# and leaves CR at the end instead.
cr=$(printf "\015")
+empty_tree=$(git hash-object -t tree /dev/null)
+
strategy_args=${strategy:+--strategy=$strategy}
test -n "$strategy_opts" &&
eval '
append_todo_help () {
gettext "
Commands:
-p, pick = use commit
-r, reword = use commit, but edit the commit message
-e, edit = use commit, but stop for amending
-s, squash = use commit, but meld into previous commit
-f, fixup = like \"squash\", but discard this commit's log message
-x, exec = run command (the rest of the line) using shell
-d, drop = remove commit
+p, pick <commit> = use commit
+r, reword <commit> = use commit, but edit the commit message
+e, edit <commit> = use commit, but stop for amending
+s, squash <commit> = use commit, but meld into previous commit
+f, fixup <commit> = like \"squash\", but discard this commit's log message
+x, exec <command> = run command (the rest of the line) using shell
+d, drop <commit> = remove commit
+l, label <label> = label current HEAD with a name
+t, reset <label> = reset HEAD to a label
+m, merge [-C <commit> | -c <commit>] <label> [# <oneline>]
+. create a merge commit using the original merge commit's
+. message (or the oneline, if no original merge commit was
+. specified). Use -c <commit> to reword the commit message.
These lines can be re-ordered; they are executed from top to bottom.
" | git stripspace --comment-lines >>"$todo"
die_with_patch () {
echo "$1" > "$state_dir"/stopped-sha
+ git update-ref REBASE_HEAD "$1"
make_patch "$1"
die "$2"
}
exit_with_patch () {
echo "$1" > "$state_dir"/stopped-sha
+ git update-ref REBASE_HEAD "$1"
make_patch $1
git rev-parse --verify HEAD > "$amend"
gpg_sign_opt_quoted=${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")}
die "$(eval_gettext "\$sha1: not a commit that can be picked")"
}
ptree=$(git rev-parse -q --verify "$1"^^{tree} 2>/dev/null) ||
- ptree=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+ ptree=$empty_tree
test "$tree" = "$ptree"
}
test -d "$rewritten" &&
pick_one_preserving_merges "$@" && return
- output eval git cherry-pick $allow_rerere_autoupdate \
+ output eval git cherry-pick $allow_rerere_autoupdate $allow_empty_message \
${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \
- "$strategy_args" $empty_args $ff "$@"
+ $signoff "$strategy_args" $empty_args $ff "$@"
# If cherry-pick dies it leaves the to-be-picked commit unrecorded. Reschedule
# previous task so this commit is not lost.
esac
sha1=$(git rev-parse $sha1)
- if test -f "$state_dir"/current-commit
+ if test -f "$state_dir"/current-commit && test "$fast_forward" = t
then
- if test "$fast_forward" = t
- then
- while read current_commit
- do
- git rev-parse HEAD > "$rewritten"/$current_commit
- done <"$state_dir"/current-commit
- rm "$state_dir"/current-commit ||
- die "$(gettext "Cannot write current commit's replacement sha1")"
- fi
+ while read current_commit
+ do
+ git rev-parse HEAD > "$rewritten"/$current_commit
+ done <"$state_dir"/current-commit
+ rm "$state_dir"/current-commit ||
+ die "$(gettext "Cannot write current commit's replacement sha1")"
fi
echo $sha1 >> "$state_dir"/current-commit
new_parents=${new_parents# $first_parent}
merge_args="--no-log --no-ff"
if ! do_with_author output eval \
- 'git merge ${gpg_sign_opt:+"$gpg_sign_opt"} \
- $allow_rerere_autoupdate $merge_args \
- $strategy_args -m "$msg_content" $new_parents'
+ git merge ${gpg_sign_opt:+$(git rev-parse \
+ --sq-quote "$gpg_sign_opt")} \
+ $allow_rerere_autoupdate "$merge_args" \
+ "$strategy_args" \
+ -m "$(git rev-parse --sq-quote "$msg_content")" \
+ "$new_parents"
then
printf "%s\n" "$msg_content" > "$GIT_DIR"/MERGE_MSG
die_with_patch $sha1 "$(eval_gettext "Error redoing merge \$sha1")"
;;
*)
output eval git cherry-pick $allow_rerere_autoupdate \
+ $allow_empty_message \
${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \
"$strategy_args" "$@" ||
die_with_patch $sha1 "$(eval_gettext "Could not pick \$sha1")"
