#include "builtin.h"
#include "run-command.h"
#include "exec-cmd.h"
-#include "argv-array.h"
+#include "strvec.h"
#include "dir.h"
#include "packfile.h"
#include "refs.h"
#include "branch.h"
#include "sequencer.h"
#include "rebase-interactive.h"
+#include "reset.h"
+
+#define DEFAULT_REFLOG_ACTION "rebase"
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"),
enum rebase_type {
REBASE_UNSPECIFIED = -1,
- REBASE_AM,
+ REBASE_APPLY,
REBASE_MERGE,
- REBASE_INTERACTIVE,
REBASE_PRESERVE_MERGES
};
+enum empty_type {
+ EMPTY_UNSPECIFIED = -1,
+ EMPTY_DROP,
+ EMPTY_KEEP,
+ EMPTY_ASK
+};
+
struct rebase_options {
enum rebase_type type;
+ enum empty_type empty;
+ const char *default_backend;
const char *state_dir;
struct commit *upstream;
const char *upstream_name;
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;
REBASE_FORCE = 1<<3,
REBASE_INTERACTIVE_EXPLICIT = 1<<4,
} flags;
- struct argv_array git_am_opts;
+ struct strvec git_am_opts;
const char *action;
int signoff;
int allow_rerere_autoupdate;
int autosquash;
char *gpg_sign_opt;
int autostash;
+ int committer_date_is_author_date;
+ int ignore_date;
char *cmd;
int allow_empty_message;
int rebase_merges, rebase_cousins;
char *strategy, *strategy_opts;
struct strbuf git_format_patch_opt;
int reschedule_failed_exec;
- int use_legacy_rebase;
+ int reapply_cherry_picks;
+ int fork_point;
};
#define REBASE_OPTIONS_INIT { \
.type = REBASE_UNSPECIFIED, \
+ .empty = EMPTY_UNSPECIFIED, \
+ .keep_empty = 1, \
+ .default_backend = "merge", \
.flags = REBASE_NO_QUIET, \
- .git_am_opts = ARGV_ARRAY_INIT, \
- .git_format_patch_opt = STRBUF_INIT \
+ .git_am_opts = STRVEC_INIT, \
+ .git_format_patch_opt = STRBUF_INIT, \
+ .fork_point = -1, \
}
static struct replay_opts get_replay_opts(const struct rebase_options *opts)
struct replay_opts replay = REPLAY_OPTS_INIT;
replay.action = REPLAY_INTERACTIVE_REBASE;
+ replay.strategy = NULL;
sequencer_init_config(&replay);
replay.signoff = opts->signoff;
replay.allow_rerere_auto = opts->allow_rerere_autoupdate;
replay.allow_empty = 1;
replay.allow_empty_message = opts->allow_empty_message;
+ replay.drop_redundant_commits = (opts->empty == EMPTY_DROP);
+ replay.keep_redundant_commits = (opts->empty == EMPTY_KEEP);
+ replay.quiet = !(opts->flags & REBASE_NO_QUIET);
replay.verbose = opts->flags & REBASE_VERBOSE;
replay.reschedule_failed_exec = opts->reschedule_failed_exec;
+ replay.committer_date_is_author_date =
+ opts->committer_date_is_author_date;
+ replay.ignore_date = opts->ignore_date;
replay.gpg_sign = xstrdup_or_null(opts->gpg_sign_opt);
- replay.strategy = opts->strategy;
+ if (opts->strategy)
+ replay.strategy = opts->strategy;
+ else if (!replay.strategy && replay.default_strategy) {
+ replay.strategy = replay.default_strategy;
+ replay.default_strategy = NULL;
+ }
+
if (opts->strategy_opts)
parse_strategy_opts(&replay, opts->strategy_opts);
+ if (opts->squash_onto) {
+ oidcpy(&replay.squash_onto, opts->squash_onto);
+ replay.have_squash_onto = 1;
+ }
+
return replay;
}
}
static int get_revision_ranges(struct commit *upstream, struct commit *onto,
- const char **head_hash,
- char **revisions, char **shortrevisions)
+ struct object_id *orig_head, 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);
+ oid_to_hex(orig_head));
- shorthead = find_unique_abbrev(&orig_head, DEFAULT_ABBREV);
+ shorthead = find_unique_abbrev(orig_head, DEFAULT_ABBREV);
if (upstream) {
const char *shortrev;
}
static int init_basic_state(struct replay_opts *opts, const char *head_name,
- struct commit *onto, const char *orig_head)
+ struct commit *onto,
+ const struct object_id *orig_head)
{
FILE *interactive;
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 strvec make_script_args = STRVEC_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,
+ if (get_revision_ranges(opts->upstream, opts->onto, &opts->orig_head,
&revisions, &shortrevisions))
return -1;
if (init_basic_state(&replay,
opts->head_name ? opts->head_name : "detached HEAD",
- opts->onto, head_hash)) {
+ opts->onto, &opts->orig_head)) {
free(revisions);
free(shortrevisions);
write_file(path_squash_onto(), "%s\n",
oid_to_hex(opts->squash_onto));
- argv_array_pushl(&make_script_args, "", revisions, NULL);
+ strvec_pushl(&make_script_args, "", revisions, NULL);
if (opts->restrict_revision)
- argv_array_push(&make_script_args,
- oid_to_hex(&opts->restrict_revision->object.oid));
+ strvec_pushf(&make_script_args, "^%s",
+ 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,
+ make_script_args.nr, make_script_args.v,
flags);
if (ret)
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);
+ shortrevisions, opts->onto_name, opts->onto,
+ &opts->orig_head, &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);
+ strvec_clear(&make_script_args);
return ret;
}
-static int run_rebase_interactive(struct rebase_options *opts,
+static int run_sequencer_rebase(struct rebase_options *opts,
enum action command)
{
unsigned flags = 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;
+ flags |= opts->reapply_cherry_picks ? TODO_LIST_REAPPLY_CHERRY_PICKS : 0;
switch (command) {
case ACTION_NONE: {
struct child_process cmd = CHILD_PROCESS_INIT;
cmd.git_cmd = 1;
- argv_array_pushl(&cmd.args, "show", "REBASE_HEAD", "--", NULL);
