X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-clone.c;h=caf3025031d83dc860b22c7798dd5f40b6b89ed2;hb=e8dbd76d57806fd1305612d56d56a4cc7665c599;hp=e51978a157d1ed3873ff04ac0b64dcf90a2a8dd7;hpb=daf85d97f8ae4ba462e55c79b1520342028f24d7;p=git.git diff --git a/builtin-clone.c b/builtin-clone.c index e51978a15..caf302503 100644 --- a/builtin-clone.c +++ b/builtin-clone.c @@ -38,9 +38,10 @@ static const char * const builtin_clone_usage[] = { }; static int option_quiet, option_no_checkout, option_bare, option_mirror; -static int option_local, option_no_hardlinks, option_shared; +static int option_local, option_no_hardlinks, option_shared, option_recursive; static char *option_template, *option_reference, *option_depth; static char *option_origin = NULL; +static char *option_branch = NULL; static char *option_upload_pack = "git-upload-pack"; static int option_verbose; @@ -50,7 +51,9 @@ static struct option builtin_clone_options[] = { OPT_BOOLEAN('n', "no-checkout", &option_no_checkout, "don't create a checkout"), OPT_BOOLEAN(0, "bare", &option_bare, "create a bare repository"), - OPT_BOOLEAN(0, "naked", &option_bare, "create a bare repository"), + { OPTION_BOOLEAN, 0, "naked", &option_bare, NULL, + "create a bare repository", + PARSE_OPT_NOARG | PARSE_OPT_HIDDEN }, OPT_BOOLEAN(0, "mirror", &option_mirror, "create a mirror repository (implies bare)"), OPT_BOOLEAN('l', "local", &option_local, @@ -59,12 +62,16 @@ static struct option builtin_clone_options[] = { "don't use local hardlinks, always copy"), OPT_BOOLEAN('s', "shared", &option_shared, "setup as shared repository"), + OPT_BOOLEAN(0, "recursive", &option_recursive, + "initialize submodules in the clone"), OPT_STRING(0, "template", &option_template, "path", "path the template repository"), OPT_STRING(0, "reference", &option_reference, "repo", "reference repository"), OPT_STRING('o', "origin", &option_origin, "branch", "use instead of 'origin' to track upstream"), + OPT_STRING('b', "branch", &option_branch, "branch", + "checkout instead of the remote's HEAD"), OPT_STRING('u', "upload-pack", &option_upload_pack, "path", "path to git-upload-pack on the remote"), OPT_STRING(0, "depth", &option_depth, "depth", @@ -73,6 +80,10 @@ static struct option builtin_clone_options[] = { OPT_END() }; +static const char *argv_submodule[] = { + "submodule", "update", "--init", "--recursive", NULL +}; + static char *get_repo_path(const char *repo, int *is_bundle) { static char *suffix[] = { "/.git", ".git", "" }; @@ -260,7 +271,7 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest) die_errno("failed to create link '%s'", dest->buf); option_no_hardlinks = 1; } - if (copy_file(dest->buf, src->buf, 0666)) + if (copy_file_with_time(dest->buf, src->buf, 0666)) die_errno("failed to copy file to '%s'", dest->buf); } closedir(dir); @@ -320,24 +331,28 @@ static void remove_junk_on_signal(int signo) raise(signo); } -static struct ref *write_remote_refs(const struct ref *refs, - struct refspec *refspec, const char *reflog) +static struct ref *wanted_peer_refs(const struct ref *refs, + struct refspec *refspec) { struct ref *local_refs = NULL; struct ref **tail = &local_refs; - struct ref *r; get_fetch_map(refs, refspec, &tail, 0); if (!option_mirror) get_fetch_map(refs, tag_refspec, &tail, 0); + return local_refs; +} + +static void write_remote_refs(const struct ref *local_refs) +{ + const struct ref *r; + for (r = local_refs; r; r = r->next) add_extra_ref(r->peer_ref->name, r->old_sha1, 0); pack_refs(PACK_REFS_ALL); clear_extra_refs(); - - return local_refs; } int cmd_clone(int argc, const char **argv, const char *prefix) @@ -347,7 +362,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix) const char *repo_name, *repo, *work_tree, *git_dir; char *path, *dir; int dest_exists; - const struct ref *refs, *head_points_at, *remote_head, *mapped_refs; + const struct ref *refs, *remote_head, *mapped_refs; + const struct ref *remote_head_points_at; + const struct ref *our_head_points_at; struct strbuf key = STRBUF_INIT, value = STRBUF_INIT; struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; struct transport *transport = NULL; @@ -362,8 +379,13 @@ int cmd_clone(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, builtin_clone_options, builtin_clone_usage, 0); + if (argc > 2) + usage_msg_opt("Too many