summaryrefslogtreecommitdiff
path: root/builtin/clone.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin/clone.c')
-rw-r--r--builtin/clone.c55
1 files changed, 49 insertions, 6 deletions
diff --git a/builtin/clone.c b/builtin/clone.c
index 86db954730..9084febb14 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -37,7 +37,7 @@ static const char * const builtin_clone_usage[] = {
NULL
};
-static int option_no_checkout, option_bare, option_mirror;
+static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
static int option_local, option_no_hardlinks, option_shared, option_recursive;
static char *option_template, *option_depth;
static char *option_origin = NULL;
@@ -48,6 +48,7 @@ static int option_verbosity;
static int option_progress;
static struct string_list option_config;
static struct string_list option_reference;
+static const char *src_ref_prefix = "refs/heads/";
static int opt_parse_reference(const struct option *opt, const char *arg, int unset)
{
@@ -92,6 +93,8 @@ static struct option builtin_clone_options[] = {
"path to git-upload-pack on the remote"),
OPT_STRING(0, "depth", &option_depth, "depth",
"create a shallow clone of that depth"),
+ OPT_BOOL(0, "single-branch", &option_single_branch,
+ "clone only one branch, HEAD or --branch"),
OPT_STRING(0, "separate-git-dir", &real_git_dir, "gitdir",
"separate git dir from working tree"),
OPT_STRING_LIST('c', "config", &option_config, "key=value",
@@ -427,8 +430,28 @@ static struct ref *wanted_peer_refs(const struct ref *refs,
struct ref *local_refs = head;
struct ref **tail = head ? &head->next : &local_refs;
- get_fetch_map(refs, refspec, &tail, 0);
- if (!option_mirror)
+ if (option_single_branch) {
+ struct ref *remote_head = NULL;
+
+ if (!option_branch)
+ remote_head = guess_remote_head(head, refs, 0);
+ else {
+ struct strbuf sb = STRBUF_INIT;
+ strbuf_addstr(&sb, src_ref_prefix);
+ strbuf_addstr(&sb, option_branch);
+ remote_head = find_ref_by_name(refs, sb.buf);
+ strbuf_release(&sb);
+ }
+
+ if (!remote_head && option_branch)
+ warning(_("Could not find remote branch %s to clone."),
+ option_branch);
+ else
+ get_fetch_map(remote_head, refspec, &tail, 0);
+ } else
+ get_fetch_map(refs, refspec, &tail, 0);
+
+ if (!option_mirror && !option_single_branch)
get_fetch_map(refs, tag_refspec, &tail, 0);
return local_refs;
@@ -441,11 +464,25 @@ static void write_remote_refs(const struct ref *local_refs)
for (r = local_refs; r; r = r->next) {
if (!r->peer_ref)
continue;
- add_extra_ref(r->peer_ref->name, r->old_sha1, 0);
+ add_packed_ref(r->peer_ref->name, r->old_sha1);
}
pack_refs(PACK_REFS_ALL);
- clear_extra_refs();
+}
+
+static void write_followtags(const struct ref *refs, const char *msg)
+{
+ const struct ref *ref;
+ for (ref = refs; ref; ref = ref->next) {
+ if (prefixcmp(ref->name, "refs/tags/"))
+ continue;
+ if (!suffixcmp(ref->name, "^{}"))
+ continue;
+ if (!has_sha1_file(ref->old_sha1))
+ continue;
+ update_ref(msg, ref->name, ref->old_sha1,
+ NULL, 0, DIE_ON_ERR);
+ }
}
static int write_one_config(const char *key, const char *value, void *data)
@@ -478,7 +515,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
struct strbuf key = STRBUF_INIT, value = STRBUF_INIT;
struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT;
struct transport *transport = NULL;
- char *src_ref_prefix = "refs/heads/";
int err = 0;
struct refspec *refspec;
@@ -498,6 +534,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
usage_msg_opt(_("You must specify a repository to clone."),
builtin_clone_usage, builtin_clone_options);
+ if (option_single_branch == -1)
+ option_single_branch = option_depth ? 1 : 0;
+
if (option_mirror)
option_bare = 1;
@@ -645,6 +684,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (option_depth)
transport_set_option(transport, TRANS_OPT_DEPTH,
option_depth);
+ if (option_single_branch)
+ transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
transport_set_verbosity(transport, option_verbosity, option_progress);
@@ -663,6 +704,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
clear_extra_refs();
write_remote_refs(mapped_refs);
+ if (option_single_branch)
+ write_followtags(refs, reflog_msg.buf);
remote_head = find_ref_by_name(refs, "HEAD");
remote_head_points_at =