[thirdparty/git.git] / builtin / rebase--interactive.c

#include "builtin.h"
#include "cache.h"
#include "config.h"
#include "parse-options.h"
#include "sequencer.h"
#include "rebase-interactive.h"
#include "argv-array.h"
#include "refs.h"
#include "rerere.h"
#include "run-command.h"

static GIT_PATH_FUNC(path_state_dir, "rebase-merge/")
static GIT_PATH_FUNC(path_squash_onto, "rebase-merge/squash-onto")
static GIT_PATH_FUNC(path_interactive, "rebase-merge/interactive")

static int add_exec_commands(struct string_list *commands)
{
	const char *todo_file = rebase_path_todo();
	struct todo_list todo_list = TODO_LIST_INIT;
	int res;

	if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
		return error_errno(_("could not read '%s'."), todo_file);

	if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf,
					&todo_list)) {
		todo_list_release(&todo_list);
		return error(_("unusable todo list: '%s'"), todo_file);
	}

	todo_list_add_exec_commands(&todo_list, commands);
	res = todo_list_write_to_file(the_repository, &todo_list,
				      todo_file, NULL, NULL, -1, 0);
	todo_list_release(&todo_list);

	if (res)
		return error_errno(_("could not write '%s'."), todo_file);
	return 0;
}

static int rearrange_squash_in_todo_file(void)
{
	const char *todo_file = rebase_path_todo();
	struct todo_list todo_list = TODO_LIST_INIT;
	int res = 0;

	if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
		return error_errno(_("could not read '%s'."), todo_file);
	if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf,
					&todo_list)) {
		todo_list_release(&todo_list);
		return error(_("unusable todo list: '%s'"), todo_file);
	}

	res = todo_list_rearrange_squash(&todo_list);
	if (!res)
		res = todo_list_write_to_file(the_repository, &todo_list,
					      todo_file, NULL, NULL, -1, 0);

	todo_list_release(&todo_list);

	if (res)
		return error_errno(_("could not write '%s'."), todo_file);
	return 0;
}

static int get_revision_ranges(const char *upstream, const char *onto,
			       const char **head_hash,
			       char **revisions, char **shortrevisions)
{
	const char *base_rev = upstream ? upstream : onto, *shorthead;
	struct object_id orig_head;

	if (get_oid("HEAD", &orig_head))
		return error(_("no HEAD?"));

	*head_hash = find_unique_abbrev(&orig_head, GIT_MAX_HEXSZ);
	*revisions = xstrfmt("%s...%s", base_rev, *head_hash);

	shorthead = find_unique_abbrev(&orig_head, DEFAULT_ABBREV);

	if (upstream) {
		const char *shortrev;
		struct object_id rev_oid;

		get_oid(base_rev, &rev_oid);
		shortrev = find_unique_abbrev(&rev_oid, DEFAULT_ABBREV);

		*shortrevisions = xstrfmt("%s..%s", shortrev, shorthead);
	} else
		*shortrevisions = xstrdup(shorthead);

	return 0;
}

static int init_basic_state(struct replay_opts *opts, const char *head_name,
			    const char *onto, const char *orig_head)
{
	FILE *interactive;

	if (!is_directory(path_state_dir()) && mkdir_in_gitdir(path_state_dir()))
		return error_errno(_("could not create temporary %s"), path_state_dir());

	delete_reflog("REBASE_HEAD");

	interactive = fopen(path_interactive(), "w");
	if (!interactive)
		return error_errno(_("could not mark as interactive"));
	fclose(interactive);

	return write_basic_state(opts, head_name, onto, orig_head);
}

static int do_interactive_rebase(struct replay_opts *opts, unsigned flags,
				 const char *switch_to, const char *upstream,
				 const char *onto, const char *onto_name,
				 const char *squash_onto, const char *head_name,
				 const char *restrict_revision, char *raw_strategies,
				 struct string_list *commands, unsigned autosquash)
{
	int ret;
	const char *head_hash = NULL;
	char *revisions = NULL, *shortrevisions = NULL;
	struct argv_array make_script_args = ARGV_ARRAY_INIT;
	struct todo_list todo_list = TODO_LIST_INIT;