+ strvec_pushl(&cmd.args, "show", "REBASE_HEAD", "--", NULL);
ret = run_command(&cmd);
break;
return ret;
}
+static void imply_merge(struct rebase_options *opts, const char *option);
+static int parse_opt_keep_empty(const struct option *opt, const char *arg,
+ int unset)
+{
+ struct rebase_options *opts = opt->value;
+
+ BUG_ON_OPT_ARG(arg);
+
+ imply_merge(opts, unset ? "--no-keep-empty" : "--keep-empty");
+ opts->keep_empty = !unset;
+ opts->type = REBASE_MERGE;
+ return 0;
+}
+
static const char * const builtin_rebase_interactive_usage[] = {
N_("git rebase--interactive [<options>]"),
NULL
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_CALLBACK_F('k', "keep-empty", &options, NULL,
+ N_("keep commits which start empty"),
+ PARSE_OPT_NOARG | PARSE_OPT_HIDDEN,
+ parse_opt_keep_empty),
+ OPT_BOOL_F(0, "allow-empty-message", &opts.allow_empty_message,
+ N_("allow commits with empty messages"),
+ PARSE_OPT_HIDDEN),
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")),
if (argc == 1)
usage_with_options(builtin_rebase_interactive_usage, options);
- argc = parse_options(argc, argv, NULL, options,
+ argc = parse_options(argc, argv, prefix, options,
builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0);
if (!is_null_oid(&squash_onto))
warning(_("--[no-]rebase-cousins has no effect without "
"--rebase-merges"));
- return !!run_rebase_interactive(&opts, command);
+ return !!run_sequencer_rebase(&opts, command);
}
-static int is_interactive(struct rebase_options *opts)
+static int is_merge(struct rebase_options *opts)
{
- return opts->type == REBASE_INTERACTIVE ||
+ return opts->type == REBASE_MERGE ||
opts->type == REBASE_PRESERVE_MERGES;
}
-static void imply_interactive(struct rebase_options *opts, const char *option)
+static void imply_merge(struct rebase_options *opts, const char *option)
{
switch (opts->type) {
- case REBASE_AM:
- die(_("%s requires an interactive rebase"), option);
+ case REBASE_APPLY:
+ die(_("%s requires the merge backend"), option);
break;
- case REBASE_INTERACTIVE:
+ case REBASE_MERGE:
case REBASE_PRESERVE_MERGES:
break;
- case REBASE_MERGE:
- /* we now implement --merge via --interactive */
default:
- opts->type = REBASE_INTERACTIVE; /* implied */
+ opts->type = REBASE_MERGE; /* implied */
break;
}
}
return path.buf;
}
-/* Read one file, then strip line endings */
-static int read_one(const char *path, struct strbuf *buf)
-{
- if (strbuf_read_file(buf, path, 0) < 0)
- return error_errno(_("could not read '%s'"), path);
- strbuf_trim_trailing_newline(buf);
- return 0;
-}
-
/* Initialize the rebase options from the state directory. */
static int read_basic_state(struct rebase_options *opts)
{
struct strbuf buf = STRBUF_INIT;
struct object_id oid;
- if (read_one(state_dir_path("head-name", opts), &head_name) ||
- read_one(state_dir_path("onto", opts), &buf))
+ if (!read_oneliner(&head_name, state_dir_path("head-name", opts),
+ READ_ONELINER_WARN_MISSING) ||
+ !read_oneliner(&buf, state_dir_path("onto", opts),
+ READ_ONELINER_WARN_MISSING))
return -1;
opts->head_name = starts_with(head_name.buf, "refs/") ?
xstrdup(head_name.buf) : NULL;
*/
strbuf_reset(&buf);
if (file_exists(state_dir_path("orig-head", opts))) {
- if (read_one(state_dir_path("orig-head", opts), &buf))
+ if (!read_oneliner(&buf, state_dir_path("orig-head", opts),
+ READ_ONELINER_WARN_MISSING))
return -1;
- } else if (read_one(state_dir_path("head", opts), &buf))
+ } else if (!read_oneliner(&buf, state_dir_path("head", opts),
+ READ_ONELINER_WARN_MISSING))
return -1;
if (get_oid(buf.buf, &opts->orig_head))
return error(_("invalid orig-head: '%s'"), buf.buf);
if (file_exists(state_dir_path("allow_rerere_autoupdate", opts))) {
strbuf_reset(&buf);
- if (read_one(state_dir_path("allow_rerere_autoupdate", opts),
- &buf))
+ if (!read_oneliner(&buf, state_dir_path("allow_rerere_autoupdate", opts),
+ READ_ONELINER_WARN_MISSING))
return -1;
if (!strcmp(buf.buf, "--rerere-autoupdate"))
opts->allow_rerere_autoupdate = RERERE_AUTOUPDATE;
if (file_exists(state_dir_path("gpg_sign_opt", opts))) {
strbuf_reset(&buf);
- if (read_one(state_dir_path("gpg_sign_opt", opts),
- &buf))
+ if (!read_oneliner(&buf, state_dir_path("gpg_sign_opt", opts),
+ READ_ONELINER_WARN_MISSING))
return -1;
free(opts->gpg_sign_opt);
opts->gpg_sign_opt = xstrdup(buf.buf);
if (file_exists(state_dir_path("strategy", opts))) {
strbuf_reset(&buf);
- if (read_one(state_dir_path("strategy", opts), &buf))
+ if (!read_oneliner(&buf, state_dir_path("strategy", opts),
+ READ_ONELINER_WARN_MISSING))
return -1;
free(opts->strategy);
opts->strategy = xstrdup(buf.buf);
if (file_exists(state_dir_path("strategy_opts", opts))) {
strbuf_reset(&buf);
- if (read_one(state_dir_path("strategy_opts", opts), &buf))
+ if (!read_oneliner(&buf, state_dir_path("strategy_opts", opts),
+ READ_ONELINER_WARN_MISSING))
return -1;
free(opts->strategy_opts);
opts->strategy_opts = xstrdup(buf.buf);
opts->onto ? oid_to_hex(&opts->onto->object.oid) : "");
write_file(state_dir_path("orig-head", opts), "%s",
oid_to_hex(&opts->orig_head));
- write_file(state_dir_path("quiet", opts), "%s",
- opts->flags & REBASE_NO_QUIET ? "" : "t");
+ if (!(opts->flags & REBASE_NO_QUIET))
