diff options
| -rw-r--r-- | connect.c | 63 | ||||
| -rw-r--r-- | connect.h | 1 | ||||
| -rwxr-xr-x | t/t5505-remote.sh | 16 | ||||
| -rwxr-xr-x | t/t5570-git-daemon.sh | 5 | ||||
| -rwxr-xr-x | t/t5601-clone.sh | 11 | ||||
| -rw-r--r-- | upload-pack.c | 51 |
6 files changed, 125 insertions, 22 deletions
@@ -7,8 +7,10 @@ #include "remote.h" #include "connect.h" #include "url.h" +#include "string-list.h" static char *server_capabilities; +static const char *parse_feature_value(const char *, const char *, int *); static int check_ref(const char *name, int len, unsigned int flags) { @@ -60,6 +62,61 @@ static void die_initial_contact(int got_at_least_one_head) "and the repository exists."); } +static void parse_one_symref_info(struct string_list *symref, const char *val, int len) +{ + char *sym, *target; + struct string_list_item *item; + + if (!len) + return; /* just "symref" */ + /* e.g. "symref=HEAD:refs/heads/master" */ + sym = xmalloc(len + 1); + memcpy(sym, val, len); + sym[len] = '\0'; + target = strchr(sym, ':'); + if (!target) + /* just "symref=something" */ + goto reject; + *(target++) = '\0'; + if (check_refname_format(sym, REFNAME_ALLOW_ONELEVEL) || + check_refname_format(target, REFNAME_ALLOW_ONELEVEL)) + /* "symref=bogus:pair */ + goto reject; + item = string_list_append(symref, sym); + item->util = target; + return; +reject: + free(sym); + return; +} + +static void annotate_refs_with_symref_info(struct ref *ref) +{ + struct string_list symref = STRING_LIST_INIT_DUP; + const char *feature_list = server_capabilities; + + while (feature_list) { + int len; + const char *val; + + val = parse_feature_value(feature_list, "symref", &len); + if (!val) + break; + parse_one_symref_info(&symref, val, len); + feature_list = val + 1; + } + sort_string_list(&symref); + + for (; ref; ref = ref->next) { + struct string_list_item *item; + item = string_list_lookup(&symref, ref->name); + if (!item) + continue; + ref->symref = xstrdup((char *)item->util); + } + string_list_clear(&symref, 0); +} + /* * Read all the refs from the other end */ @@ -67,6 +124,7 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len, struct ref **list, unsigned int flags, struct extra_have_objects *extra_have) { + struct ref **orig_list = list; int got_at_least_one_head = 0; *list = NULL; @@ -114,10 +172,13 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len, list = &ref->next; got_at_least_one_head = 1; } + + annotate_refs_with_symref_info(*orig_list); + return list; } -const char *parse_feature_value(const char *feature_list, const char *feature, int *lenp) +static const char *parse_feature_value(const char *feature_list, const char *feature, int *lenp) { int len; @@ -8,6 +8,5 @@ extern int git_connection_is_socket(struct child_process *conn); extern int server_supports(const char *feature); extern int parse_feature_request(const char *features, const char *feature); extern const char *server_feature_value(const char *feature, int *len_ret); -extern const char *parse_feature_value(const char *feature_list, const char *feature, int *len_ret); #endif diff --git a/t/t5505-remote.sh b/t/t5505-remote.sh index 8f6e3922dc..ac79dd915d 100755 --- a/t/t5505-remote.sh +++ b/t/t5505-remote.sh @@ -160,9 +160,7 @@ cat >test/expect <<EOF * remote two Fetch URL: ../two Push URL: ../three - HEAD branch (remote HEAD is ambiguous, may be one of the following): - another - master + HEAD branch: master Local refs configured for 'git push': ahead forces to master (fast-forwardable) master pushes to another (up to date) @@ -262,16 +260,12 @@ test_expect_success 'set-head --auto' ' ) ' -cat >test/expect <<\EOF -error: Multiple remote HEAD branches. Please choose one explicitly with: - git remote set-head two another - git remote set-head two master -EOF - -test_expect_success 'set-head --auto fails w/multiple HEADs' ' +test_expect_success 'set-head --auto has no problem w/multiple HEADs' ' ( cd test && - test_must_fail git remote set-head --auto two >output 2>&1 && + git fetch two "refs/heads/*:refs/remotes/two/*" && + git