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-rwxr-xr-xgit-rebase.sh116
1 files changed, 72 insertions, 44 deletions
diff --git a/git-rebase.sh b/git-rebase.sh
index 226752fbff..06c810b64f 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>]
@@ -14,6 +15,7 @@ git-rebase --continue | --abort | --skip | --edit-todo
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
@@ -35,6 +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
@@ -66,6 +69,7 @@ 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=
@@ -82,6 +86,7 @@ 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" &&
@@ -104,6 +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 () {
@@ -117,6 +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" > "$state_dir"/gpg_sign_opt
}
output () {
@@ -147,7 +155,7 @@ move_to_original_branch () {
esac
}
-finish_rebase () {
+apply_autostash () {
if test -f "$state_dir/autostash"
then
stash_sha1=$(cat "$state_dir/autostash")
@@ -163,30 +171,30 @@ You can run "git stash pop" or "git stash drop" at any time.
'
fi
fi
+}
+
+finish_rebase () {
+ apply_autostash &&
git gc --auto &&
rm -rf "$state_dir"
}
-run_specific_rebase_internal () {
+run_specific_rebase () {
if [ "$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
+ elif test $ret -eq 2 # special exit status for rebase -i
+ then
+ apply_autostash &&
+ rm -rf "$state_dir" &&
+ die "Nothing to do"
fi
exit $ret
}
@@ -234,23 +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 "$interactive_rebase" && interactive_rebase=implied
;;
@@ -260,21 +264,25 @@ do
--no-autosquash)
autosquash=
;;
- -M|-m)
+ --fork-point)
+ fork_point=t
+ ;;
+ --no-fork-point)
+ fork_point=
+ ;;
+ --merge)
do_merge=t
;;
- -X)
- shift
- strategy_opts="$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)
@@ -283,21 +291,20 @@ do
--autostash)
autostash=true
;;
- -v)
+ --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
;;
@@ -310,19 +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
@@ -437,8 +449,14 @@ then
error_on_missing_default_upstream "rebase" "rebase" \
"against" "git rebase <branch>"
fi
+
+ test "$fork_point" = auto && fork_point=t
;;
*) upstream_name="$1"
+ if test "$upstream_name" = "-"
+ then
+ upstream_name="@{-1}"
+ fi
shift
;;
esac
@@ -448,8 +466,8 @@ then
else
if test -z "$onto"
then
- empty_tree=`git hash-object -t tree /dev/null`
- onto=`git commit-tree $empty_tree </dev/null`
+ empty_tree=$(git hash-object -t tree /dev/null)
+ onto=$(git commit-tree $empty_tree </dev/null)
squash_onto="$onto"
fi
unset upstream_name
@@ -507,10 +525,10 @@ case "$#" in
;;
0)
# Do not need to switch branches, we are already on it.
- if branch_name=`git symbolic-ref -q HEAD`
+ if branch_name=$(git symbolic-ref -q HEAD)
then
head_name=$branch_name
- branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'`
+ branch_name=$(expr "z$branch_name" : 'zrefs/heads/\(.*\)')
else
head_name="detached HEAD"
branch_name=HEAD ;# detached
@@ -522,6 +540,16 @@ case "$#" in
;;
esac
+if test "$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") ||