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-rwxr-xr-xgit-rebase.sh91
1 files changed, 83 insertions, 8 deletions
diff --git a/git-rebase.sh b/git-rebase.sh
index fd72a35c65..19bdebb480 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -17,6 +17,7 @@ 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
+r,rebase-merges? try to rebase merges instead of skipping them
p,preserve-merges! try to recreate merges instead of ignoring them
s,strategy=! use the given merge strategy
no-ff! cherry-pick all commits, even if unchanged
@@ -24,6 +25,7 @@ m,merge! use merging strategies to rebase
i,interactive! let the user edit the list of commits to rebase
x,exec=! add exec lines after each commit of the editable list
k,keep-empty preserve empty commits during rebase
+allow-empty-message allow rebasing commits with empty messages
f,force-rebase! force rebase even if branch is up to date
X,strategy-option=! pass the argument through to the merge strategy
stat! display a diffstat of what changed upstream
@@ -45,6 +47,7 @@ abort! abort and check out the original branch
skip! skip current patch and continue
edit-todo! edit the todo list during an interactive rebase
quit! abort but keep HEAD where it is
+show-current-patch! show the patch file being applied or merged
"
. git-sh-setup
set_reflog_action rebase
@@ -60,6 +63,7 @@ $(gettext 'Resolve all conflicts manually, mark them as resolved with
You can instead skip this commit: run "git rebase --skip".
To abort and get back to the state before "git rebase", run "git rebase --abort".')
"
+squash_onto=
unset onto
unset restrict_revision
cmd=
@@ -86,9 +90,13 @@ type=
state_dir=
# One of {'', continue, skip, abort}, as parsed from command line
action=
+rebase_merges=
+rebase_cousins=
preserve_merges=
autosquash=
keep_empty=
+allow_empty_message=
+signoff=
test "$(git config --bool rebase.autosquash)" = "true" && autosquash=t
case "$(git config --bool commit.gpgsign)" in
true) gpg_sign_opt=-S ;;
@@ -118,6 +126,10 @@ read_basic_state () {
allow_rerere_autoupdate="$(cat "$state_dir"/allow_rerere_autoupdate)"
test -f "$state_dir"/gpg_sign_opt &&
gpg_sign_opt="$(cat "$state_dir"/gpg_sign_opt)"
+ test -f "$state_dir"/signoff && {
+ signoff="$(cat "$state_dir"/signoff)"
+ force_rebase=t
+ }
}
write_basic_state () {
@@ -132,6 +144,7 @@ write_basic_state () {
test -n "$allow_rerere_autoupdate" && echo "$allow_rerere_autoupdate" > \
"$state_dir"/allow_rerere_autoupdate
test -n "$gpg_sign_opt" && echo "$gpg_sign_opt" > "$state_dir"/gpg_sign_opt
+ test -n "$signoff" && echo "$signoff" >"$state_dir"/signoff
}
output () {
@@ -181,6 +194,7 @@ You can run "git stash pop" or "git stash drop" at any time.
}
finish_rebase () {
+ rm -f "$(git rev-parse --git-path REBASE_HEAD)"
apply_autostash &&
{ git gc --auto || true; } &&
rm -rf "$state_dir"
@@ -193,6 +207,14 @@ run_specific_rebase () {
autosquash=
fi
. git-rebase--$type
+
+ if test -z "$preserve_merges"
+ then
+ git_rebase__$type
+ else
+ git_rebase__preserve_merges
+ fi
+
ret=$?
