#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:
static char *option_template, *option_reference, *option_depth;
static char *option_origin = NULL;
static char *option_upload_pack = "git-upload-pack";
+static int option_verbose;
static struct option builtin_clone_options[] = {
OPT__QUIET(&option_quiet),
+ OPT__VERBOSE(&option_verbose),
OPT_BOOLEAN('n', "no-checkout", &option_no_checkout,
"don't create a checkout"),
OPT_BOOLEAN(0, "bare", &option_bare, "create a bare repository"),
}
if (is_bare) {
- char *result = xmalloc(end - start + 5);
- sprintf(result, "%.*s.git", (int)(end - start), start);
- return result;
+ struct strbuf result = STRBUF_INIT;
+ strbuf_addf(&result, "%.*s.git", (int)(end - start), start);
+ return strbuf_detach(&result, 0);
}
return xstrndup(start, end - start);
free(ref_git_copy);
}
-static void copy_or_link_directory(char *src, char *dest)
+static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest)
{
struct dirent *de;
struct stat buf;
int src_len, dest_len;
DIR *dir;
- dir = opendir(src);
+ dir = opendir(src->buf);
if (!dir)
- die("failed to open %s\n", src);
+ die("failed to open %s", src->buf);
- if (mkdir(dest, 0777)) {
+ if (mkdir(dest->buf, 0777)) {
if (errno != EEXIST)
- die("failed to create directory %s\n", dest);
- else if (stat(dest, &buf))
- die("failed to stat %s\n", dest);
+ die("failed to create directory %s", dest->buf);
+ else if (stat(dest->buf, &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);
+ die("%s exists and is not a directory", dest->buf);
}
- src_len = strlen(src);
- src[src_len] = '/';
- dest_len = strlen(dest);
- dest[dest_len] = '/';
+ strbuf_addch(src, '/');
+ src_len = src->len;
+ strbuf_addch(dest, '/');
+ dest_len = dest->len;
while ((de = readdir(dir)) != NULL) {
- strcpy(src + src_len + 1, de->d_name);
- strcpy(dest + dest_len + 1, de->d_name);
- if (stat(src, &buf)) {
- warning ("failed to stat %s\n", src);
+ strbuf_setlen(src, src_len);
+ strbuf_addstr(src, de->d_name);
+ strbuf_setlen(dest, dest_len);
+ strbuf_addstr(dest, de->d_name);
+ if (stat(src->buf, &buf)) {
+ warning ("failed to stat %s\n", src->buf);
continue;
}
if (S_ISDIR(buf.st_mode)) {
continue;
}
- if (unlink(dest) && errno != ENOENT)
- die("failed to unlink %s\n", dest);
+ if (unlink(dest->buf) && errno != ENOENT)
+ die("failed to unlink %s", dest->buf);
if (!option_no_hardlinks) {
- if (!link(src, dest))
+ if (!link(src->buf, dest->buf))
continue;
if (option_local)
- die("failed to create link %s\n", dest);
+ die("failed to create link %s", dest->buf);
option_no_hardlinks = 1;
}
- if (copy_file(dest, src, 0666))
- die("failed to copy file to %s\n", dest);
+ if (copy_file(dest->buf, src->buf, 0666))
+ die("failed to copy file to %s", dest->buf);
}
closedir(dir);
}
const char *dest_repo)
{
const struct ref *ret;
- char src[PATH_MAX];
- char dest[PATH_MAX];
+ struct strbuf src = STRBUF_INIT;
+ struct strbuf dest = STRBUF_INIT;
struct remote *remote;
struct transport *transport;
if (option_shared)
add_to_alternates_file(src_repo);
else {
- snprintf(src, PATH_MAX, "%s/objects", src_repo);
- snprintf(dest, PATH_MAX, "%s/objects", dest_repo);
- copy_or_link_directory(src, dest);
+ strbuf_addf(&src, "%s/objects", src_repo);
+ strbuf_addf(&dest, "%s/objects", dest_repo);
+ copy_or_link_directory(&src, &dest);
+ strbuf_release(&src);
+ strbuf_release(&dest);
}
remote = remote_get(src_repo);
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;
- char branch_top[256], key[256], value[256];
- struct strbuf reflog_msg = STRBUF_INIT;
+ 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);
if (option_bare) {
if (option_mirror)
src_ref_prefix = "refs/";
- strcpy(branch_top, src_ref_prefix);
+ strbuf_addstr(&branch_top, src_ref_prefix);
git_config_set("core.bare", "true");
} else {
- snprintf(branch_top, sizeof(branch_top),
- "refs/remotes/%s/", option_origin);
+ 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, "^$", 0);
+ strbuf_reset(&key);
+
if (option_mirror) {
- snprintf(key, sizeof(key),
- "remote.%s.mirror", option_origin);
- git_config_set(key, "true");
+ strbuf_addf(&key, "remote.%s.mirror", option_origin);
+ git_config_set(key.buf, "true");
+ strbuf_reset(&key);
}
- snprintf(key, sizeof(key), "remote.%s.url", option_origin);
- git_config_set(key, repo);
-
- snprintf(key, sizeof(key), "remote.%s.fetch", option_origin);
- snprintf(value, sizeof(value),
- "+%s*:%s*", src_ref_prefix, branch_top);
- git_config_set_multivar(key, value, "^$", 0);
+ strbuf_addf(&key, "remote.%s.url", option_origin);
+ git_config_set(key.buf, repo);
+ strbuf_reset(&key);
}
- refspec.force = 0;
- refspec.pattern = 1;
- refspec.src = src_ref_prefix;
- refspec.dst = branch_top;
+ fetch_pattern = value.buf;
+ refspec = parse_fetch_refspec(1, &fetch_pattern);
+
+ strbuf_reset(&value);
if (path && !is_bundle)
refs = clone_local(path, git_dir);
if (option_quiet)
transport->verbose = -1;
+ else if (option_verbose)
+ transport->progress = 1;
if (option_upload_pack)
transport_set_option(transport, TRANS_OPT_UPLOADPACK,
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->old_sha1,
NULL, 0, DIE_ON_ERR);
- strbuf_addstr(&head_ref, branch_top);
+ strbuf_addstr(&head_ref, branch_top.buf);
strbuf_addstr(&head_ref, "HEAD");
/* Remote branch link */
head_points_at->peer_ref->name,
reflog_msg.buf);
- snprintf(key, sizeof(key), "branch.%s.remote", head);
- git_config_set(key, option_origin);
- snprintf(key, sizeof(key), "branch.%s.merge", head);
- git_config_set(key, 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(&branch_top);
+ strbuf_release(&key);
+ strbuf_release(&value);
junk_pid = 0;
- return 0;
+ return err;
}