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Diffstat (limited to 'builtin/clone.c')
-rw-r--r--builtin/clone.c91
1 files changed, 62 insertions, 29 deletions
diff --git a/builtin/clone.c b/builtin/clone.c
index f7e17d2295..101c27a593 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -25,6 +25,8 @@
#include "remote.h"
#include "run-command.h"
#include "connected.h"
+#include "packfile.h"
+#include "list-objects-filter-options.h"
/*
* Overall FIXMEs:
@@ -59,6 +61,7 @@ static struct string_list option_optional_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 int recurse_submodules_cb(const struct option *opt,
const char *arg, int unset)
@@ -134,6 +137,7 @@ static struct option builtin_clone_options[] = {
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_END()
};
@@ -451,7 +455,8 @@ static void clone_local(const char *src_repo, const char *dest_repo)
{
if (option_shared) {
struct strbuf alt = STRBUF_INIT;
- strbuf_addf(&alt, "%s/objects", src_repo);
+ get_common_dir(&alt, src_repo);
+ strbuf_addstr(&alt, "/objects");
add_to_alternates_file(alt.buf);
strbuf_release(&alt);
} else {
@@ -471,7 +476,9 @@ static void clone_local(const char *src_repo, const char *dest_repo)
}
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,
@@ -500,14 +507,14 @@ 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);
- strbuf_reset(&sb);
+ remove_dir_recursively(&sb, junk_work_tree_flags);
}
+ strbuf_release(&sb);
}
static void remove_junk_on_signal(int signo)
@@ -587,7 +594,7 @@ static void write_remote_refs(const struct ref *local_refs)
for (r = local_refs; r; r = r->next) {
if (!r->peer_ref)
continue;
- if (ref_transaction_create(t, r->peer_ref->name, r->old_oid.hash,
+ if (ref_transaction_create(t, r->peer_ref->name, &r->old_oid,
0, NULL, &err))
die("%s", err.buf);
}
@@ -609,12 +616,12 @@ static void write_followtags(const struct ref *refs, const char *msg)
continue;
if (!has_object_file(&ref->old_oid))
continue;
- update_ref(msg, ref->name, ref->old_oid.hash,
- NULL, 0, UPDATE_REFS_DIE_ON_ERR);
+ update_ref(msg, ref->name, &ref->old_oid, NULL, 0,
+ UPDATE_REFS_DIE_ON_ERR);
}
}
-static int iterate_ref_map(void *cb_data, unsigned char sha1[20])
+static int iterate_ref_map(void *cb_data, struct object_id *oid)
{
struct ref **rm = cb_data;
struct ref *ref = *rm;
@@ -629,7 +636,7 @@ static int iterate_ref_map(void *cb_data, unsigned char sha1[20])
if (!ref)
return -1;
- hashcpy(sha1, ref->old_oid.hash);
+ oidcpy(oid, &ref->old_oid);
*rm = ref->next;
return 0;
}
@@ -681,23 +688,23 @@ static void update_head(const struct ref *our, const struct ref *remote,
if (create_symref("HEAD", our->name, NULL) < 0)
die(_("unable to update HEAD"));
if (!option_bare) {
- update_ref(msg, "HEAD", our->old_oid.hash, NULL, 0,
+ update_ref(msg, "HEAD", &our->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);
/* --branch specifies a non-branch (i.e. tags), detach HEAD */
- update_ref(msg, "HEAD", c->object.oid.hash,
- NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
+ update_ref(msg, "HEAD", &c->object.oid, NULL, REF_NO_DEREF,
+ UPDATE_REFS_DIE_ON_ERR);
} else if (remote) {
/*
* We know remote HEAD points to a non-branch, or
* HEAD points to a branch but we don't know which one.
* Detach HEAD in all these cases.
*/
- update_ref(msg, "HEAD", remote->old_oid.hash,
- NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
+ update_ref(msg, "HEAD", &remote->old_oid, NULL, REF_NO_DEREF,
+ UPDATE_REFS_DIE_ON_ERR);
}
}
@@ -705,7 +712,7 @@ static int checkout(int submodule_progress)
{
struct object_id oid;
char *head;
- struct lock_file *lock_file;
+ struct lock_file lock_file = LOCK_INIT;
struct unpack_trees_options opts;
struct tree *tree;
struct tree_desc t;
@@ -714,7 +721,7 @@ static int checkout(int submodule_progress)
if (option_no_checkout)
return 0;
- head = resolve_refdup("HEAD", RESOLVE_REF_READING, oid.hash, NULL);
+ head = resolve_refdup("HEAD", RESOLVE_REF_READING, &oid, NULL);
if (!head) {
warning(_("remote HEAD refers to nonexistent ref, "
"unable to checkout.\n"));
@@ -732,8 +739,7 @@ static int checkout(int submodule_progress)
/* We need to be in the new work tree for the checkout */
setup_work_tree();
- lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
+ hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
memset(&opts, 0, sizeof opts);
opts.update = 1;
@@ -749,7 +755,7 @@ static int checkout(int submodule_progress)
if (unpack_trees(1, &t, &opts) < 0)
die(_("unable to checkout working tree"));
- if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
+ 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),
@@ -862,10 +868,15 @@ static void dissociate_from_references(void)
free(alternates);
}
+static int dir_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;
int dest_exists;
@@ -885,6 +896,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
struct refspec *refspec;
const char *fetch_pattern;
+ fetch_if_missing = 0;
+
packet_trace_identity("clone");
argc = parse_options(argc, argv, prefix, builtin_clone_options,
builtin_clone_usage, 0);
@@ -937,7 +950,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
dir = guess_dir_name(repo_name, is_bundle, option_bare);
strip_trailing_slashes(dir);
- dest_exists = !stat(dir, &buf);
+ dest_exists = dir_exists(dir);
if (dest_exists && !is_empty_dir(dir))
die(_("destination path '%s' already exists and is not "
"an empty directory."), dir);
@@ -948,7 +961,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
work_tree = NULL;
else {
work_tree = getenv("GIT_WORK_TREE");
- if (work_tree && !stat(work_tree, &buf))
+ if (work_tree && dir_exists(work_tree))
die(_("working tree '%s' already exists."), work_tree);
}
@@ -966,14 +979,24 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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 (dir_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);
@@ -1072,6 +1095,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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"));
@@ -1082,9 +1107,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
warning(_("--local is ignored"));
transport->cloning = 1;
- 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");
if (option_depth)
@@ -1103,7 +1125,13 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
transport_set_option(transport, TRANS_OPT_UPLOADPACK,
option_upload_pack);
- if (transport->smart_options && !deepen)
+ if (filter_options.choice) {
+ transport_set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER,
+ filter_options.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);
@@ -1163,13 +1191,17 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
write_refspec_config(src_ref_prefix, our_head_points_at,
remote_head_points_at, &branch_top);
+ if (filter_options.choice)
+ partial_clone_register("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 && !filter_options.choice);
update_head(our_head_points_at, remote_head, reflog_msg.buf);
@@ -1190,6 +1222,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
}
junk_mode = JUNK_LEAVE_REPO;
+ fetch_if_missing = 1;
err = checkout(submodule_progress);
strbuf_release(&reflog_msg);