diff options
Diffstat (limited to 'builtin/receive-pack.c')
-rw-r--r-- | builtin/receive-pack.c | 110 |
1 files changed, 67 insertions, 43 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index d634b5a3d5..60260d0aa9 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -1,4 +1,4 @@ -#include "cache.h" +#include "builtin.h" #include "pack.h" #include "refs.h" #include "pkt-line.h" @@ -10,6 +10,7 @@ #include "remote.h" #include "transport.h" #include "string-list.h" +#include "sha1-array.h" static const char receive_pack_usage[] = "git receive-pack <git-dir>"; @@ -119,9 +120,25 @@ static int show_ref(const char *path, const unsigned char *sha1, int flag, void return 0; } +static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *cb_data) +{ + path = strip_namespace(path); + /* + * Advertise refs outside our current namespace as ".have" + * refs, so that the client can use them to minimize data + * transfer but will otherwise ignore them. This happens to + * cover ".have" that are thrown in by add_one_alternate_ref() + * to mark histories that are complete in our alternates as + * well. + */ + if (!path) + path = ".have"; + return show_ref(path, sha1, flag, cb_data); +} + static void write_head_info(void) { - for_each_ref(show_ref, NULL); + for_each_ref(show_ref_cb, NULL); if (!sent_capabilities) show_ref("capabilities^{}", null_sha1, 0, NULL); @@ -332,6 +349,8 @@ static void refuse_unconfigured_deny_delete_current(void) static const char *update(struct command *cmd) { const char *name = cmd->ref_name; + struct strbuf namespaced_name_buf = STRBUF_INIT; + const char *namespaced_name; unsigned char *old_sha1 = cmd->old_sha1; unsigned char *new_sha1 = cmd->new_sha1; struct ref_lock *lock; @@ -342,7 +361,10 @@ static const char *update(struct command *cmd) return "funny refname"; } - if (is_ref_checked_out(name)) { + strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name); + namespaced_name = strbuf_detach(&namespaced_name_buf, NULL); + + if (is_ref_checked_out(namespaced_name)) { switch (deny_current_branch) { case DENY_IGNORE: break; @@ -370,7 +392,7 @@ static const char *update(struct command *cmd) return "deletion prohibited"; } - if (!strcmp(name, head_name)) { + if (!strcmp(namespaced_name, head_name)) { switch (deny_delete_current) { case DENY_IGNORE: break; @@ -426,14 +448,14 @@ static const char *update(struct command *cmd) rp_warning("Allowing deletion of corrupt ref."); old_sha1 = NULL; } - if (delete_ref(name, old_sha1, 0)) { + if (delete_ref(namespaced_name, old_sha1, 0)) { rp_error("failed to delete %s", name); return "failed to delete"; } return NULL; /* good */ } else { - lock = lock_any_ref_for_update(name, old_sha1, 0); + lock = lock_any_ref_for_update(namespaced_name, old_sha1, 0); if (!lock) { rp_error("failed to lock %s", name); return "failed to lock"; @@ -490,17 +512,29 @@ static void run_update_post_hook(struct command *commands) static void check_aliased_update(struct command *cmd, struct string_list *list) { + struct strbuf buf = STRBUF_INIT; + const char *dst_name; struct string_list_item *item; struct command *dst_cmd; unsigned char sha1[20]; char cmd_oldh[41], cmd_newh[41], dst_oldh[41], dst_newh[41]; int flag; - const char *dst_name = resolve_ref(cmd->ref_name, sha1, 0, &flag); + strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name); + dst_name = resolve_ref(buf.buf, sha1, 0, &flag); + strbuf_release(&buf); if (!(flag & REF_ISSYMREF)) return; + dst_name = strip_namespace(dst_name); + if (!dst_name) { + rp_error("refusing update to broken symref '%s'", cmd->ref_name); + cmd->skip_update = 1; + cmd->error_string = "broken symref"; + return; + } + if ((item = string_list_lookup(list, dst_name)) == NULL) return; @@ -530,7 +564,7 @@ static void check_aliased_update(struct command *cmd, struct string_list *list) static void check_aliased_updates(struct command *commands) { struct command *cmd; - struct string_list ref_list = { NULL, 0, 0, 0 }; + struct string_list ref_list = STRING_LIST_INIT_NODUP; for (cmd = commands; cmd; cmd = cmd->next) { struct string_list_item *item = @@ -635,7 +669,7 @@ static const char *parse_pack_header(struct pack_header *hdr) static const char *pack_lockfile; -static const char *unpack(void) +static const char *unpack(int quiet) { struct pack_header hdr; const char *hdr_err; @@ -650,8 +684,10 @@ static const char *unpack(void) if (ntohl(hdr.hdr_entries) < unpack_limit) { int code, i = 0; - const char *unpacker[4]; + const char *unpacker[5]; unpacker[i++] = "unpack-objects"; + if (quiet) + unpacker[i++] = "-q"; if (receive_fsck_objects) unpacker[i++] = "--strict"; unpacker[i++] = hdr_arg; @@ -731,58 +767,46 @@ static int delete_only(struct command *commands) return 1; } -static int add_refs_from_alternate(struct alternate_object_database *e, void *unused) +static void add_one_alternate_sha1(const unsigned char sha1[20], void *unused) { - char *other; - size_t len; - struct remote *remote; - struct transport *transport; - const struct ref *extra; - - e->name[-1] = '\0'; - other = xstrdup(make_absolute_path(e->base)); - e->name[-1] = '/'; - len = strlen(other); - - while (other[len-1] == '/') - other[--len] = '\0'; - if (len < 8 || memcmp(other + len - 8, "/objects", 8)) - return 0; - /* Is this a git repository with refs? */ - memcpy(other + len - 8, "/refs", 6); - if (!is_directory(other)) - return 0; - other[len - 8] = '\0'; - remote = remote_get(other); - transport = transport_get(remote, other); - for (extra = transport_get_remote_refs(transport); - extra; - extra = extra->next) { - add_extra_ref(".have", extra->old_sha1, 0); - } - transport_disconnect(transport); - free(other); - return 0; + 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) { - foreach_alt_odb(add_refs_from_alternate, NULL); + 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 quiet = 0; int advertise_refs = 0; int stateless_rpc = 0; int i; char *dir = NULL; struct command *commands; + packet_trace_identity("receive-pack"); + argv++; for (i = 1; i < argc; i++) { const char *arg = *argv++; if (*arg == '-') { + if (!strcmp(arg, "--quiet")) { + quiet = 1; + continue; + } + if (!strcmp(arg, "--advertise-refs")) { advertise_refs = 1; continue; @@ -831,7 +855,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) const char *unpack_status = NULL; if (!delete_only(commands)) - unpack_status = unpack(); + unpack_status = unpack(quiet); execute_commands(commands, unpack_status); if (pack_lockfile) unlink_or_warn(pack_lockfile); |