in builtin/rebase.c [1032:1840]
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;
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;
int preserve_merges_selected = 0;
struct reset_head_opts ropts = { 0 };
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),
OPT_BIT('v', "verbose", &options.flags,
N_("display a diffstat of what changed upstream"),
REBASE_NO_QUIET | REBASE_VERBOSE | REBASE_DIFFSTAT),
{OPTION_NEGBIT, 'n', "no-stat", &options.flags, NULL,
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 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,
N_("cherry-pick all commits, even if unchanged"),
REBASE_FORCE),
OPT_BIT(0, "no-ff", &options.flags,
N_("cherry-pick all commits, even if unchanged"),
REBASE_FORCE),
OPT_CMDMODE(0, "continue", &action, N_("continue"),
ACTION_CONTINUE),
OPT_CMDMODE(0, "skip", &action,
N_("skip current patch and continue"), ACTION_SKIP),
OPT_CMDMODE(0, "abort", &action,
N_("abort and check out the original branch"),
ACTION_ABORT),
OPT_CMDMODE(0, "quit", &action,
N_("abort but keep HEAD where it is"), ACTION_QUIT),
OPT_CMDMODE(0, "edit-todo", &action, N_("edit the todo list "
"during an interactive rebase"), ACTION_EDIT_TODO),
OPT_CMDMODE(0, "show-current-patch", &action,
N_("show the patch file being applied or merged"),
ACTION_SHOW_CURRENT_PATCH),
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),
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_F('p', "preserve-merges", &preserve_merges_selected,
N_("(REMOVED) was: try to recreate merges "
"instead of ignoring them"),
1, PARSE_OPT_HIDDEN),
OPT_RERERE_AUTOUPDATE(&options.allow_rerere_autoupdate),
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")),
OPT_BOOL(0, "update-refs", &options.update_refs,
N_("update branches that point to commits "
"that are being rebased")),
{ OPTION_STRING, 'S', "gpg-sign", &gpg_sign, N_("key-id"),
N_("GPG-sign commits"),
PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
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_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", &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_STRING_LIST('X', "strategy-option", &strategy_options,
N_("option"),
N_("pass the argument through to the merge "
"strategy")),
OPT_BOOL(0, "root", &options.root,
N_("rebase all reachable commits up to the root(s)")),
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;
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_rebase_usage,
builtin_rebase_options);
prepare_repo_settings(the_repository);
the_repository->settings.command_requires_full_index = 0;
options.allow_empty_message = 1;
git_config(rebase_config, &options);
/* 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());
if(file_exists(buf.buf))
die(_("It looks like 'git am' is in progress. Cannot rebase."));
if (is_directory(apply_dir())) {
options.type = REBASE_APPLY;
options.state_dir = apply_dir();
} else if (is_directory(merge_dir())) {
strbuf_reset(&buf);
strbuf_addf(&buf, "%s/rewritten", merge_dir());
if (!(action == ACTION_ABORT) && is_directory(buf.buf)) {
die(_("`rebase --preserve-merges` (-p) is no longer supported.\n"
"Use `git rebase --abort` to terminate current rebase.\n"
"Or downgrade to v2.33, or earlier, to complete the rebase."));
} else {
strbuf_reset(&buf);
strbuf_addf(&buf, "%s/interactive", merge_dir());
options.type = REBASE_MERGE;
if (file_exists(buf.buf))
options.flags |= REBASE_INTERACTIVE_EXPLICIT;
}
options.state_dir = merge_dir();
}
if (options.type != REBASE_UNSPECIFIED)
in_progress = 1;
total_argc = argc;
argc = parse_options(argc, argv, prefix,
builtin_rebase_options,
builtin_rebase_usage, 0);
if (preserve_merges_selected)
die(_("--preserve-merges was replaced by --rebase-merges\n"
"Note: Your `pull.rebase` configuration may also be set to 'preserve',\n"
"which is no longer supported; use 'merges' instead"));
if (action != ACTION_NONE && total_argc != 2) {
usage_with_options(builtin_rebase_usage,
builtin_rebase_options);
}
if (argc > 2)
usage_with_options(builtin_rebase_usage,
builtin_rebase_options);
if (keep_base) {
if (options.onto_name)
die(_("options '%s' and '%s' cannot be used together"), "--keep-base", "--onto");
if (options.root)
die(_("options '%s' and '%s' cannot be used together"), "--keep-base", "--root");
}
if (options.root && options.fork_point > 0)
die(_("options '%s' and '%s' cannot be used together"), "--root", "--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_merge(&options))
die(_("The --edit-todo action can only be used during "
