#include "commit-reach.h"
#include "rerere.h"
#include "branch.h"
+#include "sequencer.h"
+#include "rebase-interactive.h"
static char const * const builtin_rebase_usage[] = {
- N_("git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] "
- "[<upstream>] [<branch>]"),
+ N_("git rebase [-i] [options] [--exec <cmd>] "
+ "[--onto <newbase> | --keep-base] [<upstream> [<branch>]]"),
N_("git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] "
"--root [<branch>]"),
N_("git rebase --continue | --abort | --skip | --edit-todo"),
NULL
};
+static GIT_PATH_FUNC(path_squash_onto, "rebase-merge/squash-onto")
+static GIT_PATH_FUNC(path_interactive, "rebase-merge/interactive")
static GIT_PATH_FUNC(apply_dir, "rebase-apply")
static GIT_PATH_FUNC(merge_dir, "rebase-merge")
REBASE_PRESERVE_MERGES
};
-static int use_builtin_rebase(void)
-{
- struct child_process cp = CHILD_PROCESS_INIT;
- struct strbuf out = STRBUF_INIT;
- int ret, env = git_env_bool("GIT_TEST_REBASE_USE_BUILTIN", -1);
-
- if (env != -1)
- return env;
-
- argv_array_pushl(&cp.args,
- "config", "--bool", "rebase.usebuiltin", NULL);
- cp.git_cmd = 1;
- if (capture_command(&cp, &out, 6)) {
- strbuf_release(&out);
- return 1;
- }
-
- strbuf_trim(&out);
- ret = !strcmp("true", out.buf);
- strbuf_release(&out);
- return ret;
-}
-
struct rebase_options {
enum rebase_type type;
const char *state_dir;
const char *onto_name;
const char *revisions;
const char *switch_to;
- int root;
+ int root, root_with_onto;
struct object_id *squash_onto;
struct commit *restrict_revision;
int dont_finish_rebase;
char *strategy, *strategy_opts;
struct strbuf git_format_patch_opt;
int reschedule_failed_exec;
+ int use_legacy_rebase;
+};
+
+#define REBASE_OPTIONS_INIT { \
+ .type = REBASE_UNSPECIFIED, \
+ .flags = REBASE_NO_QUIET, \
+ .git_am_opts = ARGV_ARRAY_INIT, \
+ .git_format_patch_opt = STRBUF_INIT \
+ }
+
+static struct replay_opts get_replay_opts(const struct rebase_options *opts)
+{
+ struct replay_opts replay = REPLAY_OPTS_INIT;
+
+ replay.action = REPLAY_INTERACTIVE_REBASE;
+ sequencer_init_config(&replay);
+
+ replay.signoff = opts->signoff;
+ replay.allow_ff = !(opts->flags & REBASE_FORCE);
+ if (opts->allow_rerere_autoupdate)
+ replay.allow_rerere_auto = opts->allow_rerere_autoupdate;
+ replay.allow_empty = 1;
+ replay.allow_empty_message = opts->allow_empty_message;
+ replay.verbose = opts->flags & REBASE_VERBOSE;
+ replay.reschedule_failed_exec = opts->reschedule_failed_exec;
+ replay.gpg_sign = xstrdup_or_null(opts->gpg_sign_opt);
+ replay.strategy = opts->strategy;
+ if (opts->strategy_opts)
+ parse_strategy_opts(&replay, opts->strategy_opts);
+
+ return replay;
+}
+
+enum action {
+ ACTION_NONE = 0,
+ ACTION_CONTINUE,
+ ACTION_SKIP,
+ ACTION_ABORT,
+ ACTION_QUIT,
+ ACTION_EDIT_TODO,
+ ACTION_SHOW_CURRENT_PATCH,
+ ACTION_SHORTEN_OIDS,
+ ACTION_EXPAND_OIDS,
+ ACTION_CHECK_TODO_LIST,
+ ACTION_REARRANGE_SQUASH,
+ ACTION_ADD_EXEC
};
+static const char *action_names[] = { "undefined",
+ "continue",
+ "skip",
+ "abort",
+ "quit",
+ "edit_todo",
+ "show_current_patch" };
+
+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 transform_todo_file(unsigned flags)
+{
+ 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);
+ }
+
+ res = todo_list_write_to_file(the_repository, &todo_list, todo_file,
+ NULL, NULL, -1, flags);
+ todo_list_release(&todo_list);
+
+ if (res)
+ return error_errno(_("could not write '%s'."), todo_file);
+ return 0;
+}
+
+static int edit_todo_file(unsigned flags)
+{
+ const char *todo_file = rebase_path_todo();
+ struct todo_list todo_list = TODO_LIST_INIT,
+ new_todo = 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);
+
+ strbuf_stripspace(&todo_list.buf, 1);
+ res = edit_todo_list(the_repository, &todo_list, &new_todo, NULL, NULL, flags);
+ if (!res && todo_list_write_to_file(the_repository, &new_todo, todo_file,
+ NULL, NULL, -1, flags & ~(TODO_LIST_SHORTEN_IDS)))
+ res = error_errno(_("could not write '%s'"), todo_file);
+
+ todo_list_release(&todo_list);
+ todo_list_release(&new_todo);
+
+ return res;
+}
+
+static int get_revision_ranges(struct commit *upstream, struct commit *onto,
+ const char **head_hash,
+ char **revisions, char **shortrevisions)
+{
+ struct commit *base_rev = upstream ? upstream : onto;