+ write_file(state_dir_path("quiet", opts), "%s", "");
if (opts->flags & REBASE_VERBOSE)
write_file(state_dir_path("verbose", opts), "%s", "");
if (opts->strategy)
write_file(state_dir_path("gpg_sign_opt", opts), "%s",
opts->gpg_sign_opt);
if (opts->signoff)
- write_file(state_dir_path("strategy", opts), "--signoff");
-
- return 0;
-}
-
-static int apply_autostash(struct rebase_options *opts)
-{
- const char *path = state_dir_path("autostash", opts);
- struct strbuf autostash = STRBUF_INIT;
- struct child_process stash_apply = CHILD_PROCESS_INIT;
-
- if (!file_exists(path))
- return 0;
+ write_file(state_dir_path("signoff", opts), "--signoff");
- if (read_one(path, &autostash))
- return error(_("Could not read '%s'"), path);
- /* Ensure that the hash is not mistaken for a number */
- strbuf_addstr(&autostash, "^0");
- argv_array_pushl(&stash_apply.args,
- "stash", "apply", autostash.buf, NULL);
- stash_apply.git_cmd = 1;
- stash_apply.no_stderr = stash_apply.no_stdout =
- stash_apply.no_stdin = 1;
- if (!run_command(&stash_apply))
- printf(_("Applied autostash.\n"));
- else {
- struct argv_array args = ARGV_ARRAY_INIT;
- int res = 0;
-
- argv_array_pushl(&args,
- "stash", "store", "-m", "autostash", "-q",
- autostash.buf, NULL);
- if (run_command_v_opt(args.argv, RUN_GIT_CMD))
- res = error(_("Cannot store %s"), autostash.buf);
- argv_array_clear(&args);
- strbuf_release(&autostash);
- if (res)
- return res;
-
- fprintf(stderr,
- _("Applying autostash resulted in conflicts.\n"
- "Your changes are safe in the stash.\n"
- "You can run \"git stash pop\" or \"git stash drop\" "
- "at any time.\n"));
- }
-
- strbuf_release(&autostash);
return 0;
}
static int finish_rebase(struct rebase_options *opts)
{
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);
+ apply_autostash(state_dir_path("autostash", opts));
close_object_store(the_repository->objects);
/*
- * We ignore errors in 'gc --auto', since the
+ * We ignore errors in 'git maintenance run --auto', since the
* user should see them.
*/
- run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
- if (opts->type == REBASE_INTERACTIVE) {
+ run_auto_maintenance(!(opts->flags & (REBASE_NO_QUIET|REBASE_VERBOSE)));
+ if (opts->type == REBASE_MERGE) {
struct replay_opts replay = REPLAY_OPTS_INIT;
replay.action = REPLAY_INTERACTIVE_REBASE;
}
}
-#define GIT_REFLOG_ACTION_ENVIRONMENT "GIT_REFLOG_ACTION"
-
-#define RESET_HEAD_DETACH (1<<0)
-#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,
- const char *reflog_orig_head, const char *reflog_head)
-{
- unsigned detach_head = flags & RESET_HEAD_DETACH;
- 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;
- struct unpack_trees_options unpack_tree_opts;
- struct tree *tree;
- const char *reflog_action;
- struct strbuf msg = STRBUF_INIT;
- size_t prefix_len;
- struct object_id *orig = NULL, oid_orig,
- *old_orig = NULL, oid_old_orig;
- int ret = 0, nr = 0;
-
- if (switch_to_branch && !starts_with(switch_to_branch, "refs/"))
- BUG("Not a fully qualified branch: '%s'", switch_to_branch);
-
- if (!refs_only && hold_locked_index(&lock, LOCK_REPORT_ON_ERROR) < 0) {
- ret = -1;
- goto leave_reset_head;
- }
-
- if ((!oid || !reset_hard) && get_oid("HEAD", &head_oid)) {
- ret = error(_("could not determine HEAD revision"));
- goto leave_reset_head;
- }
-
- if (!oid)
- oid = &head_oid;
-
- if (refs_only)
- goto reset_head_refs;
-
- memset(&unpack_tree_opts, 0, sizeof(unpack_tree_opts));
- setup_unpack_trees_porcelain(&unpack_tree_opts, action);
- unpack_tree_opts.head_idx = 1;
- unpack_tree_opts.src_index = the_repository->index;
- unpack_tree_opts.dst_index = the_repository->index;
- unpack_tree_opts.fn = reset_hard ? oneway_merge : twoway_merge;
- unpack_tree_opts.update = 1;
- unpack_tree_opts.merge = 1;
- if (!detach_head)
- unpack_tree_opts.reset = 1;
-
- if (repo_read_index_unmerged(the_repository) < 0) {
- ret = error(_("could not read index"));
- goto leave_reset_head;
- }
-
- if (!reset_hard && !fill_tree_descriptor(&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)) {
- ret = error(_("failed to find tree of %s"), oid_to_hex(oid));
- goto leave_reset_head;
- }
-
- if (unpack_trees(nr, desc, &unpack_tree_opts)) {
- ret = -1;
- goto leave_reset_head;
- }
-
- tree = parse_tree_indirect(oid);
- prime_cache_tree(the_repository, the_repository->index, tree);
-
- if (write_locked_index(the_repository->index, &lock, COMMIT_LOCK) < 0) {
- ret = error(_("could not write index"));
- goto leave_reset_head;
- }
-
-reset_head_refs:
- reflog_action = getenv(GIT_REFLOG_ACTION_ENVIRONMENT);
- strbuf_addf(&msg, "%s: ", reflog_action ? reflog_action : "rebase");
- prefix_len = msg.len;
-
- 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");
- reflog_head = msg.buf;
- }
- if (!switch_to_branch)
- ret = update_ref(reflog_head, "HEAD", oid, orig,
- detach_head ? REF_NO_DEREF : 0,
- UPDATE_REFS_MSG_ON_ERR);
- else {
- 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,
- reflog_head);
- }
- if (run_hook)
- run_hook_le(NULL, "post-checkout",
- oid_to_hex(orig ? orig : &null_oid),
- oid_to_hex(oid), "1", NULL);
-
-leave_reset_head:
- strbuf_release(&msg);
- rollback_lock_file(&lock);
- while (nr)
- free((void *)desc[--nr].buffer);
- return ret;
-}
-