remote set-head --auto two >output 2>&1 && + echo "two/HEAD set to master" >expect && test_i18ncmp expect output ) ' diff --git a/t/t5570-git-daemon.sh b/t/t5570-git-daemon.sh index f01edffa3c..e06146835c 100755 --- a/t/t5570-git-daemon.sh +++ b/t/t5570-git-daemon.sh @@ -37,7 +37,7 @@ test_expect_success 'fetch changes via git protocol' ' test_cmp file clone/file ' -test_expect_failure 'remote detects correct HEAD' ' +test_expect_success 'remote detects correct HEAD' ' git push public master:other && (cd clone && git remote set-head -d origin && @@ -122,8 +122,7 @@ test_remote_error() fi test_must_fail git "$cmd" "$GIT_DAEMON_URL/$repo" "$@" 2>output && - echo "fatal: remote error: $msg: /$repo" >expect && - test_cmp expect output + test_i18ngrep "fatal: remote error: $msg: /$repo" output && ret=$? chmod +x "$GIT_DAEMON_DOCUMENT_ROOT_PATH/repo.git" (exit $ret) diff --git a/t/t5601-clone.sh b/t/t5601-clone.sh index 8f3cd44d51..1d1c8755ea 100755 --- a/t/t5601-clone.sh +++ b/t/t5601-clone.sh @@ -329,4 +329,15 @@ test_expect_success 'bracketed hostnames are still ssh' ' expect_ssh myhost:123 src ' +test_expect_success 'clone from a repository with two identical branches' ' + + ( + cd src && + git checkout -b another master + ) && + git clone src target-11 && + test "z$( cd target-11 && git symbolic-ref HEAD )" = zrefs/heads/another + +' + test_done diff --git a/upload-pack.c b/upload-pack.c index a6c54e06bb..43342ac161 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -689,6 +689,16 @@ static int mark_our_ref(const char *refname, const unsigned char *sha1, int flag return 0; } +static void format_symref_info(struct strbuf *buf, struct string_list *symref) +{ + struct string_list_item *item; + + if (!symref->nr) + return; + for_each_string_list_item(item, symref) + strbuf_addf(buf, " symref=%s:%s", item->string, (char *)item->util); +} + static int send_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { static const char *capabilities = "multi_ack thin-pack side-band" @@ -697,35 +707,64 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo const char *refname_nons = strip_namespace(refname); unsigned char peeled[20]; - if (mark_our_ref(refname, sha1, flag, cb_data)) + if (mark_our_ref(refname, sha1, flag, NULL)) return 0; - if (capabilities) - packet_write(1, "%s %s%c%s%s%s agent=%s\n", + if (capabilities) { + struct strbuf symref_info = STRBUF_INIT; + + format_symref_info(&symref_info, cb_data); + packet_write(1, "%s %s%c%s%s%s%s agent=%s\n", sha1_to_hex(sha1), refname_nons, 0, capabilities, allow_tip_sha1_in_want ? " allow-tip-sha1-in-want" : "", stateless_rpc ? " no-done" : "", + symref_info.buf, git_user_agent_sanitized()); - else + strbuf_release(&symref_info); + } else { packet_write(1, "%s %s\n", sha1_to_hex(sha1), refname_nons); + } capabilities = NULL; if (!peel_ref(refname, peeled)) packet_write(1, "%s %s^{}\n", sha1_to_hex(peeled), refname_nons); return 0; } +static int find_symref(const char *refname, const unsigned char *sha1, int flag, + void *cb_data) +{ + const char *symref_target; + struct string_list_item *item; + unsigned char unused[20]; + + if ((flag & REF_ISSYMREF) == 0) + return 0; + symref_target = resolve_ref_unsafe(refname, unused, 0, &flag); + if (!symref_target || (flag & REF_ISSYMREF) == 0) + die("'%s' is a symref but it is not?", refname); + item = string_list_append(cb_data, refname); + item->util = xstrdup(symref_target); + return 0; +} + static void upload_pack(void) { + struct string_list symref = STRING_LIST_INIT_DUP; + + head_ref_namespaced(find_symref, &symref); + for_each_namespaced_ref(find_symref, &symref); + if (advertise_refs || !stateless_rpc) { reset_timeout(); - head_ref_namespaced(send_ref, NULL); - for_each_namespaced_ref(send_ref, NULL); + head_ref_namespaced(send_ref, &symref); + for_each_namespaced_ref(send_ref, &symref); packet_flush(1); } else { head_ref_namespaced(mark_our_ref, NULL); for_each_namespaced_ref(mark_our_ref, NULL); } + string_list_clear(&symref, 1); if (advertise_refs) return; |