+ const char *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", oid_to_hex(&base_rev->object.oid),
+ *head_hash);
+
+ shorthead = find_unique_abbrev(&orig_head, DEFAULT_ABBREV);
+
+ if (upstream) {
+ const char *shortrev;
+
+ shortrev = find_unique_abbrev(&base_rev->object.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,
+ struct commit *onto, const char *orig_head)
+{
+ FILE *interactive;
+
+ if (!is_directory(merge_dir()) && mkdir_in_gitdir(merge_dir()))
+ return error_errno(_("could not create temporary %s"), merge_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 void split_exec_commands(const char *cmd, struct string_list *commands)
+{
+ 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);
+ }
+}
+
+static int do_interactive_rebase(struct rebase_options *opts, unsigned flags)
+{
+ 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;
+ struct replay_opts replay = get_replay_opts(opts);
+ struct string_list commands = STRING_LIST_INIT_DUP;
+
+ if (prepare_branch_to_be_rebased(the_repository, &replay,
+ opts->switch_to))
+ return -1;
+
+ if (get_revision_ranges(opts->upstream, opts->onto, &head_hash,
+ &revisions, &shortrevisions))
+ return -1;
+
+ if (init_basic_state(&replay,
+ opts->head_name ? opts->head_name : "detached HEAD",
+ opts->onto, head_hash)) {
+ free(revisions);
+ free(shortrevisions);
+
+ return -1;
+ }
+
+ if (!opts->upstream && opts->squash_onto)
+ write_file(path_squash_onto(), "%s\n",
+ oid_to_hex(opts->squash_onto));
+
+ argv_array_pushl(&make_script_args, "", revisions, NULL);
+ if (opts->restrict_revision)
+ argv_array_push(&make_script_args,
+ oid_to_hex(&opts->restrict_revision->object.oid));
+
+ 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");
+
+ split_exec_commands(opts->cmd, &commands);
+ ret = complete_action(the_repository, &replay, flags,
+ shortrevisions, opts->onto_name, opts->onto, head_hash,
+ &commands, opts->autosquash, &todo_list);
+ }
+
+ string_list_clear(&commands, 0);
+ free(revisions);
+ free(shortrevisions);
+ todo_list_release(&todo_list);
+ argv_array_clear(&make_script_args);
+
+ return ret;
+}
+
+static int run_rebase_interactive(struct rebase_options *opts,
+ enum action command)
+{
+ unsigned flags = 0;
+ int abbreviate_commands = 0, ret = 0;
+
+ git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands);
+
+ flags |= opts->keep_empty ? TODO_LIST_KEEP_EMPTY : 0;
+ flags |= abbreviate_commands ? TODO_LIST_ABBREVIATE_CMDS : 0;
+ flags |= opts->rebase_merges ? TODO_LIST_REBASE_MERGES : 0;
+ flags |= opts->rebase_cousins > 0 ? TODO_LIST_REBASE_COUSINS : 0;
+ flags |= opts->root_with_onto ? TODO_LIST_ROOT_WITH_ONTO : 0;
+ flags |= command == ACTION_SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0;
+
+ switch (command) {
+ case ACTION_NONE: {
+ if (!opts->onto && !opts->upstream)
+ die(_("a base commit must be provided with --upstream or --onto"));
+
+ ret = do_interactive_rebase(opts, flags);
+ break;
+ }
+ case ACTION_SKIP: {
+ struct string_list merge_rr = STRING_LIST_INIT_DUP;
+
+ rerere_clear(the_repository, &merge_rr);
+ }
+ /* fallthrough */
+ case ACTION_CONTINUE: {
+ struct replay_opts replay_opts = get_replay_opts(opts);
+
+ ret = sequencer_continue(the_repository, &replay_opts);
+ break;
+ }
+ case ACTION_EDIT_TODO:
+ ret = edit_todo_file(flags);
+ break;
+ case ACTION_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 ACTION_SHORTEN_OIDS:
+ case ACTION_EXPAND_OIDS:
+ ret = transform_todo_file(flags);
+ break;
+ case ACTION_CHECK_TODO_LIST:
+ ret = check_todo_list_from_file(the_repository);
+ break;
+ case ACTION_REARRANGE_SQUASH:
+ ret = rearrange_squash_in_todo_file();
+ break;
+ case ACTION_ADD_EXEC: {
+ struct string_list commands = STRING_LIST_INIT_DUP;
+
+ split_exec_commands(opts->cmd, &commands);
+ ret = add_exec_commands(&commands);
+ string_list_clear(&commands, 0);
+ break;
+ }
+ default:
+ BUG("invalid command '%d'", command);
+ }
+
+ 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 rebase_options opts = REBASE_OPTIONS_INIT;
+ struct object_id squash_onto = null_oid;
+ enum action command = ACTION_NONE;
+ struct option options[] = {
+ OPT_NEGBIT(0, "ff", &opts.flags, N_("allow fast-forward"),
+ REBASE_FORCE),
+ OPT_BOOL(0, "keep-empty", &opts.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", &opts.rebase_merges, N_("rebase merge commits")),