# resolve before manually running git commit --amend then git
# rebase --continue.
git commit --allow-empty --allow-empty-message --amend \
- --no-post-rewrite -n -q -C $sha1 &&
+ --no-post-rewrite -n -q -C $sha1 $signoff &&
pick_one -n $sha1 &&
git commit --allow-empty --allow-empty-message \
- --amend --no-post-rewrite -n -q -C $sha1 \
+ --amend --no-post-rewrite -n -q -C $sha1 $signoff \
${gpg_sign_opt:+"$gpg_sign_opt"} ||
die_with_patch $sha1 "$(eval_gettext "Could not apply \$sha1... \$rest")"
else
mark_action_done
do_pick $sha1 "$rest"
- git commit --amend --no-post-rewrite ${gpg_sign_opt:+"$gpg_sign_opt"} || {
+ git commit --amend --no-post-rewrite ${gpg_sign_opt:+"$gpg_sign_opt"} \
+ $allow_empty_message || {
warn "$(eval_gettext "\
Could not amend commit after successfully picking \$sha1... \$rest
This is most likely due to an empty commit message, or the pre-commit hook
# This is an intermediate commit; its message will only be
# used in case of trouble. So use the long version:
do_with_author output git commit --amend --no-verify -F "$squash_msg" \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
+ ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message ||
die_failed_squash $sha1 "$rest"
;;
*)
if test -f "$fixup_msg"
then
do_with_author git commit --amend --no-verify -F "$fixup_msg" \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
+ ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message ||
die_failed_squash $sha1 "$rest"
else
cp "$squash_msg" "$GIT_DIR"/SQUASH_MSG || exit
rm -f "$GIT_DIR"/MERGE_MSG
do_with_author git commit --amend --no-verify -F "$GIT_DIR"/SQUASH_MSG -e \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
+ ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message ||
die_failed_squash $sha1 "$rest"
fi
rm -f "$squash_msg" "$fixup_msg"
git rebase--helper --shorten-ids
}
-# Add commands after a pick or after a squash/fixup series
-# in the todo list.
-add_exec_commands () {
- {
- first=t
- while read -r insn rest
- do
- case $insn in
- pick)
- test -n "$first" ||
- printf "%s" "$cmd"
- ;;
- esac
- printf "%s %s\n" "$insn" "$rest"
- first=
- done
- printf "%s" "$cmd"
- } <"$1" >"$1.new" &&
- mv "$1.new" "$1"
-}
-
# Switch to the branch in $into and notify it in the reflog
checkout_onto () {
GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name"
printf '%s' "$check_level" | tr 'A-Z' 'a-z'
}
-# The whole contents of this file is run by dot-sourcing it from
-# inside a shell function. It used to be that "return"s we see
-# below were not inside any function, and expected to return
-# to the function that dot-sourced us.
+# Initiate an action. If the cannot be any
+# further action it may exec a command
+# or exit and not return.
#
-# However, older (9.x) versions of FreeBSD /bin/sh misbehave on such a
-# construct and continue to run the statements that follow such a "return".
-# As a work-around, we introduce an extra layer of a function
-# here, and immediately call it after defining it.
-git_rebase__interactive () {
-
-case "$action" in
-continue)
- if test ! -d "$rewritten"
- then
- exec git rebase--helper ${force_rebase:+--no-ff} --continue
- fi
- # do we have anything to commit?
- if git diff-index --cached --quiet HEAD --
- then
- # Nothing to commit -- skip this commit
-
- test ! -f "$GIT_DIR"/CHERRY_PICK_HEAD ||
- rm "$GIT_DIR"/CHERRY_PICK_HEAD ||
- die "$(gettext "Could not remove CHERRY_PICK_HEAD")"
- else
- if ! test -f "$author_script"
+# TODO: Consider a cleaner return model so it
+# never exits and always return 0 if process
+# is complete.
+#
+# Parameter 1 is the action to initiate.
+#
+# Returns 0 if the action was able to complete
+# and if 1 if further processing is required.
