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-rwxr-xr-xgit-rebase.sh226
1 files changed, 183 insertions, 43 deletions
diff --git a/git-rebase.sh b/git-rebase.sh
index 55da9db818..7973447645 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -9,29 +9,32 @@ 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>]
-git-rebase --continue | --abort | --skip | --edit-todo
+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
+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
+X,strategy-option=! pass the argument through to the merge strategy
no-ff! cherry-pick all commits, even if unchanged
+f,force-rebase! cherry-pick all commits, even if unchanged
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
-f,force-rebase! force rebase even if branch is up to date
-X,strategy-option=! pass the argument through to the merge strategy
+allow-empty-message allow rebasing commits with empty messages
stat! display a diffstat of what changed upstream
n,no-stat! do not show diffstat of what changed upstream
verify allow pre-rebase hook to run
rerere-autoupdate allow rerere to update index with resolved conflicts
root! rebase all reachable commits up to the root(s)
autosquash move commits that begin with squash!/fixup! under -i
+signoff add a Signed-off-by: line to each commit
committer-date-is-author-date! passed to 'git am'
ignore-date! passed to 'git am'
whitespace=! passed to 'git apply'
@@ -43,9 +46,10 @@ continue! continue
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
-. git-sh-i18n
set_reflog_action rebase
require_work_tree_exists
cd_to_toplevel
@@ -54,10 +58,12 @@ LF='
'
ok_to_skip_pre_rebase=
resolvemsg="
-$(gettext 'When you have resolved this problem, run "git rebase --continue".
-If you prefer to skip this patch, run "git rebase --skip" instead.
-To check out the original branch and stop rebasing, run "git rebase --abort".')
+$(gettext 'Resolve all conflicts manually, mark them as resolved with
+"git add/rm <conflicted_files>", then run "git rebase --continue".
+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=
@@ -72,6 +78,7 @@ test "$(git config --bool rebase.stat)" = true && diffstat=t
autostash="$(git config --bool rebase.autostash || echo false)"
fork_point=auto
git_am_opt=
+git_format_patch_opt=
rebase_root=
force_rebase=
allow_rerere_autoupdate=
@@ -83,11 +90,18 @@ 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=--allow-empty-message
+signoff=
test "$(git config --bool rebase.autosquash)" = "true" && autosquash=t
-gpg_sign_opt=
+case "$(git config --bool commit.gpgsign)" in
+true) gpg_sign_opt=-S ;;
+*) gpg_sign_opt= ;;
+esac
read_basic_state () {
test -f "$state_dir/head-name" &&
@@ -112,6 +126,10 @@ read_basic_state () {
allow_rerere_autoupdate="$(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 "$state_dir"/signoff)"
+ force_rebase=t
+ }
}
write_basic_state () {
@@ -126,6 +144,7 @@ write_basic_state () {
test -n "$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 () {
@@ -151,7 +170,7 @@ move_to_original_branch () {
git symbolic-ref \
-m "rebase finished: returning to $head_name" \
HEAD $head_name ||
- die "$(gettext "Could not move back to $head_name")"
+ die "$(eval_gettext "Could not move back to \$head_name")"
;;
esac
}
@@ -160,23 +179,24 @@ apply_autostash () {
if test -f "$state_dir/autostash"
then
stash_sha1=$(cat "$state_dir/autostash")
- if git stash apply $stash_sha1 2>&1 >/dev/null
+ if git stash apply $stash_sha1 >/dev/null 2>&1
then
- echo "$(gettext 'Applied autostash.')"
+ echo "$(gettext 'Applied autostash.')" >&2
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.
-'
+' >&2
fi
fi
}
finish_rebase () {
+ rm -f "$(git rev-parse --git-path REBASE_HEAD)"
apply_autostash &&
- git gc --auto &&
+ { git gc --auto || true; } &&
rm -rf "$state_dir"
}
@@ -187,6 +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 $ret -eq 0
then
@@ -202,15 +230,15 @@ run_specific_rebase () {
run_pre_rebase_hook () {
if test -z "$ok_to_skip_pre_rebase" &&
- test -x "$GIT_DIR/hooks/pre-rebase"
+ test -x "$(git rev-parse --git-path hooks/pre-rebase)"
then
- "$GIT_DIR/hooks/pre-rebase" ${1+"$@"} ||
+ "$(git rev-parse --git-path hooks/pre-rebase)" ${1+"$@"} ||
die "$(gettext "The pre-rebase hook refused to rebase.")"
fi
}
test -f "$apply_dir"/applying &&
- die "$(gettext "It looks like git-am is in progress. Cannot rebase.")"