	if (prepare_branch_to_be_rebased(opts, switch_to))
		return -1;

	if (get_revision_ranges(upstream, onto, &head_hash,
				&revisions, &shortrevisions))
		return -1;

	if (raw_strategies)
		parse_strategy_opts(opts, raw_strategies);

	if (init_basic_state(opts, head_name, onto, head_hash)) {
		free(revisions);
		free(shortrevisions);

		return -1;
	}

	if (!upstream && squash_onto)
		write_file(path_squash_onto(), "%s\n", squash_onto);

	argv_array_pushl(&make_script_args, "", revisions, NULL);
	if (restrict_revision)
		argv_array_push(&make_script_args, restrict_revision);

	ret = sequencer_make_script(the_repository, &todo_list.buf,
				    make_script_args.argc, make_script_args.argv,
				    flags);

	if (ret)
		error(_("could not generate todo list"));
	else {
		discard_cache();
		if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf,
						&todo_list))
			BUG("unusable todo list");

		ret = complete_action(the_repository, opts, flags, shortrevisions, onto_name,
				      onto, head_hash, commands, autosquash, &todo_list);
	}

	free(revisions);
	free(shortrevisions);
	todo_list_release(&todo_list);
	argv_array_clear(&make_script_args);

	return ret;
}

static const char * const builtin_rebase_interactive_usage[] = {
	N_("git rebase--interactive [<options>]"),
	NULL
};

int cmd_rebase__interactive(int argc, const char **argv, const char *prefix)
{
	struct replay_opts opts = REPLAY_OPTS_INIT;
	unsigned flags = 0, keep_empty = 0, rebase_merges = 0, autosquash = 0;
	int abbreviate_commands = 0, rebase_cousins = -1, ret = 0;
	const char *onto = NULL, *onto_name = NULL, *restrict_revision = NULL,
		*squash_onto = NULL, *upstream = NULL, *head_name = NULL,
		*switch_to = NULL, *cmd = NULL;
	struct string_list commands = STRING_LIST_INIT_DUP;
	char *raw_strategies = NULL;
	enum {
		NONE = 0, CONTINUE, SKIP, EDIT_TODO, SHOW_CURRENT_PATCH,
		SHORTEN_OIDS, EXPAND_OIDS, CHECK_TODO_LIST, REARRANGE_SQUASH, ADD_EXEC
	} command = 0;
	struct option options[] = {
		OPT_BOOL(0, "ff", &opts.allow_ff, N_("allow fast-forward")),
		OPT_BOOL(0, "keep-empty", &keep_empty, N_("keep empty commits")),
		OPT_BOOL(0, "allow-empty-message", &opts.allow_empty_message,
			 N_("allow commits with empty messages")),
		OPT_BOOL(0, "rebase-merges", &rebase_merges, N_("rebase merge commits")),
		OPT_BOOL(0, "rebase-cousins", &rebase_cousins,
			 N_("keep original branch points of cousins")),
		OPT_BOOL(0, "autosquash", &autosquash,
			 N_("move commits that begin with squash!/fixup!")),
		OPT_BOOL(0, "signoff", &opts.signoff, N_("sign commits")),
		OPT__VERBOSE(&opts.verbose, N_("be verbose")),
		OPT_CMDMODE(0, "continue", &command, N_("continue rebase"),
			    CONTINUE),
		OPT_CMDMODE(0, "skip", &command, N_("skip commit"), SKIP),
		OPT_CMDMODE(0, "edit-todo", &command, N_("edit the todo list"),
			    EDIT_TODO),
		OPT_CMDMODE(0, "show-current-patch", &command, N_("show the current patch"),
			    SHOW_CURRENT_PATCH),
		OPT_CMDMODE(0, "shorten-ids", &command,
			N_("shorten commit ids in the todo list"), SHORTEN_OIDS),
		OPT_CMDMODE(0, "expand-ids", &command,
			N_("expand commit ids in the todo list"), EXPAND_OIDS),
		OPT_CMDMODE(0, "check-todo-list", &command,
			N_("check the todo list"), CHECK_TODO_LIST),
		OPT_CMDMODE(0, "rearrange-squash", &command,
			N_("rearrange fixup/squash lines"), REARRANGE_SQUASH),
		OPT_CMDMODE(0, "add-exec-commands", &command,
			N_("insert exec commands in todo list"), ADD_EXEC),
		OPT_STRING(0, "onto", &onto, N_("onto"), N_("onto")),
		OPT_STRING(0, "restrict-revision", &restrict_revision,
			   N_("restrict-revision"), N_("restrict revision")),
		OPT_STRING(0, "squash-onto", &squash_onto, N_("squash-onto"),
			   N_("squash onto")),
		OPT_STRING(0, "upstream", &upstream, N_("upstream"),
			   N_("the upstream commit")),
		OPT_STRING(0, "head-name", &head_name, N_("head-name"), N_("head name")),
		{ OPTION_STRING, 'S', "gpg-sign", &opts.gpg_sign, N_("key-id"),
			N_("GPG-sign commits"),
			PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
		OPT_STRING(0, "strategy", &opts.strategy, N_("strategy"),
			   N_("rebase strategy")),
		OPT_STRING(0, "strategy-opts", &raw_strategies, N_("strategy-opts"),
			   N_("strategy options")),
		OPT_STRING(0, "switch-to", &switch_to, N_("switch-to"),
			   N_("the branch or commit to checkout")),
		OPT_STRING(0, "onto-name", &onto_name, N_("onto-name"), N_("onto name")),
		OPT_STRING(0, "cmd", &cmd, N_("cmd"), N_("the command to run")),
		OPT_RERERE_AUTOUPDATE(&opts.allow_rerere_auto),
		OPT_END()
	};