static int move_to_original_branch(struct rebase_options *opts)
{
struct strbuf orig_head_reflog = STRBUF_INIT, head_reflog = STRBUF_INIT;
opts->head_name, oid_to_hex(&opts->onto->object.oid));
strbuf_addf(&head_reflog, "rebase finished: returning to %s",
opts->head_name);
- ret = reset_head(NULL, "", opts->head_name, RESET_HEAD_REFS_ONLY,
- orig_head_reflog.buf, head_reflog.buf);
+ ret = reset_head(the_repository, NULL, "", opts->head_name,
+ RESET_HEAD_REFS_ONLY,
+ orig_head_reflog.buf, head_reflog.buf,
+ DEFAULT_REFLOG_ACTION);
strbuf_release(&orig_head_reflog);
strbuf_release(&head_reflog);
char *rebased_patches;
am.git_cmd = 1;
- argv_array_push(&am.args, "am");
+ strvec_push(&am.args, "am");
if (opts->action && !strcmp("continue", opts->action)) {
- argv_array_push(&am.args, "--resolved");
- argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg);
+ strvec_push(&am.args, "--resolved");
+ strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg);
if (opts->gpg_sign_opt)
- argv_array_push(&am.args, opts->gpg_sign_opt);
+ strvec_push(&am.args, opts->gpg_sign_opt);
status = run_command(&am);
if (status)
return status;
return move_to_original_branch(opts);
}
if (opts->action && !strcmp("skip", opts->action)) {
- argv_array_push(&am.args, "--skip");
- argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg);
+ strvec_push(&am.args, "--skip");
+ strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg);
status = run_command(&am);
if (status)
return status;
return move_to_original_branch(opts);
}
if (opts->action && !strcmp("show-current-patch", opts->action)) {
- argv_array_push(&am.args, "--show-current-patch");
+ strvec_push(&am.args, "--show-current-patch");
return run_command(&am);
}
status = error_errno(_("could not open '%s' for writing"),
rebased_patches);
free(rebased_patches);
- argv_array_clear(&am.args);
+ strvec_clear(&am.args);
return status;
}
format_patch.git_cmd = 1;
- argv_array_pushl(&format_patch.args, "format-patch", "-k", "--stdout",
- "--full-index", "--cherry-pick", "--right-only",
- "--src-prefix=a/", "--dst-prefix=b/", "--no-renames",
- "--no-cover-letter", "--pretty=mboxrd", "--topo-order", NULL);
+ strvec_pushl(&format_patch.args, "format-patch", "-k", "--stdout",
+ "--full-index", "--cherry-pick", "--right-only",
+ "--src-prefix=a/", "--dst-prefix=b/", "--no-renames",
+ "--no-cover-letter", "--pretty=mboxrd", "--topo-order",
+ "--no-base", NULL);
if (opts->git_format_patch_opt.len)
- argv_array_split(&format_patch.args,
- opts->git_format_patch_opt.buf);
- argv_array_push(&format_patch.args, revisions.buf);
+ strvec_split(&format_patch.args,
+ opts->git_format_patch_opt.buf);
+ strvec_push(&format_patch.args, revisions.buf);
if (opts->restrict_revision)
- argv_array_pushf(&format_patch.args, "^%s",
- oid_to_hex(&opts->restrict_revision->object.oid));
+ strvec_pushf(&format_patch.args, "^%s",
+ oid_to_hex(&opts->restrict_revision->object.oid));
status = run_command(&format_patch);
if (status) {
unlink(rebased_patches);
free(rebased_patches);
- argv_array_clear(&am.args);
+ strvec_clear(&am.args);
- reset_head(&opts->orig_head, "checkout", opts->head_name, 0,
- "HEAD", NULL);
+ reset_head(the_repository, &opts->orig_head, "checkout",
+ opts->head_name, 0,
+ "HEAD", NULL, DEFAULT_REFLOG_ACTION);
error(_("\ngit encountered an error while preparing the "
"patches to replay\n"
"these revisions:\n"
status = error_errno(_("could not open '%s' for reading"),
rebased_patches);
free(rebased_patches);
- argv_array_clear(&am.args);
+ strvec_clear(&am.args);
return status;
}
- argv_array_pushv(&am.args, opts->git_am_opts.argv);
- argv_array_push(&am.args, "--rebasing");
- argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg);
- argv_array_push(&am.args, "--patch-format=mboxrd");
+ strvec_pushv(&am.args, opts->git_am_opts.v);
+ strvec_push(&am.args, "--rebasing");
+ strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg);
+ strvec_push(&am.args, "--patch-format=mboxrd");
if (opts->allow_rerere_autoupdate == RERERE_AUTOUPDATE)
- argv_array_push(&am.args, "--rerere-autoupdate");
+ strvec_push(&am.args, "--rerere-autoupdate");
else if (opts->allow_rerere_autoupdate == RERERE_NOAUTOUPDATE)
- argv_array_push(&am.args, "--no-rerere-autoupdate");
+ strvec_push(&am.args, "--no-rerere-autoupdate");
if (opts->gpg_sign_opt)
- argv_array_push(&am.args, opts->gpg_sign_opt);
+ strvec_push(&am.args, opts->gpg_sign_opt);
status = run_command(&am);
unlink(rebased_patches);
free(rebased_patches);
int status;
const char *backend, *backend_func;
- if (opts->type == REBASE_INTERACTIVE) {
- /* Run builtin interactive rebase */
+ if (opts->type == REBASE_MERGE) {
+ /* Run sequencer-based rebase */
setenv("GIT_CHERRY_PICK_HELP", resolvemsg, 1);
if (!(opts->flags & REBASE_INTERACTIVE_EXPLICIT)) {
setenv("GIT_SEQUENCE_EDITOR", ":", 1);
opts->gpg_sign_opt = tmp;
}
- status = run_rebase_interactive(opts, action);
+ status = run_sequencer_rebase(opts, action);
goto finished_rebase;
}
- if (opts->type == REBASE_AM) {
+ if (opts->type == REBASE_APPLY) {
status = run_am(opts);
goto finished_rebase;
}
add_var(&script_snippet, "revisions", opts->revisions);
add_var(&script_snippet, "restrict_revision", opts->restrict_revision ?
