summaryrefslogtreecommitdiff
path: root/git-rebase--preserve-merges.sh
diff options
context:
space:
mode:
Diffstat (limited to 'git-rebase--preserve-merges.sh')
-rw-r--r--git-rebase--preserve-merges.sh1069
1 files changed, 1069 insertions, 0 deletions
diff --git a/git-rebase--preserve-merges.sh b/git-rebase--preserve-merges.sh
new file mode 100644
index 0000000000..2f4941d0fc
--- /dev/null
+++ b/git-rebase--preserve-merges.sh
@@ -0,0 +1,1069 @@
+# This shell script fragment is sourced by git-rebase to implement
+# its interactive mode. "git rebase --interactive" makes it easy
+# to fix up commits in the middle of a series and rearrange commits.
+#
+# Copyright (c) 2006 Johannes E. Schindelin
+#
+# The original idea comes from Eric W. Biederman, in
+# https://public-inbox.org/git/m1odwkyuf5.fsf_-_@ebiederm.dsl.xmission.com/
+#
+# The file containing rebase commands, comments, and empty lines.
+# This file is created by "git rebase -i" then edited by the user. As
+# the lines are processed, they are removed from the front of this
+# file and written to the tail of $done.
+todo="$state_dir"/git-rebase-todo
+
+# The rebase command lines that have already been processed. A line
+# is moved here when it is first handled, before any associated user
+# actions.
+done="$state_dir"/done
+
+# The commit message that is planned to be used for any changes that
+# need to be committed following a user interaction.
+msg="$state_dir"/message
+
+# The file into which is accumulated the suggested commit message for
+# squash/fixup commands. When the first of a series of squash/fixups
+# is seen, the file is created and the commit message from the
+# previous commit and from the first squash/fixup commit are written
+# to it. The commit message for each subsequent squash/fixup commit
+# is appended to the file as it is processed.
+#
+# The first line of the file is of the form
+# # This is a combination of $count commits.
+# where $count is the number of commits whose messages have been
+# written to the file so far (including the initial "pick" commit).
+# Each time that a commit message is processed, this line is read and
+# updated. It is deleted just before the combined commit is made.
+squash_msg="$state_dir"/message-squash
+
+# If the current series of squash/fixups has not yet included a squash
+# command, then this file exists and holds the commit message of the
+# original "pick" commit. (If the series ends without a "squash"
+# command, then this can be used as the commit message of the combined
+# commit without opening the editor.)
+fixup_msg="$state_dir"/message-fixup
+
+# $rewritten is the name of a directory containing files for each
+# commit that is reachable by at least one merge base of $head and
+# $upstream. They are not necessarily rewritten, but their children
+# might be. This ensures that commits on merged, but otherwise
+# unrelated side branches are left alone. (Think "X" in the man page's
+# example.)
+rewritten="$state_dir"/rewritten
+
+dropped="$state_dir"/dropped
+
+end="$state_dir"/end
+msgnum="$state_dir"/msgnum
+
+# A script to set the GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and
+# GIT_AUTHOR_DATE that will be used for the commit that is currently
+# being rebased.
+author_script="$state_dir"/author-script
+
+# When an "edit" rebase command is being processed, the SHA1 of the
+# commit to be edited is recorded in this file. When "git rebase
+# --continue" is executed, if there are any staged changes then they
+# will be amended to the HEAD commit, but only provided the HEAD
+# commit is still the commit to be edited. When any other rebase
+# command is processed, this file is deleted.
+amend="$state_dir"/amend
+
+# For the post-rewrite hook, we make a list of rewritten commits and
+# their new sha1s. The rewritten-pending list keeps the sha1s of
+# commits that have been processed, but not committed yet,
+# e.g. because they are waiting for a 'squash' command.
+rewritten_list="$state_dir"/rewritten-list
+rewritten_pending="$state_dir"/rewritten-pending
+
+# Work around Git for Windows' Bash whose "read" does not strip CRLF
+# and leaves CR at the end instead.
