diff options
| -rw-r--r-- | Documentation/config/init.txt | 2 | ||||
| -rw-r--r-- | builtin/clone.c | 16 | ||||
| -rw-r--r-- | connect.c | 28 | ||||
| -rwxr-xr-x | t/t5606-clone-options.sh | 8 | ||||
| -rwxr-xr-x | t/t5702-protocol-v2.sh | 25 | ||||
| -rw-r--r-- | transport.h | 8 |
6 files changed, 79 insertions, 8 deletions
diff --git a/Documentation/config/init.txt b/Documentation/config/init.txt index dc77f8c844..79c79d6617 100644 --- a/Documentation/config/init.txt +++ b/Documentation/config/init.txt @@ -4,4 +4,4 @@ init.templateDir:: init.defaultBranch:: Allows overriding the default branch name e.g. when initializing - a new repository or when cloning an empty repository. + a new repository. diff --git a/builtin/clone.c b/builtin/clone.c index 211d4f54b0..09dcd97a2e 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -1330,8 +1330,19 @@ int cmd_clone(int argc, const char **argv, const char *prefix) remote_head = NULL; option_no_checkout = 1; if (!option_bare) { - const char *branch = git_default_branch_name(); - char *ref = xstrfmt("refs/heads/%s", branch); + const char *branch; + char *ref; + + if (transport_ls_refs_options.unborn_head_target && + skip_prefix(transport_ls_refs_options.unborn_head_target, + "refs/heads/", &branch)) { + ref = transport_ls_refs_options.unborn_head_target; + transport_ls_refs_options.unborn_head_target = NULL; + create_symref("HEAD", ref, reflog_msg.buf); + } else { + branch = git_default_branch_name(); + ref = xstrfmt("refs/heads/%s", branch); + } install_branch_config(0, branch, remote_name, ref); free(ref); @@ -1385,5 +1396,6 @@ cleanup: junk_mode = JUNK_LEAVE_ALL; strvec_clear(&transport_ls_refs_options.ref_prefixes); + free(transport_ls_refs_options.unborn_head_target); return err; } @@ -376,7 +376,8 @@ struct ref **get_remote_heads(struct packet_reader *reader, } /* Returns 1 when a valid ref has been added to `list`, 0 otherwise */ -static int process_ref_v2(struct packet_reader *reader, struct ref ***list) +static int process_ref_v2(struct packet_reader *reader, struct ref ***list, + char **unborn_head_target) { int ret = 1; int i = 0; @@ -397,6 +398,25 @@ static int process_ref_v2(struct packet_reader *reader, struct ref ***list) goto out; } + if (!strcmp("unborn", line_sections.items[i].string)) { + i++; + if (unborn_head_target && + !strcmp("HEAD", line_sections.items[i++].string)) { + /* + * Look for the symref target (if any). If found, + * return it to the caller. + */ + for (; i < line_sections.nr; i++) { + const char *arg = line_sections.items[i].string; + + if (skip_prefix(arg, "symref-target:", &arg)) { + *unborn_head_target = xstrdup(arg); + break; + } + } + } + goto out; + } if (parse_oid_hex_algop(line_sections.items[i++].string, &old_oid, &end, reader->hash_algo) || *end) { ret = 0; @@ -461,6 +481,8 @@ struct ref **get_remote_refs(int fd_out, struct packet_reader *reader, const char *hash_name; struct strvec *ref_prefixes = transport_options ? &transport_options->ref_prefixes : NULL; + char **unborn_head_target = transport_options ? + &transport_options->unborn_head_target : NULL; *list = NULL; if (server_supports_v2("ls-refs", 1)) @@ -490,6 +512,8 @@ struct ref **get_remote_refs(int fd_out, struct packet_reader *reader, if (!for_push) packet_write_fmt(fd_out, "peel\n"); packet_write_fmt(fd_out, "symrefs\n"); + if (server_supports_feature("ls-refs", "unborn", 0)) + packet_write_fmt(fd_out, "unborn\n"); for (i = 0; ref_prefixes && i < ref_prefixes->nr; i++) { packet_write_fmt(fd_out, "ref-prefix %s\n", ref_prefixes->v[i]); @@ -498,7 +522,7 @@ struct ref **get_remote_refs(int fd_out, struct packet_reader *reader, /* Process response from server */ while (packet_reader_read(reader) == PACKET_READ_NORMAL) { - if (!process_ref_v2(reader, &list)) + if (!process_ref_v2(reader, &list, unborn_head_target)) die(_("invalid ls-refs response: %s"), reader->line); } diff --git a/t/t5606-clone-options.sh b/t/t5606-clone-options.sh index 7f082fb23b..ca6339a5fb 100755 --- a/t/t5606-clone-options.sh +++ b/t/t5606-clone-options.sh @@ -102,11 +102,13 @@ test_expect_success 'redirected clone -v does show progress' ' ' test_expect_success 'chooses correct default initial branch name' ' - git init --bare empty && + GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \ + git -c init.defaultBranch=foo init --bare empty && + test_config -C empty lsrefs.unborn advertise && GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \ git -c init.defaultBranch=up clone empty whats-up && - test refs/heads/up = $(git -C whats-up symbolic-ref HEAD) && - test refs/heads/up = $(git -C whats-up config branch.up.merge) + test refs/heads/foo = $(git -C whats-up symbolic-ref HEAD) && + test refs/heads/foo = $(git -C whats-up config branch.foo.merge) ' test_expect_success 'guesses initial branch name correctly' ' diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh index 7d5b17909b..b2ead93af9 100755 --- a/t/t5702-protocol-v2.sh +++ b/t/t5702-protocol-v2.sh @@ -209,6 +209,31 @@ test_expect_success 'clone with file:// using protocol v2' ' grep "ref-prefix refs/tags/" log ' +test_expect_success 'clone of empty repo propagates name of default branch' ' + test_when_finished "rm -rf file_empty_parent file_empty_child" && + + GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \ + git -c init.defaultBranch=mydefaultbranch init file_empty_parent && + + GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \ + git -c init.defaultBranch=main -c protocol.version=2 \ + clone "file://$(pwd)/file_empty_parent" file_empty_child && + grep "refs/heads/mydefaultbranch" file_empty_child/.git/HEAD +' + +test_expect_success '...but not if explicitly forbidden by config' ' + test_when_finished "rm -rf file_empty_parent file_empty_child" && + + GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \ + git -c init.defaultBranch=mydefaultbranch init file_empty_parent && + test_config -C file_empty_parent lsrefs.unborn ignore && + + GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \ + git -c init.defaultBranch=main -c protocol.version=2 \ + clone "file://$(pwd)/file_empty_parent" file_empty_child && + ! grep "refs/heads/mydefaultbranch" file_empty_child/.git/HEAD +' + test_expect_success 'fetch with file:// using protocol v2' ' test_when_finished "rm -f log" && diff --git a/transport.h b/transport.h index 1f5b60e4d3..24e15799e7 100644 --- a/transport.h +++ b/transport.h @@ -243,6 +243,14 @@ struct transport_ls_refs_options { * provided ref_prefixes. */ struct strvec ref_prefixes; + + /* + * If unborn_head_target is not NULL, and the remote reports HEAD as + * pointing to an unborn branch, transport_get_remote_refs() stores the + * unborn branch in unborn_head_target. It should be freed by the + * caller. + */ + char *unborn_head_target; }; #define TRANSPORT_LS_REFS_OPTIONS_INIT { STRVEC_INIT } |