+initiate_action () {
+ case "$1" in
+ continue)
+ if test ! -d "$rewritten"
then
- gpg_sign_opt_quoted=${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")}
- die "$(eval_gettext "\
+ exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
+ --continue
+ fi
+ # do we have anything to commit?
+ if git diff-index --cached --quiet HEAD --
+ then
+ # Nothing to commit -- skip this commit
+
+ test ! -f "$GIT_DIR"/CHERRY_PICK_HEAD ||
+ rm "$GIT_DIR"/CHERRY_PICK_HEAD ||
+ die "$(gettext "Could not remove CHERRY_PICK_HEAD")"
+ else
+ if ! test -f "$author_script"
+ then
+ gpg_sign_opt_quoted=${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")}
+ die "$(eval_gettext "\
You have staged changes in your working tree.
If these changes are meant to be
squashed into the previous commit, run:
git rebase --continue
")"
- fi
- . "$author_script" ||
- die "$(gettext "Error trying to find the author identity to amend commit")"
- if test -f "$amend"
- then
- current_head=$(git rev-parse --verify HEAD)
- test "$current_head" = $(cat "$amend") ||
- die "$(gettext "\
+ fi
+ . "$author_script" ||
+ die "$(gettext "Error trying to find the author identity to amend commit")"
+ if test -f "$amend"
+ then
+ current_head=$(git rev-parse --verify HEAD)
+ test "$current_head" = $(cat "$amend") ||
+ die "$(gettext "\
You have uncommitted changes in your working tree. Please commit them
first and then run 'git rebase --continue' again.")"
- do_with_author git commit --amend --no-verify -F "$msg" -e \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
- die "$(gettext "Could not commit staged changes.")"
- else
- do_with_author git commit --no-verify -F "$msg" -e \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
- die "$(gettext "Could not commit staged changes.")"
+ do_with_author git commit --amend --no-verify -F "$msg" -e \
+ ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message ||
+ die "$(gettext "Could not commit staged changes.")"
+ else
+ do_with_author git commit --no-verify -F "$msg" -e \
+ ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message ||
+ die "$(gettext "Could not commit staged changes.")"
+ fi
+ fi
+
+ if test -r "$state_dir"/stopped-sha
+ then
+ record_in_rewritten "$(cat "$state_dir"/stopped-sha)"
fi
- fi
- if test -r "$state_dir"/stopped-sha
+ require_clean_work_tree "rebase"
+ do_rest
+ return 0
+ ;;
+ skip)
+ git rerere clear
+
+ if test ! -d "$rewritten"
+ then
+ exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
+ --continue
+ fi
+ do_rest
+ return 0
+ ;;
+ edit-todo)
+ git stripspace --strip-comments <"$todo" >"$todo".new
+ mv -f "$todo".new "$todo"
+ collapse_todo_ids
+ append_todo_help
+ gettext "
+You are editing the todo file of an ongoing interactive rebase.
+To continue rebase after editing, run:
+ git rebase --continue
+
+" | git stripspace --comment-lines >>"$todo"
+
+ git_sequence_editor "$todo" ||
+ die "$(gettext "Could not execute editor")"
+ expand_todo_ids
+
+ exit
+ ;;
+ show-current-patch)
+ exec git show REBASE_HEAD --
+ ;;
+ *)
+ return 1 # continue
+ ;;
+ esac
+}
+
+setup_reflog_action () {
+ comment_for_reflog start
+
+ if test ! -z "$switch_to"
then
- record_in_rewritten "$(cat "$state_dir"/stopped-sha)"
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
+ output git checkout "$switch_to" -- ||
+ die "$(eval_gettext "Could not checkout \$switch_to")"
+
+ comment_for_reflog start
fi
+}
- require_clean_work_tree "rebase"
- do_rest
- return 0
- ;;
-skip)
- git rerere clear
+init_basic_state () {
+ orig_head=$(git rev-parse --verify HEAD) || die "$(gettext "No HEAD?")"