oid_to_hex(&opts->restrict_revision->object.oid) : NULL);
- add_var(&script_snippet, "GIT_QUIET",
- opts->flags & REBASE_NO_QUIET ? "" : "t");
- sq_quote_argv_pretty(&buf, opts->git_am_opts.argv);
+ sq_quote_argv_pretty(&buf, opts->git_am_opts.v);
add_var(&script_snippet, "git_am_opt", buf.buf);
strbuf_release(&buf);
add_var(&script_snippet, "verbose",
add_var(&script_snippet, "git_format_patch_opt",
opts->git_format_patch_opt.buf);
- if (is_interactive(opts) &&
+ if (is_merge(opts) &&
!(opts->flags & REBASE_INTERACTIVE_EXPLICIT)) {
strbuf_addstr(&script_snippet,
"GIT_SEQUENCE_EDITOR=:; export GIT_SEQUENCE_EDITOR; ");
}
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);
finished_rebase:
if (opts->dont_finish_rebase)
; /* do nothing */
- else if (opts->type == REBASE_INTERACTIVE)
- ; /* interactive rebase cleans up after itself */
+ else if (opts->type == REBASE_MERGE)
+ ; /* merge backend cleans up after itself */
else if (status == 0) {
if (!file_exists(state_dir_path("stopped-sha", opts)))
finish_rebase(opts);
} else if (status == 2) {
struct strbuf dir = STRBUF_INIT;
- apply_autostash(opts);
+ apply_autostash(state_dir_path("autostash", opts));
strbuf_addstr(&dir, opts->state_dir);
remove_dir_recursively(&dir, 0);
strbuf_release(&dir);
return 0;
}
- if (!strcmp(var, "rebase.usebuiltin")) {
- opts->use_legacy_rebase = !git_config_bool(var, value);
+ if (!strcmp(var, "rebase.forkpoint")) {
+ opts->fork_point = git_config_bool(var, value) ? -1 : 0;
return 0;
}
+ if (!strcmp(var, "rebase.backend")) {
+ return git_config_string(&opts->default_backend, var, value);
+ }
+
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);
}
+static int parse_opt_am(const struct option *opt, const char *arg, int unset)
+{
+ struct rebase_options *opts = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+
+ opts->type = REBASE_APPLY;
+
+ return 0;
+}
+
/* -i followed by -m is still -i */
static int parse_opt_merge(const struct option *opt, const char *arg, int unset)
{
BUG_ON_OPT_NEG(unset);
BUG_ON_OPT_ARG(arg);
- if (!is_interactive(opts))
+ if (!is_merge(opts))
opts->type = REBASE_MERGE;
return 0;
BUG_ON_OPT_NEG(unset);
BUG_ON_OPT_ARG(arg);
- opts->type = REBASE_INTERACTIVE;
+ opts->type = REBASE_MERGE;
opts->flags |= REBASE_INTERACTIVE_EXPLICIT;
return 0;
}
+static enum empty_type parse_empty_value(const char *value)
+{
+ if (!strcasecmp(value, "drop"))
+ return EMPTY_DROP;
+ else if (!strcasecmp(value, "keep"))
+ return EMPTY_KEEP;
+ else if (!strcasecmp(value, "ask"))
+ return EMPTY_ASK;
+
+ die(_("unrecognized empty type '%s'; valid values are \"drop\", \"keep\", and \"ask\"."), value);
+}
+
+static int parse_opt_empty(const struct option *opt, const char *arg, int unset)
+{
+ struct rebase_options *options = opt->value;
+ enum empty_type value = parse_empty_value(arg);
+
+ BUG_ON_OPT_NEG(unset);
+
+ options->empty = value;
+ return 0;
+}
+
static void NORETURN error_on_missing_default_upstream(void)
{
struct branch *current_branch = branch_get(NULL);
const char *env;
struct strbuf buf = STRBUF_INIT;
- if (!is_interactive(options))
+ if (!is_merge(options))
return;
env = getenv(GIT_REFLOG_ACTION_ENVIRONMENT);
if (env && strcmp("rebase", env))
return; /* only override it if it is "rebase" */
- strbuf_addf(&buf, "rebase -i (%s)", options->action);
+ strbuf_addf(&buf, "rebase (%s)", options->action);
setenv(GIT_REFLOG_ACTION_ENVIRONMENT, buf.buf, 1);
strbuf_release(&buf);
}
return 0;
}
-
int cmd_rebase(int argc, const char **argv, const char *prefix)
{
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;
+ int ignore_whitespace = 0;
enum action action = ACTION_NONE;
const char *gpg_sign = NULL;
struct string_list exec = STRING_LIST_INIT_NODUP;
const char *rebase_merges = NULL;
- int fork_point = -1;
struct string_list strategy_options = STRING_LIST_INIT_NODUP;
struct object_id squash_onto;
char *squash_onto_name = NULL;
int reschedule_failed_exec = -1;
+ int allow_preemptive_ff = 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_("be quiet. implies --no-stat"),
- REBASE_NO_QUIET| REBASE_VERBOSE | REBASE_DIFFSTAT),
+ REBASE_NO_QUIET | REBASE_VERBOSE | REBASE_DIFFSTAT),
OPT_BIT('v', "verbose", &options.flags,
N_("display a diffstat of what changed upstream"),
REBASE_NO_QUIET | REBASE_VERBOSE | REBASE_DIFFSTAT),
N_("do not show diffstat of what changed upstream"),
PARSE_OPT_NOARG, NULL, REBASE_DIFFSTAT },
OPT_BOOL(0, "signoff", &options.signoff,
- N_("add a Signed-off-by: line to each commit")),
- OPT_PASSTHRU_ARGV(0, "ignore-whitespace", &options.git_am_opts,
- NULL, N_("passed to 'git am'"),
- PARSE_OPT_NOARG),
- OPT_PASSTHRU_ARGV(0, "committer-date-is-author-date",
- &options.git_am_opts, NULL,
- N_("passed to 'git am'"), PARSE_OPT_NOARG),
- OPT_PASSTHRU_ARGV(0, "ignore-date", &options.git_am_opts, NULL,
- N_("passed to 'git am'"), PARSE_OPT_NOARG),
+ N_("add a Signed-off-by trailer to each commit")),
+ OPT_BOOL(0, "committer-date-is-author-date",
+ &options.committer_date_is_author_date,
+ N_("make committer date match author date")),
+ OPT_BOOL(0, "reset-author-date", &options.ignore_date,
