#include "git-compat-util.h"
-#include "cache.h"
+#include "advice.h"
#include "config.h"
#include "branch.h"
+#include "environment.h"
+#include "gettext.h"
+#include "hex.h"
+#include "object-name.h"
#include "refs.h"
#include "refspec.h"
#include "remote.h"
+#include "repository.h"
#include "sequencer.h"
#include "commit.h"
#include "worktree.h"
+#include "submodule-config.h"
+#include "run-command.h"
+#include "strmap.h"
struct tracking {
struct refspec_item spec;
- char *src;
+ struct string_list *srcs;
const char *remote;
int matches;
};
+struct find_tracked_branch_cb {
+ struct tracking *tracking;
+ struct string_list ambiguous_remotes;
+};
+
static int find_tracked_branch(struct remote *remote, void *priv)
{
- struct tracking *tracking = priv;
+ struct find_tracked_branch_cb *ftb = priv;
+ struct tracking *tracking = ftb->tracking;
if (!remote_find_tracking(remote, &tracking->spec)) {
- if (++tracking->matches == 1) {
- tracking->src = tracking->spec.src;
+ switch (++tracking->matches) {
+ case 1:
+ string_list_append(tracking->srcs, tracking->spec.src);
tracking->remote = remote->name;
- } else {
+ break;
+ case 2:
+ /* there are at least two remotes; backfill the first one */
+ string_list_append(&ftb->ambiguous_remotes, tracking->remote);
+ /* fall through */
+ default:
+ string_list_append(&ftb->ambiguous_remotes, remote->name);
free(tracking->spec.src);
- FREE_AND_NULL(tracking->src);
+ string_list_clear(tracking->srcs, 0);
+ break;
}
+ /* remote_find_tracking() searches by src if present */
tracking->spec.src = NULL;
}
-
return 0;
}
return 0;
}
-static const char tracking_advice[] =
-N_("\n"
-"After fixing the error cause you may try to fix up\n"
-"the remote tracking information by invoking\n"
-"\"git branch --set-upstream-to=%s%s%s\".");
-
-int install_branch_config(int flag, const char *local, const char *origin, const char *remote)
+/**
+ * Install upstream tracking configuration for a branch; specifically, add
+ * `branch.<name>.remote` and `branch.<name>.merge` entries.
+ *
+ * `flag` contains integer flags for options; currently only
+ * BRANCH_CONFIG_VERBOSE is checked.
+ *
+ * `local` is the name of the branch whose configuration we're installing.
+ *
+ * `origin` is the name of the remote owning the upstream branches. NULL means
+ * the upstream branches are local to this repo.
+ *
+ * `remotes` is a list of refs that are upstream of local
+ */
+static int install_branch_config_multiple_remotes(int flag, const char *local,
+ const char *origin, struct string_list *remotes)
{
const char *shortname = NULL;
struct strbuf key = STRBUF_INIT;
+ struct string_list_item *item;
int rebasing = should_setup_rebase(origin);
- if (skip_prefix(remote, "refs/heads/", &shortname)
- && !strcmp(local, shortname)
- && !origin) {
- warning(_("Not setting branch %s as its own upstream."),
- local);
- return 0;
- }
+ if (!remotes->nr)
+ BUG("must provide at least one remote for branch config");
+ if (rebasing && remotes->nr > 1)
+ die(_("cannot inherit upstream tracking configuration of "
+ "multiple refs when rebasing is requested"));
+
+ /*
+ * If the new branch is trying to track itself, something has gone
+ * wrong. Warn the user and don't proceed any further.
+ */
+ if (!origin)
+ for_each_string_list_item(item, remotes)
+ if (skip_prefix(item->string, "refs/heads/", &shortname)
+ && !strcmp(local, shortname)) {
+ warning(_("not setting branch '%s' as its own upstream"),
+ local);
+ return 0;
+ }
strbuf_addf(&key, "branch.%s.remote", local);
if (git_config_set_gently(key.buf, origin ? origin : ".") < 0)
strbuf_reset(&key);
strbuf_addf(&key, "branch.%s.merge", local);
- if (git_config_set_gently(key.buf, remote) < 0)
+ /*
+ * We want to overwrite any existing config with all the branches in
+ * "remotes". Override any existing config, then write our branches. If
+ * more than one is provided, use CONFIG_REGEX_NONE to preserve what
+ * we've written so far.
