* Clone a repository into a different directory that does not yet exist.
*/
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
#include "builtin.h"
#include "config.h"
#include "lockfile.h"
#include "parse-options.h"
#include "fetch-pack.h"
#include "refs.h"
+#include "refspec.h"
+#include "object-store.h"
#include "tree.h"
#include "tree-walk.h"
#include "unpack-trees.h"
#include "transport.h"
#include "strbuf.h"
#include "dir.h"
+#include "dir-iterator.h"
+#include "iterator.h"
#include "sigchain.h"
#include "branch.h"
#include "remote.h"
#include "run-command.h"
#include "connected.h"
#include "packfile.h"
+#include "list-objects-filter-options.h"
/*
* Overall FIXMEs:
static char *option_upload_pack = "git-upload-pack";
static int option_verbosity;
static int option_progress = -1;
+static int option_sparse_checkout;
static enum transport_family family;
static struct string_list option_config = STRING_LIST_INIT_NODUP;
static struct string_list option_required_reference = STRING_LIST_INIT_NODUP;
static int option_dissociate;
static int max_jobs = -1;
static struct string_list option_recurse_submodules = STRING_LIST_INIT_NODUP;
+static struct list_objects_filter_options filter_options;
+static struct string_list server_options = STRING_LIST_INIT_NODUP;
+static int option_remote_submodules;
static int recurse_submodules_cb(const struct option *opt,
const char *arg, int unset)
N_("don't use local hardlinks, always copy")),
OPT_BOOL('s', "shared", &option_shared,
N_("setup as shared repository")),
- { OPTION_CALLBACK, 0, "recursive", &option_recurse_submodules,
- N_("pathspec"), N_("initialize submodules in the clone"),
- PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, recurse_submodules_cb,
- (intptr_t)"." },
{ OPTION_CALLBACK, 0, "recurse-submodules", &option_recurse_submodules,
N_("pathspec"), N_("initialize submodules in the clone"),
PARSE_OPT_OPTARG, recurse_submodules_cb, (intptr_t)"." },
+ OPT_ALIAS(0, "recursive", "recurse-submodules"),
OPT_INTEGER('j', "jobs", &max_jobs,
N_("number of submodules cloned in parallel")),
OPT_STRING(0, "template", &option_template, N_("template-directory"),
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_STRING_LIST(0, "server-option", &server_options,
+ N_("server-specific"), N_("option to transmit")),
OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
TRANSPORT_FAMILY_IPV4),
OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
TRANSPORT_FAMILY_IPV6),
+ OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
+ OPT_BOOL(0, "remote-submodules", &option_remote_submodules,
+ N_("any cloned submodules will use their remote-tracking branch")),
+ OPT_BOOL(0, "sparse", &option_sparse_checkout,
+ N_("initialize sparse-checkout file to include only files at root")),
OPT_END()
};
add_one_reference, &required);
}
-static void copy_alternates(struct strbuf *src, struct strbuf *dst,
- const char *src_repo)
+static void copy_alternates(struct strbuf *src, const char *src_repo)
{
/*
* Read from the source objects/info/alternates file
fclose(in);
}
+static void mkdir_if_missing(const char *pathname, mode_t mode)
+{
+ struct stat st;
+
+ if (!mkdir(pathname, mode))
+ return;
+
+ if (errno != EEXIST)
+ die_errno(_("failed to create directory '%s'"), pathname);
+ else if (stat(pathname, &st))
+ die_errno(_("failed to stat '%s'"), pathname);
+ else if (!S_ISDIR(st.st_mode))
+ die(_("%s exists and is not a directory"), pathname);
+}
+
static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest,
- const char *src_repo, int src_baselen)
+ const char *src_repo)
{
- struct dirent *de;
- struct stat buf;
int src_len, dest_len;
- DIR *dir;
-
- dir = opendir(src->buf);
- if (!dir)
- die_errno(_("failed to open '%s'"), src->buf);
-
- if (mkdir(dest->buf, 0777)) {
- if (errno != EEXIST)
- die_errno(_("failed to create directory '%s'"), dest->buf);
- else if (stat(dest->buf, &buf))
- die_errno(_("failed to stat '%s'"), dest->buf);
- else if (!S_ISDIR(buf.st_mode))
- die(_("%s exists and is not a directory"), dest->buf);
- }
+ struct dir_iterator *iter;
+ int iter_status;
+ unsigned int flags;
+ struct strbuf realpath = STRBUF_INIT;
+
+ mkdir_if_missing(dest->buf, 0777);
+
+ flags = DIR_ITERATOR_PEDANTIC | DIR_ITERATOR_FOLLOW_SYMLINKS;
+ iter = dir_iterator_begin(src->buf, flags);
+
+ if (!iter)
+ die_errno(_("failed to start iterator over '%s'"), src->buf);
strbuf_addch(src, '/');
src_len = src->len;
strbuf_addch(dest, '/');
dest_len = dest->len;
- while ((de = readdir(dir)) != NULL) {
+ while ((iter_status = dir_iterator_advance(iter)) == ITER_OK) {
strbuf_setlen(src, src_len);
- strbuf_addstr(src, de->d_name);
+ strbuf_addstr(src, iter->relative_path);
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)) {
- if (de->d_name[0] != '.')
