Merge git://git.bogomips.org/git-svn

diff --git a/builtin-clone.c b/builtin-clone.c
index 8112716c108e5d4d21fa9d3cf3300bfdb06afd20..c0e3086437ced05d1b81d4098e3a4c7c3031b0ee 100644 (file)
--- a/builtin-clone.c
+++ b/builtin-clone.c
@@ -33,7 +33,7 @@ static const char * const builtin_clone_usage[] = {
        NULL
 };
 
-static int option_quiet, option_no_checkout, option_bare;
+static int option_quiet, option_no_checkout, option_bare, option_mirror;
 static int option_local, option_no_hardlinks, option_shared;
 static char *option_template, *option_reference, *option_depth;
 static char *option_origin = NULL;
@@ -45,6 +45,8 @@ static struct option builtin_clone_options[] = {
                    "don't create a checkout"),
        OPT_BOOLEAN(0, "bare", &option_bare, "create a bare repository"),
        OPT_BOOLEAN(0, "naked", &option_bare, "create a bare repository"),
+       OPT_BOOLEAN(0, "mirror", &option_mirror,
+                   "create a mirror repository (implies bare)"),
        OPT_BOOLEAN('l', "local", &option_local,
                    "to clone from a local repository"),
        OPT_BOOLEAN(0, "no-hardlinks", &option_no_hardlinks,
@@ -93,37 +95,46 @@ static char *get_repo_path(const char *repo, int *is_bundle)
        return NULL;
 }
 
-static char *guess_dir_name(const char *repo, int is_bundle)
+static char *guess_dir_name(const char *repo, int is_bundle, int is_bare)
 {
-       const char *p, *start, *end, *limit;
-       int after_slash_or_colon;
-
-       /* Guess dir name from repository: strip trailing '/',
-        * strip trailing '[:/]*.{git,bundle}', strip leading '.*[/:]'. */
-
-       after_slash_or_colon = 1;
-       limit = repo + strlen(repo);
-       start = repo;
-       end = limit;
-       for (p = repo; p < limit; p++) {
-               const char *prefix = is_bundle ? ".bundle" : ".git";
-               if (!prefixcmp(p, prefix)) {
-                       if (!after_slash_or_colon)
-                               end = p;
-                       p += strlen(prefix) - 1;
-               } else if (!prefixcmp(p, ".bundle")) {
-                       if (!after_slash_or_colon)
-                               end = p;
-                       p += 7;
-               } else if (*p == '/' || *p == ':') {
-                       if (end == limit)
-                               end = p;
-                       after_slash_or_colon = 1;
-               } else if (after_slash_or_colon) {
-                       start = p;
-                       end = limit;
-                       after_slash_or_colon = 0;
-               }
+       const char *end = repo + strlen(repo), *start;
+
+       /*
+        * Strip trailing slashes and /.git
+        */
+       while (repo < end && is_dir_sep(end[-1]))
+               end--;
+       if (end - repo > 5 && is_dir_sep(end[-5]) &&
+           !strncmp(end - 4, ".git", 4)) {
+               end -= 5;
+               while (repo < end && is_dir_sep(end[-1]))
+                       end--;
+       }
+
+       /*
+        * Find last component, but be prepared that repo could have
+        * the form  "remote.example.com:foo.git", i.e. no slash
+        * in the directory part.
+        */
+       start = end;
+       while (repo < start && !is_dir_sep(start[-1]) && start[-1] != ':')
+               start--;
+
+       /*
+        * Strip .{bundle,git}.
+        */
+       if (is_bundle) {
+               if (end - start > 7 && !strncmp(end - 7, ".bundle", 7))
+                       end -= 7;
+       } else {
+               if (end - start > 4 && !strncmp(end - 4, ".git", 4))
+                       end -= 4;
+       }
+
+       if (is_bare) {
+               char *result = xmalloc(end - start + 5);
+               sprintf(result, "%.*s.git", (int)(end - start), start);
+               return result;
        }
 
        return xstrndup(start, end - start);
@@ -319,7 +330,8 @@ static struct ref *write_remote_refs(const struct ref *refs,
        struct ref *r;
 
        get_fetch_map(refs, refspec, &tail, 0);
-       get_fetch_map(refs, tag_refspec, &tail, 0);
+       if (!option_mirror)
+               get_fetch_map(refs, tag_refspec, &tail, 0);
 
        for (r = local_refs; r; r = r->next)
                add_extra_ref(r->peer_ref->name, r->old_sha1, 0);
@@ -342,6 +354,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        char branch_top[256], key[256], value[256];
        struct strbuf reflog_msg;
        struct transport *transport = NULL;
+       char *src_ref_prefix = "refs/heads/";
 
        struct refspec refspec;
 
@@ -356,6 +369,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        if (option_no_hardlinks)
                use_local_hardlinks = 0;
 
+       if (option_mirror)
+               option_bare = 1;
+
        if (option_bare) {
                if (option_origin)
                        die("--bare and --origin %s options are incompatible.",
@@ -380,7 +396,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        if (argc == 2)
                dir = xstrdup(argv[1]);
        else
-               dir = guess_dir_name(repo_name, is_bundle);
+               dir = guess_dir_name(repo_name, is_bundle, option_bare);
 
        if (!stat(dir, &buf))
                die("destination directory '%s' already exists.", dir);
@@ -437,26 +453,36 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        git_config(git_default_config, NULL);
 
        if (option_bare) {
-               strcpy(branch_top, "refs/heads/");
+               if (option_mirror)
+                       src_ref_prefix = "refs/";
+               strcpy(branch_top, src_ref_prefix);
 
                git_config_set("core.bare", "true");
        } else {
                snprintf(branch_top, sizeof(branch_top),
                         "refs/remotes/%s/", option_origin);
+       }
 
+       if (option_mirror || !option_bare) {
                /* Configure the remote */
+               if (option_mirror) {
+                       snprintf(key, sizeof(key),
+                                       "remote.%s.mirror", option_origin);
+                       git_config_set(key, "true");
+               }
+
                snprintf(key, sizeof(key), "remote.%s.url", option_origin);
                git_config_set(key, repo);
 
                snprintf(key, sizeof(key), "remote.%s.fetch", option_origin);
                snprintf(value, sizeof(value),
-                               "+refs/heads/*:%s*", branch_top);
+                               "+%s*:%s*", src_ref_prefix, branch_top);
                git_config_set_multivar(key, value, "^$", 0);
        }
 
        refspec.force = 0;
        refspec.pattern = 1;
-       refspec.src = "refs/heads/";
+       refspec.src = src_ref_prefix;
        refspec.dst = branch_top;
 
        if (path && !is_bundle)
@@ -477,6 +503,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
                if (option_quiet)
                        transport->verbose = -1;
 
+               if (option_upload_pack)
+                       transport_set_option(transport, TRANS_OPT_UPLOADPACK,
+                                            option_upload_pack);
+
                refs = transport_get_remote_refs(transport);
                transport_fetch_refs(transport, refs);
        }