force_rebase"
then
# Lazily switch to the target branch if needed...
- test -z "$switch_to" || git checkout "$switch_to" --
+ test -z "$switch_to" ||
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to" \
+ git checkout "$switch_to" --
say "$(eval_gettext "Current branch \$branch_name is up to date.")"
+ finish_rebase
exit 0
else
say "$(eval_gettext "Current branch \$branch_name is up to date, rebase forced.")"
@@ -522,7 +603,9 @@ test "$type" = interactive && run_specific_rebase
# Detach HEAD and reset the tree
say "$(gettext "First, rewinding head to replay your work on top of it...")"
-git checkout -q "$onto^0" || die "could not detach HEAD"
+
+GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name" \
+ git checkout -q "$onto^0" || die "could not detach HEAD"
git update-ref ORIG_HEAD $orig_head
# If the $onto is a proper descendant of the tip of the branch, then
@@ -531,6 +614,7 @@ if test "$mb" = "$orig_head"
then
say "$(eval_gettext "Fast-forwarded \$branch_name to \$onto_name.")"
move_to_original_branch
+ finish_rebase
exit 0
fi