	sequencer_init_config(&opts);
	git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands);

	opts.action = REPLAY_INTERACTIVE_REBASE;
	opts.allow_ff = 1;
	opts.allow_empty = 1;

	if (argc == 1)
		usage_with_options(builtin_rebase_interactive_usage, options);

	argc = parse_options(argc, argv, NULL, options,
			builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0);

	opts.gpg_sign = xstrdup_or_null(opts.gpg_sign);

	flags |= keep_empty ? TODO_LIST_KEEP_EMPTY : 0;
	flags |= abbreviate_commands ? TODO_LIST_ABBREVIATE_CMDS : 0;
	flags |= rebase_merges ? TODO_LIST_REBASE_MERGES : 0;
	flags |= rebase_cousins > 0 ? TODO_LIST_REBASE_COUSINS : 0;
	flags |= command == SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0;

	if (rebase_cousins >= 0 && !rebase_merges)
		warning(_("--[no-]rebase-cousins has no effect without "
			  "--rebase-merges"));

	if (cmd && *cmd) {
		string_list_split(&commands, cmd, '\n', -1);

		/* rebase.c adds a new line to cmd after every command,
		 * so here the last command is always empty */
		string_list_remove_empty_items(&commands, 0);
	}

	switch (command) {
	case NONE:
		if (!onto && !upstream)
			die(_("a base commit must be provided with --upstream or --onto"));

		ret = do_interactive_rebase(&opts, flags, switch_to, upstream, onto,
					    onto_name, squash_onto, head_name, restrict_revision,
					    raw_strategies, &commands, autosquash);
		break;
	case SKIP: {
		struct string_list merge_rr = STRING_LIST_INIT_DUP;

		rerere_clear(the_repository, &merge_rr);
		/* fallthrough */
	case CONTINUE:
		ret = sequencer_continue(the_repository, &opts);
		break;
	}
	case EDIT_TODO:
		ret = edit_todo_list(the_repository, flags);
		break;
	case SHOW_CURRENT_PATCH: {
		struct child_process cmd = CHILD_PROCESS_INIT;

		cmd.git_cmd = 1;
		argv_array_pushl(&cmd.args, "show", "REBASE_HEAD", "--", NULL);
		ret = run_command(&cmd);

