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-rw-r--r--builtin/clone.c497
1 files changed, 314 insertions, 183 deletions
diff --git a/builtin/clone.c b/builtin/clone.c
index 86db954730..8d23a62e8a 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -33,19 +33,19 @@
*
*/
static const char * const builtin_clone_usage[] = {
- "git clone [options] [--] <repo> [<dir>]",
+ N_("git clone [options] [--] <repo> [<dir>]"),
NULL
};
-static int option_no_checkout, option_bare, option_mirror;
-static int option_local, option_no_hardlinks, option_shared, option_recursive;
+static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
+static int option_local = -1, option_no_hardlinks, option_shared, option_recursive;
static char *option_template, *option_depth;
static char *option_origin = NULL;
static char *option_branch = NULL;
static const char *real_git_dir;
static char *option_upload_pack = "git-upload-pack";
static int option_verbosity;
-static int option_progress;
+static int option_progress = -1;
static struct string_list option_config;
static struct string_list option_reference;
@@ -60,42 +60,44 @@ static int opt_parse_reference(const struct option *opt, const char *arg, int un
static struct option builtin_clone_options[] = {
OPT__VERBOSITY(&option_verbosity),
- OPT_BOOLEAN(0, "progress", &option_progress,
- "force progress reporting"),
+ OPT_BOOL(0, "progress", &option_progress,
+ N_("force progress reporting")),
OPT_BOOLEAN('n', "no-checkout", &option_no_checkout,
- "don't create a checkout"),
- OPT_BOOLEAN(0, "bare", &option_bare, "create a bare repository"),
+ N_("don't create a checkout")),
+ OPT_BOOLEAN(0, "bare", &option_bare, N_("create a bare repository")),
{ OPTION_BOOLEAN, 0, "naked", &option_bare, NULL,
- "create a bare repository",
+ N_("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,
- "to clone from a local repository"),
+ N_("create a mirror repository (implies bare)")),
+ OPT_BOOL('l', "local", &option_local,
+ N_("to clone from a local repository")),
OPT_BOOLEAN(0, "no-hardlinks", &option_no_hardlinks,
- "don't use local hardlinks, always copy"),
+ N_("don't use local hardlinks, always copy")),
OPT_BOOLEAN('s', "shared", &option_shared,
- "setup as shared repository"),
+ N_("setup as shared repository")),
OPT_BOOLEAN(0, "recursive", &option_recursive,
- "initialize submodules in the clone"),
+ N_("initialize submodules in the clone")),
OPT_BOOLEAN(0, "recurse-submodules", &option_recursive,
- "initialize submodules in the clone"),
- OPT_STRING(0, "template", &option_template, "template-directory",
- "directory from which templates will be used"),
- OPT_CALLBACK(0 , "reference", &option_reference, "repo",
- "reference repository", &opt_parse_reference),
- OPT_STRING('o', "origin", &option_origin, "name",
- "use <name> instead of 'origin' to track upstream"),
- OPT_STRING('b', "branch", &option_branch, "branch",
- "checkout <branch> 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",
- "create a shallow clone of that depth"),
- 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",
- "set config inside the new repository"),
+ N_("initialize submodules in the clone")),
+ OPT_STRING(0, "template", &option_template, N_("template-directory"),
+ N_("directory from which templates will be used")),
+ OPT_CALLBACK(0 , "reference", &option_reference, N_("repo"),
+ N_("reference repository"), &opt_parse_reference),
+ OPT_STRING('o', "origin", &option_origin, N_("name"),
+ N_("use <name> instead of 'origin' to track upstream")),
+ OPT_STRING('b', "branch", &option_branch, N_("branch"),
+ N_("checkout <branch> instead of the remote's HEAD")),
+ OPT_STRING('u', "upload-pack", &option_upload_pack, N_("path"),
+ N_("path to git-upload-pack on the remote")),
+ OPT_STRING(0, "depth", &option_depth, N_("depth"),
+ N_("create a shallow clone of that depth")),
+ OPT_BOOL(0, "single-branch", &option_single_branch,
+ N_("clone only one branch, HEAD or --branch")),
+ OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
+ N_("separate git dir from working tree")),
+ OPT_STRING_LIST('c', "config", &option_config, N_("key=value"),