+ mkdir -p "$state_dir" || die "$(eval_gettext "Could not create temporary \$state_dir")"
+ rm -f "$(git rev-parse --git-path REBASE_HEAD)"
- if test ! -d "$rewritten"
+ : > "$state_dir"/interactive || die "$(gettext "Could not mark as interactive")"
+ write_basic_state
+}
+
+init_revisions_and_shortrevisions () {
+ shorthead=$(git rev-parse --short $orig_head)
+ shortonto=$(git rev-parse --short $onto)
+ if test -z "$rebase_root"
+ # this is now equivalent to ! -z "$upstream"
then
- exec git rebase--helper ${force_rebase:+--no-ff} --continue
+ shortupstream=$(git rev-parse --short $upstream)
+ revisions=$upstream...$orig_head
+ shortrevisions=$shortupstream..$shorthead
+ else
+ revisions=$onto...$orig_head
+ shortrevisions=$shorthead
+ test -z "$squash_onto" ||
+ echo "$squash_onto" >"$state_dir"/squash-onto
fi
- do_rest
- return 0
- ;;
-edit-todo)
- git stripspace --strip-comments <"$todo" >"$todo".new
- mv -f "$todo".new "$todo"
- collapse_todo_ids
+}
+
+complete_action() {
+ test -s "$todo" || echo noop >> "$todo"
+ test -z "$autosquash" || git rebase--helper --rearrange-squash || exit
+ test -n "$cmd" && git rebase--helper --add-exec-commands "$cmd"
+
+ todocount=$(git stripspace --strip-comments <"$todo" | wc -l)
+ todocount=${todocount##* }
+
+cat >>"$todo" <<EOF
+
+$comment_char $(eval_ngettext \
+ "Rebase \$shortrevisions onto \$shortonto (\$todocount command)" \
+ "Rebase \$shortrevisions onto \$shortonto (\$todocount commands)" \
+ "$todocount")
+EOF
append_todo_help
gettext "
-You are editing the todo file of an ongoing interactive rebase.
-To continue rebase after editing, run:
- git rebase --continue
+ However, if you remove everything, the rebase will be aborted.
+
+ " | git stripspace --comment-lines >>"$todo"
+
+ if test -z "$keep_empty"
+ then
+ printf '%s\n' "$comment_char $(gettext "Note that empty commits are commented out")" >>"$todo"
+ fi
-" | git stripspace --comment-lines >>"$todo"
+ has_action "$todo" ||
+ return 2
+
+ cp "$todo" "$todo".backup
+ collapse_todo_ids
git_sequence_editor "$todo" ||
- die "$(gettext "Could not execute editor")"
+ die_abort "$(gettext "Could not execute editor")"
+
+ has_action "$todo" ||
+ return 2
+
+ git rebase--helper --check-todo-list || {
+ ret=$?
+ checkout_onto
+ exit $ret
+ }
+
expand_todo_ids
- exit
- ;;
-esac
+ test -d "$rewritten" || test -n "$force_rebase" ||
+ onto="$(git rebase--helper --skip-unnecessary-picks)" ||
+ die "Could not skip unnecessary pick commands"
-comment_for_reflog start
+ checkout_onto
+ if test ! -d "$rewritten"
+ then
+ require_clean_work_tree "rebase"
+ exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
+ --continue
+ fi
+ do_rest
+}
-if test ! -z "$switch_to"
-then
- GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
- output git checkout "$switch_to" -- ||
- die "$(eval_gettext "Could not checkout \$switch_to")"
+git_rebase__interactive () {
+ initiate_action "$action"
+ ret=$?
+ if test $ret = 0; then
+ return 0
+ fi
- comment_for_reflog start
-fi
+ setup_reflog_action
+ init_basic_state
-orig_head=$(git rev-parse --verify HEAD) || die "$(gettext "No HEAD?")"
-mkdir -p "$state_dir" || die "$(eval_gettext "Could not create temporary \$state_dir")"
+ init_revisions_and_shortrevisions
+
+ git rebase--helper --make-script ${keep_empty:+--keep-empty} \
+ ${rebase_merges:+--rebase-merges} \
+ ${rebase_cousins:+--rebase-cousins} \
+ $revisions ${restrict_revision+^$restrict_revision} >"$todo" ||
+ die "$(gettext "Could not generate todo list")"
+
+ complete_action
+}
+
+git_rebase__interactive__preserve_merges () {
+ initiate_action "$action"
+ ret=$?