"interactive rebase."));
if (trace2_is_enabled()) {
if (is_merge(&options))
trace2_cmd_mode("interactive");
else if (exec.nr)
trace2_cmd_mode("interactive-exec");
else
trace2_cmd_mode(action_names[action]);
}
switch (action) {
case ACTION_CONTINUE: {
struct object_id head;
struct lock_file lock_file = LOCK_INIT;
int fd;
options.action = "continue";
set_reflog_action(&options);
/* Sanity check */
if (get_oid("HEAD", &head))
die(_("Cannot read HEAD"));
fd = hold_locked_index(&lock_file, 0);
if (repo_read_index(the_repository) < 0)
die(_("could not read index"));
refresh_index(the_repository->index, REFRESH_QUIET, NULL, NULL,
NULL);
if (0 <= fd)
repo_update_index_if_able(the_repository, &lock_file);
rollback_lock_file(&lock_file);
if (has_unstaged_changes(the_repository, 1)) {
puts(_("You must edit all merge conflicts and then\n"
"mark them as resolved using git add"));
exit(1);
}
if (read_basic_state(&options))
exit(1);
goto run_rebase;
}
case ACTION_SKIP: {
struct string_list merge_rr = STRING_LIST_INIT_DUP;
options.action = "skip";
set_reflog_action(&options);
rerere_clear(the_repository, &merge_rr);
string_list_clear(&merge_rr, 1);
ropts.flags = RESET_HEAD_HARD;
if (reset_head(the_repository, &ropts) < 0)
die(_("could not discard worktree changes"));
remove_branch_state(the_repository, 0);
if (read_basic_state(&options))
exit(1);
goto run_rebase;
}
case ACTION_ABORT: {
struct string_list merge_rr = STRING_LIST_INIT_DUP;
options.action = "abort";
set_reflog_action(&options);
rerere_clear(the_repository, &merge_rr);
string_list_clear(&merge_rr, 1);
if (read_basic_state(&options))
exit(1);
ropts.oid = &options.orig_head;
ropts.branch = options.head_name;
ropts.flags = RESET_HEAD_HARD;
ropts.default_reflog_action = DEFAULT_REFLOG_ACTION;
if (reset_head(the_repository, &ropts) < 0)
die(_("could not move back to %s"),
oid_to_hex(&options.orig_head));
remove_branch_state(the_repository, 0);
ret = finish_rebase(&options);
goto cleanup;
}
case ACTION_QUIT: {
save_autostash(state_dir_path("autostash", &options));
if (options.type == REBASE_MERGE) {
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 = "edit-todo";
options.dont_finish_rebase = 1;
goto run_rebase;
case ACTION_SHOW_CURRENT_PATCH:
options.action = "show-current-patch";
options.dont_finish_rebase = 1;
goto run_rebase;
case ACTION_NONE:
break;
default:
BUG("action: %d", action);
}
/* Make sure no rebase is in progress */
if (in_progress) {
const char *last_slash = strrchr(options.state_dir, '/');
const char *state_dir_base =
last_slash ? last_slash + 1 : options.state_dir;
const char *cmd_live_rebase =
"git rebase (--continue | --abort | --skip)";
strbuf_reset(&buf);
strbuf_addf(&buf, "rm -fr \"%s\"", options.state_dir);
die(_("It seems that there is already a %s directory, and\n"
"I wonder if you are in the middle of another rebase. "
"If that is the\n"
"case, please try\n\t%s\n"
"If that is not the case, please\n\t%s\n"
"and run me again. I am stopping in case you still "
"have something\n"
"valuable there.\n"),
state_dir_base, cmd_live_rebase, buf.buf);
}
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"))
allow_preemptive_ff = 0;
else if (skip_prefix(option, "-C", &p)) {
while (*p)
if (!isdigit(*(p++)))
die(_("switch `C' expects a "
"numerical value"));
} else if (skip_prefix(option, "--whitespace=", &p)) {
if (*p && strcmp(p, "warn") && strcmp(p, "nowarn") &&
strcmp(p, "error") && strcmp(p, "error-all"))
die("Invalid whitespace option: '%s'", p);
}
}
for (i = 0; i < exec.nr; i++)
if (check_exec_cmd(exec.items[i].string))
exit(1);
if (!(options.flags & REBASE_NO_QUIET))
strvec_push(&options.git_am_opts, "-q");
if (options.empty != EMPTY_UNSPECIFIED)
imply_merge(&options, "--empty");
if (options.reapply_cherry_picks)
imply_merge(&options, "--reapply-cherry-picks");
if (gpg_sign)
options.gpg_sign_opt = xstrfmt("-S%s", gpg_sign);
if (exec.nr) {
int i;
imply_merge(&options, "--exec");
strbuf_reset(&buf);
for (i = 0; i < exec.nr; i++)
strbuf_addf(&buf, "exec %s\n", exec.items[i].string);
options.cmd = xstrdup(buf.buf);
}
if (rebase_merges) {
if (!*rebase_merges)
; /* default mode; do nothing */
else if (!strcmp("rebase-cousins", rebase_merges))
options.rebase_cousins = 1;
else if (strcmp("no-rebase-cousins", rebase_merges))
die(_("Unknown mode: %s"), rebase_merges);
options.rebase_merges = 1;
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 */
if (ignore_whitespace) {
string_list_append(&strategy_options,
"ignore-space-change");
}
}
if (strategy_options.nr) {
