#include "strbuf.h"
#include "dir.h"
#include "pack-refs.h"
+#include "sigchain.h"
+#include "branch.h"
+#include "remote.h"
+#include "run-command.h"
/*
* Overall FIXMEs:
dir = opendir(src->buf);
if (!dir)
- die("failed to open %s\n", src->buf);
+ die("failed to open %s", src->buf);
if (mkdir(dest->buf, 0777)) {
if (errno != EEXIST)
- die("failed to create directory %s\n", dest->buf);
+ die("failed to create directory %s", dest->buf);
else if (stat(dest->buf, &buf))
- die("failed to stat %s\n", dest->buf);
+ die("failed to stat %s", dest->buf);
else if (!S_ISDIR(buf.st_mode))
- die("%s exists and is not a directory\n", dest->buf);
+ die("%s exists and is not a directory", dest->buf);
}
strbuf_addch(src, '/');
}
if (unlink(dest->buf) && errno != ENOENT)
- die("failed to unlink %s\n", dest->buf);
+ die("failed to unlink %s", dest->buf);
if (!option_no_hardlinks) {
if (!link(src->buf, dest->buf))
continue;
if (option_local)
- die("failed to create link %s\n", dest->buf);
+ die("failed to create link %s", dest->buf);
option_no_hardlinks = 1;
}
if (copy_file(dest->buf, src->buf, 0666))
- die("failed to copy file to %s\n", dest->buf);
+ die("failed to copy file to %s", dest->buf);
}
closedir(dir);
}
static const char *junk_work_tree;
static const char *junk_git_dir;
-pid_t junk_pid;
+static pid_t junk_pid;
static void remove_junk(void)
{
static void remove_junk_on_signal(int signo)
{
remove_junk();
- signal(SIGINT, SIG_DFL);
+ sigchain_pop(signo);
raise(signo);
}
-static const struct ref *locate_head(const struct ref *refs,
- const struct ref *mapped_refs,
- const struct ref **remote_head_p)
-{
- const struct ref *remote_head = NULL;
- const struct ref *remote_master = NULL;
- const struct ref *r;
- for (r = refs; r; r = r->next)
- if (!strcmp(r->name, "HEAD"))
- remote_head = r;
-
- for (r = mapped_refs; r; r = r->next)
- if (!strcmp(r->name, "refs/heads/master"))
- remote_master = r;
-
- if (remote_head_p)
- *remote_head_p = remote_head;
-
- /* If there's no HEAD value at all, never mind. */
- if (!remote_head)
- return NULL;
-
- /* If refs/heads/master could be right, it is. */
- if (remote_master && !hashcmp(remote_master->old_sha1,
- remote_head->old_sha1))
- return remote_master;
-
- /* Look for another ref that points there */
- for (r = mapped_refs; r; r = r->next)
- if (r != remote_head &&
- !hashcmp(r->old_sha1, remote_head->old_sha1))
- return r;
-
- /* Nothing is the same */
- return NULL;
-}
-
static struct ref *write_remote_refs(const struct ref *refs,
struct refspec *refspec, const char *reflog)
{
int cmd_clone(int argc, const char **argv, const char *prefix)
{
- int use_local_hardlinks = 1;
- int use_separate_remote = 1;
int is_bundle = 0;
struct stat buf;
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;
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;
- struct refspec refspec;
+ struct refspec *refspec;
+ const char *fetch_pattern;
junk_pid = getpid();
if (argc == 0)
die("You must specify a repository to clone.");
- if (option_no_hardlinks)
- use_local_hardlinks = 0;
-
if (option_mirror)
option_bare = 1;
die("--bare and --origin %s options are incompatible.",
option_origin);
option_no_checkout = 1;
- use_separate_remote = 0;
}
if (!option_origin)
dir = guess_dir_name(repo_name, is_bundle, option_bare);
strip_trailing_slashes(dir);
