diff options
Diffstat (limited to 'builtin')
-rw-r--r-- | builtin/clone.c | 52 | ||||
-rw-r--r-- | builtin/pack-objects.c | 9 | ||||
-rw-r--r-- | builtin/receive-pack.c | 51 |
3 files changed, 77 insertions, 35 deletions
diff --git a/builtin/clone.c b/builtin/clone.c index 86db95473..9dcc5fe77 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; @@ -448,6 +471,21 @@ static void write_remote_refs(const struct ref *local_refs) 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) { return git_config_set_multivar(key, value ? value : "true", "^$", 0); @@ -478,7 +516,6 @@ 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 +535,9 @@ 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 +685,8 @@ 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 +705,8 @@ 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 = diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 96c168097..0f2e7b8f5 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -1434,11 +1434,16 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, return -1; /* - * We do not bother to try a delta that we discarded - * on an earlier try, but only when reusing delta data. + * We do not bother to try a delta that we discarded on an + * earlier try, but only when reusing delta data. Note that + * src_entry that is marked as the preferred_base should always + * be considered, as even if we produce a suboptimal delta against + * it, we will still save the transfer cost, as we already know + * the other side has it and we won't send src_entry at all. */ if (reuse_delta && trg_entry->in_pack && trg_entry->in_pack == src_entry->in_pack && + !src_entry->preferred_base && trg_entry->in_pack_type != OBJ_REF_DELTA && trg_entry->in_pack_type != OBJ_OFS_DELTA) return 0; diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 31d17cf19..fa7448be5 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -116,7 +116,7 @@ static int receive_pack_config(const char *var, const char *value, void *cb) return git_default_config(var, value, cb); } -static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) +static void show_ref(const char *path, const unsigned char *sha1) { if (sent_capabilities) packet_write(1, "%s %s\n", sha1_to_hex(sha1), path); @@ -126,10 +126,9 @@ static int show_ref(const char *path, const unsigned char *sha1, int flag, void " report-status delete-refs side-band-64k quiet", prefer_ofs_delta ? " ofs-delta" : ""); sent_capabilities = 1; - return 0; } -static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *cb_data) +static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *unused) { path = strip_namespace(path); /* @@ -142,15 +141,33 @@ static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, vo */ if (!path) path = ".have"; - return show_ref(path, sha1, flag, cb_data); + show_ref(path, sha1); + return 0; +} + +static void show_one_alternate_sha1(const unsigned char sha1[20], void *unused) +{ + show_ref(".have", sha1); +} + +static void collect_one_alternate_ref(const struct ref *ref, void *data) +{ + struct sha1_array *sa = data; + sha1_array_append(sa, ref->old_sha1); } static void write_head_info(void) { + struct sha1_array sa = SHA1_ARRAY_INIT; + for_each_alternate_ref(collect_one_alternate_ref, &sa); + sha1_array_for_each_unique(&sa, show_one_alternate_sha1, NULL); + sha1_array_clear(&sa); for_each_ref(show_ref_cb, NULL); if (!sent_capabilities) - show_ref("capabilities^{}", null_sha1, 0, NULL); + show_ref("capabilities^{}", null_sha1); + /* EOF */ + packet_flush(1); } struct command { @@ -875,25 +892,6 @@ static int delete_only(struct command *commands) return 1; } -static void add_one_alternate_sha1(const unsigned char sha1[20], void *unused) -{ - add_extra_ref(".have", sha1, 0); -} - -static void collect_one_alternate_ref(const struct ref *ref, void *data) -{ - struct sha1_array *sa = data; - sha1_array_append(sa, ref->old_sha1); -} - -static void add_alternate_refs(void) -{ - struct sha1_array sa = SHA1_ARRAY_INIT; - for_each_alternate_ref(collect_one_alternate_ref, &sa); - sha1_array_for_each_unique(&sa, add_one_alternate_sha1, NULL); - sha1_array_clear(&sa); -} - int cmd_receive_pack(int argc, const char **argv, const char *prefix) { int advertise_refs = 0; @@ -948,12 +946,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) unpack_limit = receive_unpack_limit; if (advertise_refs || !stateless_rpc) { - add_alternate_refs(); write_head_info(); - clear_extra_refs(); - - /* EOF */ - packet_flush(1); } if (advertise_refs) return 0; |