+ if test $ret = 0; then
+ return 0
+ fi
+
+ setup_reflog_action
+ init_basic_state
-: > "$state_dir"/interactive || die "$(gettext "Could not mark as interactive")"
-write_basic_state
-if test t = "$preserve_merges"
-then
if test -z "$rebase_root"
then
mkdir "$rewritten" &&
echo $onto > "$rewritten"/root ||
die "$(gettext "Could not init rewritten commits")"
fi
- # No cherry-pick because our first pass is to determine
- # parents to rewrite and skipping dropped commits would
- # prematurely end our probe
- merges_option=
-else
- merges_option="--no-merges --cherry-pick"
-fi
-
-shorthead=$(git rev-parse --short $orig_head)
-shortonto=$(git rev-parse --short $onto)
-if test -z "$rebase_root"
- # this is now equivalent to ! -z "$upstream"
-then
- shortupstream=$(git rev-parse --short $upstream)
- revisions=$upstream...$orig_head
- shortrevisions=$shortupstream..$shorthead
-else
- revisions=$onto...$orig_head
- shortrevisions=$shorthead
-fi
-if test t != "$preserve_merges"
-then
- git rebase--helper --make-script ${keep_empty:+--keep-empty} \
- $revisions ${restrict_revision+^$restrict_revision} >"$todo"
-else
+
+ init_revisions_and_shortrevisions
+
format=$(git config --get rebase.instructionFormat)
# the 'rev-list .. | sed' requires %m to parse; the instruction requires %H to parse
- git rev-list $merges_option --format="%m%H ${format:-%s}" \
+ git rev-list --format="%m%H ${format:-%s}" \
--reverse --left-right --topo-order \
$revisions ${restrict_revision+^$restrict_revision} | \
sed -n "s/^>//p" |
while read -r sha1 rest
do
-
if test -z "$keep_empty" && is_empty_commit $sha1 && ! is_merge_commit $sha1
then
comment_out="$comment_char "
printf '%s\n' "${comment_out}pick $sha1 $rest" >>"$todo"
fi
done
-fi
-# Watch for commits that been dropped by --cherry-pick
-if test t = "$preserve_merges"
-then
+ # Watch for commits that been dropped by --cherry-pick
mkdir "$dropped"
# Save all non-cherry-picked changes
git rev-list $revisions --left-right --cherry-pick | \
rm "$rewritten"/$rev
fi
done
-fi
-
-test -s "$todo" || echo noop >> "$todo"
-test -z "$autosquash" || git rebase--helper --rearrange-squash || exit
-test -n "$cmd" && add_exec_commands "$todo"
-
-todocount=$(git stripspace --strip-comments <"$todo" | wc -l)
-todocount=${todocount##* }
-
-cat >>"$todo" <<EOF
-
-$comment_char $(eval_ngettext \
- "Rebase \$shortrevisions onto \$shortonto (\$todocount command)" \
- "Rebase \$shortrevisions onto \$shortonto (\$todocount commands)" \
- "$todocount")
-EOF
-append_todo_help
-gettext "
-However, if you remove everything, the rebase will be aborted.
-
-" | git stripspace --comment-lines >>"$todo"
-
-if test -z "$keep_empty"
-then
- printf '%s\n' "$comment_char $(gettext "Note that empty commits are commented out")" >>"$todo"
-fi
-
-
-has_action "$todo" ||
- return 2
-
-cp "$todo" "$todo".backup
-collapse_todo_ids
-git_sequence_editor "$todo" ||
- die_abort "$(gettext "Could not execute editor")"
-
-has_action "$todo" ||
- return 2
-
-git rebase--helper --check-todo-list || {
- ret=$?
- checkout_onto
- exit $ret
-}
-
-expand_todo_ids
-
-test -d "$rewritten" || test -n "$force_rebase" ||
-onto="$(git rebase--helper --skip-unnecessary-picks)" ||
-die "Could not skip unnecessary pick commands"
-
-checkout_onto
-if test -z "$rebase_root" && test ! -d "$rewritten"
-then
- require_clean_work_tree "rebase"
- exec git rebase--helper ${force_rebase:+--no-ff} --continue
-fi
-do_rest
+ complete_action
}
-# ... and then we call the whole thing.
-git_rebase__interactive