+ */
+ if (git_config_set_gently(key.buf, NULL) < 0)
goto out_err;
+ for_each_string_list_item(item, remotes)
+ if (git_config_set_multivar_gently(key.buf, item->string, CONFIG_REGEX_NONE, 0) < 0)
+ goto out_err;
if (rebasing) {
strbuf_reset(&key);
strbuf_release(&key);
if (flag & BRANCH_CONFIG_VERBOSE) {
- if (shortname) {
- if (origin)
- printf_ln(rebasing ?
- _("Branch '%s' set up to track remote branch '%s' from '%s' by rebasing.") :
- _("Branch '%s' set up to track remote branch '%s' from '%s'."),
- local, shortname, origin);
- else
- printf_ln(rebasing ?
- _("Branch '%s' set up to track local branch '%s' by rebasing.") :
- _("Branch '%s' set up to track local branch '%s'."),
- local, shortname);
+ struct strbuf tmp_ref_name = STRBUF_INIT;
+ struct string_list friendly_ref_names = STRING_LIST_INIT_DUP;
+
+ for_each_string_list_item(item, remotes) {
+ shortname = item->string;
+ skip_prefix(shortname, "refs/heads/", &shortname);
+ if (origin) {
+ strbuf_addf(&tmp_ref_name, "%s/%s",
+ origin, shortname);
+ string_list_append_nodup(
+ &friendly_ref_names,
+ strbuf_detach(&tmp_ref_name, NULL));
+ } else {
+ string_list_append(
+ &friendly_ref_names, shortname);
+ }
+ }
+
+ if (remotes->nr == 1) {
+ /*
+ * Rebasing is only allowed in the case of a single
+ * upstream branch.
+ */
+ printf_ln(rebasing ?
+ _("branch '%s' set up to track '%s' by rebasing.") :
+ _("branch '%s' set up to track '%s'."),
+ local, friendly_ref_names.items[0].string);
} else {
- if (origin)
- printf_ln(rebasing ?
- _("Branch '%s' set up to track remote ref '%s' by rebasing.") :
- _("Branch '%s' set up to track remote ref '%s'."),
- local, remote);
- else
- printf_ln(rebasing ?
- _("Branch '%s' set up to track local ref '%s' by rebasing.") :
- _("Branch '%s' set up to track local ref '%s'."),
- local, remote);
+ printf_ln(_("branch '%s' set up to track:"), local);
+ for_each_string_list_item(item, &friendly_ref_names)
+ printf_ln(" %s", item->string);
}
+
+ string_list_clear(&friendly_ref_names, 0);
}
return 0;
out_err:
strbuf_release(&key);
- error(_("Unable to write upstream branch configuration"));
-
- advise(_(tracking_advice),
- origin ? origin : "",
- origin ? "/" : "",
- shortname ? shortname : remote);
+ error(_("unable to write upstream branch configuration"));
+
+ advise(_("\nAfter fixing the error cause you may try to fix up\n"
+ "the remote tracking information by invoking:"));
+ if (remotes->nr == 1)
+ advise(" git branch --set-upstream-to=%s%s%s",
+ origin ? origin : "",
+ origin ? "/" : "",
+ remotes->items[0].string);
+ else {
+ advise(" git config --add branch.\"%s\".remote %s",
+ local, origin ? origin : ".");
+ for_each_string_list_item(item, remotes)
+ advise(" git config --add branch.\"%s\".merge %s",
+ local, item->string);
+ }
return -1;
}
+int install_branch_config(int flag, const char *local, const char *origin,
+ const char *remote)
+{
+ int ret;
+ struct string_list remotes = STRING_LIST_INIT_DUP;
+
+ string_list_append(&remotes, remote);
+ ret = install_branch_config_multiple_remotes(flag, local, origin, &remotes);
+ string_list_clear(&remotes, 0);
+ return ret;
