Imported Upstream version 2.16.0
[platform/upstream/git.git] / builtin / clone.c
index a6ae7d6..2da71db 100644 (file)
@@ -9,6 +9,7 @@
  */
 
 #include "builtin.h"
+#include "config.h"
 #include "lockfile.h"
 #include "parse-options.h"
 #include "fetch-pack.h"
@@ -24,6 +25,7 @@
 #include "remote.h"
 #include "run-command.h"
 #include "connected.h"
+#include "packfile.h"
 
 /*
  * Overall FIXMEs:
@@ -40,6 +42,7 @@ static const char * const builtin_clone_usage[] = {
 
 static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
 static int option_local = -1, option_no_hardlinks, option_shared;
+static int option_no_tags;
 static int option_shallow_submodules;
 static int deepen;
 static char *option_template, *option_depth, *option_since;
@@ -120,6 +123,8 @@ static struct option builtin_clone_options[] = {
                        N_("deepen history of shallow clone, excluding rev")),
        OPT_BOOL(0, "single-branch", &option_single_branch,
                    N_("clone only one branch, HEAD or --branch")),
+       OPT_BOOL(0, "no-tags", &option_no_tags,
+                N_("don't clone any tags, and make later fetches not to follow them")),
        OPT_BOOL(0, "shallow-submodules", &option_shallow_submodules,
                    N_("any cloned submodules will be shallow")),
        OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
@@ -357,7 +362,7 @@ static void copy_alternates(struct strbuf *src, struct strbuf *dst,
         * to turn entries with paths relative to the original
         * absolute, so that they can be used in the new repository.
         */
-       FILE *in = fopen(src->buf, "r");
+       FILE *in = xfopen(src->buf, "r");
        struct strbuf line = STRBUF_INIT;
 
        while (strbuf_getline(&line, in) != EOF) {
@@ -447,7 +452,8 @@ 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 {
@@ -502,8 +508,8 @@ static void remove_junk(void)
        if (junk_work_tree) {
                strbuf_addstr(&sb, junk_work_tree);
                remove_dir_recursively(&sb, 0);
-               strbuf_reset(&sb);
        }
+       strbuf_release(&sb);
 }
 
 static void remove_junk_on_signal(int signo)
@@ -563,7 +569,7 @@ static struct ref *wanted_peer_refs(const struct ref *refs,
        } else
                get_fetch_map(refs, refspec, &tail, 0);
 
-       if (!option_mirror && !option_single_branch)
+       if (!option_mirror && !option_single_branch && !option_no_tags)
                get_fetch_map(refs, tag_refspec, &tail, 0);
 
        return local_refs;
@@ -583,7 +589,7 @@ 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);
        }
@@ -605,12 +611,12 @@ 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;
@@ -625,7 +631,7 @@ 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;
 }
@@ -652,7 +658,7 @@ static void update_remote_refs(const struct ref *refs,
 
        if (refs) {
                write_remote_refs(mapped_refs);
-               if (option_single_branch)
+               if (option_single_branch && !option_no_tags)
                        write_followtags(refs, msg);
        }
 
@@ -677,23 +683,23 @@ 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.hash);
+               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);
        }
 }
 
@@ -701,7 +707,7 @@ 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;
@@ -710,7 +716,7 @@ 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"));
@@ -728,8 +734,7 @@ 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;
@@ -739,13 +744,13 @@ static int checkout(int submodule_progress)
        opts.src_index = &the_index;
        opts.dst_index = &the_index;
 
-       tree = parse_tree_indirect(oid.hash);
+       tree = parse_tree_indirect(&oid);
        parse_tree(tree);
        init_tree_desc(&t, tree->buffer, tree->size);
        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),
@@ -764,6 +769,9 @@ static int checkout(int submodule_progress)
                if (submodule_progress)
                        argv_array_push(&args, "--progress");
 
+               if (option_verbosity < 0)
+                       argv_array_push(&args, "--quiet");
+
                err = run_command_v_opt(args.argv, RUN_GIT_CMD);
                argv_array_clear(&args);
        }
@@ -1037,6 +1045,12 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        git_config_set(key.buf, repo);
        strbuf_reset(&key);
 
+       if (option_no_tags) {
+               strbuf_addf(&key, "remote.%s.tagOpt", option_origin);
+               git_config_set(key.buf, "--no-tags");
+               strbuf_reset(&key);
+       }
+
        if (option_required_reference.nr || option_optional_reference.nr)
                setup_reference();
 
@@ -1069,9 +1083,6 @@ 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)