#include "config.h"
#include "lockfile.h"
#include "dir.h"
+#include "object-store.h"
#include "object.h"
#include "commit.h"
#include "sequencer.h"
#include "oidset.h"
#include "commit-slab.h"
#include "alias.h"
+#include "rebase-interactive.h"
#define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
* the lines are processed, they are removed from the front of this
* file and written to the tail of 'done'.
*/
-static GIT_PATH_FUNC(rebase_path_todo, "rebase-merge/git-rebase-todo")
+GIT_PATH_FUNC(rebase_path_todo, "rebase-merge/git-rebase-todo")
+static GIT_PATH_FUNC(rebase_path_todo_backup,
+ "rebase-merge/git-rebase-todo.backup")
+
/*
* The rebase command lines that have already been processed. A line
* is moved here when it is first handled, before any associated user
* The file to keep track of how many commands were already processed (e.g.
* for the prompt).
*/
-static GIT_PATH_FUNC(rebase_path_msgnum, "rebase-merge/msgnum");
+static GIT_PATH_FUNC(rebase_path_msgnum, "rebase-merge/msgnum")
/*
* The file to keep track of how many commands are to be processed in total
* (e.g. for the prompt).
*/
-static GIT_PATH_FUNC(rebase_path_msgtotal, "rebase-merge/end");
+static GIT_PATH_FUNC(rebase_path_msgtotal, "rebase-merge/end")
/*
* The commit message that is planned to be used for any changes that
* need to be committed following a user interaction.
/*
* The following files are written by git-rebase just after parsing the
- * command-line (and are only consumed, not modified, by the sequencer).
+ * command-line.
*/
static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt")
static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head")
static GIT_PATH_FUNC(rebase_path_strategy, "rebase-merge/strategy")
static GIT_PATH_FUNC(rebase_path_strategy_opts, "rebase-merge/strategy_opts")
static GIT_PATH_FUNC(rebase_path_allow_rerere_autoupdate, "rebase-merge/allow_rerere_autoupdate")
+static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet")
static int git_sequencer_config(const char *k, const char *v, void *cb)
{
* (typically rebase --interactive) wants to take care
* of the commit itself so remove CHERRY_PICK_HEAD
*/
- unlink(git_path_cherry_pick_head());
+ unlink(git_path_cherry_pick_head(the_repository));
return;
}
}
}
-static int write_message(const void *buf, size_t len, const char *filename,
- int append_eol)
+int write_message(const void *buf, size_t len, const char *filename,
+ int append_eol)
{
struct lock_file msg_file = LOCK_INIT;
static struct tree *empty_tree(void)
{
- return lookup_tree(the_hash_algo->empty_tree);
+ return lookup_tree(the_repository, the_repository->hash_algo->empty_tree);
}
static int error_dirty_index(struct replay_opts *opts)
if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL))
return error(_("could not resolve HEAD commit"));
- head_commit = lookup_commit(&head_oid);
+ head_commit = lookup_commit(the_repository, &head_oid);
/*
* If head_commit is NULL, check_commit, called from
#define VERIFY_MSG (1<<4)
#define CREATE_ROOT_COMMIT (1<<5)
+static int run_command_silent_on_success(struct child_process *cmd)
+{
+ struct strbuf buf = STRBUF_INIT;
+ int rc;
+
+ cmd->stdout_to_stderr = 1;
+ rc = pipe_command(cmd,
+ NULL, 0,
+ NULL, 0,
+ &buf, 0);
+
+ if (rc)