+}
+
+static int inherit_tracking(struct tracking *tracking, const char *orig_ref)
+{
+ const char *bare_ref;
+ struct branch *branch;
+ int i;
+
+ bare_ref = orig_ref;
+ skip_prefix(orig_ref, "refs/heads/", &bare_ref);
+
+ branch = branch_get(bare_ref);
+ if (!branch->remote_name) {
+ warning(_("asked to inherit tracking from '%s', but no remote is set"),
+ bare_ref);
+ return -1;
+ }
+
+ if (branch->merge_nr < 1 || !branch->merge_name || !branch->merge_name[0]) {
+ warning(_("asked to inherit tracking from '%s', but no merge configuration is set"),
+ bare_ref);
+ return -1;
+ }
+
+ tracking->remote = xstrdup(branch->remote_name);
+ for (i = 0; i < branch->merge_nr; i++)
+ string_list_append(tracking->srcs, branch->merge_name[i]);
+ return 0;
+}
+
/*
- * This is called when new_ref is branched off of orig_ref, and tries
- * to infer the settings for branch.<new_ref>.{remote,merge} from the
- * config.
+ * Used internally to set the branch.<new_ref>.{remote,merge} config
+ * settings so that branch 'new_ref' tracks 'orig_ref'. Unlike
+ * dwim_and_setup_tracking(), this does not do DWIM, i.e. "origin/main"
+ * will not be expanded to "refs/remotes/origin/main", so it is not safe
+ * for 'orig_ref' to be raw user input.
*/
static void setup_tracking(const char *new_ref, const char *orig_ref,
enum branch_track track, int quiet)
{
struct tracking tracking;
+ struct string_list tracking_srcs = STRING_LIST_INIT_DUP;
int config_flags = quiet ? 0 : BRANCH_CONFIG_VERBOSE;
+ struct find_tracked_branch_cb ftb_cb = {
+ .tracking = &tracking,
+ .ambiguous_remotes = STRING_LIST_INIT_DUP,
+ };
+
+ if (!track)
+ BUG("asked to set up tracking, but tracking is disallowed");
memset(&tracking, 0, sizeof(tracking));
tracking.spec.dst = (char *)orig_ref;
- if (for_each_remote(find_tracked_branch, &tracking))
- return;
+ tracking.srcs = &tracking_srcs;
+ if (track != BRANCH_TRACK_INHERIT)
+ for_each_remote(find_tracked_branch, &ftb_cb);
+ else if (inherit_tracking(&tracking, orig_ref))
+ goto cleanup;
if (!tracking.matches)
switch (track) {
+ /* If ref is not remote, still use local */
case BRANCH_TRACK_ALWAYS:
case BRANCH_TRACK_EXPLICIT:
case BRANCH_TRACK_OVERRIDE:
+ /* Remote matches not evaluated */
+ case BRANCH_TRACK_INHERIT:
break;
+ /* Otherwise, if no remote don't track */
default:
- return;
+ goto cleanup;
}
- if (tracking.matches > 1)
- die(_("Not tracking: ambiguous information for ref %s"),
- orig_ref);
+ /*
+ * This check does not apply to BRANCH_TRACK_INHERIT;
+ * that supports multiple entries in tracking_srcs but
+ * leaves tracking.matches at 0.
+ */
+ if (tracking.matches > 1) {
+ int status = die_message(_("not tracking: ambiguous information for ref '%s'"),
+ orig_ref);
+ if (advice_enabled(ADVICE_AMBIGUOUS_FETCH_REFSPEC)) {
+ struct strbuf remotes_advice = STRBUF_INIT;
+ struct string_list_item *item;
+
+ for_each_string_list_item(item, &ftb_cb.ambiguous_remotes)
+ /*
+ * TRANSLATORS: This is a line listing a remote with duplicate
+ * refspecs in the advice message below. For RTL languages you'll
+ * probably want to swap the "%s" and leading " " space around.