+ N_("set config inside the new repository")),
OPT_END()
};
@@ -105,7 +107,7 @@ static const char *argv_submodule[] = {
static char *get_repo_path(const char *repo, int *is_bundle)
{
- static char *suffix[] = { "/.git", ".git", "" };
+ static char *suffix[] = { "/.git", "", ".git/.git", ".git" };
static char *bundle_suffix[] = { ".bundle", "" };
struct stat st;
int i;
@@ -115,7 +117,7 @@ static char *get_repo_path(const char *repo, int *is_bundle)
path = mkpath("%s%s", repo, suffix[i]);
if (stat(path, &st))
continue;
- if (S_ISDIR(st.st_mode)) {
+ if (S_ISDIR(st.st_mode) && is_git_directory(path)) {
*is_bundle = 0;
return xstrdup(absolute_path(path));
} else if (S_ISREG(st.st_mode) && st.st_size > 8) {
@@ -230,14 +232,11 @@ static int add_one_reference(struct string_list_item *item, void *cb_data)
{
char *ref_git;
struct strbuf alternate = STRBUF_INIT;
- struct remote *remote;
- struct transport *transport;
- const struct ref *extra;
/* Beware: real_path() and mkpath() return static buffer */
ref_git = xstrdup(real_path(item->string));
if (is_directory(mkpath("%s/.git/objects", ref_git))) {
- char *ref_git_git = xstrdup(mkpath("%s/.git", ref_git));
+ char *ref_git_git = mkpathdup("%s/.git", ref_git);
free(ref_git);
ref_git = ref_git_git;
} else if (!is_directory(mkpath("%s/objects", ref_git)))
@@ -247,14 +246,6 @@ static int add_one_reference(struct string_list_item *item, void *cb_data)
strbuf_addf(&alternate, "%s/objects", ref_git);
add_to_alternates_file(alternate.buf);
strbuf_release(&alternate);
-
- remote = remote_get(ref_git);
- transport = transport_get(remote, ref_git);
- for (extra = transport_get_remote_refs(transport); extra;
- extra = extra->next)
- add_extra_ref(extra->name, extra->old_sha1, 0);
-
- transport_disconnect(transport);
free(ref_git);
return 0;
}
@@ -351,7 +342,7 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
if (!option_no_hardlinks) {
if (!link(src->buf, dest->buf))
continue;
- if (option_local)
+ if (option_local > 0)
die_errno(_("failed to create link '%s'"), dest->buf);
option_no_hardlinks = 1;
}
@@ -361,13 +352,8 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
closedir(dir);
}
-static const struct ref *clone_local(const char *src_repo,
- const char *dest_repo)
+static void clone_local(const char *src_repo, const char *dest_repo)
{
- const struct ref *ret;
- struct remote *remote;
- struct transport *transport;
-
if (option_shared) {
struct strbuf alt = STRBUF_INIT;
strbuf_addf(&alt, "%s/objects", src_repo);
@@ -383,13 +369,8 @@ static const struct ref *clone_local(const char *src_repo,
strbuf_release(&dest);
}
- remote = remote_get(src_repo);
- transport = transport_get(remote, src_repo);
- ret = transport_get_remote_refs(transport);
- transport_disconnect(transport);
if (0 <= option_verbosity)
printf(_("done.\n"));
- return ret;
}
static const char *junk_work_tree;
@@ -420,6 +401,26 @@ static void remove_junk_on_signal(int signo)
raise(signo);
}
+static struct ref *find_remote_branch(const struct ref *refs, const char *branch)
+{
+ struct ref *ref;
+ struct strbuf head = STRBUF_INIT;
+ strbuf_addstr(&head, "refs/heads/");
+ strbuf_addstr(&head, branch);
+ ref = find_ref_by_name(refs, head.buf);
+ strbuf_release(&head);
+
+ if (ref)
+ return ref;
+
+ strbuf_addstr(&head, "refs/tags/");
+ strbuf_addstr(&head, branch);
+ ref = find_ref_by_name(refs, head.buf);
+ strbuf_release(&head);
+
+ return ref;
+}
+
static struct ref *wanted_peer_refs(const struct ref *refs,
struct refspec *refspec)
{
@@ -427,8 +428,30 @@ 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 {
+ local_refs = NULL;
+ tail = &local_refs;
+ remote_head = copy_ref(find_remote_branch(refs, option_branch));
+ }
+
+ 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);
+
+ /* if --branch=tag, pull the requested tag explicitly */
+ get_fetch_map(remote_head, tag_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;
@@ -441,11 +464,134 @@ static void write_remote_refs(const struct ref *local_refs)
for (r = local_refs; r; r = r->next) {
if (!r->peer_ref)
continue;
- add_extra_ref(r->peer_ref->name, r->old_sha1, 0);
+ add_packed_ref(r->peer_ref->name, r->old_sha1);