+cr=$(printf "\015")
+
+strategy_args=${strategy:+--strategy=$strategy}
+test -n "$strategy_opts" &&
+eval '
+ for strategy_opt in '"$strategy_opts"'
+ do
+ strategy_args="$strategy_args -X$(git rev-parse --sq-quote "${strategy_opt#--}")"
+ done
+'
+
+GIT_CHERRY_PICK_HELP="$resolvemsg"
+export GIT_CHERRY_PICK_HELP
+
+comment_char=$(git config --get core.commentchar 2>/dev/null)
+case "$comment_char" in
+'' | auto)
+ comment_char="#"
+ ;;
+?)
+ ;;
+*)
+ comment_char=$(echo "$comment_char" | cut -c1)
+ ;;
+esac
+
+warn () {
+ printf '%s\n' "$*" >&2
+}
+
+# Output the commit message for the specified commit.
+commit_message () {
+ git cat-file commit "$1" | sed "1,/^$/d"
+}
+
+orig_reflog_action="$GIT_REFLOG_ACTION"
+
+comment_for_reflog () {
+ case "$orig_reflog_action" in
+ ''|rebase*)
+ GIT_REFLOG_ACTION="rebase -i ($1)"
+ export GIT_REFLOG_ACTION
+ ;;
+ esac
+}
+
+last_count=
+mark_action_done () {
+ sed -e 1q < "$todo" >> "$done"
+ sed -e 1d < "$todo" >> "$todo".new
+ mv -f "$todo".new "$todo"
+ new_count=$(( $(git stripspace --strip-comments <"$done" | wc -l) ))
+ echo $new_count >"$msgnum"
+ total=$(($new_count + $(git stripspace --strip-comments <"$todo" | wc -l)))
+ echo $total >"$end"
+ if test "$last_count" != "$new_count"
+ then
+ last_count=$new_count
+ eval_gettext "Rebasing (\$new_count/\$total)"; printf "\r"
+ test -z "$verbose" || echo
+ fi
+}
+
+# Put the last action marked done at the beginning of the todo list
+# again. If there has not been an action marked done yet, leave the list of
+# items on the todo list unchanged.
+reschedule_last_action () {
+ tail -n 1 "$done" | cat - "$todo" >"$todo".new
+ sed -e \$d <"$done" >"$done".new
+ mv -f "$todo".new "$todo"
+ mv -f "$done".new "$done"
+}
+
+append_todo_help () {
+ gettext "
+Commands:
+p, pick <commit> = use commit
+r, reword <commit> = use commit, but edit the commit message
+e, edit <commit> = use commit, but stop for amending
+s, squash <commit> = use commit, but meld into previous commit
+f, fixup <commit> = like \"squash\", but discard this commit's log message
+x, exec <commit> = run command (the rest of the line) using shell
+d, drop <commit> = remove commit
+l, label <label> = label current HEAD with a name
+t, reset <label> = reset HEAD to a label
+m, merge [-C <commit> | -c <commit>] <label> [# <oneline>]
+. create a merge commit using the original merge commit's
+. message (or the oneline, if no original merge commit was
+. specified). Use -c <commit> to reword the commit message.
+
+These lines can be re-ordered; they are executed from top to bottom.
+" | git stripspace --comment-lines >>"$todo"
+
+ if test $(get_missing_commit_check_level) = error
+ then
+ gettext "
+Do not remove any line. Use 'drop' explicitly to remove a commit.
+" | git stripspace --comment-lines >>"$todo"
+ else
+ gettext "
+If you remove a line here THAT COMMIT WILL BE LOST.
+" | git stripspace --comment-lines >>"$todo"
+ fi
+}
+
+make_patch () {
+ sha1_and_parents="$(git rev-list --parents -1 "$1")"
+ case "$sha1_and_parents" in
+ ?*' '?*' '?*)
+ git diff --cc $sha1_and_parents
+ ;;
+ ?*' '?*)
+ git diff-tree -p "$1^!"