+ N_("ignore author date and use current date")),
+ OPT_HIDDEN_BOOL(0, "ignore-date", &options.ignore_date,
+ N_("synonym of --reset-author-date")),
OPT_PASSTHRU_ARGV('C', NULL, &options.git_am_opts, N_("n"),
N_("passed to 'git apply'"), 0),
+ OPT_BOOL(0, "ignore-whitespace", &ignore_whitespace,
+ N_("ignore changes in whitespace")),
OPT_PASSTHRU_ARGV(0, "whitespace", &options.git_am_opts,
N_("action"), N_("passed to 'git apply'"), 0),
OPT_BIT('f', "force-rebase", &options.flags,
OPT_CMDMODE(0, "show-current-patch", &action,
N_("show the patch file being applied or merged"),
ACTION_SHOW_CURRENT_PATCH),
- { OPTION_CALLBACK, 'm', "merge", &options, NULL,
+ OPT_CALLBACK_F(0, "apply", &options, NULL,
+ N_("use apply strategies to rebase"),
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG,
+ parse_opt_am),
+ OPT_CALLBACK_F('m', "merge", &options, NULL,
N_("use merging strategies to rebase"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG,
- parse_opt_merge },
- { OPTION_CALLBACK, 'i', "interactive", &options, NULL,
+ parse_opt_merge),
+ OPT_CALLBACK_F('i', "interactive", &options, NULL,
N_("let the user edit the list of commits to rebase"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG,
- parse_opt_interactive },
- OPT_SET_INT('p', "preserve-merges", &options.type,
- N_("(DEPRECATED) try to recreate merges instead of "
- "ignoring them"), REBASE_PRESERVE_MERGES),
+ parse_opt_interactive),
+ OPT_SET_INT_F('p', "preserve-merges", &options.type,
+ N_("(DEPRECATED) try to recreate merges instead of "
+ "ignoring them"),
+ REBASE_PRESERVE_MERGES, PARSE_OPT_HIDDEN),
OPT_RERERE_AUTOUPDATE(&options.allow_rerere_autoupdate),
- OPT_BOOL('k', "keep-empty", &options.keep_empty,
- N_("preserve empty commits during rebase")),
+ OPT_CALLBACK_F(0, "empty", &options, "{drop,keep,ask}",
+ N_("how to handle commits that become empty"),
+ PARSE_OPT_NONEG, parse_opt_empty),
+ OPT_CALLBACK_F('k', "keep-empty", &options, NULL,
+ N_("keep commits which start empty"),
+ PARSE_OPT_NOARG | PARSE_OPT_HIDDEN,
+ parse_opt_keep_empty),
OPT_BOOL(0, "autosquash", &options.autosquash,
N_("move commits that begin with "
"squash!/fixup! under -i")),
{ OPTION_STRING, 'S', "gpg-sign", &gpg_sign, N_("key-id"),
N_("GPG-sign commits"),
PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
- OPT_BOOL(0, "autostash", &options.autostash,
- N_("automatically stash/stash pop before and after")),
+ OPT_AUTOSTASH(&options.autostash),
OPT_STRING_LIST('x', "exec", &exec, N_("exec"),
N_("add exec lines after each commit of the "
"editable list")),
- OPT_BOOL(0, "allow-empty-message",
- &options.allow_empty_message,
- N_("allow rebasing commits with empty messages")),
+ OPT_BOOL_F(0, "allow-empty-message",
+ &options.allow_empty_message,
+ N_("allow rebasing commits with empty messages"),
+ PARSE_OPT_HIDDEN),
{OPTION_STRING, 'r', "rebase-merges", &rebase_merges,
N_("mode"),
N_("try to rebase merges instead of skipping them"),
PARSE_OPT_OPTARG, NULL, (intptr_t)""},
- OPT_BOOL(0, "fork-point", &fork_point,
+ OPT_BOOL(0, "fork-point", &options.fork_point,
N_("use 'merge-base --fork-point' to refine upstream")),
OPT_STRING('s', "strategy", &options.strategy,
N_("strategy"), N_("use the given merge strategy")),
OPT_BOOL(0, "reschedule-failed-exec",
&reschedule_failed_exec,
N_("automatically re-schedule any `exec` that fails")),
+ OPT_BOOL(0, "reapply-cherry-picks", &options.reapply_cherry_picks,
+ N_("apply all changes, even those already present upstream")),
OPT_END(),
};
int i;
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."));
+ /* options.gpg_sign_opt will be either "-S" or NULL */
+ gpg_sign = options.gpg_sign_opt ? "" : NULL;
+ FREE_AND_NULL(options.gpg_sign_opt);
strbuf_reset(&buf);
strbuf_addf(&buf, "%s/applying", apply_dir());
die(_("It looks like 'git am' is in progress. Cannot rebase."));
if (is_directory(apply_dir())) {
- options.type = REBASE_AM;
+ options.type = REBASE_APPLY;
options.state_dir = apply_dir();
} else if (is_directory(merge_dir())) {
strbuf_reset(&buf);
strbuf_reset(&buf);
strbuf_addf(&buf, "%s/interactive", merge_dir());
if(file_exists(buf.buf)) {
- options.type = REBASE_INTERACTIVE;
+ options.type = REBASE_MERGE;
options.flags |= REBASE_INTERACTIVE_EXPLICIT;
} else
options.type = REBASE_MERGE;
warning(_("git rebase --preserve-merges is deprecated. "
"Use --rebase-merges instead."));
+ 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 (options.root && options.fork_point > 0)
+ die(_("cannot combine '--root' with '--fork-point'"));
+
if (action != ACTION_NONE && !in_progress)
die(_("No rebase in progress?"));
setenv(GIT_REFLOG_ACTION_ENVIRONMENT, "rebase", 0);
- if (action == ACTION_EDIT_TODO && !is_interactive(&options))
+ if (action == ACTION_EDIT_TODO && !is_merge(&options))
die(_("The --edit-todo action can only be used during "
"interactive rebase."));
if (trace2_is_enabled()) {
- if (is_interactive(&options))
+ if (is_merge(&options))
trace2_cmd_mode("interactive");
else if (exec.nr)
trace2_cmd_mode("interactive-exec");
rerere_clear(the_repository, &merge_rr);