+ die "$(gettext "It looks like 'git am' is in progress. Cannot rebase.")"
if test -d "$apply_dir"
then
@@ -218,7 +246,12 @@ then
state_dir="$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
@@ -239,7 +272,7 @@ do
--verify)
ok_to_skip_pre_rebase=
;;
- --continue|--skip|--abort|--edit-todo)
+ --continue|--skip|--abort|--quit|--edit-todo|--show-current-patch)
test $total_argc -eq 2 || usage
action=${1##--}
;;
@@ -248,6 +281,7 @@ do
;;
--exec=*)
cmd="${cmd}exec ${1#--exec=}${LF}"
+ test -z "$interactive_rebase" && interactive_rebase=implied
;;
--interactive)
interactive_rebase=explicit
@@ -255,6 +289,25 @@ do
--keep-empty)
keep_empty=yes
;;
+ --allow-empty-message)
+ allow_empty_message=--allow-empty-message
+ ;;
+ --no-keep-empty)
+ keep_empty=
+ ;;
+ --rebase-merges)
+ rebase_merges=t
+ test -z "$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 "$interactive_rebase" && interactive_rebase=implied
@@ -275,7 +328,7 @@ do
do_merge=t
;;
--strategy-option=*)
- strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--${1#--strategy-option=}")"
+ strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--${1#--strategy-option=}" | sed -e s/^.//)"
do_merge=t
test -z "$strategy" && strategy=recursive
;;
@@ -292,6 +345,9 @@ do
--autostash)
autostash=true
;;
+ --no-autostash)
+ autostash=false
+ ;;
--verbose)
verbose=t
diffstat=t
@@ -314,6 +370,12 @@ do
--ignore-whitespace)
git_am_opt="$git_am_opt $1"
;;
+ --signoff)
+ signoff=--signoff
+ ;;
+ --no-signoff)
+ signoff=
+ ;;
--committer-date-is-author-date|--ignore-date)
git_am_opt="$git_am_opt $1"
force_rebase=t
@@ -340,29 +402,26 @@ do
shift
break
;;
+ *)
+ usage
+ ;;
esac
shift
done
test $# -gt 2 && usage
-if test -n "$cmd" &&
- test "$interactive_rebase" != explicit
-then
- die "$(gettext "The --exec option must be used with the --interactive option")"
-fi
-
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 "$(gettext "The --edit-todo action can only be used during interactive rebase.")"
fi
@@ -399,9 +458,16 @@ abort)
finish_rebase
exit
;;
+quit)
+ exec rm -rf "$state_dir"
+ ;;
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
@@ -426,9 +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 "$do_merge"
then
@@ -439,6 +516,54 @@ else
state_dir="$apply_dir"
fi
+if test -t 2 && test -z "$GIT_QUIET"
+then
+ git_format_patch_opt="$git_format_patch_opt --progress"
+fi
+
+if test -n "$git_am_opt"; then
+ incompatible_opts=$(echo " $git_am_opt " | \
+ sed -e 's/ -q / /g' -e 's/^ \(.*\) $/\1/')
+ if test -n "$interactive_rebase"
+ then
+ if test -n "$incompatible_opts"
+ then
+ die "$(gettext "error: cannot combine interactive options (--interactive, --exec, --rebase-merges, --preserve-merges, --keep-empty, --root + --onto) with am options ($incompatible_opts)")"
+ fi
+ fi
+ if test -n "$do_merge"; then
+ if test -n "$incompatible_opts"
+ then
+ die "$(gettext "error: cannot combine merge options (--merge, --strategy, --strategy-option) with am options ($incompatible_opts)")"
+ fi
+ fi
+fi
+
+if test -n "$signoff"
+then
+ test -n "$preserve_merges" &&
+ die "$(gettext "error: cannot combine '--signoff' with '--preserve-merges'")"
+ git_am_opt="$git_am_opt $signoff"
+ force_rebase=t
+fi
+
+if test -n "$preserve_merges"
+then
+ # Note: incompatibility with --signoff handled in signoff block above
+ # Note: incompatibility with --interactive is just a strong warning;
+ # git-rebase.txt caveats with "unless you know what you are doing"
