]> git.ipfire.org Git - thirdparty/git.git/commitdiff
rebase: drop support for `--preserve-merges`
authorJohannes Schindelin <johannes.schindelin@gmx.de>
Tue, 7 Sep 2021 21:05:06 +0000 (21:05 +0000)
committerJunio C Hamano <gitster@pobox.com>
Wed, 8 Sep 2021 04:45:33 +0000 (21:45 -0700)
This option was deprecated in favor of `--rebase-merges` some time ago,
and now we retire it.

To assist users to transition away, we do not _actually_ remove the
option, but now we no longer implement the functionality. Instead, we
offer a helpful error message suggesting which option to use.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
.gitignore
Documentation/git-rebase.txt
Makefile
builtin/rebase.c
git-rebase--preserve-merges.sh [deleted file]

index 311841f9bed577151a81f87174ccdd6939aa3eee..98d6275b20d01601e0ef15aee011f54779166fa7 100644 (file)
 /git-range-diff
 /git-read-tree
 /git-rebase
-/git-rebase--preserve-merges
 /git-receive-pack
 /git-reflog
 /git-remote
index 55af6fd24e27cd13ff93f7188dbd403e0cc7aeb6..1382dc6f00565771ed1a698a95599ba2a1681141 100644 (file)
@@ -525,29 +525,12 @@ i.e. commits that would be excluded by linkgit:git-log[1]'s
 the `rebase-cousins` mode is turned on, such commits are instead rebased
 onto `<upstream>` (or `<onto>`, if specified).
 +
-The `--rebase-merges` mode is similar in spirit to the deprecated
-`--preserve-merges` but works with interactive rebases,
-where commits can be reordered, inserted and dropped at will.
-+
 It is currently only possible to recreate the merge commits using the
 `recursive` merge strategy; Different merge strategies can be used only via
 explicit `exec git merge -s <strategy> [...]` commands.
 +
 See also REBASING MERGES and INCOMPATIBLE OPTIONS below.
 
--p::
---preserve-merges::
-       [DEPRECATED: use `--rebase-merges` instead] Recreate merge commits
-       instead of flattening the history by replaying commits a merge commit
-       introduces. Merge conflict resolutions or manual amendments to merge
-       commits are not preserved.
-+
-This uses the `--interactive` machinery internally, but combining it
-with the `--interactive` option explicitly is generally not a good
-idea unless you know what you are doing (see BUGS below).
-+
-See also INCOMPATIBLE OPTIONS below.
-
 -x <cmd>::
 --exec <cmd>::
        Append "exec <cmd>" after each line creating a commit in the
@@ -579,9 +562,6 @@ See also INCOMPATIBLE OPTIONS below.
        the root commit(s) on a branch.  When used with --onto, it
        will skip changes already contained in <newbase> (instead of
        <upstream>) whereas without --onto it will operate on every change.
-       When used together with both --onto and --preserve-merges,
-       'all' root commits will be rewritten to have <newbase> as parent
-       instead.
 +
 See also INCOMPATIBLE OPTIONS below.
 
@@ -643,7 +623,6 @@ are incompatible with the following options:
  * --allow-empty-message
  * --[no-]autosquash
  * --rebase-merges
- * --preserve-merges
  * --interactive
  * --exec
  * --no-keep-empty
@@ -654,13 +633,6 @@ are incompatible with the following options:
 
 In addition, the following pairs of options are incompatible:
 
- * --preserve-merges and --interactive
- * --preserve-merges and --signoff
- * --preserve-merges and --rebase-merges
- * --preserve-merges and --empty=
- * --preserve-merges and --ignore-whitespace
- * --preserve-merges and --committer-date-is-author-date
- * --preserve-merges and --ignore-date
  * --keep-base and --onto
  * --keep-base and --root
  * --fork-point and --root
@@ -1274,29 +1246,6 @@ CONFIGURATION
 include::config/rebase.txt[]
 include::config/sequencer.txt[]
 