}
pack_refs(PACK_REFS_ALL);
- 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 void update_remote_refs(const struct ref *refs,
+ const struct ref *mapped_refs,
+ const struct ref *remote_head_points_at,
+ const char *branch_top,
+ const char *msg)
+{
+ if (refs) {
+ write_remote_refs(mapped_refs);
+ if (option_single_branch)
+ write_followtags(refs, msg);
+ }
+
+ if (remote_head_points_at && !option_bare) {
+ struct strbuf head_ref = STRBUF_INIT;
+ strbuf_addstr(&head_ref, branch_top);
+ strbuf_addstr(&head_ref, "HEAD");
+ create_symref(head_ref.buf,
+ remote_head_points_at->peer_ref->name,
+ msg);
+ }
+}
+
+static void update_head(const struct ref *our, const struct ref *remote,
+ const char *msg)
+{
+ if (our && !prefixcmp(our->name, "refs/heads/")) {
+ /* Local default branch link */
+ create_symref("HEAD", our->name, NULL);
+ if (!option_bare) {
+ const char *head = skip_prefix(our->name, "refs/heads/");
+ update_ref(msg, "HEAD", our->old_sha1, NULL, 0, DIE_ON_ERR);
+ install_branch_config(0, head, option_origin, our->name);
+ }
+ } else if (our) {
+ struct commit *c = lookup_commit_reference(our->old_sha1);
+ /* --branch specifies a non-branch (i.e. tags), detach HEAD */
+ update_ref(msg, "HEAD", c->object.sha1,
+ NULL, REF_NODEREF, DIE_ON_ERR);
+ } else if (remote) {
+ /*
+ * We know remote HEAD points to a non-branch, or
+ * HEAD points to a branch but we don't know which one.
+ * Detach HEAD in all these cases.
+ */
+ update_ref(msg, "HEAD", remote->old_sha1,
+ NULL, REF_NODEREF, DIE_ON_ERR);
+ }
+}
+
+static int checkout(void)
+{
+ unsigned char sha1[20];
+ char *head;
+ struct lock_file *lock_file;
+ struct unpack_trees_options opts;
+ struct tree *tree;
+ struct tree_desc t;
+ int err = 0, fd;
+
+ if (option_no_checkout)
+ return 0;
+
+ head = resolve_refdup("HEAD", sha1, 1, NULL);
+ if (!head) {
+ warning(_("remote HEAD refers to nonexistent ref, "
+ "unable to checkout.\n"));
+ return 0;
+ }
+ if (!strcmp(head, "HEAD")) {
+ if (advice_detached_head)
+ detach_advice(sha1_to_hex(sha1));
+ } else {
+ if (prefixcmp(head, "refs/heads/"))
+ die(_("HEAD not found below refs/heads!"));
+ }
+ free(head);
+
+ /* We need to be in the new work tree for the checkout */
+ setup_work_tree();
+
+ lock_file = xcalloc(1, sizeof(struct lock_file));
+ fd = hold_locked_index(lock_file, 1);
+
+ memset(&opts, 0, sizeof opts);
+ opts.update = 1;
+ opts.merge = 1;
+ opts.fn = oneway_merge;
+ opts.verbose_update = (option_verbosity >= 0);
+ opts.src_index = &the_index;
+ opts.dst_index = &the_index;
+
+ tree = parse_tree_indirect(sha1);
+ parse_tree(tree);
+ init_tree_desc(&t, tree->buffer, tree->size);
+ unpack_trees(1, &t, &opts);
+
+ if (write_cache(fd, active_cache, active_nr) ||
+ commit_locked_index(lock_file))
+ die(_("unable to write new index file"));
+
+ err |= run_hook(NULL, "post-checkout", sha1_to_hex(null_sha1),
+ sha1_to_hex(sha1), "1", NULL);
+
+ if (!err && option_recursive)
+ err = run_command_v_opt(argv_submodule, RUN_GIT_CMD);
+
+ return err;
}
static int write_one_config(const char *key, const char *value, void *data)
@@ -464,6 +610,54 @@ static void write_config(struct string_list *config)
}
}
+static void write_refspec_config(const char* src_ref_prefix,
+ const struct ref* our_head_points_at,
+ const struct ref* remote_head_points_at, struct strbuf* branch_top)
+{
+ struct strbuf key = STRBUF_INIT;
+ struct strbuf value = STRBUF_INIT;
+
+ if (option_mirror || !option_bare) {
+ if (option_single_branch && !option_mirror) {
+ if (option_branch) {
+ if (strstr(our_head_points_at->name, "refs/tags/"))
+ strbuf_addf(&value, "+%s:%s", our_head_points_at->name,
+ our_head_points_at->name);
+ else
+ strbuf_addf(&value, "+%s:%s%s", our_head_points_at->name,
+ branch_top->buf, option_branch);
+ } else if (remote_head_points_at) {
+ strbuf_addf(&value, "+%s:%s%s", remote_head_points_at->name,
+ branch_top->buf,
+ skip_prefix(remote_head_points_at->name, "refs/heads/"));
+ }
+ /*
+ * otherwise, the next "git fetch" will
+ * simply fetch from HEAD without updating
+ * any remote tracking branch, which is what
+ * we want.