+ fputs(buf.buf, stderr);
+ strbuf_release(&buf);
+ return rc;
+}
+
/*
* If we are cherry-pick, and if the merge did not result in
* hand-editing, we will hit this commit and inherit the original
cmd.git_cmd = 1;
- if (is_rebase_i(opts)) {
- if (!(flags & EDIT_MSG)) {
- cmd.stdout_to_stderr = 1;
- cmd.err = -1;
- }
+ if (is_rebase_i(opts) && read_env_script(&cmd.env_array)) {
+ const char *gpg_opt = gpg_sign_opt_quoted(opts);
- if (read_env_script(&cmd.env_array)) {
- const char *gpg_opt = gpg_sign_opt_quoted(opts);
-
- return error(_(staged_changes_advice),
- gpg_opt, gpg_opt);
- }
+ return error(_(staged_changes_advice),
+ gpg_opt, gpg_opt);
}
argv_array_push(&cmd.args, "commit");
if (opts->allow_empty_message)
argv_array_push(&cmd.args, "--allow-empty-message");
- if (cmd.err == -1) {
- /* hide stderr on success */
- struct strbuf buf = STRBUF_INIT;
- int rc = pipe_command(&cmd,
- NULL, 0,
- /* stdout is already redirected */
- NULL, 0,
- &buf, 0);
- if (rc)
- fputs(buf.buf, stderr);
- strbuf_release(&buf);
- return rc;
- }
-
- return run_command(&cmd);
+ if (is_rebase_i(opts) && !(flags & EDIT_MSG))
+ return run_command_silent_on_success(&cmd);
+ else
+ return run_command(&cmd);
}
static int rest_is_empty(const struct strbuf *sb, int start)
struct strbuf author_ident = STRBUF_INIT;
struct strbuf committer_ident = STRBUF_INIT;
- commit = lookup_commit(oid);
+ commit = lookup_commit(the_repository, oid);
if (!commit)
die(_("couldn't look up newly created commit"));
if (parse_commit(commit))
if (get_oid("HEAD", &oid)) {
current_head = NULL;
} else {
- current_head = lookup_commit_reference(&oid);
+ current_head = lookup_commit_reference(the_repository, &oid);
if (!current_head)
return error(_("could not parse HEAD"));
if (oidcmp(&oid, ¤t_head->object.oid)) {
&oid);
strbuf_release(&sb);
if (!res) {
- unlink(git_path_cherry_pick_head());
- unlink(git_path_merge_msg());
+ unlink(git_path_cherry_pick_head(the_repository));
+ unlink(git_path_merge_msg(the_repository));
if (!is_rebase_i(opts))
print_commit_summary(NULL, &oid,
SUMMARY_SHOW_AUTHOR_DATE);
if (get_oid("HEAD", &head))
return error(_("need a HEAD to fixup"));
- if (!(head_commit = lookup_commit_reference(&head)))
+ if (!(head_commit = lookup_commit_reference(the_repository, &head)))
return error(_("could not read HEAD"));
if (!(head_message = get_commit_buffer(head_commit, NULL)))
return error(_("could not read HEAD's commit message"));
struct replay_opts *opts, int final_fixup)
{
unsigned int flags = opts->edit ? EDIT_MSG : 0;
- const char *msg_file = opts->edit ? NULL : git_path_merge_msg();
+ const char *msg_file = opts->edit ? NULL : git_path_merge_msg(the_repository);
struct object_id head;
struct commit *base, *next, *parent;
const char *base_label, *next_label;
flags |= CLEANUP_MSG;
msg_file = rebase_path_fixup_msg();
} else {
- const char *dest = git_path_squash_msg();
+ const char *dest = git_path_squash_msg(the_repository);
unlink(dest);
if (copy_file(dest, rebase_path_squash_msg(), 0666))
return error(_("could not rename '%s' to '%s'"),
rebase_path_squash_msg(), dest);
- unlink(git_path_merge_msg());
+ unlink(git_path_merge_msg(the_repository));
msg_file = dest;
flags |= EDIT_MSG;
}
goto leave;
res |= write_message(msgbuf.buf, msgbuf.len,