-BUGS
-----
-The todo list presented by the deprecated `--preserve-merges --interactive`
-does not represent the topology of the revision graph (use `--rebase-merges`
-instead).  Editing commits and rewording their commit messages should work
-fine, but attempts to reorder commits tend to produce counterintuitive results.
-Use `--rebase-merges` in such scenarios instead.
-
-For example, an attempt to rearrange
-------------
-1 --- 2 --- 3 --- 4 --- 5
-------------
-to
-------------
-1 --- 2 --- 4 --- 3 --- 5
-------------
-by moving the "pick 4" line will result in the following history:
-------------
-       3
-       /
-1 --- 2 --- 4 --- 5
-------------
-
 GIT
 ---
 Part of the linkgit:git[1] suite
index 9573190f1d7e0360c11c597532504cb29758cbec..43f93f6166047b94ae2e7e791b9031f17dee9188 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -616,7 +616,6 @@ SCRIPT_SH += git-submodule.sh
 SCRIPT_SH += git-web--browse.sh
 
 SCRIPT_LIB += git-mergetool--lib
-SCRIPT_LIB += git-rebase--preserve-merges
 SCRIPT_LIB += git-sh-i18n
 SCRIPT_LIB += git-sh-setup
 
@@ -2649,7 +2648,6 @@ XGETTEXT_FLAGS_PERL = $(XGETTEXT_FLAGS) --language=Perl \
        --keyword=__ --keyword=N__ --keyword="__n:1,2"
 LOCALIZED_C = $(C_OBJ:o=c) $(LIB_H) $(GENERATED_H)
 LOCALIZED_SH = $(SCRIPT_SH)
-LOCALIZED_SH += git-rebase--preserve-merges.sh
 LOCALIZED_SH += git-sh-setup.sh
 LOCALIZED_PERL = $(SCRIPT_PERL)
 
index 33e09619005b2aa706ffb33c0f31f2378eba1fe7..5f8d9f89ba4f93f8cb7a6fa0e31d5e48db4b5f65 100644 (file)
@@ -48,8 +48,7 @@ static GIT_PATH_FUNC(merge_dir, "rebase-merge")
 enum rebase_type {
        REBASE_UNSPECIFIED = -1,
        REBASE_APPLY,
-       REBASE_MERGE,
-       REBASE_PRESERVE_MERGES
+       REBASE_MERGE
 };
 
 enum empty_type {
@@ -571,8 +570,7 @@ int cmd_rebase__interactive(int argc, const char **argv, const char *prefix)
 
 static int is_merge(struct rebase_options *opts)
 {
-       return opts->type == REBASE_MERGE ||
-               opts->type == REBASE_PRESERVE_MERGES;
+       return opts->type == REBASE_MERGE;
 }
 
 static void imply_merge(struct rebase_options *opts, const char *option)
@@ -582,7 +580,6 @@ static void imply_merge(struct rebase_options *opts, const char *option)
                die(_("%s requires the merge backend"), option);
                break;
        case REBASE_MERGE:
-       case REBASE_PRESERVE_MERGES:
                break;
        default:
                opts->type = REBASE_MERGE; /* implied */
@@ -773,17 +770,6 @@ static struct commit *peel_committish(const char *name)
        return (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT);
 }
 
-static void add_var(struct strbuf *buf, const char *name, const char *value)
-{
-       if (!value)
-               strbuf_addf(buf, "unset %s; ", name);
-       else {
-               strbuf_addf(buf, "%s=", name);
-               sq_quote_buf(buf, value);
-               strbuf_addstr(buf, "; ");
-       }
-}
-
 static int move_to_original_branch(struct rebase_options *opts)
 {
        struct strbuf orig_head_reflog = STRBUF_INIT, head_reflog = STRBUF_INIT;
@@ -940,10 +926,7 @@ static int run_am(struct rebase_options *opts)
 
 static int run_specific_rebase(struct rebase_options *opts, enum action action)
 {
-       const char *argv[] = { NULL, NULL };
-       struct strbuf script_snippet = STRBUF_INIT, buf = STRBUF_INIT;
        int status;
-       const char *backend, *backend_func;
 
        if (opts->type == REBASE_MERGE) {
                /* Run sequencer-based rebase */
@@ -960,87 +943,11 @@ static int run_specific_rebase(struct rebase_options *opts, enum action action)
                }
 