+ */
+ } else {
+ strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top->buf);
+ }
+ /* Configure the remote */
+ if (value.len) {
+ strbuf_addf(&key, "remote.%s.fetch", option_origin);
+ git_config_set_multivar(key.buf, value.buf, "^$", 0);
+ strbuf_reset(&key);
+
+ if (option_mirror) {
+ strbuf_addf(&key, "remote.%s.mirror", option_origin);
+ git_config_set(key.buf, "true");
+ strbuf_reset(&key);
+ }
+ }
+ }
+
+ strbuf_release(&key);
+ strbuf_release(&value);
+}
+
int cmd_clone(int argc, const char **argv, const char *prefix)
{
int is_bundle = 0, is_local;
@@ -475,11 +669,13 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
const struct ref *remote_head_points_at;
const struct ref *our_head_points_at;
struct ref *mapped_refs;
+ const struct ref *ref;
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;
+ const char *src_ref_prefix = "refs/heads/";
+ struct remote *remote;
+ int err = 0, complete_refs_before_fetch = 1;
struct refspec *refspec;
const char *fetch_pattern;
@@ -498,6 +694,9 @@ 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;
@@ -520,7 +719,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
die(_("repository '%s' does not exist"), repo_name);
else
repo = repo_name;
- is_local = path && !is_bundle;
+ is_local = option_local != 0 && path && !is_bundle;
if (is_local && option_depth)
warning(_("--depth is ignored in local clones; use file:// instead."));
@@ -549,7 +748,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
git_dir = xstrdup(dir);
else {
work_tree = dir;
- git_dir = xstrdup(mkpath("%s/.git", dir));
+ git_dir = mkpathdup("%s/.git", dir);
}
if (!option_bare) {
@@ -557,7 +756,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (safe_create_leading_directories_const(work_tree) < 0)
die_errno(_("could not create leading directories of '%s'"),
work_tree);
- if (!dest_exists && mkdir(work_tree, 0755))
+ if (!dest_exists && mkdir(work_tree, 0777))
die_errno(_("could not create work tree dir '%s'."),
work_tree);
set_git_work_tree(work_tree);
@@ -572,8 +771,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
die(_("could not create leading directories of '%s'"), git_dir);
set_git_dir_init(git_dir, real_git_dir, 0);
- if (real_git_dir)
+ if (real_git_dir) {
git_dir = real_git_dir;
+ junk_git_dir = real_git_dir;
+ }
if (0 <= option_verbosity) {
if (option_bare)
@@ -604,20 +805,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
}
strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top.buf);
-
- if (option_mirror || !option_bare) {
- /* Configure the remote */
- strbuf_addf(&key, "remote.%s.fetch", option_origin);
- git_config_set_multivar(key.buf, value.buf, "^$", 0);
- strbuf_reset(&key);
-
- if (option_mirror) {
- strbuf_addf(&key, "remote.%s.mirror", option_origin);
- git_config_set(key.buf, "true");
- strbuf_reset(&key);
- }
- }
-
strbuf_addf(&key, "remote.%s.url", option_origin);
git_config_set(key.buf, repo);
strbuf_reset(&key);
@@ -630,13 +817,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
strbuf_reset(&value);
- if (is_local) {
- refs = clone_local(path, git_dir);
- mapped_refs = wanted_peer_refs(refs, refspec);
- } else {
- struct remote *remote = remote_get(option_origin);
- transport = transport_get(remote, remote->url[0]);
+ remote = remote_get(option_origin);
+ transport = transport_get(remote, remote->url[0]);
+ if (!is_local) {
if (!transport->get_refs_list || !transport->fetch)
die(_("Don't know how to clone %s"), transport->url);
@@ -645,49 +829,57 @@ 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);
if (option_upload_pack)
transport_set_option(transport, TRANS_OPT_UPLOADPACK,
option_upload_pack);
-
- refs = transport_get_remote_refs(transport);
- if (refs) {
- mapped_refs = wanted_peer_refs(refs, refspec);
- transport_fetch_refs(transport, mapped_refs);
- }
}
+ refs = transport_get_remote_refs(transport);
+
if (refs) {
- clear_extra_refs();
+ mapped_refs = wanted_peer_refs(refs, refspec);
+ /*
+ * transport_get_remote_refs() may return refs with null sha-1
+ * in mapped_refs (see struct transport->get_refs_list
+ * comment). In that case we need fetch it early because
+ * remote_head code below relies on it.