int i;
if (!options.strategy)
options.strategy = "ort";
strbuf_reset(&buf);
for (i = 0; i < strategy_options.nr; i++)
strbuf_addf(&buf, " --%s",
strategy_options.items[i].string);
options.strategy_opts = xstrdup(buf.buf);
}
if (options.strategy) {
options.strategy = xstrdup(options.strategy);
switch (options.type) {
case REBASE_APPLY:
die(_("--strategy requires --merge or --interactive"));
case REBASE_MERGE:
/* compatible */
break;
case REBASE_UNSPECIFIED:
options.type = REBASE_MERGE;
break;
default:
BUG("unhandled rebase type (%d)", options.type);
}
}
if (options.type == REBASE_MERGE)
imply_merge(&options, "--merge");
if (options.root && !options.onto_name)
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(_("apply options and merge options "
"cannot be used together"));
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:
options.state_dir = merge_dir();
break;
case REBASE_APPLY:
options.state_dir = apply_dir();
break;
default:
BUG("options.type was just set above; should be unreachable.");
}
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.signoff) {
strvec_push(&options.git_am_opts, "--signoff");
options.flags |= REBASE_FORCE;
}
if (!options.root) {
if (argc < 1) {
struct branch *branch;
branch = branch_get(NULL);
options.upstream_name = branch_get_upstream(branch,
NULL);
if (!options.upstream_name)
error_on_missing_default_upstream();
if (options.fork_point < 0)
options.fork_point = 1;
} else {
options.upstream_name = argv[0];
argc--;
argv++;
if (!strcmp(options.upstream_name, "-"))
options.upstream_name = "@{-1}";
}
options.upstream =
lookup_commit_reference_by_name(options.upstream_name);
if (!options.upstream)
die(_("invalid upstream '%s'"), options.upstream_name);
options.upstream_arg = options.upstream_name;
} else {
if (!options.onto_name) {
if (commit_tree("", 0, the_hash_algo->empty_tree, NULL,
&squash_onto, NULL, NULL) < 0)
die(_("Could not create new root commit"));
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)
usage_with_options(builtin_rebase_usage,
builtin_rebase_options);
options.upstream_arg = "--root";
}
/*
* If the branch to rebase is given, that is the branch we will rebase
* branch_name -- branch/commit being rebased, or
* HEAD (already detached)
* orig_head -- commit object name of tip of the branch before rebasing
* head_name -- refs/heads/<that-branch> or NULL (detached HEAD)
*/
if (argc == 1) {
/* Is it "rebase other branchname" or "rebase other commit"? */
branch_name = argv[0];
options.switch_to = argv[0];
/* Is it a local branch? */
strbuf_reset(&buf);
strbuf_addf(&buf, "refs/heads/%s", branch_name);
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 {
struct commit *commit =
lookup_commit_reference_by_name(branch_name);
if (!commit)
die(_("no such branch/commit '%s'"),
branch_name);
oidcpy(&options.orig_head, &commit->object.oid);
options.head_name = NULL;
}
} else if (argc == 0) {
/* Do not need to switch branches, we are already on it. */
options.head_name =
xstrdup_or_null(resolve_ref_unsafe("HEAD", 0, NULL,
&flags));
if (!options.head_name)
die(_("No such ref: %s"), "HEAD");
if (flags & REF_ISSYMREF) {
if (!skip_prefix(options.head_name,
"refs/heads/", &branch_name))
branch_name = options.head_name;
} else {
FREE_AND_NULL(options.head_name);
branch_name = "HEAD";
}
if (get_oid("HEAD", &options.orig_head))
die(_("Could not resolve HEAD to a revision"));
} else
BUG("unexpected number of arguments left to parse");
/* Make sure the branch to rebase onto is valid. */
if (keep_base) {
strbuf_reset(&buf);
strbuf_addstr(&buf, options.upstream_name);
strbuf_addstr(&buf, "...");
strbuf_addstr(&buf, branch_name);
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) {
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 {
options.onto =
lookup_commit_reference_by_name(options.onto_name);
if (!options.onto)
die(_("Does not point to a valid commit '%s'"),
options.onto_name);
}
if (options.fork_point > 0) {
struct commit *head =
lookup_commit_reference(the_repository,
&options.orig_head);
options.restrict_revision =
get_fork_point(options.upstream_name, head);
}
if (repo_read_index(the_repository) < 0)
die(_("could not read index"));
if (options.autostash)
create_autostash(the_repository,
state_dir_path("autostash", &options));
if (require_clean_work_tree(the_repository, "rebase",
_("Please commit or stash them."), 1, 1)) {
ret = -1;
goto cleanup;
}
/*
* Now we are rebasing commits upstream..orig_head (or with --root,
* everything leading up to orig_head) on top of onto.