                status = run_sequencer_rebase(opts, action);
-               goto finished_rebase;
-       }
-
-       if (opts->type == REBASE_APPLY) {
+       } else if (opts->type == REBASE_APPLY)
                status = run_am(opts);
-               goto finished_rebase;
-       }
-
-       add_var(&script_snippet, "GIT_DIR", absolute_path(get_git_dir()));
-       add_var(&script_snippet, "state_dir", opts->state_dir);
-
-       add_var(&script_snippet, "upstream_name", opts->upstream_name);
-       add_var(&script_snippet, "upstream", opts->upstream ?
-               oid_to_hex(&opts->upstream->object.oid) : NULL);
-       add_var(&script_snippet, "head_name",
-               opts->head_name ? opts->head_name : "detached HEAD");
-       add_var(&script_snippet, "orig_head", oid_to_hex(&opts->orig_head));
-       add_var(&script_snippet, "onto", opts->onto ?
-               oid_to_hex(&opts->onto->object.oid) : NULL);
-       add_var(&script_snippet, "onto_name", opts->onto_name);
-       add_var(&script_snippet, "revisions", opts->revisions);
-       add_var(&script_snippet, "restrict_revision", opts->restrict_revision ?
-               oid_to_hex(&opts->restrict_revision->object.oid) : NULL);
-       sq_quote_argv_pretty(&buf, opts->git_am_opts.v);
-       add_var(&script_snippet, "git_am_opt", buf.buf);
-       strbuf_release(&buf);
-       add_var(&script_snippet, "verbose",
-               opts->flags & REBASE_VERBOSE ? "t" : "");
-       add_var(&script_snippet, "diffstat",
-               opts->flags & REBASE_DIFFSTAT ? "t" : "");
-       add_var(&script_snippet, "force_rebase",
-               opts->flags & REBASE_FORCE ? "t" : "");
-       if (opts->switch_to)
-               add_var(&script_snippet, "switch_to", opts->switch_to);
-       add_var(&script_snippet, "action", opts->action ? opts->action : "");
-       add_var(&script_snippet, "signoff", opts->signoff ? "--signoff" : "");
-       add_var(&script_snippet, "allow_rerere_autoupdate",
-               opts->allow_rerere_autoupdate ?
-                       opts->allow_rerere_autoupdate == RERERE_AUTOUPDATE ?
-                       "--rerere-autoupdate" : "--no-rerere-autoupdate" : "");
-       add_var(&script_snippet, "keep_empty", opts->keep_empty ? "yes" : "");
-       add_var(&script_snippet, "autosquash", opts->autosquash ? "t" : "");
-       add_var(&script_snippet, "gpg_sign_opt", opts->gpg_sign_opt);
-       add_var(&script_snippet, "cmd", opts->cmd);
-       add_var(&script_snippet, "allow_empty_message",
-               opts->allow_empty_message ?  "--allow-empty-message" : "");
-       add_var(&script_snippet, "rebase_merges",
-               opts->rebase_merges ? "t" : "");
-       add_var(&script_snippet, "rebase_cousins",
-               opts->rebase_cousins ? "t" : "");
-       add_var(&script_snippet, "strategy", opts->strategy);
-       add_var(&script_snippet, "strategy_opts", opts->strategy_opts);
-       add_var(&script_snippet, "rebase_root", opts->root ? "t" : "");
-       add_var(&script_snippet, "squash_onto",
-               opts->squash_onto ? oid_to_hex(opts->squash_onto) : "");
-       add_var(&script_snippet, "git_format_patch_opt",
-               opts->git_format_patch_opt.buf);
-
-       if (is_merge(opts) &&
-           !(opts->flags & REBASE_INTERACTIVE_EXPLICIT)) {
-               strbuf_addstr(&script_snippet,
-                             "GIT_SEQUENCE_EDITOR=:; export GIT_SEQUENCE_EDITOR; ");
-               opts->autosquash = 0;
-       }
-
-       switch (opts->type) {
-       case REBASE_PRESERVE_MERGES:
-               backend = "git-rebase--preserve-merges";
-               backend_func = "git_rebase__preserve_merges";
-               break;
-       default:
+       else
                BUG("Unhandled rebase type %d", opts->type);
-               break;
-       }
-
-       strbuf_addf(&script_snippet,
-                   ". git-sh-setup && . %s && %s", backend, backend_func);
-       argv[0] = script_snippet.buf;
 
