blame: default to HEAD in a bare repo when no start commit is given
[gitweb.git] / builtin / clone.c
index 101c27a593f4c64a735410f18bfcb46489728696..50bde9961809b1d55c74fb6d3cbfbf5a86ddf5c7 100644 (file)
@@ -8,12 +8,15 @@
  * 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"
@@ -27,6 +30,7 @@
 #include "connected.h"
 #include "packfile.h"
 #include "list-objects-filter-options.h"
+#include "object-store.h"
 
 /*
  * Overall FIXMEs:
@@ -566,13 +570,19 @@ static struct ref *wanted_peer_refs(const struct ref *refs,
                        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);
@@ -693,7 +703,8 @@ static void update_head(const struct ref *our, const struct ref *remote,
                        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);
@@ -744,6 +755,7 @@ static int checkout(int submodule_progress)
        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;
@@ -822,7 +834,7 @@ static void write_refspec_config(const char *src_ref_prefix,
                        } 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);
@@ -885,7 +897,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        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/";
@@ -893,8 +906,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        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;
 
        fetch_if_missing = 0;
 
@@ -1062,7 +1074,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                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);
@@ -1076,12 +1087,12 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        if (option_required_reference.nr || option_optional_reference.nr)
                setup_reference();
 
-       fetch_pattern = value.buf;
-       refspec = parse_fetch_refspec(1, &fetch_pattern);
+       remote = remote_get(option_origin);
 
-       strbuf_reset(&value);
+       strbuf_addf(&default_refspec, "+%s*:%s*", src_ref_prefix,
+                   branch_top.buf);
+       refspec_append(&remote->fetch, default_refspec.buf);
 
-       remote = remote_get(option_origin);
        transport = transport_get(remote, remote->url[0]);
        transport_set_verbosity(transport, option_verbosity, option_progress);
        transport->family = family;
@@ -1126,18 +1137,30 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                                     option_upload_pack);
 
        if (filter_options.choice) {
+               struct strbuf expanded_filter_spec = STRBUF_INIT;
+               expand_list_objects_filter_spec(&filter_options,
+                                               &expanded_filter_spec);
                transport_set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER,
-                                    filter_options.filter_spec);
+                                    expanded_filter_spec.buf);
                transport_set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
+               strbuf_release(&expanded_filter_spec);
        }
 
        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);
+               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
@@ -1201,7 +1224,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
 
        update_remote_refs(refs, mapped_refs, remote_head_points_at,
                           branch_top.buf, reflog_msg.buf, transport,
-                          !is_local && !filter_options.choice);
+                          !is_local);
 
        update_head(our_head_points_at, remote_head, reflog_msg.buf);
 
@@ -1217,7 +1240,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        transport_disconnect(transport);
 
        if (option_dissociate) {
-               close_all_packs();
+               close_all_packs(the_repository->objects);
                dissociate_from_references();
        }
 
@@ -1228,9 +1251,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        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;
 }