+ ;;
+ *)
+ echo "Root commit"
+ ;;
+ esac > "$state_dir"/patch
+ test -f "$msg" ||
+ commit_message "$1" > "$msg"
+ test -f "$author_script" ||
+ get_author_ident_from_commit "$1" > "$author_script"
+}
+
+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 "$gpg_sign_opt")}
+ warn "$(eval_gettext "\
+You can amend the commit now, with
+
+ git commit --amend \$gpg_sign_opt_quoted
+
+Once you are satisfied with your changes, run
+
+ git rebase --continue")"
+ warn
+ exit $2
+}
+
+die_abort () {
+ apply_autostash
+ rm -rf "$state_dir"
+ die "$1"
+}
+
+has_action () {
+ test -n "$(git stripspace --strip-comments <"$1")"
+}
+
+is_empty_commit() {
+ tree=$(git rev-parse -q --verify "$1"^{tree} 2>/dev/null) || {
+ sha1=$1
+ die "$(eval_gettext "\$sha1: not a commit that can be picked")"
+ }
+ ptree=$(git rev-parse -q --verify "$1"^^{tree} 2>/dev/null) ||
+ ptree=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+ test "$tree" = "$ptree"
+}
+
+is_merge_commit()
+{
+ git rev-parse --verify --quiet "$1"^2 >/dev/null 2>&1
+}
+
+# Run command with GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and
+# GIT_AUTHOR_DATE exported from the current environment.
+do_with_author () {
+ (
+ export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
+ "$@"
+ )
+}
+
+git_sequence_editor () {
+ if test -z "$GIT_SEQUENCE_EDITOR"
+ then
+ GIT_SEQUENCE_EDITOR="$(git config sequence.editor)"
+ if [ -z "$GIT_SEQUENCE_EDITOR" ]
+ then
+ GIT_SEQUENCE_EDITOR="$(git var GIT_EDITOR)" || return $?
+ fi
+ fi
+
+ eval "$GIT_SEQUENCE_EDITOR" '"$@"'
+}
+
+pick_one () {
+ ff=--ff
+
+ case "$1" in -n) sha1=$2; ff= ;; *) sha1=$1 ;; esac
+ case "$force_rebase" in '') ;; ?*) ff= ;; esac
+ output git rev-parse --verify $sha1 || die "$(eval_gettext "Invalid commit name: \$sha1")"
+
+ if is_empty_commit "$sha1"
+ then
+ empty_args="--allow-empty"
+ fi
+
+ test -d "$rewritten" &&
+ pick_one_preserving_merges "$@" && return
+ output eval git cherry-pick $allow_rerere_autoupdate $allow_empty_message \
+ ${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \
+ $signoff "$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.
+ ret=$?
+ case "$ret" in [01]) ;; *) reschedule_last_action ;; esac
+ return $ret
+}
+
+pick_one_preserving_merges () {
+ fast_forward=t
+ case "$1" in
+ -n)
+ fast_forward=f
+ sha1=$2
+ ;;
+ *)
+ sha1=$1
+ ;;
+ esac
+ sha1=$(git rev-parse $sha1)
+
+ if test -f "$state_dir"/current-commit && 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
+
+ echo $sha1 >> "$state_dir"/current-commit
+
+ # rewrite parents; if none were rewritten, we can fast-forward.