+ */
+ strbuf_addf(&remotes_advice, _(" %s\n"), item->string);
+
+ /*
+ * TRANSLATORS: The second argument is a \n-delimited list of
+ * duplicate refspecs, composed above.
+ */
+ advise(_("There are multiple remotes whose fetch refspecs map to the remote\n"
+ "tracking ref '%s':\n"
+ "%s"
+ "\n"
+ "This is typically a configuration error.\n"
+ "\n"
+ "To support setting up tracking branches, ensure that\n"
+ "different remotes' fetch refspecs map into different\n"
+ "tracking namespaces."), orig_ref,
+ remotes_advice.buf);
+ strbuf_release(&remotes_advice);
+ }
+ exit(status);
+ }
+
+ if (track == BRANCH_TRACK_SIMPLE) {
+ /*
+ * Only track if remote branch name matches.
+ * Reaching into items[0].string is safe because
+ * we know there is at least one and not more than
+ * one entry (because only BRANCH_TRACK_INHERIT can
+ * produce more than one entry).
+ */
+ const char *tracked_branch;
+ if (!skip_prefix(tracking.srcs->items[0].string,
+ "refs/heads/", &tracked_branch) ||
+ strcmp(tracked_branch, new_ref))
+ return;
+ }
- if (install_branch_config(config_flags, new_ref, tracking.remote,
- tracking.src ? tracking.src : orig_ref) < 0)
- exit(-1);
+ if (tracking.srcs->nr < 1)
+ string_list_append(tracking.srcs, orig_ref);
+ if (install_branch_config_multiple_remotes(config_flags, new_ref,
+ tracking.remote, tracking.srcs) < 0)
+ exit(1);
- free(tracking.src);
+cleanup:
+ string_list_clear(&tracking_srcs, 0);
+ string_list_clear(&ftb_cb.ambiguous_remotes, 0);
}
int read_branch_desc(struct strbuf *buf, const char *branch_name)
int validate_branchname(const char *name, struct strbuf *ref)
{
if (strbuf_check_branch_ref(ref, name))
- die(_("'%s' is not a valid branch name."), name);
+ die(_("'%s' is not a valid branch name"), name);
return ref_exists(ref->buf);
}
+static int initialized_checked_out_branches;
+static struct strmap current_checked_out_branches = STRMAP_INIT;
+
+static void prepare_checked_out_branches(void)
+{
+ int i = 0;
+ struct worktree **worktrees;
+
+ if (initialized_checked_out_branches)
+ return;
+ initialized_checked_out_branches = 1;
+
+ worktrees = get_worktrees();
+
+ while (worktrees[i]) {
+ char *old;
+ struct wt_status_state state = { 0 };
+ struct worktree *wt = worktrees[i++];
+ struct string_list update_refs = STRING_LIST_INIT_DUP;
+
+ if (wt->is_bare)
+ continue;
+
+ if (wt->head_ref) {
+ old = strmap_put(¤t_checked_out_branches,
+ wt->head_ref,
+ xstrdup(wt->path));
+ free(old);
+ }
+
+ if (wt_status_check_rebase(wt, &state) &&
+ (state.rebase_in_progress || state.rebase_interactive_in_progress) &&
+ state.branch) {
+ struct strbuf ref = STRBUF_INIT;
+ strbuf_addf(&ref, "refs/heads/%s", state.branch);
+ old = strmap_put(¤t_checked_out_branches,
+ ref.buf,
+ xstrdup(wt->path));
+ free(old);
+ strbuf_release(&ref);
+ }
+ wt_status_state_free_buffers(&state);
+
+ if (wt_status_check_bisect(wt, &state) &&
+ state.branch) {
+ struct strbuf ref = STRBUF_INIT;
+ strbuf_addf(&ref, "refs/heads/%s", state.branch);
+ old = strmap_put(¤t_checked_out_branches,
+ ref.buf,
+ xstrdup(wt->path));
+ free(old);
+ strbuf_release(&ref);
+ }
+ wt_status_state_free_buffers(&state);
+
+ if (!sequencer_get_update_refs_state(get_worktree_git_dir(wt),
+ &update_refs)) {
+ struct string_list_item *item;
+ for_each_string_list_item(item, &update_refs) {
+ old = strmap_put(¤t_checked_out_branches,
+ item->string,
+ xstrdup(wt->path));
+ free(old);
+ }
+ string_list_clear(&update_refs, 1);
+ }
+ }
+
+ free_worktrees(worktrees);
+}
+
+const char *branch_checked_out(const char *refname)
+{
+ prepare_checked_out_branches();
+ return strmap_get(¤t_checked_out_branches, refname);
+}
+
/*
* Check if a branch 'name' can be created as a new branch; die otherwise.