+ OPT_BOOL(0, "rebase-cousins", &opts.rebase_cousins,
+ N_("keep original branch points of cousins")),
+ OPT_BOOL(0, "autosquash", &opts.autosquash,
+ N_("move commits that begin with squash!/fixup!")),
+ OPT_BOOL(0, "signoff", &opts.signoff, N_("sign commits")),
+ OPT_BIT('v', "verbose", &opts.flags,
+ N_("display a diffstat of what changed upstream"),
+ REBASE_NO_QUIET | REBASE_VERBOSE | REBASE_DIFFSTAT),
+ OPT_CMDMODE(0, "continue", &command, N_("continue rebase"),
+ ACTION_CONTINUE),
+ OPT_CMDMODE(0, "skip", &command, N_("skip commit"), ACTION_SKIP),
+ OPT_CMDMODE(0, "edit-todo", &command, N_("edit the todo list"),
+ ACTION_EDIT_TODO),
+ OPT_CMDMODE(0, "show-current-patch", &command, N_("show the current patch"),
+ ACTION_SHOW_CURRENT_PATCH),
+ OPT_CMDMODE(0, "shorten-ids", &command,
+ N_("shorten commit ids in the todo list"), ACTION_SHORTEN_OIDS),
+ OPT_CMDMODE(0, "expand-ids", &command,
+ N_("expand commit ids in the todo list"), ACTION_EXPAND_OIDS),
+ OPT_CMDMODE(0, "check-todo-list", &command,
+ N_("check the todo list"), ACTION_CHECK_TODO_LIST),
+ OPT_CMDMODE(0, "rearrange-squash", &command,
+ N_("rearrange fixup/squash lines"), ACTION_REARRANGE_SQUASH),
+ OPT_CMDMODE(0, "add-exec-commands", &command,
+ N_("insert exec commands in todo list"), ACTION_ADD_EXEC),
+ { OPTION_CALLBACK, 0, "onto", &opts.onto, N_("onto"), N_("onto"),
+ PARSE_OPT_NONEG, parse_opt_commit, 0 },
+ { OPTION_CALLBACK, 0, "restrict-revision", &opts.restrict_revision,
+ N_("restrict-revision"), N_("restrict revision"),
+ PARSE_OPT_NONEG, parse_opt_commit, 0 },
+ { OPTION_CALLBACK, 0, "squash-onto", &squash_onto, N_("squash-onto"),
+ N_("squash onto"), PARSE_OPT_NONEG, parse_opt_object_id, 0 },
+ { OPTION_CALLBACK, 0, "upstream", &opts.upstream, N_("upstream"),
+ N_("the upstream commit"), PARSE_OPT_NONEG, parse_opt_commit,
+ 0 },
+ OPT_STRING(0, "head-name", &opts.head_name, N_("head-name"), N_("head name")),
+ { OPTION_STRING, 'S', "gpg-sign", &opts.gpg_sign_opt, 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", &opts.strategy_opts, N_("strategy-opts"),
+ N_("strategy options")),
+ OPT_STRING(0, "switch-to", &opts.switch_to, N_("switch-to"),
+ N_("the branch or commit to checkout")),
+ OPT_STRING(0, "onto-name", &opts.onto_name, N_("onto-name"), N_("onto name")),
+ OPT_STRING(0, "cmd", &opts.cmd, N_("cmd"), N_("the command to run")),
+ OPT_RERERE_AUTOUPDATE(&opts.allow_rerere_autoupdate),
+ OPT_BOOL(0, "reschedule-failed-exec", &opts.reschedule_failed_exec,
+ N_("automatically re-schedule any `exec` that fails")),
+ OPT_END()
+ };
+
+ opts.rebase_cousins = -1;
+
+ if (argc == 1)
+ usage_with_options(builtin_rebase_interactive_usage, options);
+
+ argc = parse_options(argc, argv, prefix, options,
+ builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0);
+
+ if (!is_null_oid(&squash_onto))
+ opts.squash_onto = &squash_onto;
+
+ if (opts.rebase_cousins >= 0 && !opts.rebase_merges)
+ warning(_("--[no-]rebase-cousins has no effect without "
+ "--rebase-merges"));
+
+ return !!run_rebase_interactive(&opts, command);
+}
+
static int is_interactive(struct rebase_options *opts)
{
return opts->type == REBASE_INTERACTIVE ||
&buf))
return -1;
if (!strcmp(buf.buf, "--rerere-autoupdate"))
- opts->allow_rerere_autoupdate = 1;
+ opts->allow_rerere_autoupdate = RERERE_AUTOUPDATE;
else if (!strcmp(buf.buf, "--no-rerere-autoupdate"))
- opts->allow_rerere_autoupdate = 0;
+ opts->allow_rerere_autoupdate = RERERE_NOAUTOUPDATE;
else
warning(_("ignoring invalid allow_rerere_autoupdate: "
"'%s'"), buf.buf);
- } else
- opts->allow_rerere_autoupdate = -1;
+ }
if (file_exists(state_dir_path("gpg_sign_opt", opts))) {
strbuf_reset(&buf);
return 0;
}
-static int write_basic_state(struct rebase_options *opts)
+static int rebase_write_basic_state(struct rebase_options *opts)
{
write_file(state_dir_path("head-name", opts), "%s",
opts->head_name ? opts->head_name : "detached HEAD");
if (opts->strategy_opts)
write_file(state_dir_path("strategy_opts", opts), "%s",
opts->strategy_opts);
- if (opts->allow_rerere_autoupdate >= 0)
+ if (opts->allow_rerere_autoupdate > 0)
write_file(state_dir_path("allow_rerere_autoupdate", opts),
"-%s-rerere-autoupdate",
- opts->allow_rerere_autoupdate ? "" : "-no");
+ opts->allow_rerere_autoupdate == RERERE_AUTOUPDATE ?
