@@ -244,6 +244,8 @@ else if (!strcmp(name, "robots"))
 		ctx.cfg.robots = xstrdup(value);
 	else if (!strcmp(name, "clone-prefix"))
 		ctx.cfg.clone_prefix = xstrdup(value);
+	else if (!strcmp(name, "clone-url"))
+		ctx.cfg.clone_url = xstrdup(value);
 	else if (!strcmp(name, "local-time"))
 		ctx.cfg.local_time = atoi(value);
 	else if (!prefixcmp(name, "mimetype."))
@@ -463,6 +465,7 @@ cgit_print_error(fmt("Invalid branch: %s", tmp));
 		cgit_print_docend();
 		return 1;
 	}
+	cgit_prepare_repo_env(ctx->repo);
 	return 0;
 }
 

@@ -165,6 +165,7 @@ struct cgit_config {
 	char *agefile;
 	char *cache_root;
 	char *clone_prefix;
+	char *clone_url;
 	char *css;
 	char *favicon;
 	char *footer;
@@ -319,8 +320,10 @@ extern const char *cgit_repobasename(const char *reponame);
 
 extern int cgit_parse_snapshots_mask(const char *str);
 
-extern int cgit_open_filter(struct cgit_filter *filter, struct cgit_repo * repo);
+extern int cgit_open_filter(struct cgit_filter *filter);
 extern int cgit_close_filter(struct cgit_filter *filter);
+
+extern void cgit_prepare_repo_env(struct cgit_repo * repo);
 
 extern int readfile(const char *path, char **buf, size_t *size);
 

@@ -76,6 +76,11 @@ repository url, generates valid clone urls for the repository. This
 	setting is only used if `repo.clone-url` is unspecified. Default value:
 	none.
 
+clone-url::
+	Space-separated list of clone-url templates. This setting is only
+	used if `repo.clone-url` is unspecified. Default value: none. See
+	also: "MACRO EXPANSION", "FILTER API".
+
 commit-filter::
 	Specifies a command which will be invoked to format commit messages.
 	The command will get the message on its STDIN, and the STDOUT from the
@@ -363,7 +368,7 @@ "enable-filter-overrides". See also: "FILTER API".
 
 repo.clone-url::
 	A list of space-separated urls which can be used to clone this repo.
-	Default value: none.
+	Default value: none. See also: "MACRO EXPANSION".
 
 repo.commit-filter::
 	Override the default commit-filter. Default value: none. See also:
@@ -511,6 +516,12 @@ can be accomplished by adding the following line to /etc/cgitrc:
 
 	include=/etc/cgitrc.d/$HTTP_HOST
 
+The following options are expanded during request processing, and support
+the environment variables defined in "FILTER API":
+
+- clone-url
+- repo.clone-url
+
 
 EXAMPLE CGITRC FILE
 -------------------
@@ -520,8 +531,8 @@ # Enable caching of up to 1000 output entriess
 cache-size=1000
 
 
-# Specify some default clone prefixes
-clone-prefix=git://example.com ssh://example.com/pub/git http://example.com/git
+# Specify some default clone urls using macro expansion
+clone-url=git://foo.org/$CGIT_REPO_URL git@foo.org:$CGIT_REPO_URL
 
 # Specify the css url
 css=/css/cgit.css

@@ -70,6 +70,7 @@ ret->mtime = -1;
 	ret->about_filter = ctx.cfg.about_filter;
 	ret->commit_filter = ctx.cfg.commit_filter;
 	ret->source_filter = ctx.cfg.source_filter;
+	ret->clone_url = ctx.cfg.clone_url;
 	return ret;
 }
 
@@ -374,7 +375,8 @@ char * name;
 	char * value;
 } cgit_env_var;
 
-static void prepare_env(struct cgit_repo * repo) {
+void cgit_prepare_repo_env(struct cgit_repo * repo)
+{
 	cgit_env_var env_vars[] = {
 		{ .name = "CGIT_REPO_URL", .value = repo->url },
 		{ .name = "CGIT_REPO_NAME", .value = repo->name },
@@ -395,7 +397,7 @@ if (setenv(p->name, p->value, 1))
 			fprintf(stderr, warn, p->name, p->value);
 }
 
-int cgit_open_filter(struct cgit_filter *filter, struct cgit_repo * repo)
+int cgit_open_filter(struct cgit_filter *filter)
 {
 
 	filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
@@ -406,8 +408,6 @@ if (filter->pid == 0) {
 		close(filter->pipe_fh[1]);
 		chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
 			"Unable to use pipe as STDIN");
-		if (repo)
-			prepare_env(repo);
 		execvp(filter->cmd, filter->argv);
 		die("Unable to exec subprocess %s: %s (%d)", filter->cmd,
 			strerror(errno), errno);

