1 files changed, 77 insertions, 0 deletions
diff --git a/builtin/rebase--helper.c b/builtin/rebase--helper.c
new file mode 100644
index 0000000000..7daee544b7
--- /dev/null
+++ b/builtin/rebase--helper.c
@@ -0,0 +1,77 @@
+#include "builtin.h"
+#include "cache.h"
+#include "config.h"
+#include "parse-options.h"
+#include "sequencer.h"
+
+static const char * const builtin_rebase_helper_usage[] = {
+	N_("git rebase--helper [<options>]"),
+	NULL
+};
+
+int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
+{
+	struct replay_opts opts = REPLAY_OPTS_INIT;
+	unsigned flags = 0, keep_empty = 0;
+	int abbreviate_commands = 0;
+	enum {
+		CONTINUE = 1, ABORT, MAKE_SCRIPT, SHORTEN_OIDS, EXPAND_OIDS,
+		CHECK_TODO_LIST, SKIP_UNNECESSARY_PICKS, 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_CMDMODE(0, "continue", &command, N_("continue rebase"),
+				CONTINUE),
+		OPT_CMDMODE(0, "abort", &command, N_("abort rebase"),
+				ABORT),
+		OPT_CMDMODE(0, "make-script", &command,
+			N_("make rebase script"), MAKE_SCRIPT),
+		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, "skip-unnecessary-picks", &command,
+			N_("skip unnecessary picks"), SKIP_UNNECESSARY_PICKS),
+		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_END()
+	};
+
+	git_config(git_default_config, NULL);
+	git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands);
+
+	opts.action = REPLAY_INTERACTIVE_REBASE;
+	opts.allow_ff = 1;
+	opts.allow_empty = 1;
+
+	argc = parse_options(argc, argv, NULL, options,
+			builtin_rebase_helper_usage, PARSE_OPT_KEEP_ARGV0);
+
+	flags |= keep_empty ? TODO_LIST_KEEP_EMPTY : 0;
+	flags |= abbreviate_commands ? TODO_LIST_ABBREVIATE_CMDS : 0;
+	flags |= command == SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0;
+
+	if (command == CONTINUE && argc == 1)
+		return !!sequencer_continue(&opts);
+	if (command == ABORT && argc == 1)
+		return !!sequencer_remove_state(&opts);
+	if (command == MAKE_SCRIPT && argc > 1)
+		return !!sequencer_make_script(stdout, argc, argv, flags);
+	if ((command == SHORTEN_OIDS || command == EXPAND_OIDS) && argc == 1)
+		return !!transform_todos(flags);
+	if (command == CHECK_TODO_LIST && argc == 1)
+		return !!check_todo_list();
+	if (command == SKIP_UNNECESSARY_PICKS && argc == 1)
+		return !!skip_unnecessary_picks();
+	if (command == REARRANGE_SQUASH && argc == 1)
+		return !!rearrange_squash();
+	if (command == ADD_EXEC && argc == 2)
+		return !!sequencer_add_exec_commands(argv[1]);
+	usage_with_options(builtin_rebase_helper_usage, options);
+}