+ "" : "-no");
if (opts->gpg_sign_opt)
write_file(state_dir_path("gpg_sign_opt", opts), "%s",
opts->gpg_sign_opt);
{
struct strbuf dir = STRBUF_INIT;
const char *argv_gc_auto[] = { "gc", "--auto", NULL };
+ int ret = 0;
delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF);
apply_autostash(opts);
- close_all_packs(the_repository->objects);
+ close_object_store(the_repository->objects);
/*
* We ignore errors in 'gc --auto', since the
* user should see them.
*/
run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
- strbuf_addstr(&dir, opts->state_dir);
- remove_dir_recursively(&dir, 0);
- strbuf_release(&dir);
+ if (opts->type == REBASE_INTERACTIVE) {
+ struct replay_opts replay = REPLAY_OPTS_INIT;
- return 0;
+ replay.action = REPLAY_INTERACTIVE_REBASE;
+ ret = sequencer_remove_state(&replay);
+ } else {
+ strbuf_addstr(&dir, opts->state_dir);
+ if (remove_dir_recursively(&dir, 0))
+ ret = error(_("could not remove '%s'"),
+ opts->state_dir);
+ strbuf_release(&dir);
+ }
+
+ return ret;
}
static struct commit *peel_committish(const char *name)
#define RESET_HEAD_HARD (1<<1)
#define RESET_HEAD_RUN_POST_CHECKOUT_HOOK (1<<2)
#define RESET_HEAD_REFS_ONLY (1<<3)
+#define RESET_ORIG_HEAD (1<<4)
static int reset_head(struct object_id *oid, const char *action,
const char *switch_to_branch, unsigned flags,
unsigned reset_hard = flags & RESET_HEAD_HARD;
unsigned run_hook = flags & RESET_HEAD_RUN_POST_CHECKOUT_HOOK;
unsigned refs_only = flags & RESET_HEAD_REFS_ONLY;
+ unsigned update_orig_head = flags & RESET_ORIG_HEAD;
struct object_id head_oid;
struct tree_desc desc[2] = { { NULL }, { NULL } };
struct lock_file lock = LOCK_INIT;
goto leave_reset_head;
}
- if (!reset_hard && !fill_tree_descriptor(&desc[nr++], &head_oid)) {
+ if (!reset_hard && !fill_tree_descriptor(the_repository, &desc[nr++], &head_oid)) {
ret = error(_("failed to find tree of %s"),
oid_to_hex(&head_oid));
goto leave_reset_head;
}
- if (!fill_tree_descriptor(&desc[nr++], oid)) {
+ if (!fill_tree_descriptor(the_repository, &desc[nr++], oid)) {
ret = error(_("failed to find tree of %s"), oid_to_hex(oid));
goto leave_reset_head;
}
strbuf_addf(&msg, "%s: ", reflog_action ? reflog_action : "rebase");
prefix_len = msg.len;
- if (!get_oid("ORIG_HEAD", &oid_old_orig))
- old_orig = &oid_old_orig;
- if (!get_oid("HEAD", &oid_orig)) {
- orig = &oid_orig;
- if (!reflog_orig_head) {
- strbuf_addstr(&msg, "updating ORIG_HEAD");
- reflog_orig_head = msg.buf;
- }
- update_ref(reflog_orig_head, "ORIG_HEAD", orig, old_orig, 0,
- UPDATE_REFS_MSG_ON_ERR);
- } else if (old_orig)
- delete_ref(NULL, "ORIG_HEAD", old_orig, 0);
+ if (update_orig_head) {
+ if (!get_oid("ORIG_HEAD", &oid_old_orig))
+ old_orig = &oid_old_orig;
+ if (!get_oid("HEAD", &oid_orig)) {
+ orig = &oid_orig;
+ if (!reflog_orig_head) {
+ strbuf_addstr(&msg, "updating ORIG_HEAD");
+ reflog_orig_head = msg.buf;
+ }
+ update_ref(reflog_orig_head, "ORIG_HEAD", orig,
+ old_orig, 0, UPDATE_REFS_MSG_ON_ERR);
+ } else if (old_orig)
+ delete_ref(NULL, "ORIG_HEAD", old_orig, 0);
+ }
+
if (!reflog_head) {
strbuf_setlen(&msg, prefix_len);
strbuf_addstr(&msg, "updating HEAD");
detach_head ? REF_NO_DEREF : 0,
UPDATE_REFS_MSG_ON_ERR);
else {
- ret = update_ref(reflog_orig_head, switch_to_branch, oid,
+ ret = update_ref(reflog_head, switch_to_branch, oid,
NULL, 0, UPDATE_REFS_MSG_ON_ERR);
if (!ret)
ret = create_symref("HEAD", switch_to_branch,
argv_array_push(&am.args, "--rebasing");
argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg);
argv_array_push(&am.args, "--patch-format=mboxrd");