* 'force' can be used when it is OK for the named branch already exists.
*/
int validate_new_branchname(const char *name, struct strbuf *ref, int force)
{
- const char *head;
-
+ const char *path;
if (!validate_branchname(name, ref))
return 0;
if (!force)
- die(_("A branch named '%s' already exists."),
+ die(_("a branch named '%s' already exists"),
ref->buf + strlen("refs/heads/"));
- head = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
- if (!is_bare_repository() && head && !strcmp(head, ref->buf))
- die(_("Cannot force update the current branch."));
+ if ((path = branch_checked_out(ref->buf)))
+ die(_("cannot force update the branch '%s' "
+ "checked out at '%s'"),
+ ref->buf + strlen("refs/heads/"), path);
return 1;
}
}
static const char upstream_not_branch[] =
-N_("Cannot setup tracking information; starting point '%s' is not a branch.");
+N_("cannot set up tracking information; starting point '%s' is not a branch");
static const char upstream_missing[] =
N_("the requested upstream branch '%s' does not exist");
static const char upstream_advice[] =
"will track its remote counterpart, you may want to use\n"
"\"git push -u\" to set the upstream config as you push.");
-void create_branch(struct repository *r,
- const char *name, const char *start_name,
- int force, int clobber_head_ok, int reflog,
- int quiet, enum branch_track track)
+/**
+ * DWIMs a user-provided ref to determine the starting point for a
+ * branch and validates it, where:
+ *
+ * - r is the repository to validate the branch for
+ *
+ * - start_name is the ref that we would like to test. This is
+ * expanded with DWIM and assigned to out_real_ref.
+ *
+ * - track is the tracking mode of the new branch. If tracking is
+ * explicitly requested, start_name must be a branch (because
+ * otherwise start_name cannot be tracked)
+ *
+ * - out_oid is an out parameter containing the object_id of start_name
+ *
+ * - out_real_ref is an out parameter containing the full, 'real' form
+ * of start_name e.g. refs/heads/main instead of main
+ *
+ */
+static void dwim_branch_start(struct repository *r, const char *start_name,
+ enum branch_track track, char **out_real_ref,
+ struct object_id *out_oid)
{
struct commit *commit;
struct object_id oid;
char *real_ref;
- struct strbuf ref = STRBUF_INIT;
- int forcing = 0;
- int dont_change_ref = 0;
int explicit_tracking = 0;
if (track == BRANCH_TRACK_EXPLICIT || track == BRANCH_TRACK_OVERRIDE)
explicit_tracking = 1;
- if ((track == BRANCH_TRACK_OVERRIDE || clobber_head_ok)
- ? validate_branchname(name, &ref)
- : validate_new_branchname(name, &ref, force)) {
- if (!force)
- dont_change_ref = 1;
- else
- forcing = 1;
- }
-
real_ref = NULL;
- if (get_oid_mb(start_name, &oid)) {
+ if (repo_get_oid_mb(r, start_name, &oid)) {
if (explicit_tracking) {
- if (advice_set_upstream_failure) {
- error(_(upstream_missing), start_name);
- advise(_(upstream_advice));
- exit(1);
- }
- die(_(upstream_missing), start_name);
+ int code = die_message(_(upstream_missing), start_name);
+ advise_if_enabled(ADVICE_SET_UPSTREAM_FAILURE,
+ _(upstream_advice));
+ exit(code);
}
- die(_("Not a valid object name: '%s'."), start_name);
+ die(_("not a valid object name: '%s'"), start_name);
}
- switch (dwim_ref(start_name, strlen(start_name), &oid, &real_ref, 0)) {