		break;
	}
	case SHORTEN_OIDS:
	case EXPAND_OIDS:
		ret = transform_todo_file(the_repository, flags);
		break;
	case CHECK_TODO_LIST:
		ret = check_todo_list_from_file(the_repository);
		break;
	case REARRANGE_SQUASH:
		ret = rearrange_squash_in_todo_file();
		break;
	case ADD_EXEC:
		ret = add_exec_commands(&commands);
		break;
	default:
		BUG("invalid command '%d'", command);
	}

	string_list_clear(&commands, 0);
	return !!ret;
}
Commit	Line	Data
53bbcfbd AG	1	#include "builtin.h"
	2	#include "cache.h"
	3	#include "config.h"
	4	#include "parse-options.h"
	5	#include "sequencer.h"
	6	#include "rebase-interactive.h"
	7	#include "argv-array.h"
	8	#include "refs.h"
	9	#include "rerere.h"
	10	#include "run-command.h"
	11
	12	static GIT_PATH_FUNC(path_state_dir, "rebase-merge/")
	13	static GIT_PATH_FUNC(path_squash_onto, "rebase-merge/squash-onto")
	14	static GIT_PATH_FUNC(path_interactive, "rebase-merge/interactive")
	15
1ba204de AG	16	static int add_exec_commands(struct string_list *commands)
	17	{
	18	const char *todo_file = rebase_path_todo();
	19	struct todo_list todo_list = TODO_LIST_INIT;
	20	int res;
	21
	22	if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
	23	return error_errno(_("could not read '%s'."), todo_file);
	24
	25	if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf,
	26	&todo_list)) {
	27	todo_list_release(&todo_list);
	28	return error(_("unusable todo list: '%s'"), todo_file);
	29	}
	30
	31	todo_list_add_exec_commands(&todo_list, commands);
	32	res = todo_list_write_to_file(the_repository, &todo_list,
	33	todo_file, NULL, NULL, -1, 0);
	34	todo_list_release(&todo_list);
	35
	36	if (res)
	37	return error_errno(_("could not write '%s'."), todo_file);
	38	return 0;
	39	}
	40
79d7e883 AG	41	static int rearrange_squash_in_todo_file(void)
	42	{
	43	const char *todo_file = rebase_path_todo();
	44	struct todo_list todo_list = TODO_LIST_INIT;
	45	int res = 0;
	46
	47	if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
	48	return error_errno(_("could not read '%s'."), todo_file);
	49	if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf,
	50	&todo_list)) {
	51	todo_list_release(&todo_list);
	52	return error(_("unusable todo list: '%s'"), todo_file);
	53	}
	54
	55	res = todo_list_rearrange_squash(&todo_list);
	56	if (!res)
	57	res = todo_list_write_to_file(the_repository, &todo_list,
	58	todo_file, NULL, NULL, -1, 0);
	59
	60	todo_list_release(&todo_list);
	61
	62	if (res)
	63	return error_errno(_("could not write '%s'."), todo_file);
	64	return 0;
	65	}
	66
53bbcfbd AG	67	static int get_revision_ranges(const char upstream, const char onto,
	68	const char **head_hash,
	69	char revisions, char shortrevisions)
	70	{
	71	const char base_rev = upstream ? upstream : onto, shorthead;
	72	struct object_id orig_head;
	73
	74	if (get_oid("HEAD", &orig_head))
	75	return error(_("no HEAD?"));
	76
	77	*head_hash = find_unique_abbrev(&orig_head, GIT_MAX_HEXSZ);
	78	revisions = xstrfmt("%s...%s", base_rev, head_hash);
	79
	80	shorthead = find_unique_abbrev(&orig_head, DEFAULT_ABBREV);
	81
	82	if (upstream) {
	83	const char *shortrev;
	84	struct object_id rev_oid;
	85