@@ -62,6 +62,7 @@ enable-log-linecount=1
 summary-log=5
 summary-branches=5
 summary-tags=5
+clone-url=git://example.org/\$CGIT_REPO_URL.git
 
 repo.url=foo
 repo.path=$PWD/trash/repos/foo/.git

@@ -9,6 +9,9 @@ run_test 'find commit 1' 'grep -e "commit 1" trash/tmp'
 run_test 'find commit 5' 'grep -e "commit 5" trash/tmp'
 run_test 'find branch master' 'grep -e "master" trash/tmp'
 run_test 'no tags' '! grep -e "tags" trash/tmp'
+run_test 'clone-url expanded correctly' '
+	grep -e "git://example.org/foo.git" trash/tmp
+'
 
 run_test 'generate bar summary' 'cgit_url "bar" >trash/tmp'
 run_test 'no commit 45' '! grep -e "commit 45" trash/tmp'
@@ -16,5 +19,8 @@ run_test 'find commit 46' 'grep -e "commit 46" trash/tmp'
 run_test 'find commit 50' 'grep -e "commit 50" trash/tmp'
 run_test 'find branch master' 'grep -e "master" trash/tmp'
 run_test 'no tags' '! grep -e "tags" trash/tmp'
+run_test 'clone-url expanded correctly' '
+	grep -e "git://example.org/bar.git" trash/tmp
+'
 
 tests_done

@@ -106,7 +106,7 @@ }
 	html("</table>\n");
 	html("<div class='commit-subject'>");
 	if (ctx.repo->commit_filter)
-		cgit_open_filter(ctx.repo->commit_filter, ctx.repo);
+		cgit_open_filter(ctx.repo->commit_filter);
 	html_txt(info->subject);
 	if (ctx.repo->commit_filter)
 		cgit_close_filter(ctx.repo->commit_filter);
@@ -114,7 +114,7 @@ show_commit_decorations(commit);
 	html("</div>");
 	html("<div class='commit-msg'>");
 	if (ctx.repo->commit_filter)
-		cgit_open_filter(ctx.repo->commit_filter, ctx.repo);
+		cgit_open_filter(ctx.repo->commit_filter);
 	html_txt(info->msg);
 	if (ctx.repo->commit_filter)
 		cgit_close_filter(ctx.repo->commit_filter);
@@ -123,7 +123,7 @@ if (notes.len != 0) {
 		html("<div class='notes-header'>Notes</div>");
 		html("<div class='notes'>");
 		if (ctx.repo->commit_filter)
-			cgit_open_filter(ctx.repo->commit_filter, ctx.repo);
+			cgit_open_filter(ctx.repo->commit_filter);
 		html_txt(notes.buf);
 		if (ctx.repo->commit_filter)
 			cgit_close_filter(ctx.repo->commit_filter);

@@ -300,7 +300,7 @@ {
 	if (!ctx.cfg.root_readme)
 		return;
 	if (ctx.cfg.about_filter)
-		cgit_open_filter(ctx.cfg.about_filter, NULL);
+		cgit_open_filter(ctx.cfg.about_filter);
 	html_include(ctx.cfg.root_readme);
 	if (ctx.cfg.about_filter)
 		cgit_close_filter(ctx.cfg.about_filter);

@@ -19,7 +19,7 @@ f.cmd = xstrdup(filter);
 	f.argv = malloc(2 * sizeof(char *));
 	f.argv[0] = f.cmd;
 	f.argv[1] = NULL;
-	cgit_open_filter(&f, NULL);
+	cgit_open_filter(&f);
 	rv = write_tar_archive(args);
 	cgit_close_filter(&f);
 	return rv;

@@ -62,7 +62,7 @@ cgit_print_log(ctx.qry.head, 0, ctx.cfg.summary_log, NULL,
 			       NULL, NULL, 0, 0);
 	}
 	if (ctx.repo->clone_url)
-		print_urls(ctx.repo->clone_url, NULL);
+		print_urls(expand_macros(ctx.repo->clone_url), NULL);
 	else if (ctx.cfg.clone_prefix)
 		print_urls(ctx.cfg.clone_prefix, ctx.repo->url);
 	html("</table>");
@@ -113,7 +113,7 @@ * filesystem, while applying the about-filter.
 	 */
 	html("<div id='summary'>");
 	if (ctx.repo->about_filter)
-		cgit_open_filter(ctx.repo->about_filter, ctx.repo);
+		cgit_open_filter(ctx.repo->about_filter);
 	if (ref)
 		cgit_print_file(tmp, ref);
 	else

@@ -45,7 +45,7 @@
 	if (ctx.repo->source_filter) {
 		html("<td class='lines'><pre><code>");
 		ctx.repo->source_filter->argv[1] = xstrdup(name);
-		cgit_open_filter(ctx.repo->source_filter, ctx.repo);
+		cgit_open_filter(ctx.repo->source_filter);
 		html_raw(buf, size);
 		cgit_close_filter(ctx.repo->source_filter);
 		free(ctx.repo->source_filter->argv[1]);