- git_path_merge_msg(), 0);
+ git_path_merge_msg(the_repository), 0);
} else {
struct commit_list *common = NULL;
struct commit_list *remotes = NULL;
res = write_message(msgbuf.buf, msgbuf.len,
- git_path_merge_msg(), 0);
+ git_path_merge_msg(the_repository), 0);
commit_list_insert(base, &common);
commit_list_insert(next, &remotes);
if (prepare_revision_walk(opts->revs))
return error(_("revision walk setup failed"));
- if (!opts->revs->commits)
- return error(_("empty commit set passed"));
return 0;
}
if (status < 0)
return -1;
- item->commit = lookup_commit_reference(&commit_oid);
+ item->commit = lookup_commit_reference(the_repository, &commit_oid);
return !item->commit;
}
return 0;
}
-static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf)
+void parse_strategy_opts(struct replay_opts *opts, char *raw_opts)
{
int i;
+ char *strategy_opts_string = raw_opts;
- strbuf_reset(buf);
- if (!read_oneliner(buf, rebase_path_strategy(), 0))
- return;
- opts->strategy = strbuf_detach(buf, NULL);
- if (!read_oneliner(buf, rebase_path_strategy_opts(), 0))
- return;
+ if (*strategy_opts_string == ' ')
+ strategy_opts_string++;
- opts->xopts_nr = split_cmdline(buf->buf, (const char ***)&opts->xopts);
+ opts->xopts_nr = split_cmdline(strategy_opts_string,
+ (const char ***)&opts->xopts);
for (i = 0; i < opts->xopts_nr; i++) {
const char *arg = opts->xopts[i];
}
}
+static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf)
+{
+ strbuf_reset(buf);
+ if (!read_oneliner(buf, rebase_path_strategy(), 0))
+ return;
+ opts->strategy = strbuf_detach(buf, NULL);
+ if (!read_oneliner(buf, rebase_path_strategy_opts(), 0))
+ return;
+
+ parse_strategy_opts(opts, buf->buf);
+}
+
static int read_populate_opts(struct replay_opts *opts)
{
if (is_rebase_i(opts)) {
return 0;
}
+static void write_strategy_opts(struct replay_opts *opts)
+{
+ int i;
+ struct strbuf buf = STRBUF_INIT;
+
+ for (i = 0; i < opts->xopts_nr; ++i)
+ strbuf_addf(&buf, " --%s", opts->xopts[i]);
+
+ write_file(rebase_path_strategy_opts(), "%s\n", buf.buf);
+ strbuf_release(&buf);
+}
+
+int write_basic_state(struct replay_opts *opts, const char *head_name,
+ const char *onto, const char *orig_head)
+{
+ const char *quiet = getenv("GIT_QUIET");
+
+ if (head_name)
+ write_file(rebase_path_head_name(), "%s\n", head_name);
+ if (onto)
+ write_file(rebase_path_onto(), "%s\n", onto);
+ if (orig_head)
+ write_file(rebase_path_orig_head(), "%s\n", orig_head);
+
+ if (quiet)
+ write_file(rebase_path_quiet(), "%s\n", quiet);
+ else
+ write_file(rebase_path_quiet(), "\n");
+
+ if (opts->verbose)
+ write_file(rebase_path_verbose(), "");
+ if (opts->strategy)
+ write_file(rebase_path_strategy(), "%s\n", opts->strategy);
+ if (opts->xopts_nr > 0)
+ write_strategy_opts(opts);
+
+ if (opts->allow_rerere_auto == RERERE_AUTOUPDATE)
+ write_file(rebase_path_allow_rerere_autoupdate(), "--rerere-autoupdate\n");
+ else if (opts->allow_rerere_auto == RERERE_NOAUTOUPDATE)
+ write_file(rebase_path_allow_rerere_autoupdate(), "--no-rerere-autoupdate\n");
+
+ if (opts->gpg_sign)
+ write_file(rebase_path_gpg_sign_opt(), "-S%s\n", opts->gpg_sign);
+ if (opts->signoff)
+ write_file(rebase_path_signoff(), "--signoff\n");
+
+ return 0;
+}
+
static int walk_revs_populate_todo(struct todo_list *todo_list,
