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Diffstat (limited to 'builtin/clone.c')
-rw-r--r--builtin/clone.c101
1 files changed, 65 insertions, 36 deletions
diff --git a/builtin/clone.c b/builtin/clone.c
index 89a91b0017..e21d42dfee 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -34,6 +34,7 @@
#include "list-objects-filter-options.h"
#include "hook.h"
#include "bundle.h"
+#include "bundle-uri.h"
/*
* Overall FIXMEs:
@@ -77,6 +78,7 @@ static int option_filter_submodules = -1; /* unspecified */
static int config_filter_submodules = -1; /* unspecified */
static struct string_list server_options = STRING_LIST_INIT_NODUP;
static int option_remote_submodules;
+static const char *bundle_uri;
static int recurse_submodules_cb(const struct option *opt,
const char *arg, int unset)
@@ -160,6 +162,8 @@ static struct option builtin_clone_options[] = {
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_STRING(0, "bundle-uri", &bundle_uri,
+ N_("uri"), N_("a URI for downloading bundles before fetching from origin remote")),
OPT_END()
};
@@ -494,6 +498,7 @@ static struct ref *wanted_peer_refs(const struct ref *refs,
/* if --branch=tag, pull the requested tag explicitly */
get_fetch_map(remote_head, tag_refspec, &tail, 0);
}
+ free_refs(remote_head);
} else {
int i;
for (i = 0; i < refspec->nr; i++)
@@ -606,7 +611,7 @@ static void update_remote_refs(const struct ref *refs,
}
static void update_head(const struct ref *our, const struct ref *remote,
- const char *msg)
+ const char *unborn, const char *msg)
{
const char *head;
if (our && skip_prefix(our->name, "refs/heads/", &head)) {
@@ -632,6 +637,15 @@ static void update_head(const struct ref *our, const struct ref *remote,
*/
update_ref(msg, "HEAD", &remote->old_oid, NULL, REF_NO_DEREF,
UPDATE_REFS_DIE_ON_ERR);
+ } else if (unborn && skip_prefix(unborn, "refs/heads/", &head)) {
+ /*
+ * Unborn head from remote; same as "our" case above except
+ * that we have no ref to update.
+ */
+ if (create_symref("HEAD", unborn, NULL) < 0)
+ die(_("unable to update HEAD"));
+ if (!option_bare)
+ install_branch_config(0, head, remote_name, unborn);
}
}
@@ -672,7 +686,7 @@ static int checkout(int submodule_progress, int filter_submodules)
head = resolve_refdup("HEAD", RESOLVE_REF_READING, &oid, NULL);
if (!head) {
warning(_("remote HEAD refers to nonexistent ref, "
- "unable to checkout.\n"));
+ "unable to checkout"));
return 0;
}
if (!strcmp(head, "HEAD")) {
@@ -876,6 +890,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
const struct ref *refs, *remote_head;
struct ref *remote_head_points_at = NULL;
const struct ref *our_head_points_at;
+ char *unborn_head = NULL;
struct ref *mapped_refs = NULL;
const struct ref *ref;
struct strbuf key = STRBUF_INIT;
@@ -922,6 +937,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
option_no_checkout = 1;
}
+ if (bundle_uri && deepen)
+ die(_("--bundle-uri is incompatible with --depth, --shallow-since, and --shallow-exclude"));
+
repo_name = argv[0];
path = get_repo_path(repo_name, &is_bundle);
@@ -1221,6 +1239,18 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (transport->smart_options && !deepen && !filter_options.choice)
transport->smart_options->check_self_contained_and_connected = 1;
+ /*
+ * Before fetching from the remote, download and install bundle
+ * data from the --bundle-uri option.
+ */
+ if (bundle_uri) {
+ /* At this point, we need the_repository to match the cloned repo. */
+ if (repo_init(the_repository, git_dir, work_tree))
+ warning(_("failed to initialize the repo, skipping bundle URI"));
+ else if (fetch_bundle_uri(the_repository, bundle_uri))
+ warning(_("failed to fetch objects from bundle URI '%s'"),
+ bundle_uri);
+ }
strvec_push(&transport_ls_refs_options.ref_prefixes, "HEAD");
refspec_ref_prefixes(&remote->fetch,
@@ -1266,51 +1296,49 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (transport_fetch_refs(transport, mapped_refs))
die(_("remote transport reported error"));
}
-
- remote_head = find_ref_by_name(refs, "HEAD");
- remote_head_points_at =
- guess_remote_head(remote_head, mapped_refs, 0);
-
- if (option_branch) {
- our_head_points_at =
- find_remote_branch(mapped_refs, option_branch);
-
- if (!our_head_points_at)
- die(_("Remote branch %s not found in upstream %s"),
- option_branch, remote_name);
- }
- else
- our_head_points_at = remote_head_points_at;
}
- else {
- const char *branch;
- const char *ref;
- char *ref_free = NULL;
- if (option_branch)
- die(_("Remote branch %s not found in upstream %s"),
- option_branch, remote_name);
+ remote_head = find_ref_by_name(refs, "HEAD");
+ remote_head_points_at = guess_remote_head(remote_head, mapped_refs, 0);
- warning(_("You appear to have cloned an empty repository."));
+ if (option_branch) {
+ our_head_points_at = find_remote_branch(mapped_refs, option_branch);
+ if (!our_head_points_at)
+ die(_("Remote branch %s not found in upstream %s"),
+ option_branch, remote_name);
+ } else if (remote_head_points_at) {
+ our_head_points_at = remote_head_points_at;
+ } else if (remote_head) {
our_head_points_at = NULL;
- remote_head_points_at = NULL;
- remote_head = NULL;
- option_no_checkout = 1;
+ } else {
+ const char *branch;
+
+ if (!mapped_refs) {
+ warning(_("You appear to have cloned an empty repository."));
+ option_no_checkout = 1;
+ }
if (transport_ls_refs_options.unborn_head_target &&
skip_prefix(transport_ls_refs_options.unborn_head_target,
"refs/heads/", &branch)) {
- ref = transport_ls_refs_options.unborn_head_target;
- create_symref("HEAD", ref, reflog_msg.buf);
+ unborn_head = xstrdup(transport_ls_refs_options.unborn_head_target);
} else {
branch = git_default_branch_name(0);
- ref_free = xstrfmt("refs/heads/%s", branch);
- ref = ref_free;
+ unborn_head = xstrfmt("refs/heads/%s", branch);
}
- if (!option_bare)
- install_branch_config(0, branch, remote_name, ref);
- free(ref_free);
+ /*
+ * We may have selected a local default branch name "foo",
+ * and even though the remote's HEAD does not point there,
+ * it may still have a "foo" branch. If so, set it up so
+ * that we can follow the usual checkout code later.
+ *
+ * Note that for an empty repo we'll already have set
+ * option_no_checkout above, which would work against us here.
+ * But for an empty repo, find_remote_branch() can never find
+ * a match.
+ */
+ our_head_points_at = find_remote_branch(mapped_refs, branch);
}
write_refspec_config(src_ref_prefix, our_head_points_at,
@@ -1330,7 +1358,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
branch_top.buf, reflog_msg.buf, transport,
!is_local);
- update_head(our_head_points_at, remote_head, reflog_msg.buf);
+ update_head(our_head_points_at, remote_head, unborn_head, reflog_msg.buf);
/*
* We want to show progress for recursive submodule clones iff
@@ -1357,6 +1385,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
strbuf_release(&key);
free_refs(mapped_refs);
free_refs(remote_head_points_at);
+ free(unborn_head);
free(dir);
free(path);
UNLEAK(repo);