summaryrefslogtreecommitdiff
path: root/builtin-clone.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin-clone.c')
-rw-r--r--builtin-clone.c120
1 files changed, 77 insertions, 43 deletions
diff --git a/builtin-clone.c b/builtin-clone.c
index 0f231d8af5..caf3025031 100644
--- a/builtin-clone.c
+++ b/builtin-clone.c
@@ -41,6 +41,7 @@ static int option_quiet, option_no_checkout, option_bare, option_mirror;
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,
@@ -60,13 +63,15 @@ static struct option builtin_clone_options[] = {
OPT_BOOLEAN('s', "shared", &option_shared,
"setup as shared repository"),
OPT_BOOLEAN(0, "recursive", &option_recursive,
- "setup as shared repository"),
+ "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 <branch> 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",
@@ -266,7 +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);
@@ -326,24 +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)
@@ -353,7 +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;
@@ -368,8 +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;
@@ -490,9 +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]);
@@ -515,21 +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)
@@ -537,41 +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)
@@ -605,7 +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);
@@ -615,7 +648,8 @@ 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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 07:31:35 +0000