struct replay_opts *opts)
{
short_commit_name(commit), subject_len, subject);
unuse_commit_buffer(commit, commit_buffer);
}
+
+ if (!todo_list->nr)
+ return error(_("empty commit set passed"));
+
return 0;
}
{
struct object_id head_oid;
- if (!file_exists(git_path_cherry_pick_head()) &&
- !file_exists(git_path_revert_head()))
+ if (!file_exists(git_path_cherry_pick_head(the_repository)) &&
+ !file_exists(git_path_revert_head(the_repository)))
return error(_("no cherry-pick or revert in progress"));
if (read_ref_full("HEAD", 0, &head_oid, NULL))
return error(_("cannot resolve HEAD"));
if (copy_file(rebase_path_message(), rebase_path_squash_msg(), 0666))
return error(_("could not copy '%s' to '%s'"),
rebase_path_squash_msg(), rebase_path_message());
- unlink(git_path_merge_msg());
- if (copy_file(git_path_merge_msg(), rebase_path_message(), 0666))
+ unlink(git_path_merge_msg(the_repository));
+ if (copy_file(git_path_merge_msg(the_repository), rebase_path_message(), 0666))
return error(_("could not copy '%s' to '%s'"),
- rebase_path_message(), git_path_merge_msg());
+ rebase_path_message(),
+ git_path_merge_msg(the_repository));
return error_with_patch(commit, subject, subject_len, opts, 1, 0);
}
fprintf(stderr, "Executing: %s\n", command_line);
child_argv[0] = command_line;
argv_array_pushf(&child_env, "GIT_DIR=%s", absolute_path(get_git_dir()));
+ argv_array_pushf(&child_env, "GIT_WORK_TREE=%s",
+ absolute_path(get_git_work_tree()));
status = run_command_v_opt_cd_env(child_argv, RUN_USING_SHELL, NULL,
child_env.argv);
write_author_script(message);
find_commit_subject(message, &body);
len = strlen(body);
- ret = write_message(body, len, git_path_merge_msg(), 0);
+ ret = write_message(body, len, git_path_merge_msg(the_repository), 0);
unuse_commit_buffer(commit, message);
if (ret) {
error_errno(_("could not write '%s'"),
- git_path_merge_msg());
+ git_path_merge_msg(the_repository));
goto leave_merge;
}
} else {
len = buf.len;
}
- ret = write_message(p, len, git_path_merge_msg(), 0);
+ ret = write_message(p, len, git_path_merge_msg(the_repository), 0);
strbuf_release(&buf);
if (ret) {
error_errno(_("could not write '%s'"),
- git_path_merge_msg());
+ git_path_merge_msg(the_repository));
goto leave_merge;
}
}
argv_array_push(&cmd.args, "--no-log");
argv_array_push(&cmd.args, "--no-stat");
argv_array_push(&cmd.args, "-F");
- argv_array_push(&cmd.args, git_path_merge_msg());
+ argv_array_push(&cmd.args, git_path_merge_msg(the_repository));
if (opts->gpg_sign)
argv_array_push(&cmd.args, opts->gpg_sign);
oid_to_hex(&j->item->object.oid));
strbuf_release(&ref_name);
- unlink(git_path_cherry_pick_head());
+ unlink(git_path_cherry_pick_head(the_repository));
rollback_lock_file(&lock);
rollback_lock_file(&lock);
merge_commit = to_merge->item;
write_message(oid_to_hex(&merge_commit->object.oid), GIT_SHA1_HEXSZ,
- git_path_merge_head(), 0);
- write_message("no-ff", 5, git_path_merge_mode(), 0);
+ git_path_merge_head(the_repository), 0);
+ write_message("no-ff", 5, git_path_merge_mode(the_repository), 0);
bases = get_merge_bases(head_commit, merge_commit);
if (bases && !oidcmp(&merge_commit->object.oid,
* value (a negative one would indicate that the `merge`
* command needs to be rescheduled).
