ui-summary: show clone urls

If either repo.clone-url or clone-prefix is specified in cgitrc, all
space-separated values in the config option is printed as a possible
clone url on the repo summary page.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

ui-summary.c

@@ -11,6 +11,43 @@
 #include "ui-log.h"
 #include "ui-refs.h"
 
+int urls = 0;
+
+static void print_url(char *base, char *suffix)
+{
+	if (!base || !*base)
+		return;
+	if (urls++ == 0) {
+		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
+		html("<tr><th class='left' colspan='4'>Clone</th></tr>\n");
+	}
+	if (suffix && *suffix)
+		base = fmt("%s/%s", base, suffix);
+	html("<tr><td colspan='4'><a href='");
+	html_attr(base);
+	html("'>");
+	html_txt(base);
+	html("</a></td></tr>\n");
+}
+
+static void print_urls(char *txt, char *suffix)
+{
+	char *h = txt, *t, c;
+
+	while (h && *h) {
+		while (h && *h == ' ')
+			h++;
+		t = h;
+		while (t && *t && *t != ' ')
+			t++;
+		c = *t;
+		*t = 0;
+		print_url(h, suffix);
+		*t = c;
+		h = t;
+	}
+}
+
 void cgit_print_summary()
 {
 	html("<table summary='repository info' class='list nowrap'>");
@@ -22,6 +59,10 @@ void cgit_print_summary()
 		cgit_print_log(ctx.qry.head, 0, ctx.cfg.summary_log, NULL,
 			       NULL, NULL, 0);
 	}
+	if (ctx.repo->clone_url)
+		print_urls(ctx.repo->clone_url, NULL);
+	else if (ctx.cfg.clone_prefix)
+		print_urls(ctx.cfg.clone_prefix, ctx.repo->url);
 	html("</table>");
 }