+ switch (repo_dwim_ref(r, start_name, strlen(start_name), &oid,
+ &real_ref, 0)) {
case 0:
/* Not branching from any existing branch */
if (explicit_tracking)
}
break;
default:
- die(_("Ambiguous object name: '%s'."), start_name);
+ die(_("ambiguous object name: '%s'"), start_name);
break;
}
- if ((commit = lookup_commit_reference(r, &oid)) == NULL)
- die(_("Not a valid branch point: '%s'."), start_name);
- oidcpy(&oid, &commit->object.oid);
+ if (!(commit = lookup_commit_reference(r, &oid)))
+ die(_("not a valid branch point: '%s'"), start_name);
+ if (out_real_ref) {
+ *out_real_ref = real_ref;
+ real_ref = NULL;
+ }
+ if (out_oid)
+ oidcpy(out_oid, &commit->object.oid);
+
+ FREE_AND_NULL(real_ref);
+}
+
+void create_branch(struct repository *r,
+ const char *name, const char *start_name,
+ int force, int clobber_head_ok, int reflog,
+ int quiet, enum branch_track track, int dry_run)
+{
+ struct object_id oid;
+ char *real_ref;
+ struct strbuf ref = STRBUF_INIT;
+ int forcing = 0;
+ struct ref_transaction *transaction;
+ struct strbuf err = STRBUF_INIT;
+ char *msg;
+
+ if (track == BRANCH_TRACK_OVERRIDE)
+ BUG("'track' cannot be BRANCH_TRACK_OVERRIDE. Did you mean to call dwim_and_setup_tracking()?");
+ if (clobber_head_ok && !force)
+ BUG("'clobber_head_ok' can only be used with 'force'");
+
+ if (clobber_head_ok ?
+ validate_branchname(name, &ref) :
+ validate_new_branchname(name, &ref, force)) {
+ forcing = 1;
+ }
+
+ dwim_branch_start(r, start_name, track, &real_ref, &oid);
+ if (dry_run)
+ goto cleanup;
if (reflog)
log_all_ref_updates = LOG_REFS_NORMAL;
- if (!dont_change_ref) {
- struct ref_transaction *transaction;
- struct strbuf err = STRBUF_INIT;
- char *msg;
-
- if (forcing)
- msg = xstrfmt("branch: Reset to %s", start_name);
- else
- msg = xstrfmt("branch: Created from %s", start_name);
-
- transaction = ref_transaction_begin(&err);
- if (!transaction ||
- ref_transaction_update(transaction, ref.buf,
- &oid, forcing ? NULL : null_oid(),
- 0, msg, &err) ||
- ref_transaction_commit(transaction, &err))
- die("%s", err.buf);
- ref_transaction_free(transaction);
- strbuf_release(&err);
- free(msg);
- }
+ if (forcing)
+ msg = xstrfmt("branch: Reset to %s", start_name);
+ else
+ msg = xstrfmt("branch: Created from %s", start_name);
+ transaction = ref_transaction_begin(&err);
+ if (!transaction ||
+ ref_transaction_update(transaction, ref.buf,
+ &oid, forcing ? NULL : null_oid(),
+ 0, msg, &err) ||
+ ref_transaction_commit(transaction, &err))
+ die("%s", err.buf);
+ ref_transaction_free(transaction);
+ strbuf_release(&err);
+ free(msg);
if (real_ref && track)
setup_tracking(ref.buf + 11, real_ref, track, quiet);
+cleanup:
strbuf_release(&ref);
free(real_ref);
}
+void dwim_and_setup_tracking(struct repository *r, const char *new_ref,
+ const char *orig_ref, enum branch_track track,
+ int quiet)
+{
+ char *real_orig_ref;
+ dwim_branch_start(r, orig_ref, track, &real_orig_ref, NULL);
+ setup_tracking(new_ref, real_orig_ref, track, quiet);
+}
+
+/**
+ * Creates a branch in a submodule by calling
+ * create_branches_recursively() in a child process. The child process
+ * is necessary because install_branch_config_multiple_remotes() (which
+ * is called by setup_tracking()) does not support writing configs to
+ * submodules.