*/
- ret = !!run_git_commit(git_path_merge_msg(), opts,
+ ret = !!run_git_commit(git_path_merge_msg(the_repository), opts,
run_commit_flags);
leave_merge:
return buf.buf;
}
+static int run_git_checkout(struct replay_opts *opts, const char *commit,
+ const char *action)
+{
+ struct child_process cmd = CHILD_PROCESS_INIT;
+
+ cmd.git_cmd = 1;
+
+ argv_array_push(&cmd.args, "checkout");
+ argv_array_push(&cmd.args, commit);
+ argv_array_pushf(&cmd.env_array, GIT_REFLOG_ACTION "=%s", action);
+
+ if (opts->verbose)
+ return run_command(&cmd);
+ else
+ return run_command_silent_on_success(&cmd);
+}
+
+int prepare_branch_to_be_rebased(struct replay_opts *opts, const char *commit)
+{
+ const char *action;
+
+ if (commit && *commit) {
+ action = reflog_message(opts, "start", "checkout %s", commit);
+ if (run_git_checkout(opts, commit, action))
+ return error(_("could not checkout %s"), commit);
+ }
+
+ return 0;
+}
+
+static int checkout_onto(struct replay_opts *opts,
+ const char *onto_name, const char *onto,
+ const char *orig_head)
+{
+ struct object_id oid;
+ const char *action = reflog_message(opts, "start", "checkout %s", onto_name);
+
+ if (get_oid(orig_head, &oid))
+ return error(_("%s: not a valid OID"), orig_head);
+
+ if (run_git_checkout(opts, onto, action)) {
+ apply_autostash(opts);
+ sequencer_remove_state(opts);
+ return error(_("could not detach HEAD"));
+ }
+
+ return update_ref(NULL, "ORIG_HEAD", &oid, NULL, 0, UPDATE_REFS_MSG_ON_ERR);
+}
+
static const char rescheduled_advice[] =
N_("Could not execute the todo command\n"
"\n"
intend_to_amend();
return error_failed_squash(item->commit, opts,
item->arg_len, item->arg);
- } else if (res && is_rebase_i(opts) && item->commit)
+ } else if (res && is_rebase_i(opts) && item->commit) {
+ int to_amend = 0;
+ struct object_id oid;
+
+ /*
+ * If we are rewording and have either
+ * fast-forwarded already, or are about to
+ * create a new root commit, we want to amend,
+ * otherwise we do not.
+ */
+ if (item->command == TODO_REWORD &&
+ !get_oid("HEAD", &oid) &&
+ (!oidcmp(&item->commit->object.oid, &oid) ||
+ (opts->have_squash_onto &&
+ !oidcmp(&opts->squash_onto, &oid))))
+ to_amend = 1;
+
return res | error_with_patch(item->commit,
- item->arg, item->arg_len, opts, res,
- item->command == TODO_REWORD);
+ item->arg, item->arg_len, opts,
+ res, to_amend);
+ }
} else if (item->command == TODO_EXEC) {
char *end_of_arg = (char *)(item->arg + item->arg_len);
int saved = *end_of_arg;
{
const char *argv[] = { "commit", NULL };
- if (!file_exists(git_path_cherry_pick_head()) &&
- !file_exists(git_path_revert_head()))
+ if (!file_exists(git_path_cherry_pick_head(the_repository)) &&
+ !file_exists(git_path_revert_head(the_repository)))
return error(_("no cherry-pick or revert in progress"));
return run_command_v_opt(argv, RUN_GIT_CMD);
}
}
if (is_clean) {
- const char *cherry_pick_head = git_path_cherry_pick_head();
+ const char *cherry_pick_head = git_path_cherry_pick_head(the_repository);
if (file_exists(cherry_pick_head) && unlink(cherry_pick_head))
return error(_("could not remove CHERRY_PICK_HEAD"));
if (!is_rebase_i(opts)) {
/* Verify that the conflict has been resolved */
- if (file_exists(git_path_cherry_pick_head()) ||
- file_exists(git_path_revert_head())) {