-       status = run_command_v_opt(argv, RUN_USING_SHELL);
-finished_rebase:
        if (opts->dont_finish_rebase)
                ; /* do nothing */
        else if (opts->type == REBASE_MERGE)
@@ -1058,8 +965,6 @@ finished_rebase:
                die("Nothing to do");
        }
 
-       strbuf_release(&script_snippet);
-
        return status ? -1 : 0;
 }
 
@@ -1313,6 +1218,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
        char *squash_onto_name = NULL;
        int reschedule_failed_exec = -1;
        int allow_preemptive_ff = 1;
+       int preserve_merges_selected = 0;
        struct option builtin_rebase_options[] = {
                OPT_STRING(0, "onto", &options.onto_name,
                           N_("revision"),
@@ -1377,10 +1283,10 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                        N_("let the user edit the list of commits to rebase"),
                        PARSE_OPT_NOARG | PARSE_OPT_NONEG,
                        parse_opt_interactive),
-               OPT_SET_INT_F('p', "preserve-merges", &options.type,
+               OPT_SET_INT_F('p', "preserve-merges", &preserve_merges_selected,
                              N_("(DEPRECATED) try to recreate merges instead of "
                                 "ignoring them"),
-                             REBASE_PRESERVE_MERGES, PARSE_OPT_HIDDEN),
+                             1, PARSE_OPT_HIDDEN),
                OPT_RERERE_AUTOUPDATE(&options.allow_rerere_autoupdate),
                OPT_CALLBACK_F(0, "empty", &options, "{drop,keep,ask}",
                               N_("how to handle commits that become empty"),
@@ -1448,8 +1354,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                strbuf_reset(&buf);
                strbuf_addf(&buf, "%s/rewritten", merge_dir());
                if (is_directory(buf.buf)) {
-                       options.type = REBASE_PRESERVE_MERGES;
-                       options.flags |= REBASE_INTERACTIVE_EXPLICIT;
+                       die("`rebase -p` is no longer supported");
                } else {
                        strbuf_reset(&buf);
                        strbuf_addf(&buf, "%s/interactive", merge_dir());
@@ -1470,6 +1375,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                             builtin_rebase_options,
                             builtin_rebase_usage, 0);
 
+       if (preserve_merges_selected)
+               die(_("--preserve-merges was replaced by --rebase-merges"));
+
        if (action != ACTION_NONE && total_argc != 2) {
                usage_with_options(builtin_rebase_usage,
                                   builtin_rebase_options);
@@ -1479,10 +1387,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                usage_with_options(builtin_rebase_usage,
                                   builtin_rebase_options);
 
-       if (options.type == REBASE_PRESERVE_MERGES)
-               warning(_("git rebase --preserve-merges is deprecated. "
-                         "Use --rebase-merges instead."));
-
        if (keep_base) {
                if (options.onto_name)
                        die(_("cannot combine '--keep-base' with '--onto'"));
@@ -1728,7 +1632,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                case REBASE_APPLY:
                        die(_("--strategy requires --merge or --interactive"));
                case REBASE_MERGE:
-               case REBASE_PRESERVE_MERGES:
                        /* compatible */
                        break;
                case REBASE_UNSPECIFIED:
@@ -1780,7 +1683,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 
        switch (options.type) {
        case REBASE_MERGE:
-       case REBASE_PRESERVE_MERGES:
                options.state_dir = merge_dir();
                break;
        case REBASE_APPLY:
@@ -1805,28 +1707,10 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
                options.reschedule_failed_exec = reschedule_failed_exec;
 
        if (options.signoff) {
-               if (options.type == REBASE_PRESERVE_MERGES)
-                       die("cannot combine '--signoff' with "
-                           "'--preserve-merges'");
                strvec_push(&options.git_am_opts, "--signoff");
                options.flags |= REBASE_FORCE;
        }
 