- if (!stat(dir, &buf))
- die("destination directory '%s' already exists.", dir);
+ dest_exists = !stat(dir, &buf);
+ if (dest_exists && !is_empty_dir(dir))
+ die("destination path '%s' already exists and is not "
+ "an empty directory.", dir);
strbuf_addf(&reflog_msg, "clone: from %s", repo);
if (safe_create_leading_directories_const(work_tree) < 0)
die("could not create leading directories of '%s': %s",
work_tree, strerror(errno));
- if (mkdir(work_tree, 0755))
+ if (!dest_exists && mkdir(work_tree, 0755))
die("could not create work tree dir '%s': %s.",
work_tree, strerror(errno));
set_git_work_tree(work_tree);
}
junk_git_dir = git_dir;
atexit(remove_junk);
- signal(SIGINT, remove_junk_on_signal);
+ sigchain_push_common(remove_junk_on_signal);
- setenv(CONFIG_ENVIRONMENT, xstrdup(mkpath("%s/config", git_dir)), 1);
+ setenv(CONFIG_ENVIRONMENT, mkpath("%s/config", git_dir), 1);
if (safe_create_leading_directories_const(git_dir) < 0)
die("could not create leading directories of '%s'", git_dir);
strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin);
}
+ 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, "^$", 0);
+ strbuf_reset(&key);
+
if (option_mirror) {
strbuf_addf(&key, "remote.%s.mirror", option_origin);
git_config_set(key.buf, "true");
strbuf_addf(&key, "remote.%s.url", option_origin);
git_config_set(key.buf, repo);
- strbuf_reset(&key);
-
- strbuf_addf(&key, "remote.%s.fetch", option_origin);
- strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top.buf);
- git_config_set_multivar(key.buf, value.buf, "^$", 0);
strbuf_reset(&key);
- strbuf_reset(&value);
}
- refspec.force = 0;
- refspec.pattern = 1;
- refspec.src = src_ref_prefix;
- refspec.dst = branch_top.buf;
+ fetch_pattern = value.buf;
+ refspec = parse_fetch_refspec(1, &fetch_pattern);
+
+ strbuf_reset(&value);
if (path && !is_bundle)
refs = clone_local(path, git_dir);
option_upload_pack);
refs = transport_get_remote_refs(transport);
- transport_fetch_refs(transport, refs);
+ if(refs)
+ transport_fetch_refs(transport, refs);
}
- clear_extra_refs();
+ if (refs) {
+ clear_extra_refs();
- mapped_refs = write_remote_refs(refs, &refspec, reflog_msg.buf);
+ mapped_refs = write_remote_refs(refs, refspec, reflog_msg.buf);
- head_points_at = locate_head(refs, mapped_refs, &remote_head);
+ remote_head = find_ref_by_name(refs, "HEAD");
+ head_points_at = guess_remote_head(remote_head, mapped_refs, 0);
+ }
+ else {
+ warning("You appear to have cloned an empty repository.");
+ head_points_at = NULL;
+ remote_head = NULL;
+ option_no_checkout = 1;
+ if (!option_bare)
+ install_branch_config(0, "master", option_origin,
+ "refs/heads/master");
+ }
if (head_points_at) {
/* Local default branch link */
head_points_at->peer_ref->name,
reflog_msg.buf);
- strbuf_addf(&key, "branch.%s.remote", head);
- git_config_set(key.buf, option_origin);
- strbuf_reset(&key);
- strbuf_addf(&key, "branch.%s.merge", head);
- git_config_set(key.buf, head_points_at->name);
+ install_branch_config(0, head, option_origin,
+ head_points_at->name);
}
} else if (remote_head) {
/* Source had detached HEAD pointing somewhere. */
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(remote_head->old_sha1), "1", NULL);
}
strbuf_release(&reflog_msg);
strbuf_release(&key);
strbuf_release(&value);
junk_pid = 0;
- return 0;
+ return err;
}