*/
/*
* Check if we are already based on onto with linear history,
* 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.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) {
ret = checkout_up_to_date(&options);
if (ret)
goto cleanup;
}
if (!(options.flags & REBASE_NO_QUIET))
; /* be quiet */
else if (!strcmp(branch_name, "HEAD") &&
resolve_ref_unsafe("HEAD", 0, NULL, &flag))
puts(_("HEAD is up to date."));
else
printf(_("Current branch %s is up to date.\n"),
branch_name);
ret = finish_rebase(&options);
goto cleanup;
} else if (!(options.flags & REBASE_NO_QUIET))
; /* be quiet */
else if (!strcmp(branch_name, "HEAD") &&
resolve_ref_unsafe("HEAD", 0, NULL, &flag))
puts(_("HEAD is up to date, rebase forced."));
else
printf(_("Current branch %s is up to date, rebase "
"forced.\n"), branch_name);
}
/* If a hook exists, give it a chance to interrupt*/
if (!ok_to_skip_pre_rebase &&
run_hooks_l("pre-rebase", options.upstream_arg,
argc ? argv[0] : NULL, NULL))
die(_("The pre-rebase hook refused to rebase."));
if (options.flags & REBASE_DIFFSTAT) {
struct diff_options opts;
if (options.flags & REBASE_VERBOSE) {
if (is_null_oid(&merge_base))
printf(_("Changes to %s:\n"),
oid_to_hex(&options.onto->object.oid));
else
printf(_("Changes from %s to %s:\n"),
oid_to_hex(&merge_base),
oid_to_hex(&options.onto->object.oid));
}
/* We want color (if set), but no pager */
diff_setup(&opts);
opts.stat_width = -1; /* use full terminal width */
opts.stat_graph_width = -1; /* respect statGraphWidth config */
opts.output_format |=
DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
opts.detect_rename = DIFF_DETECT_RENAME;
diff_setup_done(&opts);
diff_tree_oid(is_null_oid(&merge_base) ?
the_hash_algo->empty_tree : &merge_base,
&options.onto->object.oid, "", &opts);
diffcore_std(&opts);
diff_flush(&opts);
}
if (is_merge(&options))
goto run_rebase;
/* Detach HEAD and reset the tree */
if (options.flags & REBASE_NO_QUIET)
printf(_("First, rewinding head to replay your work on top of "
"it...\n"));
strbuf_addf(&msg, "%s: checkout %s",
getenv(GIT_REFLOG_ACTION_ENVIRONMENT), options.onto_name);
ropts.oid = &options.onto->object.oid;
ropts.orig_head = &options.orig_head,
ropts.flags = RESET_HEAD_DETACH | RESET_ORIG_HEAD |
RESET_HEAD_RUN_POST_CHECKOUT_HOOK;
ropts.head_msg = msg.buf;
ropts.default_reflog_action = DEFAULT_REFLOG_ACTION;
if (reset_head(the_repository, &ropts))
die(_("Could not detach HEAD"));
strbuf_release(&msg);
/*
* If the onto is a proper descendant of the tip of the branch, then
* we just fast-forwarded.
*/
strbuf_reset(&msg);
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));
memset(&ropts, 0, sizeof(ropts));
ropts.branch = options.head_name;
ropts.flags = RESET_HEAD_REFS_ONLY;
ropts.head_msg = msg.buf;
reset_head(the_repository, &ropts);
strbuf_release(&msg);
ret = finish_rebase(&options);
goto cleanup;
}
strbuf_addf(&revisions, "%s..%s",
options.root ? oid_to_hex(&options.onto->object.oid) :
(options.restrict_revision ?
oid_to_hex(&options.restrict_revision->object.oid) :
oid_to_hex(&options.upstream->object.oid)),
oid_to_hex(&options.orig_head));
options.revisions = revisions.buf;
run_rebase:
ret = run_specific_rebase(&options, action);
cleanup:
strbuf_release(&buf);
strbuf_release(&revisions);
free(options.head_name);
free(options.gpg_sign_opt);
free(options.cmd);
free(options.strategy);
strbuf_release(&options.git_format_patch_opt);
free(squash_onto_name);
return !!ret;
}