+ */
+static int submodule_create_branch(struct repository *r,
+ const struct submodule *submodule,
+ const char *name, const char *start_oid,
+ const char *tracking_name, int force,
+ int reflog, int quiet,
+ enum branch_track track, int dry_run)
+{
+ int ret = 0;
+ struct child_process child = CHILD_PROCESS_INIT;
+ struct strbuf child_err = STRBUF_INIT;
+ struct strbuf out_buf = STRBUF_INIT;
+ char *out_prefix = xstrfmt("submodule '%s': ", submodule->name);
+ child.git_cmd = 1;
+ child.err = -1;
+ child.stdout_to_stderr = 1;
+
+ prepare_other_repo_env(&child.env, r->gitdir);
+ /*
+ * submodule_create_branch() is indirectly invoked by "git
+ * branch", but we cannot invoke "git branch" in the child
+ * process. "git branch" accepts a branch name and start point,
+ * where the start point is assumed to provide both the OID
+ * (start_oid) and the branch to use for tracking
+ * (tracking_name). But when recursing through submodules,
+ * start_oid and tracking name need to be specified separately
+ * (see create_branches_recursively()).
+ */
+ strvec_pushl(&child.args, "submodule--helper", "create-branch", NULL);
+ if (dry_run)
+ strvec_push(&child.args, "--dry-run");
+ if (force)
+ strvec_push(&child.args, "--force");
+ if (quiet)
+ strvec_push(&child.args, "--quiet");
+ if (reflog)
+ strvec_push(&child.args, "--create-reflog");
+
+ switch (track) {
+ case BRANCH_TRACK_NEVER:
+ strvec_push(&child.args, "--no-track");
+ break;
+ case BRANCH_TRACK_ALWAYS:
+ case BRANCH_TRACK_EXPLICIT:
+ strvec_push(&child.args, "--track=direct");
+ break;
+ case BRANCH_TRACK_OVERRIDE:
+ BUG("BRANCH_TRACK_OVERRIDE cannot be used when creating a branch.");
+ break;
+ case BRANCH_TRACK_INHERIT:
+ strvec_push(&child.args, "--track=inherit");
+ break;
+ case BRANCH_TRACK_UNSPECIFIED:
+ /* Default for "git checkout". Do not pass --track. */
+ case BRANCH_TRACK_REMOTE:
+ /* Default for "git branch". Do not pass --track. */
+ case BRANCH_TRACK_SIMPLE:
+ /* Config-driven only. Do not pass --track. */
+ break;
+ }
+
+ strvec_pushl(&child.args, name, start_oid, tracking_name, NULL);
+
+ if ((ret = start_command(&child)))
+ return ret;
+ ret = finish_command(&child);
+ strbuf_read(&child_err, child.err, 0);
+ strbuf_add_lines(&out_buf, out_prefix, child_err.buf, child_err.len);
+
+ if (ret)
+ fprintf(stderr, "%s", out_buf.buf);
+ else
+ printf("%s", out_buf.buf);
+
+ strbuf_release(&child_err);
+ strbuf_release(&out_buf);
+ return ret;
+}
+
+void create_branches_recursively(struct repository *r, const char *name,
+ const char *start_commitish,
+ const char *tracking_name, int force,
+ int reflog, int quiet, enum branch_track track,
+ int dry_run)
+{
+ int i = 0;
+ char *branch_point = NULL;
+ struct object_id super_oid;
+ struct submodule_entry_list submodule_entry_list;
+
+ /* Perform dwim on start_commitish to get super_oid and branch_point. */
+ dwim_branch_start(r, start_commitish, BRANCH_TRACK_NEVER,
+ &branch_point, &super_oid);
+
+ /*
+ * If we were not given an explicit name to track, then assume we are at
+ * the top level and, just like the non-recursive case, the tracking
+ * name is the branch point.