+ new_parents=
+ pend=" $(git rev-list --parents -1 $sha1 | cut -d' ' -s -f2-)"
+ if test "$pend" = " "
+ then
+ pend=" root"
+ fi
+ while [ "$pend" != "" ]
+ do
+ p=$(expr "$pend" : ' \([^ ]*\)')
+ pend="${pend# $p}"
+
+ if test -f "$rewritten"/$p
+ then
+ new_p=$(cat "$rewritten"/$p)
+
+ # If the todo reordered commits, and our parent is marked for
+ # rewriting, but hasn't been gotten to yet, assume the user meant to
+ # drop it on top of the current HEAD
+ if test -z "$new_p"
+ then
+ new_p=$(git rev-parse HEAD)
+ fi
+
+ test $p != $new_p && fast_forward=f
+ case "$new_parents" in
+ *$new_p*)
+ ;; # do nothing; that parent is already there
+ *)
+ new_parents="$new_parents $new_p"
+ ;;
+ esac
+ else
+ if test -f "$dropped"/$p
+ then
+ fast_forward=f
+ replacement="$(cat "$dropped"/$p)"
+ test -z "$replacement" && replacement=root
+ pend=" $replacement$pend"
+ else
+ new_parents="$new_parents $p"
+ fi
+ fi
+ done
+ case $fast_forward in
+ t)
+ output warn "$(eval_gettext "Fast-forward to \$sha1")"
+ output git reset --hard $sha1 ||
+ die "$(eval_gettext "Cannot fast-forward to \$sha1")"
+ ;;
+ f)
+ first_parent=$(expr "$new_parents" : ' \([^ ]*\)')
+
+ if [ "$1" != "-n" ]
+ then
+ # detach HEAD to current parent
+ output git checkout $first_parent 2> /dev/null ||
+ die "$(eval_gettext "Cannot move HEAD to \$first_parent")"
+ fi
+
+ case "$new_parents" in
+ ' '*' '*)
+ test "a$1" = a-n && die "$(eval_gettext "Refusing to squash a merge: \$sha1")"
+
+ # redo merge
+ author_script_content=$(get_author_ident_from_commit $sha1)
+ eval "$author_script_content"
+ msg_content="$(commit_message $sha1)"
+ # No point in merging the first parent, that's HEAD
+ new_parents=${new_parents# $first_parent}
+ merge_args="--no-log --no-ff"
+ if ! do_with_author output eval \
+ 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")"
+ fi
+ echo "$sha1 $(git rev-parse HEAD^0)" >> "$rewritten_list"
+ ;;
+ *)
+ 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")"
+ ;;
+ esac
+ ;;
+ esac
+}
+
+this_nth_commit_message () {
+ n=$1
+ eval_gettext "This is the commit message #\${n}:"
+}
+
+skip_nth_commit_message () {
+ n=$1
+ eval_gettext "The commit message #\${n} will be skipped:"
+}
+
+update_squash_messages () {
+ if test -f "$squash_msg"; then
+ mv "$squash_msg" "$squash_msg".bak || exit
+ count=$(($(sed -n \
+ -e "1s/^$comment_char[^0-9]*\([0-9][0-9]*\).*/\1/p" \
+ -e "q" < "$squash_msg".bak)+1))
+ {
+ printf '%s\n' "$comment_char $(eval_ngettext \
+ "This is a combination of \$count commit." \
+ "This is a combination of \$count commits." \
+ $count)"
+ sed -e 1d -e '2,/^./{
+ /^$/d
+ }' <"$squash_msg".bak
+ } >"$squash_msg"
+ else
+ commit_message HEAD >"$fixup_msg" ||
+ die "$(eval_gettext "Cannot write \$fixup_msg")"
+ count=2
+ {
+ printf '%s\n' "$comment_char $(gettext "This is a combination of 2 commits.")"
+ printf '%s\n' "$comment_char $(gettext "This is the 1st commit message:")"
+ echo
+ cat "$fixup_msg"
+ } >"$squash_msg"
+ fi
+ case $1 in
+ squash)
+ rm -f "$fixup_msg"
+ echo
+ printf '%s\n' "$comment_char $(this_nth_commit_message $count)"
+ echo
+ commit_message $2
+ ;;
+ fixup)
+ echo
+ printf '%s\n' "$comment_char $(skip_nth_commit_message $count)"
+ echo
+ # Change the space after the comment character to TAB:
+ commit_message $2 | git stripspace --comment-lines | sed -e 's/ / /'
+ ;;
+ esac >>"$squash_msg"
+}
+
+peek_next_command () {
+ git stripspace --strip-comments <"$todo" | sed -n -e 's/ .*//p' -e q
+}
+
+# A squash/fixup has failed. Prepare the long version of the squash
+# commit message, then die_with_patch. This code path requires the
+# user to edit the combined commit message for all commits that have
+# been squashed/fixedup so far. So also erase the old squash
+# messages, effectively causing the combined commit to be used as the
+# new basis for any further squash/fixups. Args: sha1 rest
