diff options
Diffstat (limited to 'builtin/clone.c')
| -rw-r--r-- | builtin/clone.c | 55 |
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 = |