- copy_or_link_directory(src, dest,
- src_repo, src_baselen);
+ strbuf_addstr(dest, iter->relative_path);
+
+ if (S_ISDIR(iter->st.st_mode)) {
+ mkdir_if_missing(dest->buf, 0777);
continue;
}
/* Files that cannot be copied bit-for-bit... */
- if (!strcmp(src->buf + src_baselen, "/info/alternates")) {
- copy_alternates(src, dest, src_repo);
+ if (!fspathcmp(iter->relative_path, "info/alternates")) {
+ copy_alternates(src, src_repo);
continue;
}
if (unlink(dest->buf) && errno != ENOENT)
die_errno(_("failed to unlink '%s'"), dest->buf);
if (!option_no_hardlinks) {
- if (!link(src->buf, dest->buf))
+ strbuf_realpath(&realpath, src->buf, 1);
+ if (!link(realpath.buf, dest->buf))
continue;
if (option_local > 0)
die_errno(_("failed to create link '%s'"), dest->buf);
if (copy_file_with_time(dest->buf, src->buf, 0666))
die_errno(_("failed to copy file to '%s'"), dest->buf);
}
- closedir(dir);
+
+ if (iter_status != ITER_DONE) {
+ strbuf_setlen(src, src_len);
+ die(_("failed to iterate over '%s'"), src->buf);
+ }
+
+ strbuf_release(&realpath);
}
static void clone_local(const char *src_repo, const char *dest_repo)
get_common_dir(&dest, dest_repo);
strbuf_addstr(&src, "/objects");
strbuf_addstr(&dest, "/objects");
- copy_or_link_directory(&src, &dest, src_repo, src.len);
+ copy_or_link_directory(&src, &dest, src_repo);
strbuf_release(&src);
strbuf_release(&dest);
}
}
static const char *junk_work_tree;
+static int junk_work_tree_flags;
static const char *junk_git_dir;
+static int junk_git_dir_flags;
static enum {
JUNK_LEAVE_NONE,
JUNK_LEAVE_REPO,
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");
+ "and retry with 'git restore --source=HEAD :/'\n");
static void remove_junk(void)
{
if (junk_git_dir) {
strbuf_addstr(&sb, junk_git_dir);
- remove_dir_recursively(&sb, 0);
+ remove_dir_recursively(&sb, junk_git_dir_flags);
strbuf_reset(&sb);
}
if (junk_work_tree) {
strbuf_addstr(&sb, junk_work_tree);
- remove_dir_recursively(&sb, 0);
+ remove_dir_recursively(&sb, junk_work_tree_flags);
}
strbuf_release(&sb);
}
warning(_("Could not find remote branch %s to clone."),
option_branch);
else {
- get_fetch_map(remote_head, refspec, &tail, 0);
+ int i;
+ for (i = 0; i < refspec->nr; i++)
+ get_fetch_map(remote_head, &refspec->items[i],
+ &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);
+ } else {
+ int i;
+ for (i = 0; i < refspec->nr; i++)
+ get_fetch_map(refs, &refspec->items[i], &tail, 0);
+ }
if (!option_mirror && !option_single_branch && !option_no_tags)
get_fetch_map(refs, tag_refspec, &tail, 0);
continue;
if (ends_with(ref->name, "^{}"))
continue;
- if (!has_object_file(&ref->old_oid))
+ if (!has_object_file_with_flags(&ref->old_oid,
+ OBJECT_INFO_QUICK |
+ OBJECT_INFO_SKIP_FETCH_OBJECT))
continue;
update_ref(msg, ref->name, &ref->old_oid, 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_oid);
+ struct commit *c = lookup_commit_reference(the_repository,
+ &our->old_oid);
/* --branch specifies a non-branch (i.e. tags), detach HEAD */
update_ref(msg, "HEAD", &c->object.oid, NULL, REF_NO_DEREF,
UPDATE_REFS_DIE_ON_ERR);
}
}
+static int git_sparse_checkout_init(const char *repo)
+{
+ struct argv_array argv = ARGV_ARRAY_INIT;
+ int result = 0;
+ argv_array_pushl(&argv, "-C", repo, "sparse-checkout", "init", NULL);
+
+ /*
+ * We must apply the setting in the current process
+ * for the later checkout to use the sparse-checkout file.