string_list_clear(&merge_rr, 1);
- if (reset_head(NULL, "reset", NULL, RESET_HEAD_HARD,
- NULL, NULL) < 0)
+ if (reset_head(the_repository, NULL, "reset", NULL, RESET_HEAD_HARD,
+ NULL, NULL, DEFAULT_REFLOG_ACTION) < 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;
if (read_basic_state(&options))
exit(1);
- if (reset_head(&options.orig_head, "reset",
+ if (reset_head(the_repository, &options.orig_head, "reset",
options.head_name, RESET_HEAD_HARD,
- NULL, NULL) < 0)
+ NULL, NULL, DEFAULT_REFLOG_ACTION) < 0)
die(_("could not move back to %s"),
oid_to_hex(&options.orig_head));
- remove_branch_state(the_repository);
+ remove_branch_state(the_repository, 0);
ret = !!finish_rebase(&options);
goto cleanup;
}
case ACTION_QUIT: {
- if (options.type == REBASE_INTERACTIVE) {
+ save_autostash(state_dir_path("autostash", &options));
+ if (options.type == REBASE_MERGE) {
struct replay_opts replay = REPLAY_OPTS_INIT;
replay.action = REPLAY_INTERACTIVE_REBASE;
state_dir_base, cmd_live_rebase, buf.buf);
}
- for (i = 0; i < options.git_am_opts.argc; i++) {
- const char *option = options.git_am_opts.argv[i], *p;
- if (!strcmp(option, "--committer-date-is-author-date") ||
- !strcmp(option, "--ignore-date") ||
- !strcmp(option, "--whitespace=fix") ||
+ if ((options.flags & REBASE_INTERACTIVE_EXPLICIT) ||
+ (action != ACTION_NONE) ||
+ (exec.nr > 0) ||
+ options.autosquash) {
+ allow_preemptive_ff = 0;
+ }
+ if (options.committer_date_is_author_date || options.ignore_date)
+ options.flags |= REBASE_FORCE;
+
+ for (i = 0; i < options.git_am_opts.nr; i++) {
+ const char *option = options.git_am_opts.v[i], *p;
+ if (!strcmp(option, "--whitespace=fix") ||
!strcmp(option, "--whitespace=strip"))
- options.flags |= REBASE_FORCE;
+ allow_preemptive_ff = 0;
else if (skip_prefix(option, "-C", &p)) {
while (*p)
if (!isdigit(*(p++)))
exit(1);
if (!(options.flags & REBASE_NO_QUIET))
- argv_array_push(&options.git_am_opts, "-q");
+ strvec_push(&options.git_am_opts, "-q");
+
+ if (options.empty != EMPTY_UNSPECIFIED)
+ imply_merge(&options, "--empty");
- if (options.keep_empty)
- imply_interactive(&options, "--keep-empty");
+ if (options.reapply_cherry_picks)
+ imply_merge(&options, "--reapply-cherry-picks");
- if (gpg_sign) {
- free(options.gpg_sign_opt);
+ if (gpg_sign)
options.gpg_sign_opt = xstrfmt("-S%s", gpg_sign);
- }
if (exec.nr) {
int i;
- imply_interactive(&options, "--exec");
+ imply_merge(&options, "--exec");
strbuf_reset(&buf);
for (i = 0; i < exec.nr; i++)
else if (strcmp("no-rebase-cousins", rebase_merges))
die(_("Unknown mode: %s"), rebase_merges);
options.rebase_merges = 1;
- imply_interactive(&options, "--rebase-merges");
+ imply_merge(&options, "--rebase-merges");
+ }
+
+ if (options.type == REBASE_APPLY) {
+ if (ignore_whitespace)
+ strvec_push(&options.git_am_opts,
+ "--ignore-whitespace");
+ if (options.committer_date_is_author_date)
+ strvec_push(&options.git_am_opts,
+ "--committer-date-is-author-date");
+ if (options.ignore_date)
+ strvec_push(&options.git_am_opts, "--ignore-date");
+ } else {
+ /* REBASE_MERGE and PRESERVE_MERGES */
+ if (ignore_whitespace) {
+ string_list_append(&strategy_options,
+ "ignore-space-change");
+ }
}
if (strategy_options.nr) {
if (options.strategy) {
options.strategy = xstrdup(options.strategy);
switch (options.type) {
- case REBASE_AM:
+ case REBASE_APPLY:
die(_("--strategy requires --merge or --interactive"));
case REBASE_MERGE:
- case REBASE_INTERACTIVE:
case REBASE_PRESERVE_MERGES:
/* compatible */
break;
}
if (options.type == REBASE_MERGE)
- imply_interactive(&options, "--merge");
+ imply_merge(&options, "--merge");
if (options.root && !options.onto_name)
- imply_interactive(&options, "--root without --onto");
+ imply_merge(&options, "--root without --onto");
if (isatty(2) && options.flags & REBASE_NO_QUIET)
strbuf_addstr(&options.git_format_patch_opt, " --progress");
+ if (options.git_am_opts.nr || options.type == REBASE_APPLY) {
+ /* all am options except -q are compatible only with --apply */
+ for (i = options.git_am_opts.nr - 1; i >= 0; i--)
+ if (strcmp(options.git_am_opts.v[i], "-q"))
+ break;
+
+ if (i >= 0) {
+ if (is_merge(&options))
+ die(_("cannot combine apply options with "
+ "merge options"));
+ else
+ options.type = REBASE_APPLY;
+ }
+ }
+
+ if (options.type == REBASE_UNSPECIFIED) {
+ if (!strcmp(options.default_backend, "merge"))
+ imply_merge(&options, "--merge");
+ else if (!strcmp(options.default_backend, "apply"))
+ options.type = REBASE_APPLY;
+ else
+ die(_("Unknown rebase backend: %s"),
+ options.default_backend);
+ }
+
+ if (options.type == REBASE_MERGE &&
+ !options.strategy &&
+ getenv("GIT_TEST_MERGE_ALGORITHM"))
+ options.strategy = xstrdup(getenv("GIT_TEST_MERGE_ALGORITHM"));
+
switch (options.type) {
case REBASE_MERGE:
- case REBASE_INTERACTIVE:
case REBASE_PRESERVE_MERGES:
options.state_dir = merge_dir();
break;
- case REBASE_AM:
+ case REBASE_APPLY:
options.state_dir = apply_dir();
break;
default:
- /* the default rebase backend is `--am` */
- options.type = REBASE_AM;
- options.state_dir = apply_dir();
- break;