- if (opts->allow_rerere_autoupdate > 0)
+ if (opts->allow_rerere_autoupdate == RERERE_AUTOUPDATE)
argv_array_push(&am.args, "--rerere-autoupdate");
- else if (opts->allow_rerere_autoupdate == 0)
+ else if (opts->allow_rerere_autoupdate == RERERE_NOAUTOUPDATE)
argv_array_push(&am.args, "--no-rerere-autoupdate");
if (opts->gpg_sign_opt)
argv_array_push(&am.args, opts->gpg_sign_opt);
}
if (is_directory(opts->state_dir))
- write_basic_state(opts);
+ rebase_write_basic_state(opts);
return status;
}
-static int run_specific_rebase(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;
if (opts->type == REBASE_INTERACTIVE) {
/* Run builtin interactive rebase */
- struct child_process child = CHILD_PROCESS_INIT;
-
- argv_array_pushf(&child.env_array, "GIT_CHERRY_PICK_HELP=%s",
- resolvemsg);
+ setenv("GIT_CHERRY_PICK_HELP", resolvemsg, 1);
if (!(opts->flags & REBASE_INTERACTIVE_EXPLICIT)) {
- argv_array_push(&child.env_array,
- "GIT_SEQUENCE_EDITOR=:");
+ setenv("GIT_SEQUENCE_EDITOR", ":", 1);
opts->autosquash = 0;
}
+ if (opts->gpg_sign_opt) {
+ /* remove the leading "-S" */
+ char *tmp = xstrdup(opts->gpg_sign_opt + 2);
+ free(opts->gpg_sign_opt);
+ opts->gpg_sign_opt = tmp;
+ }
- child.git_cmd = 1;
- argv_array_push(&child.args, "rebase--interactive");
-
- if (opts->action)
- argv_array_pushf(&child.args, "--%s", opts->action);
- if (opts->keep_empty)
- argv_array_push(&child.args, "--keep-empty");
- if (opts->rebase_merges)
- argv_array_push(&child.args, "--rebase-merges");
- if (opts->rebase_cousins)
- argv_array_push(&child.args, "--rebase-cousins");
- if (opts->autosquash)
- argv_array_push(&child.args, "--autosquash");
- if (opts->flags & REBASE_VERBOSE)
- argv_array_push(&child.args, "--verbose");
- if (opts->flags & REBASE_FORCE)
- argv_array_push(&child.args, "--no-ff");
- if (opts->restrict_revision)
- argv_array_pushf(&child.args,
- "--restrict-revision=^%s",
- oid_to_hex(&opts->restrict_revision->object.oid));
- if (opts->upstream)
- argv_array_pushf(&child.args, "--upstream=%s",
- oid_to_hex(&opts->upstream->object.oid));
- if (opts->onto)
- argv_array_pushf(&child.args, "--onto=%s",
- oid_to_hex(&opts->onto->object.oid));
- if (opts->squash_onto)
- argv_array_pushf(&child.args, "--squash-onto=%s",
- oid_to_hex(opts->squash_onto));
- if (opts->onto_name)
- argv_array_pushf(&child.args, "--onto-name=%s",
- opts->onto_name);
- argv_array_pushf(&child.args, "--head-name=%s",
- opts->head_name ?
- opts->head_name : "detached HEAD");
- if (opts->strategy)
- argv_array_pushf(&child.args, "--strategy=%s",
- opts->strategy);
- if (opts->strategy_opts)
- argv_array_pushf(&child.args, "--strategy-opts=%s",
- opts->strategy_opts);
- if (opts->switch_to)
- argv_array_pushf(&child.args, "--switch-to=%s",
- opts->switch_to);
- if (opts->cmd)
- argv_array_pushf(&child.args, "--cmd=%s", opts->cmd);
- if (opts->allow_empty_message)
- argv_array_push(&child.args, "--allow-empty-message");
- if (opts->allow_rerere_autoupdate > 0)
- argv_array_push(&child.args, "--rerere-autoupdate");
- else if (opts->allow_rerere_autoupdate == 0)
- argv_array_push(&child.args, "--no-rerere-autoupdate");
- if (opts->gpg_sign_opt)
- argv_array_push(&child.args, opts->gpg_sign_opt);
- if (opts->signoff)
- argv_array_push(&child.args, "--signoff");
- if (opts->reschedule_failed_exec)
- argv_array_push(&child.args, "--reschedule-failed-exec");
-
- status = run_command(&child);
+ status = run_rebase_interactive(opts, action);
goto finished_rebase;
}
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 < 0 ? "" :
opts->allow_rerere_autoupdate ?