+die_failed_squash() {
+ sha1=$1
+ rest=$2
+ mv "$squash_msg" "$msg" || exit
+ rm -f "$fixup_msg"
+ cp "$msg" "$GIT_DIR"/MERGE_MSG || exit
+ warn
+ warn "$(eval_gettext "Could not apply \$sha1... \$rest")"
+ die_with_patch $sha1 ""
+}
+
+flush_rewritten_pending() {
+ test -s "$rewritten_pending" || return
+ newsha1="$(git rev-parse HEAD^0)"
+ sed "s/$/ $newsha1/" < "$rewritten_pending" >> "$rewritten_list"
+ rm -f "$rewritten_pending"
+}
+
+record_in_rewritten() {
+ oldsha1="$(git rev-parse $1)"
+ echo "$oldsha1" >> "$rewritten_pending"
+
+ case "$(peek_next_command)" in
+ squash|s|fixup|f)
+ ;;
+ *)
+ flush_rewritten_pending
+ ;;
+ esac
+}
+
+do_pick () {
+ sha1=$1
+ rest=$2
+ if test "$(git rev-parse HEAD)" = "$squash_onto"
+ then
+ # Set the correct commit message and author info on the
+ # sentinel root before cherry-picking the original changes
+ # without committing (-n). Finally, update the sentinel again
+ # to include these changes. If the cherry-pick results in a
+ # conflict, this means our behaviour is similar to a standard
+ # failed cherry-pick during rebase, with a dirty index to
+ # 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 $signoff &&
+ pick_one -n $sha1 &&
+ git commit --allow-empty --allow-empty-message \
+ --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
+ pick_one $sha1 ||
+ die_with_patch $sha1 "$(eval_gettext "Could not apply \$sha1... \$rest")"
+ fi
+}
+
+do_next () {
+ rm -f "$msg" "$author_script" "$amend" "$state_dir"/stopped-sha || exit
+ read -r command sha1 rest < "$todo"
+ case "$command" in
+ "$comment_char"*|''|noop|drop|d)
+ mark_action_done
+ ;;
+ "$cr")
+ # Work around CR left by "read" (e.g. with Git for Windows' Bash).
+ mark_action_done
+ ;;
+ pick|p)
+ comment_for_reflog pick
+
+ mark_action_done
+ do_pick $sha1 "$rest"
+ record_in_rewritten $sha1
+ ;;
+ reword|r)
+ comment_for_reflog reword
+
+ mark_action_done
+ do_pick $sha1 "$rest"
+ 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
+failed. If the pre-commit hook failed, you may need to resolve the issue before
+you are able to reword the commit.")"
+ exit_with_patch $sha1 1
+ }
+ record_in_rewritten $sha1
+ ;;
+ edit|e)
+ comment_for_reflog edit
+
+ mark_action_done
+ do_pick $sha1 "$rest"
+ sha1_abbrev=$(git rev-parse --short $sha1)
+ warn "$(eval_gettext "Stopped at \$sha1_abbrev... \$rest")"
+ exit_with_patch $sha1 0
+ ;;
+ squash|s|fixup|f)
+ case "$command" in
+ squash|s)
+ squash_style=squash
+ ;;
+ fixup|f)
+ squash_style=fixup
+ ;;
+ esac
+ comment_for_reflog $squash_style
+
+ test -f "$done" && has_action "$done" ||
+ die "$(eval_gettext "Cannot '\$squash_style' without a previous commit")"
+
+ mark_action_done
+ update_squash_messages $squash_style $sha1
+ author_script_content=$(get_author_ident_from_commit HEAD)
+ echo "$author_script_content" > "$author_script"
+ eval "$author_script_content"
+ if ! pick_one -n $sha1
+ then
+ git rev-parse --verify HEAD >"$amend"
+ die_failed_squash $sha1 "$rest"
+ fi
+ case "$(peek_next_command)" in
+ squash|s|fixup|f)
+ # This is an intermediate commit; its message will only be
+ # used in case of trouble. So use the long version:
+ do_with_author output git commit --amend --no-verify -F "$squash_msg" \
+ ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message ||
+ die_failed_squash $sha1 "$rest"
+ ;;
+ *)
+ # This is the final command of this squash/fixup group
+ if test -f "$fixup_msg"
+ then
+ do_with_author git commit --amend --no-verify -F "$fixup_msg" \
+ ${gpg_sign_opt:+"$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"} $allow_empty_message ||
+ die_failed_squash $sha1 "$rest"
+ fi
+ rm -f "$squash_msg" "$fixup_msg"
+ ;;
+ esac
+ record_in_rewritten $sha1
+ ;;
+ x|"exec")
+ read -r command rest < "$todo"
+ mark_action_done
+ eval_gettextln "Executing: \$rest"
+ "${SHELL:-@SHELL_PATH@}" -c "$rest" # Actual execution
+ status=$?
