*/
#include "builtin.h"
+#include "lockfile.h"
#include "parse-options.h"
#include "fetch-pack.h"
#include "refs.h"
#include "transport.h"
#include "strbuf.h"
#include "dir.h"
-#include "pack-refs.h"
#include "sigchain.h"
#include "branch.h"
#include "remote.h"
#include "run-command.h"
+#include "connected.h"
/*
* Overall FIXMEs:
*
*/
static const char * const builtin_clone_usage[] = {
- N_("git clone [options] [--] <repo> [<dir>]"),
+ N_("git clone [<options>] [--] <repo> [<dir>]"),
NULL
};
static int option_progress = -1;
static struct string_list option_config;
static struct string_list option_reference;
+static int option_dissociate;
static int opt_parse_reference(const struct option *opt, const char *arg, int unset)
{
OPT__VERBOSITY(&option_verbosity),
OPT_BOOL(0, "progress", &option_progress,
N_("force progress reporting")),
- OPT_BOOLEAN('n', "no-checkout", &option_no_checkout,
- N_("don't create a checkout")),
- OPT_BOOLEAN(0, "bare", &option_bare, N_("create a bare repository")),
- { OPTION_BOOLEAN, 0, "naked", &option_bare, NULL,
- N_("create a bare repository"),
- PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
- OPT_BOOLEAN(0, "mirror", &option_mirror,
- N_("create a mirror repository (implies bare)")),
+ OPT_BOOL('n', "no-checkout", &option_no_checkout,
+ N_("don't create a checkout")),
+ OPT_BOOL(0, "bare", &option_bare, N_("create a bare repository")),
+ OPT_HIDDEN_BOOL(0, "naked", &option_bare,
+ N_("create a bare repository")),
+ OPT_BOOL(0, "mirror", &option_mirror,
+ 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,
+ OPT_BOOL(0, "no-hardlinks", &option_no_hardlinks,
N_("don't use local hardlinks, always copy")),
- OPT_BOOLEAN('s', "shared", &option_shared,
+ OPT_BOOL('s', "shared", &option_shared,
N_("setup as shared repository")),
- OPT_BOOLEAN(0, "recursive", &option_recursive,
+ OPT_BOOL(0, "recursive", &option_recursive,
N_("initialize submodules in the clone")),
- OPT_BOOLEAN(0, "recurse-submodules", &option_recursive,
+ OPT_BOOL(0, "recurse-submodules", &option_recursive,
N_("initialize submodules in the clone")),
OPT_STRING(0, "template", &option_template, N_("template-directory"),
N_("directory from which templates will be used")),
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_BOOL(0, "dissociate", &option_dissociate,
+ N_("use --reference only while cloning")),
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"),
static int add_one_reference(struct string_list_item *item, void *cb_data)
{
char *ref_git;
+ const char *repo;
struct strbuf alternate = STRBUF_INIT;
- /* Beware: real_path() and mkpath() return static buffer */
+ /* Beware: read_gitfile(), real_path() and mkpath() return static buffer */
ref_git = xstrdup(real_path(item->string));
- if (is_directory(mkpath("%s/.git/objects", ref_git))) {
+
+ repo = read_gitfile(ref_git);
+ if (!repo)
+ repo = read_gitfile(mkpath("%s/.git", ref_git));
+ if (repo) {
+ free(ref_git);
+ ref_git = xstrdup(repo);
+ }
+
+ if (!repo && is_directory(mkpath("%s/.git/objects", 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)))
- die(_("reference repository '%s' is not a local directory."),
+ die(_("reference repository '%s' is not a local repository."),
item->string);
+ if (!access(mkpath("%s/shallow", ref_git), F_OK))
+ die(_("reference repository '%s' is shallow"), item->string);