- "--rerere-autoupdate" : "--no-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);
}
switch (opts->type) {
- case REBASE_AM:
- backend = "git-rebase--am";
- backend_func = "git_rebase__am";
- break;
case REBASE_PRESERVE_MERGES:
backend = "git-rebase--preserve-merges";
backend_func = "git_rebase__preserve_merges";
}
strbuf_addf(&script_snippet,
- ". git-sh-setup && . git-rebase--common &&"
- " . %s && %s", backend, backend_func);
+ ". git-sh-setup && . %s && %s", backend, backend_func);
argv[0] = script_snippet.buf;
status = run_command_v_opt(argv, RUN_USING_SHELL);
if (git_config_bool(var, value))
opts->flags |= REBASE_DIFFSTAT;
else
- opts->flags &= !REBASE_DIFFSTAT;
+ opts->flags &= ~REBASE_DIFFSTAT;
return 0;
}
return 0;
}
+ if (!strcmp(var, "rebase.usebuiltin")) {
+ opts->use_legacy_rebase = !git_config_bool(var, value);
+ return 0;
+ }
+
return git_default_config(var, value, data);
}
return 1;
}
-static int can_fast_forward(struct commit *onto, struct object_id *head_oid,
- struct object_id *merge_base)
+static int can_fast_forward(struct commit *onto, struct commit *upstream,
+ struct commit *restrict_revision,
+ struct object_id *head_oid, struct object_id *merge_base)
{
struct commit *head = lookup_commit(the_repository, head_oid);
- struct commit_list *merge_bases;
- int res;
+ struct commit_list *merge_bases = NULL;
+ int res = 0;
if (!head)
- return 0;
+ goto done;
merge_bases = get_merge_bases(onto, head);
- if (merge_bases && !merge_bases->next) {
- oidcpy(merge_base, &merge_bases->item->object.oid);
- res = oideq(merge_base, &onto->object.oid);
- } else {
+ if (!merge_bases || merge_bases->next) {
oidcpy(merge_base, &null_oid);
- res = 0;
+ goto done;
}
+
+ oidcpy(merge_base, &merge_bases->item->object.oid);
+ if (!oideq(merge_base, &onto->object.oid))
+ goto done;
+
+ if (restrict_revision && !oideq(&restrict_revision->object.oid, merge_base))
+ goto done;
+
+ if (!upstream)
+ goto done;
+
+ free_commit_list(merge_bases);
+ merge_bases = get_merge_bases(upstream, head);
+ if (!merge_bases || merge_bases->next)
+ goto done;
+
+ if (!oideq(&onto->object.oid, &merge_bases->item->object.oid))
+ goto done;
+
+ res = 1;
+
+done:
free_commit_list(merge_bases);
return res && is_linear_history(onto, head);
}
int cmd_rebase(int argc, const char **argv, const char *prefix)
{
- struct rebase_options options = {
- .type = REBASE_UNSPECIFIED,
- .flags = REBASE_NO_QUIET,
- .git_am_opts = ARGV_ARRAY_INIT,
- .allow_rerere_autoupdate = -1,
- .allow_empty_message = 1,
- .git_format_patch_opt = STRBUF_INIT,
- };
+ struct rebase_options options = REBASE_OPTIONS_INIT;
const char *branch_name;
int ret, flags, total_argc, in_progress = 0;
+ int keep_base = 0;
int ok_to_skip_pre_rebase = 0;
struct strbuf msg = STRBUF_INIT;
struct strbuf revisions = STRBUF_INIT;
struct strbuf buf = STRBUF_INIT;
struct object_id merge_base;
- enum {
- NO_ACTION,
- ACTION_CONTINUE,
- ACTION_SKIP,
- ACTION_ABORT,
- ACTION_QUIT,
- ACTION_EDIT_TODO,
- ACTION_SHOW_CURRENT_PATCH,
- } action = NO_ACTION;
- static const char *action_names[] = { N_("undefined"),
- N_("continue"),
- N_("skip"),
- N_("abort"),
- N_("quit"),
- N_("edit_todo"),
- N_("show_current_patch"),
- NULL };
+ enum action action = ACTION_NONE;
const char *gpg_sign = NULL;
struct string_list exec = STRING_LIST_INIT_NODUP;
const char *rebase_merges = NULL;
struct string_list strategy_options = STRING_LIST_INIT_NODUP;
struct object_id squash_onto;
char *squash_onto_name = NULL;
+ int reschedule_failed_exec = -1;
struct option builtin_rebase_options[] = {
OPT_STRING(0, "onto", &options.onto_name,
N_("revision"),
N_("rebase onto given branch instead of upstream")),
+ OPT_BOOL(0, "keep-base", &keep_base,
+ N_("use the merge-base of upstream and branch as the current base")),
OPT_BOOL(0, "no-verify", &ok_to_skip_pre_rebase,
N_("allow pre-rebase hook to run")),
OPT_NEGBIT('q', "quiet", &options.flags,
N_("(DEPRECATED) try to recreate merges instead of "
"ignoring them"),
REBASE_PRESERVE_MERGES, PARSE_OPT_HIDDEN),
- OPT_BOOL(0, "rerere-autoupdate",
- &options.allow_rerere_autoupdate,
- N_("allow rerere to update index with resolved "
- "conflict")),
+ OPT_RERERE_AUTOUPDATE(&options.allow_rerere_autoupdate),
OPT_BOOL('k', "keep-empty", &options.keep_empty,
N_("preserve empty commits during rebase")),
OPT_BOOL(0, "autosquash", &options.autosquash,
OPT_BOOL(0, "root", &options.root,
N_("rebase all reachable commits up to the root(s)")),
OPT_BOOL(0, "reschedule-failed-exec",
- &options.reschedule_failed_exec,
+ &reschedule_failed_exec,
N_("automatically re-schedule any `exec` that fails")),
OPT_END(),
};
int i;
- /*
- * NEEDSWORK: Once the builtin rebase has been tested enough
- * and git-legacy-rebase.sh is retired to contrib/, this preamble
- * can be removed.