+ if (file_exists(git_path_cherry_pick_head(the_repository)) ||
+ file_exists(git_path_revert_head(the_repository))) {
res = continue_single_pick();
if (res)
goto release_todo_list;
continue;
if (!get_oid(name, &oid)) {
- if (!lookup_commit_reference_gently(&oid, 1)) {
+ if (!lookup_commit_reference_gently(the_repository, &oid, 1)) {
enum object_type type = oid_object_info(the_repository,
&oid,
NULL);
if (prepare_revision_walk(opts->revs))
return error(_("revision walk setup failed"));
cmit = get_revision(opts->revs);
- if (!cmit || get_revision(opts->revs))
- return error("BUG: expected exactly one commit from walk");
+ if (!cmit)
+ return error(_("empty commit set passed"));
+ if (get_revision(opts->revs))
+ BUG("unexpected extra commit from walk");
return single_pick(cmit, opts);
}
entry = oidmap_get(&state.commit2label, &commit->object.oid);
if (entry)
- fprintf(out, "\n# Branch %s\n", entry->string);
+ fprintf(out, "\n%c Branch %s\n", comment_line_char, entry->string);
else
fprintf(out, "\n");
return i;
}
-enum check_level {
- CHECK_IGNORE = 0, CHECK_WARN, CHECK_ERROR
-};
-
-static enum check_level get_missing_commit_check_level(void)
+enum missing_commit_check_level get_missing_commit_check_level(void)
{
const char *value;
if (git_config_get_value("rebase.missingcommitscheck", &value) ||
!strcasecmp("ignore", value))
- return CHECK_IGNORE;
+ return MISSING_COMMIT_CHECK_IGNORE;
if (!strcasecmp("warn", value))
- return CHECK_WARN;
+ return MISSING_COMMIT_CHECK_WARN;
if (!strcasecmp("error", value))
- return CHECK_ERROR;
+ return MISSING_COMMIT_CHECK_ERROR;
warning(_("unrecognized setting %s for option "
"rebase.missingCommitsCheck. Ignoring."), value);
- return CHECK_IGNORE;
+ return MISSING_COMMIT_CHECK_IGNORE;
}
define_commit_slab(commit_seen, unsigned char);
*/
int check_todo_list(void)
{
- enum check_level check_level = get_missing_commit_check_level();
+ enum missing_commit_check_level check_level = get_missing_commit_check_level();
struct strbuf todo_file = STRBUF_INIT;
struct todo_list todo_list = TODO_LIST_INIT;
struct strbuf missing = STRBUF_INIT;
advise_to_edit_todo = res =
parse_insn_buffer(todo_list.buf.buf, &todo_list);
- if (res || check_level == CHECK_IGNORE)
+ if (res || check_level == MISSING_COMMIT_CHECK_IGNORE)
goto leave_check;
/* Mark the commits in git-rebase-todo as seen */
if (!missing.len)
goto leave_check;
- if (check_level == CHECK_ERROR)
+ if (check_level == MISSING_COMMIT_CHECK_ERROR)
advise_to_edit_todo = res = 1;
fprintf(stderr,
}
/* skip picking commits whose parents are unchanged */
-int skip_unnecessary_picks(void)
+static int skip_unnecessary_picks(struct object_id *output_oid)
{
const char *todo_file = rebase_path_todo();
struct strbuf buf = STRBUF_INIT;
struct todo_list todo_list = TODO_LIST_INIT;
- struct object_id onto_oid, *oid = &onto_oid, *parent_oid;
+ struct object_id *parent_oid;
int fd, i;
if (!read_oneliner(&buf, rebase_path_onto(), 0))
return error(_("could not read 'onto'"));
- if (get_oid(buf.buf, &onto_oid)) {
+ if (get_oid(buf.buf, output_oid)) {
strbuf_release(&buf);
return error(_("need a HEAD to fixup"));
}
if (item->commit->parents->next)
break; /* merge commit */
parent_oid = &item->commit->parents->item->object.oid;
- if (hashcmp(parent_oid->hash, oid->hash))
