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-rw-r--r--branch.c175
1 files changed, 102 insertions, 73 deletions
diff --git a/branch.c b/branch.c
index 9971820a18..4bab55a9a8 100644
--- a/branch.c
+++ b/branch.c
@@ -1,3 +1,4 @@
+#include "git-compat-util.h"
#include "cache.h"
#include "branch.h"
#include "refs.h"
@@ -49,15 +50,14 @@ static int should_setup_rebase(const char *origin)
void install_branch_config(int flag, const char *local, const char *origin, const char *remote)
{
- const char *shortname = remote + 11;
- int remote_is_branch = !prefixcmp(remote, "refs/heads/");
+ const char *shortname = NULL;
struct strbuf key = STRBUF_INIT;
int rebasing = should_setup_rebase(origin);
- if (remote_is_branch
+ if (skip_prefix(remote, "refs/heads/", &shortname)
&& !strcmp(local, shortname)
&& !origin) {
- warning("Not setting branch %s as its own upstream.",
+ warning(_("Not setting branch %s as its own upstream."),
local);
return;
}
@@ -74,25 +74,33 @@ void install_branch_config(int flag, const char *local, const char *origin, cons
strbuf_addf(&key, "branch.%s.rebase", local);
git_config_set(key.buf, "true");
}
+ strbuf_release(&key);
if (flag & BRANCH_CONFIG_VERBOSE) {
- strbuf_reset(&key);
-
- strbuf_addstr(&key, origin ? "remote" : "local");
-
- /* Are we tracking a proper "branch"? */
- if (remote_is_branch) {
- strbuf_addf(&key, " branch %s", shortname);
+ 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);
+ } else {
if (origin)
- strbuf_addf(&key, " from %s", 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);
}
- else
- strbuf_addf(&key, " ref %s", remote);
- printf("Branch %s set up to track %s%s.\n",
- local, key.buf,
- rebasing ? " by rebasing" : "");
}
- strbuf_release(&key);
}
/*
@@ -101,13 +109,10 @@ void install_branch_config(int flag, const char *local, const char *origin, cons
* config.
*/
static int setup_tracking(const char *new_ref, const char *orig_ref,
- enum branch_track track)
+ enum branch_track track, int quiet)
{
struct tracking tracking;
-
- if (strlen(new_ref) > 1024 - 7 - 7 - 1)
- return error("Tracking not set up: name too long: %s",
- new_ref);
+ int config_flags = quiet ? 0 : BRANCH_CONFIG_VERBOSE;
memset(&tracking, 0, sizeof(tracking));
tracking.spec.dst = (char *)orig_ref;
@@ -125,43 +130,27 @@ static int setup_tracking(const char *new_ref, const char *orig_ref,
}
if (tracking.matches > 1)
- return error("Not tracking: ambiguous information for ref %s",
+ return error(_("Not tracking: ambiguous information for ref %s"),
orig_ref);
- install_branch_config(BRANCH_CONFIG_VERBOSE, new_ref, tracking.remote,
+ install_branch_config(config_flags, new_ref, tracking.remote,
tracking.src ? tracking.src : orig_ref);
free(tracking.src);
return 0;
}
-struct branch_desc_cb {
- const char *config_name;
- const char *value;
-};
-
-static int read_branch_desc_cb(const char *var, const char *value, void *cb)
-{
- struct branch_desc_cb *desc = cb;
- if (strcmp(desc->config_name, var))
- return 0;
- free((char *)desc->value);
- return git_config_string(&desc->value, var, value);
-}
-
int read_branch_desc(struct strbuf *buf, const char *branch_name)
{
- struct branch_desc_cb cb;
+ char *v = NULL;
struct strbuf name = STRBUF_INIT;
strbuf_addf(&name, "branch.%s.description", branch_name);
- cb.config_name = name.buf;
- cb.value = NULL;
- if (git_config(read_branch_desc_cb, &cb) < 0) {
+ if (git_config_get_string(name.buf, &v)) {
strbuf_release(&name);
return -1;
}
- if (cb.value)
- strbuf_addstr(buf, cb.value);
+ strbuf_addstr(buf, v);
+ free(v);
strbuf_release(&name);
return 0;
}
@@ -170,30 +159,57 @@ int validate_new_branchname(const char *name, struct strbuf *ref,
int force, int attr_only)
{
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);
if (!ref_exists(ref->buf))
return 0;
else if (!force && !attr_only)
- die("A branch named '%s' already exists.", ref->buf + strlen("refs/heads/"));
+ die(_("A branch named '%s' already exists."), ref->buf + strlen("refs/heads/"));
if (!attr_only) {