	86	get_oid(base_rev, &rev_oid);
	87	shortrev = find_unique_abbrev(&rev_oid, DEFAULT_ABBREV);
	88
	89	*shortrevisions = xstrfmt("%s..%s", shortrev, shorthead);
	90	} else
	91	*shortrevisions = xstrdup(shorthead);
	92
	93	return 0;
	94	}
	95
	96	static int init_basic_state(struct replay_opts opts, const char head_name,
	97	const char onto, const char orig_head)
	98	{
	99	FILE *interactive;
	100
	101	if (!is_directory(path_state_dir()) && mkdir_in_gitdir(path_state_dir()))
	102	return error_errno(_("could not create temporary %s"), path_state_dir());
	103
	104	delete_reflog("REBASE_HEAD");
	105
	106	interactive = fopen(path_interactive(), "w");
	107	if (!interactive)
	108	return error_errno(_("could not mark as interactive"));
	109	fclose(interactive);
	110
	111	return write_basic_state(opts, head_name, onto, orig_head);
	112	}
	113
	114	static int do_interactive_rebase(struct replay_opts *opts, unsigned flags,
	115	const char switch_to, const char upstream,
	116	const char onto, const char onto_name,
	117	const char squash_onto, const char head_name,
	118	const char restrict_revision, char raw_strategies,
683153a4	119	struct string_list *commands, unsigned autosquash)
53bbcfbd AG	120	{
	121	int ret;
	122	const char *head_hash = NULL;
	123	char revisions = NULL, shortrevisions = NULL;
	124	struct argv_array make_script_args = ARGV_ARRAY_INIT;
d358fc28	125	struct todo_list todo_list = TODO_LIST_INIT;
53bbcfbd AG	126
	127	if (prepare_branch_to_be_rebased(opts, switch_to))
	128	return -1;
	129
	130	if (get_revision_ranges(upstream, onto, &head_hash,
	131	&revisions, &shortrevisions))
	132	return -1;
	133
	134	if (raw_strategies)
	135	parse_strategy_opts(opts, raw_strategies);
	136
	137	if (init_basic_state(opts, head_name, onto, head_hash)) {
	138	free(revisions);
	139	free(shortrevisions);
	140
	141	return -1;
	142	}
	143
	144	if (!upstream && squash_onto)
	145	write_file(path_squash_onto(), "%s\n", squash_onto);
	146
53bbcfbd AG	147	argv_array_pushl(&make_script_args, "", revisions, NULL);
	148	if (restrict_revision)
	149	argv_array_push(&make_script_args, restrict_revision);
	150
d358fc28	151	ret = sequencer_make_script(the_repository, &todo_list.buf,
53bbcfbd AG	152	make_script_args.argc, make_script_args.argv,
53bbcfbd AG	153	flags);
53bbcfbd AG	154
	155	if (ret)
	156	error(_("could not generate todo list"));
	157	else {
	158	discard_cache();
94bcad79 AG	159	if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf,
	160	&todo_list))
	161	BUG("unusable todo list");
	162
	163	ret = complete_action(the_repository, opts, flags, shortrevisions, onto_name,
	164	onto, head_hash, commands, autosquash, &todo_list);
53bbcfbd AG	165	}
	166
	167	free(revisions);
	168	free(shortrevisions);
d358fc28	169	todo_list_release(&todo_list);
53bbcfbd AG	170	argv_array_clear(&make_script_args);
	171
	172	return ret;
	173	}
	174
	175	static const char * const builtin_rebase_interactive_usage[] = {
	176	N_("git rebase--interactive [<options>]"),
	177	NULL
	178	};
	179
	180	int cmd_rebase__interactive(int argc, const char *argv, const char prefix)
	181	{
	182	struct replay_opts opts = REPLAY_OPTS_INIT;
