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-rw-r--r--remote.c123
1 files changed, 93 insertions, 30 deletions
diff --git a/remote.c b/remote.c
index b220f0dfc6..c10d87c246 100644
--- a/remote.c
+++ b/remote.c
@@ -22,6 +22,7 @@ static struct refspec s_tag_refspec = {
"refs/tags/*"
};
+/* See TAG_REFSPEC for the string version */
const struct refspec *tag_refspec = &s_tag_refspec;
struct counted_string {
@@ -103,6 +104,17 @@ static void add_fetch_refspec(struct remote *remote, const char *ref)
remote->fetch_refspec[remote->fetch_refspec_nr++] = ref;
}
+void add_prune_tags_to_fetch_refspec(struct remote *remote)
+{
+ int nr = remote->fetch_refspec_nr;
+ int bufsize = nr + 1;
+ int size = sizeof(struct refspec);
+
+ remote->fetch = xrealloc(remote->fetch, size * bufsize);
+ memcpy(&remote->fetch[nr], tag_refspec, size);
+ add_fetch_refspec(remote, xstrdup(TAG_REFSPEC));
+}
+
static void add_url(struct remote *remote, const char *url)
{
ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc);
@@ -173,6 +185,7 @@ static struct remote *make_remote(const char *name, int len)
ret = xcalloc(1, sizeof(struct remote));
ret->prune = -1; /* unspecified */
+ ret->prune_tags = -1; /* unspecified */
ALLOC_GROW(remotes, remotes_nr + 1, remotes_alloc);
remotes[remotes_nr++] = ret;
ret->name = xstrndup(name, len);
@@ -391,6 +404,8 @@ static int handle_config(const char *key, const char *value, void *cb)
remote->skip_default_update = git_config_bool(key, value);
else if (!strcmp(subkey, "prune"))
remote->prune = git_config_bool(key, value);
+ else if (!strcmp(subkey, "prunetags"))
+ remote->prune_tags = git_config_bool(key, value);
else if (!strcmp(subkey, "url")) {
const char *v;
if (git_config_string(&v, key, value))
@@ -675,6 +690,36 @@ const char *pushremote_for_branch(struct branch *branch, int *explicit)
return remote_for_branch(branch, explicit);
}
+const char *remote_ref_for_branch(struct branch *branch, int for_push,
+ int *explicit)
+{
+ if (branch) {
+ if (!for_push) {
+ if (branch->merge_nr) {
+ if (explicit)
+ *explicit = 1;
+ return branch->merge_name[0];
+ }
+ } else {
+ const char *dst, *remote_name =
+ pushremote_for_branch(branch, NULL);
+ struct remote *remote = remote_get(remote_name);
+
+ if (remote && remote->push_refspec_nr &&
+ (dst = apply_refspecs(remote->push,
+ remote->push_refspec_nr,
+ branch->refname))) {
+ if (explicit)
+ *explicit = 1;
+ return dst;
+ }
+ }
+ }
+ if (explicit)
+ *explicit = 0;
+ return "";
+}
+
static struct remote *remote_get_1(const char *name,
const char *(*get_default)(struct branch *, int *))
{
@@ -1629,7 +1674,7 @@ static void set_merge(struct branch *ret)
strcmp(ret->remote_name, "."))
continue;
if (dwim_ref(ret->merge_name[i], strlen(ret->merge_name[i]),
- oid.hash, &ref) == 1)
+ &oid, &ref) == 1)
ret->merge[i]->dst = ref;
else
ret->merge[i]->dst = xstrdup(ret->merge_name[i]);
@@ -1940,33 +1985,33 @@ static void unmark_and_free(struct commit_list *list, unsigned int mark)
int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid)
{
struct object *o;
- struct commit *old, *new;
+ struct commit *old_commit, *new_commit;
struct commit_list *list, *used;
int found = 0;
/*
- * Both new and old must be commit-ish and new is descendant of
- * old. Otherwise we require --force.
+ * Both new_commit and old_commit must be commit-ish and new_commit is descendant of
+ * old_commit. Otherwise we require --force.
*/
o = deref_tag(parse_object(old_oid), NULL, 0);
if (!o || o->type != OBJ_COMMIT)
return 0;
- old = (struct commit *) o;
+ old_commit = (struct commit *) o;
o = deref_tag(parse_object(new_oid), NULL, 0);
if (!o || o->type != OBJ_COMMIT)
return 0;
- new = (struct commit *) o;
+ new_commit = (struct commit *) o;
- if (parse_commit(new) < 0)
+ if (parse_commit(new_commit) < 0)
return 0;
used = list = NULL;
- commit_list_insert(new, &list);
+ commit_list_insert(new_commit, &list);
while (list) {
- new = pop_most_recent_commit(&list, TMP_MARK);
- commit_list_insert(new, &used);
- if (new == old) {
+ new_commit = pop_most_recent_commit(&list, TMP_MARK);
+ commit_list_insert(new_commit, &used);
+ if (new_commit == old_commit) {
found = 1;
break;
}
@@ -1977,16 +2022,23 @@ int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid)
}
/*
- * Compare a branch with its upstream, and save their differences (number
- * of commits) in *num_ours and *num_theirs. The name of the upstream branch
- * (or NULL if no upstream is defined) is returned via *upstream_name, if it
- * is not itself NULL.