+ # Run in subshell because require_clean_work_tree can die.
+ dirty=f
+ (require_clean_work_tree "rebase" 2>/dev/null) || dirty=t
+ if test "$status" -ne 0
+ then
+ warn "$(eval_gettext "Execution failed: \$rest")"
+ test "$dirty" = f ||
+ warn "$(gettext "and made changes to the index and/or the working tree")"
+
+ warn "$(gettext "\
+You can fix the problem, and then run
+
+ git rebase --continue")"
+ warn
+ if test $status -eq 127 # command not found
+ then
+ status=1
+ fi
+ exit "$status"
+ elif test "$dirty" = t
+ then
+ # TRANSLATORS: after these lines is a command to be issued by the user
+ warn "$(eval_gettext "\
+Execution succeeded: \$rest
+but left changes to the index and/or the working tree
+Commit or stash your changes, and then run
+
+ git rebase --continue")"
+ warn
+ exit 1
+ fi
+ ;;
+ *)
+ warn "$(eval_gettext "Unknown command: \$command \$sha1 \$rest")"
+ fixtodo="$(gettext "Please fix this using 'git rebase --edit-todo'.")"
+ if git rev-parse --verify -q "$sha1" >/dev/null
+ then
+ die_with_patch $sha1 "$fixtodo"
+ else
+ die "$fixtodo"
+ fi
+ ;;
+ esac
+ test -s "$todo" && return
+
+ comment_for_reflog finish &&
+ newhead=$(git rev-parse HEAD) &&
+ case $head_name in
+ refs/*)
+ message="$GIT_REFLOG_ACTION: $head_name onto $onto" &&
+ git update-ref -m "$message" $head_name $newhead $orig_head &&
+ git symbolic-ref \
+ -m "$GIT_REFLOG_ACTION: returning to $head_name" \
+ HEAD $head_name
+ ;;
+ esac && {
+ test ! -f "$state_dir"/verbose ||
+ git diff-tree --stat $orig_head..HEAD
+ } &&
+ {
+ test -s "$rewritten_list" &&
+ git notes copy --for-rewrite=rebase < "$rewritten_list" ||
+ true # we don't care if this copying failed
+ } &&
+ hook="$(git rev-parse --git-path hooks/post-rewrite)"
+ if test -x "$hook" && test -s "$rewritten_list"; then
+ "$hook" rebase < "$rewritten_list"
+ true # we don't care if this hook failed
+ fi &&
+ warn "$(eval_gettext "Successfully rebased and updated \$head_name.")"
+
+ return 1 # not failure; just to break the do_rest loop
+}
+
+# can only return 0, when the infinite loop breaks
+do_rest () {
+ while :
+ do
+ do_next || break
+ done
+}
+
+expand_todo_ids() {
+ git rebase--helper --expand-ids
+}
+
+collapse_todo_ids() {
+ git rebase--helper --shorten-ids
+}
+
+# Switch to the branch in $into and notify it in the reflog
+checkout_onto () {
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name"
+ output git checkout $onto || die_abort "$(gettext "could not detach HEAD")"
+ git update-ref ORIG_HEAD $orig_head
+}
+
+get_missing_commit_check_level () {
+ check_level=$(git config --get rebase.missingCommitsCheck)
+ check_level=${check_level:-ignore}
+ # Don't be case sensitive
+ printf '%s' "$check_level" | tr 'A-Z' 'a-z'
+}
+
+# Initiate an action. If the cannot be any
+# further action it may exec a command
+# or exit and not return.
+#
+# 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
+ 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 "$(eval_gettext "\
+You have staged changes in your working tree.