	183	unsigned flags = 0, keep_empty = 0, rebase_merges = 0, autosquash = 0;
0af129b2	184	int abbreviate_commands = 0, rebase_cousins = -1, ret = 0;
53bbcfbd AG	185	const char onto = NULL, onto_name = NULL, *restrict_revision = NULL,
	186	squash_onto = NULL, upstream = NULL, *head_name = NULL,
	187	switch_to = NULL, cmd = NULL;
683153a4	188	struct string_list commands = STRING_LIST_INIT_DUP;
53bbcfbd	189	char *raw_strategies = NULL;
0af129b2	190	enum {
34b47315 AG	191	NONE = 0, CONTINUE, SKIP, EDIT_TODO, SHOW_CURRENT_PATCH,
34b47315 AG	192	SHORTEN_OIDS, EXPAND_OIDS, CHECK_TODO_LIST, REARRANGE_SQUASH, ADD_EXEC
0af129b2	193	} command = 0;
53bbcfbd AG	194	struct option options[] = {
	195	OPT_BOOL(0, "ff", &opts.allow_ff, N_("allow fast-forward")),
	196	OPT_BOOL(0, "keep-empty", &keep_empty, N_("keep empty commits")),
	197	OPT_BOOL(0, "allow-empty-message", &opts.allow_empty_message,
	198	N_("allow commits with empty messages")),
	199	OPT_BOOL(0, "rebase-merges", &rebase_merges, N_("rebase merge commits")),
	200	OPT_BOOL(0, "rebase-cousins", &rebase_cousins,
	201	N_("keep original branch points of cousins")),
	202	OPT_BOOL(0, "autosquash", &autosquash,
	203	N_("move commits that begin with squash!/fixup!")),
	204	OPT_BOOL(0, "signoff", &opts.signoff, N_("sign commits")),
	205	OPT__VERBOSE(&opts.verbose, N_("be verbose")),
0af129b2 AG	206	OPT_CMDMODE(0, "continue", &command, N_("continue rebase"),
	207	CONTINUE),
	208	OPT_CMDMODE(0, "skip", &command, N_("skip commit"), SKIP),
	209	OPT_CMDMODE(0, "edit-todo", &command, N_("edit the todo list"),
	210	EDIT_TODO),
	211	OPT_CMDMODE(0, "show-current-patch", &command, N_("show the current patch"),
	212	SHOW_CURRENT_PATCH),
34b47315 AG	213	OPT_CMDMODE(0, "shorten-ids", &command,
	214	N_("shorten commit ids in the todo list"), SHORTEN_OIDS),
	215	OPT_CMDMODE(0, "expand-ids", &command,
	216	N_("expand commit ids in the todo list"), EXPAND_OIDS),
	217	OPT_CMDMODE(0, "check-todo-list", &command,
	218	N_("check the todo list"), CHECK_TODO_LIST),
	219	OPT_CMDMODE(0, "rearrange-squash", &command,
	220	N_("rearrange fixup/squash lines"), REARRANGE_SQUASH),
	221	OPT_CMDMODE(0, "add-exec-commands", &command,
	222	N_("insert exec commands in todo list"), ADD_EXEC),
53bbcfbd AG	223	OPT_STRING(0, "onto", &onto, N_("onto"), N_("onto")),
	224	OPT_STRING(0, "restrict-revision", &restrict_revision,
	225	N_("restrict-revision"), N_("restrict revision")),
	226	OPT_STRING(0, "squash-onto", &squash_onto, N_("squash-onto"),
	227	N_("squash onto")),
	228	OPT_STRING(0, "upstream", &upstream, N_("upstream"),
	229	N_("the upstream commit")),
	230	OPT_STRING(0, "head-name", &head_name, N_("head-name"), N_("head name")),
	231	{ OPTION_STRING, 'S', "gpg-sign", &opts.gpg_sign, N_("key-id"),
	232	N_("GPG-sign commits"),
	233	PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
	234	OPT_STRING(0, "strategy", &opts.strategy, N_("strategy"),
	235	N_("rebase strategy")),
	236	OPT_STRING(0, "strategy-opts", &raw_strategies, N_("strategy-opts"),
	237	N_("strategy options")),
	238	OPT_STRING(0, "switch-to", &switch_to, N_("switch-to"),
	239	N_("the branch or commit to checkout")),