+ *
+ * for normal clones, transport_get_remote_refs() should
+ * return reliable ref set, we can delay cloning until after
+ * remote HEAD check.
+ */
+ for (ref = refs; ref; ref = ref->next)
+ if (is_null_sha1(ref->old_sha1)) {
+ complete_refs_before_fetch = 0;
+ break;
+ }
- write_remote_refs(mapped_refs);
+ if (!is_local && !complete_refs_before_fetch)
+ transport_fetch_refs(transport, mapped_refs);
remote_head = find_ref_by_name(refs, "HEAD");
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;
- }
+ find_remote_branch(mapped_refs, option_branch);
+
+ if (!our_head_points_at)
+ die(_("Remote branch %s not found in upstream %s"),
+ option_branch, option_origin);
}
else
our_head_points_at = remote_head_points_at;
}
else {
warning(_("You appear to have cloned an empty repository."));
+ mapped_refs = NULL;
our_head_points_at = NULL;
remote_head_points_at = NULL;
remote_head = NULL;
@@ -697,84 +889,23 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
"refs/heads/master");
}
- 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);
- }
+ write_refspec_config(src_ref_prefix, our_head_points_at,
+ remote_head_points_at, &branch_top);
- if (our_head_points_at) {
- /* Local default branch link */
- create_symref("HEAD", our_head_points_at->name, NULL);
- if (!option_bare) {
- const char *head = skip_prefix(our_head_points_at->name,
- "refs/heads/");
- update_ref(reflog_msg.buf, "HEAD",
- our_head_points_at->old_sha1,
- NULL, 0, DIE_ON_ERR);
- install_branch_config(0, head, option_origin,
- our_head_points_at->name);
- }
- } else if (remote_head) {
- /* Source had detached HEAD pointing somewhere. */
- 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)
- warning(_("remote HEAD refers to nonexistent ref, "
- "unable to checkout.\n"));
- option_no_checkout = 1;
- }
+ if (is_local)
+ clone_local(path, git_dir);
+ else if (refs && complete_refs_before_fetch)
+ transport_fetch_refs(transport, mapped_refs);
- if (transport) {
- transport_unlock_pack(transport);
- transport_disconnect(transport);
- }
+ update_remote_refs(refs, mapped_refs, remote_head_points_at,
+ branch_top.buf, reflog_msg.buf);
- if (!option_no_checkout) {
- struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
- struct unpack_trees_options opts;
- struct tree *tree;
- struct tree_desc t;
- int fd;
-
- /* We need to be in the new work tree for the checkout */
- setup_work_tree();
-
- fd = hold_locked_index(lock_file, 1);
-
- memset(&opts, 0, sizeof opts);
- opts.update = 1;
- opts.merge = 1;
- opts.fn = oneway_merge;
- opts.verbose_update = (option_verbosity > 0);
- opts.src_index = &the_index;
- opts.dst_index = &the_index;
-
- 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);
-
- if (write_cache(fd, active_cache, active_nr) ||
- commit_locked_index(lock_file))
- die(_("unable to write new index file"));
-
- err |= run_hook(NULL, "post-checkout", sha1_to_hex(null_sha1),
- 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);
- }
+ update_head(our_head_points_at, remote_head, reflog_msg.buf);
+
+ transport_unlock_pack(transport);
+ transport_disconnect(transport);
+
+ err = checkout();
strbuf_release(&reflog_msg);
strbuf_release(&branch_top);