+ */
+ core_apply_sparse_checkout = 1;
+
+ if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) {
+ error(_("failed to initialize sparse-checkout"));
+ result = 1;
+ }
+
+ argv_array_clear(&argv);
+ return result;
+}
+
static int checkout(int submodule_progress)
{
struct object_id oid;
if (!strcmp(head, "HEAD")) {
if (advice_detached_head)
detach_advice(oid_to_hex(&oid));
+ FREE_AND_NULL(head);
} else {
if (!starts_with(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();
memset(&opts, 0, sizeof opts);
opts.update = 1;
opts.merge = 1;
+ opts.clone = 1;
opts.fn = oneway_merge;
opts.verbose_update = (option_verbosity >= 0);
opts.src_index = &the_index;
opts.dst_index = &the_index;
+ init_checkout_metadata(&opts.meta, head, &oid, NULL);
tree = parse_tree_indirect(&oid);
parse_tree(tree);
if (unpack_trees(1, &t, &opts) < 0)
die(_("unable to checkout working tree"));
+ free(head);
+
if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die(_("unable to write new index file"));
- err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
+ err |= run_hook_le(NULL, "post-checkout", oid_to_hex(&null_oid),
oid_to_hex(&oid), "1", NULL);
if (!err && (option_recurse_submodules.nr > 0)) {
struct argv_array args = ARGV_ARRAY_INIT;
- argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);
+ argv_array_pushl(&args, "submodule", "update", "--require-init", "--recursive", NULL);
if (option_shallow_submodules == 1)
argv_array_push(&args, "--depth=1");
if (option_verbosity < 0)
argv_array_push(&args, "--quiet");
+ if (option_remote_submodules) {
+ argv_array_push(&args, "--remote");
+ argv_array_push(&args, "--no-fetch");
+ }
+
+ if (option_single_branch >= 0)
+ argv_array_push(&args, option_single_branch ?
+ "--single-branch" :
+ "--no-single-branch");
+
err = run_command_v_opt(args.argv, RUN_GIT_CMD);
argv_array_clear(&args);
}
} 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?");
+ BUG("remote HEAD points at non-head?");
strbuf_addf(&value, "+%s:%s%s", remote_head_points_at->name,
branch_top->buf, head);
free(alternates);
}
+static int path_exists(const char *path)
+{
+ struct stat sb;
+ return !stat(path, &sb);
+}
+
int cmd_clone(int argc, const char **argv, const char *prefix)
{
int is_bundle = 0, is_local;
- struct stat buf;
const char *repo_name, *repo, *work_tree, *git_dir;
- char *path, *dir;
+ char *path, *dir, *display_repo = NULL;
int dest_exists;
const struct ref *refs, *remote_head;
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 key = STRBUF_INIT;
+ struct strbuf default_refspec = STRBUF_INIT;
struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT;
struct transport *transport = NULL;
const char *src_ref_prefix = "refs/heads/";
int err = 0, complete_refs_before_fetch = 1;
int submodule_progress;
- struct refspec *refspec;
- const char *fetch_pattern;
+ struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
packet_trace_identity("clone");
argc = parse_options(argc, argv, prefix, builtin_clone_options,
path = get_repo_path(repo_name, &is_bundle);
if (path)
repo = absolute_pathdup(repo_name);
- else if (!strchr(repo_name, ':'))
- die(_("repository '%s' does not exist"), repo_name);
- else
+ else if (strchr(repo_name, ':')) {
repo = repo_name;
+ display_repo = transport_anonymize_url(repo);
+ } else
+ die(_("repository '%s' does not exist"), repo_name);
/* no need to be strict, transport_set_option() will validate it again */
if (option_depth && atoi(option_depth) < 1)
dir = guess_dir_name(repo_name, is_bundle, option_bare);
strip_trailing_slashes(dir);
- dest_exists = !stat(dir, &buf);
+ dest_exists = path_exists(dir);
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);
+ strbuf_addf(&reflog_msg, "clone: from %s",
+ display_repo ? display_repo : repo);
+ free(display_repo);
if (option_bare)
work_tree = NULL;
else {
work_tree = getenv("GIT_WORK_TREE");
- if (work_tree && !stat(work_tree, &buf))
+ if (work_tree && path_exists(work_tree))
die(_("working tree '%s' already exists."), 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))
+ if (dest_exists)
+ junk_work_tree_flags |= REMOVE_DIR_KEEP_TOPLEVEL;
+ else if (mkdir(work_tree, 0777))
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 = real_git_dir ? real_git_dir : git_dir;
+ if (real_git_dir) {
+ if (path_exists(real_git_dir))
+ junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL;
+ junk_git_dir = real_git_dir;
+ } else {
+ if (dest_exists)
+ junk_git_dir_flags |= REMOVE_DIR_KEEP_TOPLEVEL;
+ junk_git_dir = git_dir;
+ }
if (safe_create_leading_directories_const(git_dir) < 0)
die(_("could not create leading directories of '%s'"), git_dir);
}
}
- init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET);
+ init_db(git_dir, real_git_dir, option_template, GIT_HASH_UNKNOWN, NULL,
+ INIT_DB_QUIET);
if (real_git_dir)
git_dir = real_git_dir;
strbuf_addf(&branch_top, "refs/remotes/%s/", option_origin);
}
- strbuf_addf(&value, "+%s*:%s*", src_ref_prefix, branch_top.buf);
strbuf_addf(&key, "remote.%s.url", option_origin);
git_config_set(key.buf, repo);
strbuf_reset(&key);
if (option_required_reference.nr || option_optional_reference.nr)
setup_reference();
- fetch_pattern = value.buf;
- refspec = parse_fetch_refspec(1, &fetch_pattern);
-
- strbuf_reset(&value);
+ if (option_sparse_checkout && git_sparse_checkout_init(dir))
+ return 1;
remote = remote_get(option_origin);
+
+ strbuf_addf(&default_refspec, "+%s*:%s*", src_ref_prefix,
+ branch_top.buf);
+ refspec_append(&remote->fetch, default_refspec.buf);
+
transport = transport_get(remote, remote->url[0]);
transport_set_verbosity(transport, option_verbosity, option_progress);
transport->family = family;
warning(_("--shallow-since is ignored in local clones; use file:// instead."));
if (option_not.nr)
warning(_("--shallow-exclude is ignored in local clones; use file:// instead."));
+ if (filter_options.choice)
+ warning(_("--filter 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"));
transport_set_option(transport, TRANS_OPT_UPLOADPACK,
option_upload_pack);
- if (transport->smart_options && !deepen)
+ if (server_options.nr)
+ transport->server_options = &server_options;
+
+ if (filter_options.choice) {
+ const char *spec =
+ expand_list_objects_filter_spec(&filter_options);
+ transport_set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER,
+ spec);
+ transport_set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
+ }
+
+ if (transport->smart_options && !deepen && !filter_options.choice)
transport->smart_options->check_self_contained_and_connected = 1;
- refs = transport_get_remote_refs(transport);
+
+ argv_array_push(&ref_prefixes, "HEAD");
+ refspec_ref_prefixes(&remote->fetch, &ref_prefixes);
+ if (option_branch)
+ expand_ref_prefix(&ref_prefixes, option_branch);
+ if (!option_no_tags)
+ argv_array_push(&ref_prefixes, "refs/tags/");
+
+ refs = transport_get_remote_refs(transport, &ref_prefixes);
if (refs) {
- mapped_refs = wanted_peer_refs(refs, refspec);
+ int hash_algo = hash_algo_by_ptr(transport_get_hash_algo(transport));
+
+ /*
+ * Now that we know what algorithm the remote side is using,
+ * let's set ours to the same thing.
+ */
+ initialize_repository_version(hash_algo);
+ repo_set_hash_algo(the_repository, hash_algo);
+
+ mapped_refs = wanted_peer_refs(refs, &remote->fetch);
/*
* transport_get_remote_refs() may return refs with null sha-1
* in mapped_refs (see struct transport->get_refs_list
remote_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 (!option_bare) {
+ const char *branch = git_default_branch_name();
+ char *ref = xstrfmt("refs/heads/%s", branch);
+
+ install_branch_config(0, branch, option_origin, ref);
+ free(ref);
+ }
}
write_refspec_config(src_ref_prefix, our_head_points_at,
remote_head_points_at, &branch_top);
+ if (filter_options.choice)
+ partial_clone_register(option_origin, &filter_options);
+
if (is_local)
clone_local(path, git_dir);
else if (refs && complete_refs_before_fetch)
transport_fetch_refs(transport, mapped_refs);
update_remote_refs(refs, mapped_refs, remote_head_points_at,
- branch_top.buf, reflog_msg.buf, transport, !is_local);
+ branch_top.buf, reflog_msg.buf, transport,
+ !is_local);
update_head(our_head_points_at, remote_head, reflog_msg.buf);
transport_disconnect(transport);
if (option_dissociate) {
- close_all_packs();
+ close_object_store(the_repository->objects);
dissociate_from_references();
}
strbuf_release(&reflog_msg);
strbuf_release(&branch_top);
strbuf_release(&key);
- strbuf_release(&value);
+ strbuf_release(&default_refspec);
junk_mode = JUNK_LEAVE_ALL;
- free(refspec);
+ argv_array_clear(&ref_prefixes);
return err;
}
projects / platform / upstream / git.git / blobdiff