	240	OPT_STRING(0, "onto-name", &onto_name, N_("onto-name"), N_("onto name")),
	241	OPT_STRING(0, "cmd", &cmd, N_("cmd"), N_("the command to run")),
	242	OPT_RERERE_AUTOUPDATE(&opts.allow_rerere_auto),
	243	OPT_END()
	244	};
	245
	246	sequencer_init_config(&opts);
	247	git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands);
	248
	249	opts.action = REPLAY_INTERACTIVE_REBASE;
	250	opts.allow_ff = 1;
	251	opts.allow_empty = 1;
	252
	253	if (argc == 1)
	254	usage_with_options(builtin_rebase_interactive_usage, options);
	255
	256	argc = parse_options(argc, argv, NULL, options,
	257	builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0);
	258
	259	opts.gpg_sign = xstrdup_or_null(opts.gpg_sign);
	260
	261	flags \|= keep_empty ? TODO_LIST_KEEP_EMPTY : 0;
	262	flags \|= abbreviate_commands ? TODO_LIST_ABBREVIATE_CMDS : 0;
	263	flags \|= rebase_merges ? TODO_LIST_REBASE_MERGES : 0;
	264	flags \|= rebase_cousins > 0 ? TODO_LIST_REBASE_COUSINS : 0;
34b47315	265	flags \|= command == SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0;
53bbcfbd AG	266
	267	if (rebase_cousins >= 0 && !rebase_merges)
	268	warning(_("--[no-]rebase-cousins has no effect without "
	269	"--rebase-merges"));
	270
683153a4 AG	271	if (cmd && *cmd) {
	272	string_list_split(&commands, cmd, '\n', -1);
	273
	274	/* rebase.c adds a new line to cmd after every command,
	275	* so here the last command is always empty */
	276	string_list_remove_empty_items(&commands, 0);
	277	}
	278
0af129b2 AG	279	switch (command) {
	280	case NONE:
	281	if (!onto && !upstream)
	282	die(_("a base commit must be provided with --upstream or --onto"));
	283
	284	ret = do_interactive_rebase(&opts, flags, switch_to, upstream, onto,
	285	onto_name, squash_onto, head_name, restrict_revision,
683153a4	286	raw_strategies, &commands, autosquash);
0af129b2 AG	287	break;
	288	case SKIP: {
	289	struct string_list merge_rr = STRING_LIST_INIT_DUP;
	290
55e6b354	291	rerere_clear(the_repository, &merge_rr);
0af129b2 AG	292	/* fallthrough */
0af129b2 AG	293	case CONTINUE:
f11c9580	294	ret = sequencer_continue(the_repository, &opts);
0af129b2 AG	295	break;
	296	}
	297	case EDIT_TODO:
36e7ed69	298	ret = edit_todo_list(the_repository, flags);
0af129b2 AG	299	break;
	300	case SHOW_CURRENT_PATCH: {
	301	struct child_process cmd = CHILD_PROCESS_INIT;
	302
	303	cmd.git_cmd = 1;
	304	argv_array_pushl(&cmd.args, "show", "REBASE_HEAD", "--", NULL);
	305	ret = run_command(&cmd);
	306
	307	break;
	308	}
34b47315 AG	309	case SHORTEN_OIDS:
34b47315 AG	310	case EXPAND_OIDS:
cbef27d6	311	ret = transform_todo_file(the_repository, flags);
34b47315 AG	312	break;
34b47315 AG	313	case CHECK_TODO_LIST:
6ca89c6f	314	ret = check_todo_list_from_file(the_repository);
34b47315 AG	315	break;
34b47315 AG	316	case REARRANGE_SQUASH:
79d7e883	317	ret = rearrange_squash_in_todo_file();
34b47315 AG	318	break;
34b47315 AG	319	case ADD_EXEC:
1ba204de	320	ret = add_exec_commands(&commands);
34b47315	321	break;
0af129b2 AG	322	default:
	323	BUG("invalid command '%d'", command);
	324	}
53bbcfbd	325
683153a4	326	string_list_clear(&commands, 0);
0af129b2	327	return !!ret;
53bbcfbd	328	}