if test $ret -eq 0
then
@@ -224,7 +246,12 @@ then
state_dir="$apply_dir"
elif test -d "$merge_dir"
then
- if test -f "$merge_dir"/interactive
+ if test -d "$merge_dir"/rewritten
+ then
+ type=preserve-merges
+ interactive_rebase=explicit
+ preserve_merges=t
+ elif test -f "$merge_dir"/interactive
then
type=interactive
interactive_rebase=explicit
@@ -245,7 +272,7 @@ do
--verify)
ok_to_skip_pre_rebase=
;;
- --continue|--skip|--abort|--quit|--edit-todo)
+ --continue|--skip|--abort|--quit|--edit-todo|--show-current-patch)
test $total_argc -eq 2 || usage
action=${1##--}
;;
@@ -262,6 +289,25 @@ do
--keep-empty)
keep_empty=yes
;;
+ --allow-empty-message)
+ allow_empty_message=--allow-empty-message
+ ;;
+ --no-keep-empty)
+ keep_empty=
+ ;;
+ --rebase-merges)
+ rebase_merges=t
+ test -z "$interactive_rebase" && interactive_rebase=implied
+ ;;
+ --rebase-merges=*)
+ rebase_merges=t
+ case "${1#*=}" in
+ rebase-cousins) rebase_cousins=t;;
+ no-rebase-cousins) rebase_cousins=;;
+ *) die "Unknown mode: $1";;
+ esac
+ test -z "$interactive_rebase" && interactive_rebase=implied
+ ;;
--preserve-merges)
preserve_merges=t
test -z "$interactive_rebase" && interactive_rebase=implied
@@ -324,7 +370,13 @@ do
--ignore-whitespace)
git_am_opt="$git_am_opt $1"
;;
- --committer-date-is-author-date|--ignore-date|--signoff|--no-signoff)
+ --signoff)
+ signoff=--signoff
+ ;;
+ --no-signoff)
+ signoff=
+ ;;
+ --committer-date-is-author-date|--ignore-date)
git_am_opt="$git_am_opt $1"
force_rebase=t
;;
@@ -362,14 +414,14 @@ if test -n "$action"
then
test -z "$in_progress" && die "$(gettext "No rebase in progress?")"
# Only interactive rebase uses detailed reflog messages
- if test "$type" = interactive && test "$GIT_REFLOG_ACTION" = rebase
+ if test -n "$interactive_rebase" && test "$GIT_REFLOG_ACTION" = rebase
then
GIT_REFLOG_ACTION="rebase -i ($action)"
export GIT_REFLOG_ACTION
fi
fi
-if test "$action" = "edit-todo" && test "$type" != "interactive"
+if test "$action" = "edit-todo" && test -z "$interactive_rebase"
then
die "$(gettext "The --edit-todo action can only be used during interactive rebase.")"
fi
@@ -412,6 +464,10 @@ quit)
edit-todo)
run_specific_rebase
;;
+show-current-patch)
+ run_specific_rebase
+ die "BUG: run_specific_rebase is not supposed to return here"
+ ;;
esac
# Make sure no rebase is in progress
@@ -436,9 +492,20 @@ then
test -z "$interactive_rebase" && interactive_rebase=implied
fi
+if test -n "$keep_empty"
+then
+ test -z "$interactive_rebase" && interactive_rebase=implied
+fi
+
if test -n "$interactive_rebase"
then
- type=interactive
+ if test -z "$preserve_merges"
+ then
+ type=interactive
+ else
+ type=preserve-merges
+ fi
+
state_dir="$merge_dir"
elif test -n "$do_merge"
then
@@ -454,6 +521,14 @@ then
git_format_patch_opt="$git_format_patch_opt --progress"
fi
+if test -n "$signoff"
+then
+ test -n "$preserve_merges" &&
+ die "$(gettext "error: cannot combine '--signoff' with '--preserve-merges'")"
+ git_am_opt="$git_am_opt $signoff"
+ force_rebase=t
+fi
+
if test -z "$rebase_root"
then
case "$#" in
@@ -590,7 +665,7 @@ require_clean_work_tree "rebase" "$(gettext "Please commit or stash them.")"
# but this should be done only when upstream and onto are the same
# and if this is not an interactive rebase.
mb=$(git merge-base "$onto" "$orig_head")
-if test "$type" != interactive && test "$upstream" = "$onto" &&
+if test -z "$interactive_rebase" && test "$upstream" = "$onto" &&
test "$mb" = "$onto" && test -z "$restrict_revision" &&
# linear history?
! (git rev-list --parents "$onto".."$orig_head" | sane_grep " .* ") > /dev/null
@@ -634,7 +709,7 @@ then
GIT_PAGER='' git diff --stat --summary "$mb" "$onto"
fi
-test "$type" = interactive && run_specific_rebase
+test -n "$interactive_rebase" && run_specific_rebase
# Detach HEAD and reset the tree
say "$(gettext "First, rewinding head to replay your work on top of it...")"