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-rw-r--r--builtin/clone.c110
1 files changed, 65 insertions, 45 deletions
diff --git a/builtin/clone.c b/builtin/clone.c
index 552f3409e3..d5e7532105 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -9,6 +9,7 @@
*/
#include "builtin.h"
+#include "lockfile.h"
#include "parse-options.h"
#include "fetch-pack.h"
#include "refs.h"
@@ -62,23 +63,22 @@ static struct option builtin_clone_options[] = {
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")),
@@ -253,6 +253,12 @@ static int add_one_reference(struct string_list_item *item, void *cb_data)
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);
@@ -385,7 +391,6 @@ static void clone_local(const char *src_repo, const char *dest_repo)
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,
@@ -412,8 +417,6 @@ static void remove_junk(void)
break;
}
- if (getpid() != junk_pid)
- return;
if (junk_git_dir) {
strbuf_addstr(&sb, junk_git_dir);
remove_dir_recursively(&sb, 0);
@@ -509,14 +512,14 @@ 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);
}
}
@@ -557,7 +560,7 @@ static void update_remote_refs(const struct ref *refs,
0, &rm, transport))
die(_("remote did not send all necessary objects"));
if (transport->progress)
- fprintf(stderr, _("done\n"));
+ fprintf(stderr, _("done.\n"));
}
if (refs) {
@@ -579,19 +582,20 @@ static void update_remote_refs(const struct ref *refs,
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
@@ -599,7 +603,7 @@ static void update_head(const struct ref *our, const struct ref *remote,
* 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);
}
}
@@ -611,12 +615,12 @@ static int checkout(void)
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"));
@@ -626,7 +630,7 @@ static int checkout(void)
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);
@@ -635,7 +639,7 @@ static int checkout(void)
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;
@@ -651,12 +655,11 @@ static int checkout(void)
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);
@@ -680,9 +683,10 @@ static void write_config(struct string_list *config)
}
}
-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;
@@ -690,16 +694,19 @@ static void write_refspec_config(const char* src_ref_prefix,
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
@@ -750,8 +757,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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);
@@ -791,11 +796,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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."));
- if (option_local > 0 && !is_local)
- warning(_("--local is ignored"));
+
+ /* 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]);
@@ -884,6 +888,20 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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 (!transport->get_refs_list || (!is_local && !transport->fetch))
die(_("Don't know how to clone %s"), transport->url);
@@ -983,5 +1001,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
strbuf_release(&key);
strbuf_release(&value);
junk_mode = JUNK_LEAVE_ALL;
+
+ free(refspec);
return err;
}