const char *head;
unsigned char sha1[20];
- head = resolve_ref_unsafe("HEAD", sha1, 0, NULL);
+ head = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
if (!is_bare_repository() && head && !strcmp(head, ref->buf))
- die("Cannot force update the current branch.");
+ die(_("Cannot force update the current branch."));
}
return 1;
}
+static int check_tracking_branch(struct remote *remote, void *cb_data)
+{
+ char *tracking_branch = cb_data;
+ struct refspec query;
+ memset(&query, 0, sizeof(struct refspec));
+ query.dst = tracking_branch;
+ return !remote_find_tracking(remote, &query);
+}
+
+static int validate_remote_tracking_branch(char *ref)
+{
+ return !for_each_remote(check_tracking_branch, ref);
+}
+
+static const char upstream_not_branch[] =
+N_("Cannot setup 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[] =
+N_("\n"
+"If you are planning on basing your work on an upstream\n"
+"branch that already exists at the remote, you may need to\n"
+"run \"git fetch\" to retrieve it.\n"
+"\n"
+"If you are planning to push out a new local branch that\n"
+"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(const char *head,
const char *name, const char *start_name,
int force, int reflog, int clobber_head,
- enum branch_track track)
+ int quiet, enum branch_track track)
{
- struct ref_lock *lock = NULL;
struct commit *commit;
unsigned char sha1[20];
char *real_ref, msg[PATH_MAX + 20];
@@ -215,43 +231,43 @@ void create_branch(const char *head,
}
real_ref = NULL;
- if (get_sha1(start_name, sha1))
- die("Not a valid object name: '%s'.", start_name);
+ if (get_sha1(start_name, sha1)) {
+ if (explicit_tracking) {
+ if (advice_set_upstream_failure) {
+ error(_(upstream_missing), start_name);
+ advise(_(upstream_advice));
+ exit(1);
+ }
+ die(_(upstream_missing), start_name);
+ }
+ die(_("Not a valid object name: '%s'."), start_name);
+ }
switch (dwim_ref(start_name, strlen(start_name), sha1, &real_ref)) {
case 0:
/* Not branching from any existing branch */
if (explicit_tracking)
- die("Cannot setup tracking information; starting point is not a branch.");
+ die(_(upstream_not_branch), start_name);
break;
case 1:
/* Unique completion -- good, only if it is a real branch */
- if (prefixcmp(real_ref, "refs/heads/") &&
- prefixcmp(real_ref, "refs/remotes/")) {
+ if (!starts_with(real_ref, "refs/heads/") &&
+ validate_remote_tracking_branch(real_ref)) {
if (explicit_tracking)
- die("Cannot setup tracking information; starting point is not a branch.");
+ die(_(upstream_not_branch), start_name);
else
real_ref = NULL;
}
break;
default:
- die("Ambiguous object name: '%s'.", start_name);
+ die(_("Ambiguous object name: '%s'."), start_name);
break;
}
if ((commit = lookup_commit_reference(sha1)) == NULL)
- die("Not a valid branch point: '%s'.", start_name);
+ die(_("Not a valid branch point: '%s'."), start_name);
hashcpy(sha1, commit->object.sha1);
- if (!dont_change_ref) {
- lock = lock_any_ref_for_update(ref.buf, NULL, 0);
- if (!lock)
- die_errno("Failed to lock ref for update");
- }
-
- if (reflog)
- log_all_ref_updates = 1;
-
if (forcing)
snprintf(msg, sizeof msg, "branch: Reset to %s",
start_name);
@@ -259,12 +275,25 @@ void create_branch(const char *head,
snprintf(msg, sizeof msg, "branch: Created from %s",
start_name);
- if (real_ref && track)
- setup_tracking(ref.buf+11, real_ref, track);
+ if (reflog)
+ log_all_ref_updates = 1;
- if (!dont_change_ref)
- if (write_ref_sha1(lock, sha1, msg) < 0)
- die_errno("Failed to write ref");
+ if (!dont_change_ref) {
+ struct ref_transaction *transaction;
+ struct strbuf err = STRBUF_INIT;
+
+ transaction = ref_transaction_begin(&err);
+ if (!transaction ||
+ ref_transaction_update(transaction, ref.buf, sha1,
+ null_sha1, 0, !forcing, msg, &err) ||
+ ref_transaction_commit(transaction, &err))
+ die("%s", err.buf);
+ ref_transaction_free(transaction);
+ strbuf_release(&err);
+ }
+
+ if (real_ref && track)
+ setup_tracking(ref.buf + 11, real_ref, track, quiet);
strbuf_release(&ref);
free(real_ref);