+If these changes are meant to be
+squashed into the previous commit, run:
+
+ git commit --amend \$gpg_sign_opt_quoted
+
+If they are meant to go into a new commit, run:
+
+ git commit \$gpg_sign_opt_quoted
+
+In both cases, once you're done, continue with:
+
+ git rebase --continue
+")"
+ fi
+ . "$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 "$(gettext "\
+You have uncommitted changes in your working tree. Please commit them
+first and then run 'git rebase --continue' again.")"
+ do_with_author git commit --amend --no-verify -F "$msg" -e \
+ ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message ||
+ die "$(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 "$state_dir"/stopped-sha)"
+ fi
+
+ require_clean_work_tree "rebase"
+ do_rest
+ return 0
+ ;;
+ skip)
+ git rerere clear
+
+ if test ! -d "$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 "$switch_to"
+ then
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
+ output git checkout "$switch_to" -- ||
+ die "$(eval_gettext "Could not checkout \$switch_to")"
+
+ comment_for_reflog start
+ fi
+}
+
+init_basic_state () {
+ orig_head=$(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)"
+
+ : > "$state_dir"/interactive || die "$(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 "$upstream"
+ then
+ shortupstream=$(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" >"$state_dir"/squash-onto
+ fi
+}
+
+complete_action() {
+ test -s "$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 "
+ 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 ! -d "$rewritten"
+ then
+ require_clean_work_tree "rebase"
+ exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
+ --continue
+ fi
+ do_rest
+}
+
+git_rebase__interactive () {
+ initiate_action "$action"
+ ret=$?
+ if test $ret = 0; then
+ return 0
+ fi
+
+ setup_reflog_action
+ init_basic_state
+
+ 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 $ret = 0; then
+ return 0
+ fi
+
+ setup_reflog_action
+ init_basic_state
+
+ if test -z "$rebase_root"
+ then
+ mkdir "$rewritten" &&
+ for c in $(git merge-base --all $orig_head $upstream)
+ do
+ echo $onto > "$rewritten"/$c ||
+ die "$(gettext "Could not init rewritten commits")"
+ done
+ else
+ mkdir "$rewritten" &&
+ echo $onto > "$rewritten"/root ||
+ die "$(gettext "Could not init rewritten commits")"
+ fi
+
+ init_revisions_and_shortrevisions
+
+ format=$(git config --get rebase.instructionFormat)
+ # the 'rev-list .. | sed' requires %m to parse; the instruction requires %H to parse
+ git rev-list --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 "
+ else
+ comment_out=
+ fi
+
+ if test -z "$rebase_root"
+ then
+ preserve=t
+ for p in $(git rev-list --parents -1 $sha1 | cut -d' ' -s -f2-)
+ do
+ if test -f "$rewritten"/$p
+ then
+ preserve=f
+ fi
+ done
+ else
+ preserve=f
+ fi
+ if test f = "$preserve"
+ then
+ touch "$rewritten"/$sha1
+ printf '%s\n' "${comment_out}pick $sha1 $rest" >>"$todo"
+ fi
+ done
+
+ # Watch for commits that been dropped by --cherry-pick
+ mkdir "$dropped"
+ # Save all non-cherry-picked changes
+ git rev-list $revisions --left-right --cherry-pick | \
+ sed -n "s/^>//p" > "$state_dir"/not-cherry-picks
+ # Now all commits and note which ones are missing in
+ # not-cherry-picks and hence being dropped
+ git rev-list $revisions |
+ while read rev
+ do
+ if test -f "$rewritten"/$rev &&
+ ! sane_grep "$rev" "$state_dir"/not-cherry-picks >/dev/null
+ then
+ # Use -f2 because if rev-list is telling us this commit is
+ # not worthwhile, we don't want to track its multiple heads,
+ # just the history of its first-parent for others that will
+ # be rebasing on top of it
+ git rev-list --parents -1 $rev | cut -d' ' -s -f2 > "$dropped"/$rev
+ sha1=$(git rev-list -1 $rev)
+ sane_grep -v "^[a-z][a-z]* $sha1" <"$todo" > "${todo}2" ; mv "${todo}2" "$todo"
+ rm "$rewritten"/$rev
+ fi
+ done
+
+ complete_action
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 11:03:44 +0000