-       if (options.type == REBASE_PRESERVE_MERGES) {
-               /*
-                * 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"
-                */
-               if (options.rebase_merges)
-                       die(_("cannot combine '--preserve-merges' with "
-                             "'--rebase-merges'"));
-
-               if (options.reschedule_failed_exec)
-                       die(_("error: cannot combine '--preserve-merges' with "
-                             "'--reschedule-failed-exec'"));
-       }
-
        if (!options.root) {
                if (argc < 1) {
                        struct branch *branch;
diff --git a/git-rebase--preserve-merges.sh b/git-rebase--preserve-merges.sh
deleted file mode 100644 (file)
index b9c71d2..0000000
+++ /dev/null
@@ -1,1057 +0,0 @@
-# This shell script fragment is sourced by git-rebase to implement its
-# preserve-merges mode.
-#
-# Copyright (c) 2006 Johannes E. Schindelin
-#
-# 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")
-
-resolvemsg="
-$(gettext 'Resolve all conflicts manually, mark them as resolved with
-"git add/rm <conflicted_files>", then run "git rebase --continue".
-You can instead skip this commit: run "git rebase --skip".
-To abort and get back to the state before "git rebase", run "git rebase --abort".')
-"
-
-write_basic_state () {
-       echo "$head_name" > "$state_dir"/head-name &&
-       echo "$onto" > "$state_dir"/onto &&
-       echo "$orig_head" > "$state_dir"/orig-head &&
-       test t = "$GIT_QUIET" && : > "$state_dir"/quiet
-       test t = "$verbose" && : > "$state_dir"/verbose
-       test -n "$strategy" && echo "$strategy" > "$state_dir"/strategy
-       test -n "$strategy_opts" && echo "$strategy_opts" > \
-               "$state_dir"/strategy_opts
-       test -n "$allow_rerere_autoupdate" && echo "$allow_rerere_autoupdate" > \
-               "$state_dir"/allow_rerere_autoupdate
-       test -n "$gpg_sign_opt" && echo "$gpg_sign_opt" > "$state_dir"/gpg_sign_opt
-       test -n "$signoff" && echo "$signoff" >"$state_dir"/signoff
-       test -n "$reschedule_failed_exec" && : > "$state_dir"/reschedule-failed-exec
-}
-
-apply_autostash () {
-       if test -f "$state_dir/autostash"
-       then
-               stash_sha1=$(cat "$state_dir/autostash")
-               if git stash apply $stash_sha1 >/dev/null 2>&1
-               then
-                       echo "$(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
-}
-
-output () {
-       case "$verbose" in
-       '')
-               output=$("$@" 2>&1 )
-               status=$?
-               test $status != 0 && printf "%s\n" "$output"
-               return $status
-               ;;
-       *)
-               "$@"
-               ;;
-       esac
-}
-
-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
-}
-
-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 "$sha1"
-       then
-               empty_args="--allow-empty"
-       fi
-
-       pick_one_preserving_merges "$@"
-}
-
-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--interactive --expand-ids
-}
-
-collapse_todo_ids() {
-       git rebase--interactive --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 "$1" in
-       continue)
-               # do we have anything to commit?
-               if git diff-index --cached --quiet HEAD --
-               then
-                       # Nothing to commit -- skip this commit
-
-                       test ! -f "$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 "$state_dir"/stopped-sha)"
-               fi
-
-               require_clean_work_tree "rebase"
-               do_rest
-               return 0
-               ;;
-       skip)
-               git rerere clear
-               do_rest
-               return 0
-               ;;
-       edit-todo)
-               git stripspace --strip-comments <"$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--interactive --rearrange-squash || exit
-       test -n "$cmd" && git rebase--interactive --add-exec-commands --cmd "$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--interactive --check-todo-list || {
-               ret=$?
-               checkout_onto
-               exit $ret
-       }
-
-       expand_todo_ids
-       checkout_onto
-       do_rest
-}
-
-git_rebase__preserve_merges () {
-       initiate_action "$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
-}