+
+ if (!access(mkpath("%s/info/grafts", ref_git), F_OK))
+ die(_("reference repository '%s' is grafted"), item->string);
+
strbuf_addf(&alternate, "%s/objects", ref_git);
add_to_alternates_file(alternate.buf);
strbuf_release(&alternate);
}
if (0 <= option_verbosity)
- printf(_("done.\n"));
+ fprintf(stderr, _("done.\n"));
}
static const char *junk_work_tree;
static const char *junk_git_dir;
-static pid_t junk_pid;
+static enum {
+ JUNK_LEAVE_NONE,
+ JUNK_LEAVE_REPO,
+ JUNK_LEAVE_ALL
+} junk_mode = JUNK_LEAVE_NONE;
+
+static const char junk_leave_repo_msg[] =
+N_("Clone succeeded, but checkout failed.\n"
+ "You can inspect what was checked out with 'git status'\n"
+ "and retry the checkout with 'git checkout -f HEAD'\n");
static void remove_junk(void)
{
struct strbuf sb = STRBUF_INIT;
- if (getpid() != junk_pid)
+
+ switch (junk_mode) {
+ case JUNK_LEAVE_REPO:
+ warning("%s", _(junk_leave_repo_msg));
+ /* fall-through */
+ case JUNK_LEAVE_ALL:
return;
+ default:
+ /* proceed to removal */
+ break;
+ }
+
if (junk_git_dir) {
strbuf_addstr(&sb, junk_git_dir);
remove_dir_recursively(&sb, 0);
{
const struct ref *r;
+ lock_packed_refs(LOCK_DIE_ON_ERROR);
+
for (r = local_refs; r; r = r->next) {
if (!r->peer_ref)
continue;
add_packed_ref(r->peer_ref->name, r->old_sha1);
}
- pack_refs(PACK_REFS_ALL);
+ if (commit_packed_refs())
+ die_errno("unable to overwrite old ref-pack file");
}
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/"))
+ if (!starts_with(ref->name, "refs/tags/"))
continue;
- if (!suffixcmp(ref->name, "^{}"))
+ if (ends_with(ref->name, "^{}"))
continue;
if (!has_sha1_file(ref->old_sha1))
continue;
update_ref(msg, ref->name, ref->old_sha1,
- NULL, 0, DIE_ON_ERR);
+ NULL, 0, UPDATE_REFS_DIE_ON_ERR);
}
}
+static int iterate_ref_map(void *cb_data, unsigned char sha1[20])
+{
+ struct ref **rm = cb_data;
+ struct ref *ref = *rm;
+
+ /*
+ * Skip anything missing a peer_ref, which we are not
+ * actually going to write a ref for.
+ */
+ while (ref && !ref->peer_ref)
+ ref = ref->next;
+ /* Returning -1 notes "end of list" to the caller. */
+ if (!ref)
+ return -1;
+
+ hashcpy(sha1, ref->old_sha1);
+ *rm = ref->next;
+ return 0;
+}
+
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)
+ const char *msg,
+ struct transport *transport,
+ int check_connectivity)
{
+ const struct ref *rm = mapped_refs;
+
+ if (check_connectivity) {
+ if (transport->progress)
+ fprintf(stderr, _("Checking connectivity... "));
+ if (check_everything_connected_with_transport(iterate_ref_map,
+ 0, &rm, transport))
+ die(_("remote did not send all necessary objects"));
+ if (transport->progress)
+ fprintf(stderr, _("done.\n"));
+ }
+
if (refs) {
write_remote_refs(mapped_refs);
if (option_single_branch)
static void update_head(const struct ref *our, const struct ref *remote,
const char *msg)
{
- if (our && !prefixcmp(our->name, "refs/heads/")) {
+ const char *head;
+ if (our && skip_prefix(our->name, "refs/heads/", &head)) {
/* 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);
+ update_ref(msg, "HEAD", our->old_sha1, NULL, 0,
+ UPDATE_REFS_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);
+ NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
} else if (remote) {
/*
* We know remote HEAD points to a non-branch, or
* Detach HEAD in all these cases.