arguments.", + builtin_clone_usage, builtin_clone_options); + if (argc == 0) - die("You must specify a repository to clone."); + usage_msg_opt("You must specify a repository to clone.", + builtin_clone_usage, builtin_clone_options); if (option_mirror) option_bare = 1; @@ -484,9 +506,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix) strbuf_reset(&value); - if (path && !is_bundle) + if (path && !is_bundle) { refs = clone_local(path, git_dir); - else { + mapped_refs = wanted_peer_refs(refs, refspec); + } else { struct remote *remote = remote_get(argv[0]); transport = transport_get(remote, remote->url[0]); @@ -509,21 +532,43 @@ int cmd_clone(int argc, const char **argv, const char *prefix) option_upload_pack); refs = transport_get_remote_refs(transport); - if(refs) - transport_fetch_refs(transport, refs); + if (refs) { + mapped_refs = wanted_peer_refs(refs, refspec); + transport_fetch_refs(transport, mapped_refs); + } } if (refs) { clear_extra_refs(); - mapped_refs = write_remote_refs(refs, refspec, reflog_msg.buf); + write_remote_refs(mapped_refs); remote_head = find_ref_by_name(refs, "HEAD"); - head_points_at = guess_remote_head(remote_head, mapped_refs, 0); + remote_head_points_at = + guess_remote_head(remote_head, mapped_refs, 0); + + if (option_branch) { + struct strbuf head = STRBUF_INIT; + strbuf_addstr(&head, src_ref_prefix); + strbuf_addstr(&head, option_branch); + our_head_points_at = + find_ref_by_name(mapped_refs, head.buf); + strbuf_release(&head); + + if (!our_head_points_at) { + warning("Remote branch %s not found in " + "upstream %s, using HEAD instead", + option_branch, option_origin); + our_head_points_at = remote_head_points_at; + } + } + else + our_head_points_at = remote_head_points_at; } else { warning("You appear to have cloned an empty repository."); - head_points_at = NULL; + our_head_points_at = NULL; + remote_head_points_at = NULL; remote_head = NULL; option_no_checkout = 1; if (!option_bare) @@ -531,41 +576,35 @@ int cmd_clone(int argc, const char **argv, const char *prefix) "refs/heads/master"); } - if (head_points_at) { - /* Local default branch link */ - create_symref("HEAD", head_points_at->name, NULL); + if (remote_head_points_at && !option_bare) { + struct strbuf head_ref = STRBUF_INIT; + strbuf_addstr(&head_ref, branch_top.buf); + strbuf_addstr(&head_ref, "HEAD"); + create_symref(head_ref.buf, + remote_head_points_at->peer_ref->name, + reflog_msg.buf); + } + if (our_head_points_at) { + /* Local default branch link */ + create_symref("HEAD", our_head_points_at->name, NULL); if (!option_bare) { - struct strbuf head_ref = STRBUF_INIT; - const char *head = head_points_at->name; - - if (!prefixcmp(head, "refs/heads/")) - head += 11; - - /* Set up the initial local branch */ - - /* Local branch initial value */ + const char *head = skip_prefix(our_head_points_at->name, + "refs/heads/"); update_ref(reflog_msg.buf, "HEAD", - head_points_at->old_sha1, + our_head_points_at->old_sha1, NULL, 0, DIE_ON_ERR); - - strbuf_addstr(&head_ref, branch_top.buf); - strbuf_addstr(&head_ref, "HEAD"); - - /* Remote branch link */ - create_symref(head_ref.buf, - head_points_at->peer_ref->name, - reflog_msg.buf); - install_branch_config(0, head, option_origin, - head_points_at->name); + our_head_points_at->name); } } else if (remote_head) { /* Source had detached HEAD pointing somewhere. */ - if (!option_bare) + if (!option_bare) { update_ref(reflog_msg.buf, "HEAD", remote_head->old_sha1, NULL, REF_NODEREF, DIE_ON_ERR); + our_head_points_at = remote_head; + } } else { /* Nothing to checkout out */ if (!option_no_checkout) @@ -599,7 +638,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) opts.src_index = &the_index; opts.dst_index = &the_index; - tree = parse_tree_indirect(remote_head->old_sha1); + tree = parse_tree_indirect(our_head_points_at->old_sha1); parse_tree(tree); init_tree_desc(&t, tree->buffer, tree->size); unpack_trees(1, &t, &opts); @@ -609,7 +648,11 @@ int cmd_clone(int argc, const char **argv, const char *prefix) die("unable to write new index file"); err |= run_hook(NULL, "post-checkout", sha1_to_hex(null_sha1), - sha1_to_hex(remote_head->old_sha1), "1", NULL); + sha1_to_hex(our_head_points_at->old_sha1), "1", + NULL); + + if (!err && option_recursive) + err = run_command_v_opt(argv_submodule, RUN_GIT_CMD); } strbuf_release(&reflog_msg);