+ BUG("options.type was just set above; should be unreachable.");
}
- if (reschedule_failed_exec > 0 && !is_interactive(&options))
+ if (options.empty == EMPTY_UNSPECIFIED) {
+ if (options.flags & REBASE_INTERACTIVE_EXPLICIT)
+ options.empty = EMPTY_ASK;
+ else if (exec.nr > 0)
+ options.empty = EMPTY_KEEP;
+ else
+ options.empty = EMPTY_DROP;
+ }
+ if (reschedule_failed_exec > 0 && !is_merge(&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 */
- for (i = options.git_am_opts.argc - 1; i >= 0; i--)
- if (strcmp(options.git_am_opts.argv[i], "-q"))
- break;
-
- if (is_interactive(&options) && i >= 0)
- die(_("cannot combine am options with either "
- "interactive or merge options"));
- }
-
if (options.signoff) {
if (options.type == REBASE_PRESERVE_MERGES)
die("cannot combine '--signoff' with "
"'--preserve-merges'");
- argv_array_push(&options.git_am_opts, "--signoff");
+ strvec_push(&options.git_am_opts, "--signoff");
options.flags |= REBASE_FORCE;
}
"'--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;
NULL);
if (!options.upstream_name)
error_on_missing_default_upstream();
- if (fork_point < 0)
- fork_point = 1;
+ if (options.fork_point < 0)
+ options.fork_point = 1;
} else {
options.upstream_name = argv[0];
argc--;
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 {
/* Is it a local branch? */
strbuf_reset(&buf);
strbuf_addf(&buf, "refs/heads/%s", branch_name);
- if (!read_ref(buf.buf, &options.orig_head))
+ if (!read_ref(buf.buf, &options.orig_head)) {
+ die_if_checked_out(buf.buf, 1);
options.head_name = xstrdup(buf.buf);
/* If not is it a valid ref (branch or commit)? */
- else if (!get_oid(branch_name, &options.orig_head))
+ } else if (!get_oid(branch_name, &options.orig_head) &&
+ lookup_commit_reference(the_repository,
+ &options.orig_head))
options.head_name = NULL;
else
die(_("fatal: no such branch/commit '%s'"),
} else
BUG("unexpected number of arguments left to parse");
- if (fork_point > 0) {
+ if (options.fork_point > 0) {
struct commit *head =
lookup_commit_reference(the_repository,
&options.orig_head);
die(_("could not read index"));
if (options.autostash) {
- struct lock_file lock_file = LOCK_INIT;
- int fd;
-
- fd = hold_locked_index(&lock_file, 0);
- refresh_cache(REFRESH_QUIET);
- if (0 <= fd)
- repo_update_index_if_able(the_repository, &lock_file);
- rollback_lock_file(&lock_file);
-
- if (has_unstaged_changes(the_repository, 1) ||
- has_uncommitted_changes(the_repository, 1)) {
- const char *autostash =
- 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);
- stash.git_cmd = 1;
- stash.no_stdin = 1;
- strbuf_reset(&buf);
- if (capture_command(&stash, &buf, GIT_MAX_HEXSZ))
- die(_("Cannot autostash"));
- strbuf_trim_trailing_newline(&buf);
- if (get_oid(buf.buf, &oid))
- die(_("Unexpected stash response: '%s'"),
- buf.buf);
- strbuf_reset(&buf);
- strbuf_add_unique_abbrev(&buf, &oid, DEFAULT_ABBREV);
-
- if (safe_create_leading_directories_const(autostash))
- die(_("Could not create directory for '%s'"),
- 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",
- 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)
- die(_("could not read index"));
- }
+ create_autostash(the_repository, state_dir_path("autostash", &options),
+ DEFAULT_REFLOG_ACTION);
}
if (require_clean_work_tree(the_repository, "rebase",
/*
* 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.
+ *
+ * Note that can_fast_forward() initializes merge_base, so we have to
+ * call it before checking allow_preemptive_ff.
*/
- 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) &&
+ allow_preemptive_ff) {
int flag;
if (!(options.flags & REBASE_FORCE)) {
/* Lazily switch to the target branch if needed... */
if (options.switch_to) {
- struct object_id oid;
-
- if (get_oid(options.switch_to, &oid) < 0) {
- ret = !!error(_("could not parse '%s'"),
- options.switch_to);
- goto cleanup;
- }
-
strbuf_reset(&buf);
strbuf_addf(&buf, "%s: checkout %s",
getenv(GIT_REFLOG_ACTION_ENVIRONMENT),
options.switch_to);
- if (reset_head(&oid, "checkout",
+ if (reset_head(the_repository,
+ &options.orig_head, "checkout",
options.head_name,
RESET_HEAD_RUN_POST_CHECKOUT_HOOK,
- NULL, buf.buf) < 0) {
+ NULL, buf.buf,
+ DEFAULT_REFLOG_ACTION) < 0) {
ret = !!error(_("could not switch to "
"%s"),
options.switch_to);
diff_flush(&opts);
}
- if (is_interactive(&options))
+ if (is_merge(&options))
goto run_rebase;
/* Detach HEAD and reset the tree */
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_ORIG_HEAD |
+ if (reset_head(the_repository, &options.onto->object.oid, "checkout", NULL,
+ RESET_HEAD_DETACH | RESET_ORIG_HEAD |
RESET_HEAD_RUN_POST_CHECKOUT_HOOK,
- NULL, msg.buf))
+ NULL, msg.buf, DEFAULT_REFLOG_ACTION))
die(_("Could not detach HEAD"));
strbuf_release(&msg);
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,
- RESET_HEAD_REFS_ONLY, "HEAD", msg.buf);
+ reset_head(the_repository, NULL, "Fast-forwarded", options.head_name,
+ RESET_HEAD_REFS_ONLY, "HEAD", msg.buf,
+ DEFAULT_REFLOG_ACTION);
strbuf_release(&msg);
ret = !!finish_rebase(&options);
goto cleanup;
projects / thirdparty / git.git / blobdiff