+ test -n "$rebase_merges" &&
+ die "$(gettext "error: cannot combine '--preserve_merges' with '--rebase-merges'")"
+fi
+
+if test -n "$rebase_merges"
+then
+ test -n "$strategy_opts" &&
+ die "$(gettext "error: cannot combine '--rebase_merges' with '--strategy-option'")"
+ test -n "$strategy" &&
+ die "$(gettext "error: cannot combine '--rebase_merges' with '--strategy'")"
+fi
+
if test -z "$rebase_root"
then
case "$#" in
@@ -448,7 +573,7 @@ then
then
. git-parse-remote
error_on_missing_default_upstream "rebase" "rebase" \
- "against" "git rebase <branch>"
+ "against" "git rebase $(gettext '<branch>')"
fi
test "$fork_point" = auto && fork_point=t
@@ -462,7 +587,7 @@ then
;;
esac
upstream=$(peel_committish "${upstream_name}") ||
- die "$(eval_gettext "invalid upstream \$upstream_name")"
+ die "$(eval_gettext "invalid upstream '\$upstream_name'")"
upstream_arg="$upstream_name"
else
if test -z "$onto"
@@ -503,7 +628,7 @@ case "$onto_name" in
esac
# If the branch to rebase is given, that is the branch we will rebase
-# $branch_name -- branch being rebased, or HEAD (already detached)
+# $branch_name -- branch/commit being rebased, or HEAD (already detached)
# $orig_head -- commit object name of tip of the branch before rebasing
# $head_name -- refs/heads/<that-branch> or "detached HEAD"
switch_to=
@@ -513,15 +638,18 @@ case "$#" in
branch_name="$1"
switch_to="$1"
- if git show-ref --verify --quiet -- "refs/heads/$1" &&
- orig_head=$(git rev-parse -q --verify "refs/heads/$1")
+ # Is it a local branch?
+ if git show-ref --verify --quiet -- "refs/heads/$branch_name" &&
+ orig_head=$(git rev-parse -q --verify "refs/heads/$branch_name")
then
- head_name="refs/heads/$1"
- elif orig_head=$(git rev-parse -q --verify "$1")
+ head_name="refs/heads/$branch_name"
+ # If not is it a valid ref (branch or commit)?
+ elif orig_head=$(git rev-parse -q --verify "$branch_name")
then
head_name="detached HEAD"
+
else
- die "$(eval_gettext "fatal: no such branch: \$branch_name")"
+ die "$(eval_gettext "fatal: no such branch/commit '\$branch_name'")"
fi
;;
0)
@@ -532,7 +660,7 @@ case "$#" in
branch_name=$(expr "z$branch_name" : 'zrefs/heads/\(.*\)')
else
head_name="detached HEAD"
- branch_name=HEAD ;# detached
+ branch_name=HEAD
fi
orig_head=$(git rev-parse --verify HEAD) || exit
;;
@@ -572,7 +700,7 @@ require_clean_work_tree "rebase" "$(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
@@ -582,12 +710,24 @@ then
# Lazily switch to the target branch if needed...
test -z "$switch_to" ||
GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to" \
- git checkout "$switch_to" --
- say "$(eval_gettext "Current branch \$branch_name is up to date.")"
+ git checkout -q "$switch_to" --
+ if test "$branch_name" = "HEAD" &&
+ ! git symbolic-ref -q HEAD
+ then
+ say "$(eval_gettext "HEAD is up to date.")"
+ else
+ say "$(eval_gettext "Current branch \$branch_name is up to date.")"
+ fi
finish_rebase
exit 0
else
- say "$(eval_gettext "Current branch \$branch_name is up to date, rebase forced.")"
+ if test "$branch_name" = "HEAD" &&
+ ! git symbolic-ref -q HEAD
+ then
+ say "$(eval_gettext "HEAD is up to date, rebase forced.")"
+ else
+ say "$(eval_gettext "Current branch \$branch_name is up to date, rebase forced.")"
+ fi
fi
fi
@@ -604,7 +744,7 @@ then
GIT_PAGER='' git diff --stat --summary "$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...")"