- */
-
- if (!use_builtin_rebase()) {
- const char *path = mkpath("%s/git-legacy-rebase",
- git_exec_path());
-
- if (sane_execvp(path, (char **)argv) < 0)
- die_errno(_("could not exec %s"), path);
- else
- BUG("sane_execvp() returned???");
- }
-
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_rebase_usage,
builtin_rebase_options);
- prefix = setup_git_directory();
- trace_repo_setup(prefix);
- setup_work_tree();
-
+ options.allow_empty_message = 1;
git_config(rebase_config, &options);
+ if (options.use_legacy_rebase ||
+ !git_env_bool("GIT_TEST_REBASE_USE_BUILTIN", -1))
+ warning(_("the rebase.useBuiltin support has been removed!\n"
+ "See its entry in 'git help config' for details."));
+
strbuf_reset(&buf);
strbuf_addf(&buf, "%s/applying", apply_dir());
if(file_exists(buf.buf))
builtin_rebase_options,
builtin_rebase_usage, 0);
- if (action != NO_ACTION && total_argc != 2) {
+ if (action != ACTION_NONE && total_argc != 2) {
usage_with_options(builtin_rebase_usage,
builtin_rebase_options);
}
warning(_("git rebase --preserve-merges is deprecated. "
"Use --rebase-merges instead."));
- if (action != NO_ACTION && !in_progress)
+ if (keep_base) {
+ if (options.onto_name)
+ die(_("cannot combine '--keep-base' with '--onto'"));
+ if (options.root)
+ die(_("cannot combine '--keep-base' with '--root'"));
+ }
+
+ if (action != ACTION_NONE && !in_progress)
die(_("No rebase in progress?"));
setenv(GIT_REFLOG_ACTION_ENVIRONMENT, "rebase", 0);
if (reset_head(NULL, "reset", NULL, RESET_HEAD_HARD,
NULL, NULL) < 0)
die(_("could not discard worktree changes"));
- remove_branch_state(the_repository);
+ remove_branch_state(the_repository, 0);
if (read_basic_state(&options))
exit(1);
goto run_rebase;
NULL, NULL) < 0)
die(_("could not move back to %s"),
oid_to_hex(&options.orig_head));
- remove_branch_state(the_repository);
- ret = finish_rebase(&options);
+ remove_branch_state(the_repository, 0);
+ ret = !!finish_rebase(&options);
goto cleanup;
}
case ACTION_QUIT: {
- strbuf_reset(&buf);
- strbuf_addstr(&buf, options.state_dir);
- ret = !!remove_dir_recursively(&buf, 0);
- if (ret)
- die(_("could not remove '%s'"), options.state_dir);
+ if (options.type == REBASE_INTERACTIVE) {
+ struct replay_opts replay = REPLAY_OPTS_INIT;
+
+ replay.action = REPLAY_INTERACTIVE_REBASE;
+ ret = !!sequencer_remove_state(&replay);
+ } else {
+ strbuf_reset(&buf);
+ strbuf_addstr(&buf, options.state_dir);
+ ret = !!remove_dir_recursively(&buf, 0);
+ if (ret)
+ error(_("could not remove '%s'"),
+ options.state_dir);
+ }
goto cleanup;
}
case ACTION_EDIT_TODO:
options.action = "show-current-patch";
options.dont_finish_rebase = 1;
goto run_rebase;
- case NO_ACTION:
+ case ACTION_NONE:
break;
default:
BUG("action: %d", action);
break;
}
- if (options.reschedule_failed_exec && !is_interactive(&options))
- die(_("%s requires an interactive rebase"), "--reschedule-failed-exec");
+ if (reschedule_failed_exec > 0 && !is_interactive(&options))
+ die(_("--reschedule-failed-exec requires "
+ "--exec or --interactive"));
+ if (reschedule_failed_exec >= 0)
+ options.reschedule_failed_exec = reschedule_failed_exec;
if (options.git_am_opts.argc) {
/* all am options except -q are compatible only with --am */
"'--reschedule-failed-exec'"));
}
- if (options.rebase_merges) {
- if (strategy_options.nr)
- die(_("cannot combine '--rebase-merges' with "
- "'--strategy-option'"));
- if (options.strategy)
- die(_("cannot combine '--rebase-merges' with "
- "'--strategy'"));
- }
-
if (!options.root) {
if (argc < 1) {
struct branch *branch;
options.squash_onto = &squash_onto;
options.onto_name = squash_onto_name =
xstrdup(oid_to_hex(&squash_onto));
- }
+ } else
+ options.root_with_onto = 1;
+
options.upstream_name = NULL;
options.upstream = NULL;
if (argc > 1)
}
/* Make sure the branch to rebase onto is valid. */
- if (!options.onto_name)