*/
update_ref(msg, "HEAD", remote->old_sha1,
- NULL, REF_NODEREF, DIE_ON_ERR);
+ NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
}
}
struct unpack_trees_options opts;
struct tree *tree;
struct tree_desc t;
- int err = 0, fd;
+ int err = 0;
if (option_no_checkout)
return 0;
- head = resolve_refdup("HEAD", sha1, 1, NULL);
+ head = resolve_refdup("HEAD", RESOLVE_REF_READING, sha1, NULL);
if (!head) {
warning(_("remote HEAD refers to nonexistent ref, "
"unable to checkout.\n"));
if (advice_detached_head)
detach_advice(sha1_to_hex(sha1));
} else {
- if (prefixcmp(head, "refs/heads/"))
+ if (!starts_with(head, "refs/heads/"))
die(_("HEAD not found below refs/heads!"));
}
free(head);
setup_work_tree();
lock_file = xcalloc(1, sizeof(struct lock_file));
- fd = hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, 1);
memset(&opts, 0, sizeof opts);
opts.update = 1;
tree = parse_tree_indirect(sha1);
parse_tree(tree);
init_tree_desc(&t, tree->buffer, tree->size);
- unpack_trees(1, &t, &opts);
+ if (unpack_trees(1, &t, &opts) < 0)
+ die(_("unable to checkout working tree"));
- if (write_cache(fd, active_cache, active_nr) ||
- commit_locked_index(lock_file))
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
die(_("unable to write new index file"));
- err |= run_hook(NULL, "post-checkout", sha1_to_hex(null_sha1),
- sha1_to_hex(sha1), "1", NULL);
+ err |= run_hook_le(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);
}
}
-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)
+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/"))
+ if (starts_with(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) {
+ const char *head = remote_head_points_at->name;
+ if (!skip_prefix(head, "refs/heads/", &head))
+ die("BUG: remote HEAD points at non-head?");
+
strbuf_addf(&value, "+%s:%s%s", remote_head_points_at->name,
- branch_top->buf,
- skip_prefix(remote_head_points_at->name, "refs/heads/"));
+ branch_top->buf, head);
}
/*
* otherwise, the next "git fetch" will
* simply fetch from HEAD without updating
- * any remote tracking branch, which is what
+ * any remote-tracking branch, which is what
* we want.
*/
} else {
strbuf_release(&value);
}
+static void dissociate_from_references(void)
+{
+ static const char* argv[] = { "repack", "-a", "-d", NULL };
+
+ if (run_command_v_opt(argv, RUN_GIT_CMD|RUN_COMMAND_NO_STDIN))
+ die(_("cannot repack to clean up"));
+ if (unlink(git_path("objects/info/alternates")) && errno != ENOENT)
+ die_errno(_("cannot unlink temporary alternates file"));
+}
+
int cmd_clone(int argc, const char **argv, const char *prefix)
{
int is_bundle = 0, is_local;
struct refspec *refspec;
const char *fetch_pattern;
- junk_pid = getpid();
-
packet_trace_identity("clone");
argc = parse_options(argc, argv, prefix, builtin_clone_options,
builtin_clone_usage, 0);
if (option_origin)
die(_("--bare and --origin %s options are incompatible."),
option_origin);
+ if (real_git_dir)
+ die(_("--bare and --separate-git-dir are incompatible."));
option_no_checkout = 1;
}
die(_("repository '%s' does not exist"), repo_name);
else
repo = repo_name;
- is_local = option_local != 0 && path && !is_bundle;
- if (is_local && option_depth)
- warning(_("--depth is ignored in local clones; use file:// instead."));
+
+ /* no need to be strict, transport_set_option() will validate it again */
+ if (option_depth && atoi(option_depth) < 1)
+ die(_("depth %s is not a positive number"), option_depth);
if (argc == 2)
dir = xstrdup(argv[1]);
git_dir = mkpathdup("%s/.git", dir);
}
+ atexit(remove_junk);
+ sigchain_push_common(remove_junk_on_signal);
+
if (!option_bare) {
- junk_work_tree = work_tree;
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, 0777))
- die_errno(_("could not create work tree dir '%s'."),
+ die_errno(_("could not create work tree dir '%s'"),
work_tree);
+ junk_work_tree = work_tree;
set_git_work_tree(work_tree);
}
- junk_git_dir = git_dir;
- atexit(remove_junk);
- sigchain_push_common(remove_junk_on_signal);
-
- setenv(CONFIG_ENVIRONMENT, mkpath("%s/config", git_dir), 1);
+ junk_git_dir = git_dir;
if (safe_create_leading_directories_const(git_dir) < 0)
die(_("could not create leading directories of '%s'"), git_dir);
if (0 <= option_verbosity) {
if (option_bare)
- printf(_("Cloning into bare repository '%s'...\n"), dir);
+ fprintf(stderr, _("Cloning into bare repository '%s'...\n"), dir);
else
- printf(_("Cloning into '%s'...\n"), dir);
+ fprintf(stderr, _("Cloning into '%s'...\n"), dir);
}
init_db(option_template, INIT_DB_QUIET);
write_config(&option_config);
- /*
- * At this point, the config exists, so we do not need the
- * environment variable. We actually need to unset it, too, to
- * re-enable parsing of the global configs.
