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-rw-r--r--builtin/rebase--interactive.c274
1 files changed, 274 insertions, 0 deletions
diff --git a/builtin/rebase--interactive.c b/builtin/rebase--interactive.c
new file mode 100644
index 0000000000..c2c2d51a3b
--- /dev/null
+++ b/builtin/rebase--interactive.c
@@ -0,0 +1,274 @@
+#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 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,
+ const char *cmd, unsigned autosquash)
+{
+ int ret;
+ const char *head_hash = NULL;
+ char *revisions = NULL, *shortrevisions = NULL;
+ struct argv_array make_script_args = ARGV_ARRAY_INIT;
+ FILE *todo_list;
+
+ 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);
+
+ todo_list = fopen(rebase_path_todo(), "w");
+ if (!todo_list) {
+ free(revisions);
+ free(shortrevisions);
+
+ return error_errno(_("could not open %s"), rebase_path_todo());
+ }
+
+ 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,
+ make_script_args.argc, make_script_args.argv,
+ flags);
+ fclose(todo_list);
+
+ if (ret)
+ error(_("could not generate todo list"));
+ else {
+ discard_cache();
+ ret = complete_action(the_repository, opts, flags,
+ shortrevisions, onto_name, onto,
+ head_hash, cmd, autosquash);
+ }
+
+ free(revisions);
+ free(shortrevisions);
+ 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;
+ 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_BOOL(0, "reschedule-failed-exec", &opts.reschedule_failed_exec,
+ N_("automatically re-schedule any `exec` that fails")),
+ 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"));
+
+ 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, cmd, 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_todos(the_repository, flags);
+ break;
+ case CHECK_TODO_LIST:
+ ret = check_todo_list(the_repository);
+ break;
+ case REARRANGE_SQUASH:
+ ret = rearrange_squash(the_repository);
+ break;
+ case ADD_EXEC:
+ ret = sequencer_add_exec_commands(the_repository, cmd);
+ break;
+ default:
+ BUG("invalid command '%d'", command);
+ }
+
+ return !!ret;
+}