+ * Lookup the upstream branch for the given branch and if present, optionally
+ * compute the commit ahead/behind values for the pair.
+ *
+ * If abf is AHEAD_BEHIND_FULL, compute the full ahead/behind and return the
+ * counts in *num_ours and *num_theirs. If abf is AHEAD_BEHIND_QUICK, skip
+ * the (potentially expensive) a/b computation (*num_ours and *num_theirs are
+ * set to zero).
+ *
+ * The name of the upstream branch (or NULL if no upstream is defined) is
+ * returned via *upstream_name, if it is not itself NULL.
*
* Returns -1 if num_ours and num_theirs could not be filled in (e.g., no
- * upstream defined, or ref does not exist), 0 otherwise.
+ * upstream defined, or ref does not exist). Returns 0 if the commits are
+ * identical. Returns 1 if commits are different.
*/
int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
- const char **upstream_name)
+ const char **upstream_name, enum ahead_behind_flags abf)
{
struct object_id oid;
struct commit *ours, *theirs;
@@ -2002,23 +2054,27 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
return -1;
/* Cannot stat if what we used to build on no longer exists */
- if (read_ref(base, oid.hash))
+ if (read_ref(base, &oid))
return -1;
theirs = lookup_commit_reference(&oid);
if (!theirs)
return -1;
- if (read_ref(branch->refname, oid.hash))
+ if (read_ref(branch->refname, &oid))
return -1;
ours = lookup_commit_reference(&oid);
if (!ours)
return -1;
+ *num_theirs = *num_ours = 0;
+
/* are we the same? */
- if (theirs == ours) {
- *num_theirs = *num_ours = 0;
+ if (theirs == ours)
return 0;
- }
+ if (abf == AHEAD_BEHIND_QUICK)
+ return 1;
+ if (abf != AHEAD_BEHIND_FULL)
+ BUG("stat_tracking_info: invalid abf '%d'", abf);
/* Run "rev-list --left-right ours...theirs" internally... */
argv_array_push(&argv, ""); /* ignored */
@@ -2034,8 +2090,6 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
die("revision walk setup failed");
/* ... and count the commits on each side. */
- *num_ours = 0;
- *num_theirs = 0;
while (1) {
struct commit *c = get_revision(&revs);
if (!c)
@@ -2051,20 +2105,22 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
clear_commit_marks(theirs, ALL_REV_FLAGS);
argv_array_clear(&argv);
- return 0;
+ return 1;
}
/*
* Return true when there is anything to report, otherwise false.
*/
-int format_tracking_info(struct branch *branch, struct strbuf *sb)
+int format_tracking_info(struct branch *branch, struct strbuf *sb,
+ enum ahead_behind_flags abf)
{
- int ours, theirs;
+ int ours, theirs, sti;
const char *full_base;
char *base;
int upstream_is_gone = 0;
- if (stat_tracking_info(branch, &ours, &theirs, &full_base) < 0) {
+ sti = stat_tracking_info(branch, &ours, &theirs, &full_base, abf);
+ if (sti < 0) {
if (!full_base)
return 0;
upstream_is_gone = 1;
@@ -2078,10 +2134,17 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
if (advice_status_hints)
strbuf_addstr(sb,
_(" (use \"git branch --unset-upstream\" to fixup)\n"));
- } else if (!ours && !theirs) {
+ } else if (!sti) {
strbuf_addf(sb,
_("Your branch is up to date with '%s'.\n"),
base);
+ } else if (abf == AHEAD_BEHIND_QUICK) {
+ strbuf_addf(sb,
+ _("Your branch and '%s' refer to different commits.\n"),
+ base);
+ if (advice_status_hints)
+ strbuf_addf(sb, _(" (use \"%s\" for details)\n"),
+ "git status --ahead-behind");
} else if (!theirs) {
strbuf_addf(sb,
Q_("Your branch is ahead of '%s' by %d commit.\n",
@@ -2327,7 +2390,7 @@ static int remote_tracking(struct remote *remote, const char *refname,
dst = apply_refspecs(remote->fetch, remote->fetch_refspec_nr, refname);
if (!dst)
return -1; /* no tracking ref for refname at remote */
- if (read_ref(dst, oid->hash))
+ if (read_ref(dst, oid))
return -1; /* we know what the tracking ref is but we cannot read it */
return 0;
}