- */
- unsetenv(CONFIG_ENVIRONMENT);
-
git_config(git_default_config, NULL);
if (option_bare) {
if (option_reference.nr)
setup_reference();
+ else if (option_dissociate) {
+ warning(_("--dissociate given, but there is no --reference"));
+ option_dissociate = 0;
+ }
fetch_pattern = value.buf;
refspec = parse_fetch_refspec(1, &fetch_pattern);
remote = remote_get(option_origin);
transport = transport_get(remote, remote->url[0]);
+ path = get_repo_path(remote->url[0], &is_bundle);
+ is_local = option_local != 0 && path && !is_bundle;
+ if (is_local) {
+ if (option_depth)
+ warning(_("--depth is ignored in local clones; use file:// instead."));
+ if (!access(mkpath("%s/shallow", path), F_OK)) {
+ if (option_local > 0)
+ warning(_("source repository is shallow, ignoring --local"));
+ is_local = 0;
+ }
+ }
+ if (option_local > 0 && !is_local)
+ warning(_("--local is ignored"));
+ transport->cloning = 1;
- if (!is_local) {
- if (!transport->get_refs_list || !transport->fetch)
- die(_("Don't know how to clone %s"), transport->url);
+ if (!transport->get_refs_list || (!is_local && !transport->fetch))
+ die(_("Don't know how to clone %s"), transport->url);
- transport_set_option(transport, TRANS_OPT_KEEP, "yes");
+ transport_set_option(transport, TRANS_OPT_KEEP, "yes");
- if (option_depth)
- transport_set_option(transport, TRANS_OPT_DEPTH,
- option_depth);
- if (option_single_branch)
- transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
+ 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);
+ transport_set_verbosity(transport, option_verbosity, option_progress);
- if (option_upload_pack)
- transport_set_option(transport, TRANS_OPT_UPLOADPACK,
- option_upload_pack);
- }
+ if (option_upload_pack)
+ transport_set_option(transport, TRANS_OPT_UPLOADPACK,
+ option_upload_pack);
+
+ if (transport->smart_options && !option_depth)
+ transport->smart_options->check_self_contained_and_connected = 1;
refs = transport_get_remote_refs(transport);
our_head_points_at = remote_head_points_at;
}
else {
+ if (option_branch)
+ die(_("Remote branch %s not found in upstream %s"),
+ option_branch, option_origin);
+
warning(_("You appear to have cloned an empty repository."));
mapped_refs = NULL;
our_head_points_at = NULL;
transport_fetch_refs(transport, mapped_refs);
update_remote_refs(refs, mapped_refs, remote_head_points_at,
- branch_top.buf, reflog_msg.buf);
+ branch_top.buf, reflog_msg.buf, transport, !is_local);
update_head(our_head_points_at, remote_head, reflog_msg.buf);
transport_unlock_pack(transport);
transport_disconnect(transport);
+ if (option_dissociate)
+ dissociate_from_references();
+
+ junk_mode = JUNK_LEAVE_REPO;
err = checkout();
strbuf_release(&reflog_msg);
strbuf_release(&branch_top);
strbuf_release(&key);
strbuf_release(&value);
- junk_pid = 0;
+ junk_mode = JUNK_LEAVE_ALL;
+
+ free(refspec);
return err;
}
projects / platform / upstream / git.git / blobdiff