+ if (keep_base) {
+ strbuf_reset(&buf);
+ strbuf_addstr(&buf, options.upstream_name);
+ strbuf_addstr(&buf, "...");
+ options.onto_name = xstrdup(buf.buf);
+ } else if (!options.onto_name)
options.onto_name = options.upstream_name;
if (strstr(options.onto_name, "...")) {
- if (get_oid_mb(options.onto_name, &merge_base) < 0)
- die(_("'%s': need exactly one merge base"),
- options.onto_name);
+ if (get_oid_mb(options.onto_name, &merge_base) < 0) {
+ if (keep_base)
+ die(_("'%s': need exactly one merge base with branch"),
+ options.upstream_name);
+ else
+ die(_("'%s': need exactly one merge base"),
+ options.onto_name);
+ }
options.onto = lookup_commit_or_die(&merge_base,
options.onto_name);
} else {
branch_name = options.head_name;
} else {
- free(options.head_name);
- options.head_name = NULL;
+ FREE_AND_NULL(options.head_name);
branch_name = "HEAD";
}
if (get_oid("HEAD", &options.orig_head))
state_dir_path("autostash", &options);
struct child_process stash = CHILD_PROCESS_INIT;
struct object_id oid;
- struct commit *head =
- lookup_commit_reference(the_repository,
- &options.orig_head);
argv_array_pushl(&stash.args,
"stash", "create", "autostash", NULL);
options.state_dir);
write_file(autostash, "%s", oid_to_hex(&oid));
printf(_("Created autostash: %s\n"), buf.buf);
- if (reset_head(&head->object.oid, "reset --hard",
+ if (reset_head(NULL, "reset --hard",
NULL, RESET_HEAD_HARD, NULL, NULL) < 0)
die(_("could not reset --hard"));
- printf(_("HEAD is now at %s"),
- find_unique_abbrev(&head->object.oid,
- DEFAULT_ABBREV));
- strbuf_reset(&buf);
- pp_commit_easy(CMIT_FMT_ONELINE, head, &buf);
- if (buf.len > 0)
- printf(" %s", buf.buf);
- putchar('\n');
if (discard_index(the_repository->index) < 0 ||
repo_read_index(the_repository) < 0)
/*
* Check if we are already based on onto with linear history,
- * but this should be done only when upstream and onto are the same
- * and if this is not an interactive rebase.
+ * in which case we could fast-forward without replacing the commits
+ * with new commits recreated by replaying their changes. This
+ * optimization must not be done if this is an interactive rebase.
*/
- if (can_fast_forward(options.onto, &options.orig_head, &merge_base) &&
- !is_interactive(&options) && !options.restrict_revision &&
- options.upstream &&
- !oidcmp(&options.upstream->object.oid, &options.onto->object.oid)) {
+ if (can_fast_forward(options.onto, options.upstream, options.restrict_revision,
+ &options.orig_head, &merge_base) &&
+ !is_interactive(&options)) {
int flag;
if (!(options.flags & REBASE_FORCE)) {
strbuf_addf(&msg, "%s: checkout %s",
getenv(GIT_REFLOG_ACTION_ENVIRONMENT), options.onto_name);
if (reset_head(&options.onto->object.oid, "checkout", NULL,
- RESET_HEAD_DETACH | RESET_HEAD_RUN_POST_CHECKOUT_HOOK,
+ RESET_HEAD_DETACH | RESET_ORIG_HEAD |
+ RESET_HEAD_RUN_POST_CHECKOUT_HOOK,
NULL, msg.buf))
die(_("Could not detach HEAD"));
strbuf_release(&msg);
* we just fast-forwarded.
*/
strbuf_reset(&msg);
- if (!oidcmp(&merge_base, &options.orig_head)) {
+ if (oideq(&merge_base, &options.orig_head)) {
printf(_("Fast-forwarded %s to %s.\n"),
branch_name, options.onto_name);
strbuf_addf(&msg, "rebase finished: %s onto %s",
options.head_name ? options.head_name : "detached HEAD",
oid_to_hex(&options.onto->object.oid));
- reset_head(NULL, "Fast-forwarded", options.head_name, 0,
- "HEAD", msg.buf);
+ reset_head(NULL, "Fast-forwarded", options.head_name,
+ RESET_HEAD_REFS_ONLY, "HEAD", msg.buf);
strbuf_release(&msg);
ret = !!finish_rebase(&options);
goto cleanup;
options.revisions = revisions.buf;
run_rebase:
- ret = !!run_specific_rebase(&options);
+ ret = !!run_specific_rebase(&options, action);
cleanup:
+ strbuf_release(&buf);
strbuf_release(&revisions);
free(options.head_name);
free(options.gpg_sign_opt);
projects / thirdparty / git.git / blobdiff