+ */
+ if (!tracking_name)
+ tracking_name = branch_point;
+
+ submodules_of_tree(r, &super_oid, &submodule_entry_list);
+ /*
+ * Before creating any branches, first check that the branch can
+ * be created in every submodule.
+ */
+ for (i = 0; i < submodule_entry_list.entry_nr; i++) {
+ if (!submodule_entry_list.entries[i].repo) {
+ int code = die_message(
+ _("submodule '%s': unable to find submodule"),
+ submodule_entry_list.entries[i].submodule->name);
+ if (advice_enabled(ADVICE_SUBMODULES_NOT_UPDATED))
+ advise(_("You may try updating the submodules using 'git checkout --no-recurse-submodules %s && git submodule update --init'"),
+ start_commitish);
+ exit(code);
+ }
+
+ if (submodule_create_branch(
+ submodule_entry_list.entries[i].repo,
+ submodule_entry_list.entries[i].submodule, name,
+ oid_to_hex(&submodule_entry_list.entries[i]
+ .name_entry->oid),
+ tracking_name, force, reflog, quiet, track, 1))
+ die(_("submodule '%s': cannot create branch '%s'"),
+ submodule_entry_list.entries[i].submodule->name,
+ name);
+ }
+
+ create_branch(r, name, start_commitish, force, 0, reflog, quiet,
+ BRANCH_TRACK_NEVER, dry_run);
+ if (dry_run)
+ return;
+ /*
+ * NEEDSWORK If tracking was set up in the superproject but not the
+ * submodule, users might expect "git branch --recurse-submodules" to
+ * fail or give a warning, but this is not yet implemented because it is
+ * tedious to determine whether or not tracking was set up in the
+ * superproject.
+ */
+ if (track)
+ setup_tracking(name, tracking_name, track, quiet);
+
+ for (i = 0; i < submodule_entry_list.entry_nr; i++) {
+ if (submodule_create_branch(
+ submodule_entry_list.entries[i].repo,
+ submodule_entry_list.entries[i].submodule, name,
+ oid_to_hex(&submodule_entry_list.entries[i]
+ .name_entry->oid),
+ tracking_name, force, reflog, quiet, track, 0))
+ die(_("submodule '%s': cannot create branch '%s'"),
+ submodule_entry_list.entries[i].submodule->name,
+ name);
+ repo_clear(submodule_entry_list.entries[i].repo);
+ }
+}
+
void remove_merge_branch_state(struct repository *r)
{
unlink(git_path_merge_head(r));
void die_if_checked_out(const char *branch, int ignore_current_worktree)
{
- const struct worktree *wt;
-
- wt = find_shared_symref("HEAD", branch);
- if (!wt || (ignore_current_worktree && wt->is_current))
- return;
- skip_prefix(branch, "refs/heads/", &branch);
- die(_("'%s' is already checked out at '%s'"),
- branch, wt->path);
-}
-
-int replace_each_worktree_head_symref(const char *oldref, const char *newref,
- const char *logmsg)
-{
- int ret = 0;
struct worktree **worktrees = get_worktrees();
- int i;
-
- for (i = 0; worktrees[i]; i++) {
- struct ref_store *refs;
- if (worktrees[i]->is_detached)
- continue;
- if (!worktrees[i]->head_ref)
- continue;
- if (strcmp(oldref, worktrees[i]->head_ref))
+ for (int i = 0; worktrees[i]; i++) {
+ if (worktrees[i]->is_current && ignore_current_worktree)
continue;
- refs = get_worktree_ref_store(worktrees[i]);
- if (refs_create_symref(refs, "HEAD", newref, logmsg))
- ret = error(_("HEAD of working tree %s is not updated"),
- worktrees[i]->path);
+ if (is_shared_symref(worktrees[i], "HEAD", branch)) {
+ skip_prefix(branch, "refs/heads/", &branch);
+ die(_("'%s' is already checked out at '%s'"),
+ branch, worktrees[i]->path);
+ }
}
free_worktrees(worktrees);
- return ret;
}
projects / thirdparty / git.git / blobdiff