+ if (hashcmp(parent_oid->hash, output_oid->hash))
break;
- oid = &item->commit->object.oid;
+ oidcpy(output_oid, &item->commit->object.oid);
}
if (i > 0) {
int offset = get_item_line_offset(&todo_list, i);
todo_list.current = i;
if (is_fixup(peek_command(&todo_list, 0)))
- record_in_rewritten(oid, peek_command(&todo_list, 0));
+ record_in_rewritten(output_oid, peek_command(&todo_list, 0));
}
todo_list_release(&todo_list);
- printf("%s\n", oid_to_hex(oid));
return 0;
}
+int complete_action(struct replay_opts *opts, unsigned flags,
+ const char *shortrevisions, const char *onto_name,
+ const char *onto, const char *orig_head, const char *cmd,
+ unsigned autosquash)
+{
+ const char *shortonto, *todo_file = rebase_path_todo();
+ struct todo_list todo_list = TODO_LIST_INIT;
+ struct strbuf *buf = &(todo_list.buf);
+ struct object_id oid;
+ struct stat st;
+
+ get_oid(onto, &oid);
+ shortonto = find_unique_abbrev(&oid, DEFAULT_ABBREV);
+
+ if (!lstat(todo_file, &st) && st.st_size == 0 &&
+ write_message("noop\n", 5, todo_file, 0))
+ return -1;
+
+ if (autosquash && rearrange_squash())
+ return -1;
+
+ if (cmd && *cmd)
+ sequencer_add_exec_commands(cmd);
+
+ if (strbuf_read_file(buf, todo_file, 0) < 0)
+ return error_errno(_("could not read '%s'."), todo_file);
+
+ if (parse_insn_buffer(buf->buf, &todo_list)) {
+ todo_list_release(&todo_list);
+ return error(_("unusable todo list: '%s'"), todo_file);
+ }
+
+ if (count_commands(&todo_list) == 0) {
+ apply_autostash(opts);
+ sequencer_remove_state(opts);
+ todo_list_release(&todo_list);
+
+ return error(_("nothing to do"));
+ }
+
+ strbuf_addch(buf, '\n');
+ strbuf_commented_addf(buf, Q_("Rebase %s onto %s (%d command)",
+ "Rebase %s onto %s (%d commands)",
+ count_commands(&todo_list)),
+ shortrevisions, shortonto, count_commands(&todo_list));
+ append_todo_help(0, flags & TODO_LIST_KEEP_EMPTY, buf);
+
+ if (write_message(buf->buf, buf->len, todo_file, 0)) {
+ todo_list_release(&todo_list);
+ return -1;
+ }
+
+ if (copy_file(rebase_path_todo_backup(), todo_file, 0666))
+ return error(_("could not copy '%s' to '%s'."), todo_file,
+ rebase_path_todo_backup());
+
+ if (transform_todos(flags | TODO_LIST_SHORTEN_IDS))
+ return error(_("could not transform the todo list"));
+
+ strbuf_reset(buf);
+
+ if (launch_sequence_editor(todo_file, buf, NULL)) {
+ apply_autostash(opts);
+ sequencer_remove_state(opts);
+ todo_list_release(&todo_list);
+
+ return -1;
+ }
+
+ strbuf_stripspace(buf, 1);
+ if (buf->len == 0) {
+ apply_autostash(opts);
+ sequencer_remove_state(opts);
+ todo_list_release(&todo_list);
+
+ return error(_("nothing to do"));
+ }
+
+ todo_list_release(&todo_list);
+
+ if (check_todo_list()) {
+ checkout_onto(opts, onto_name, onto, orig_head);
+ return -1;
+ }
+
+ if (transform_todos(flags & ~(TODO_LIST_SHORTEN_IDS)))
+ return error(_("could not transform the todo list"));
+
+ if (opts->allow_ff && skip_unnecessary_picks(&oid))
+ return error(_("could not skip unnecessary pick commands"));
+
+ if (checkout_onto(opts, onto_name, oid_to_hex(&oid), orig_head))
+ return -1;
+;
+ if (require_clean_work_tree("rebase", "", 1, 1))
+ return -1;
+
+ return sequencer_continue(opts);
+}
+
struct subject2item_entry {
struct hashmap_entry entry;
int i;