1 files changed, 74 insertions, 12 deletions

diff --git a/ui-shared.c b/ui-shared.c
index 5aa9119..43166af 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -133,7 +133,7 @@ char *cgit_currurl()
                 return fmt("%s/", ctx.cfg.virtual_root);
 }
 
-static void site_url(const char *page, const char *search, int ofs)
+static void site_url(const char *page, const char *search, const char *sort, int ofs)
 {
         char *delim = "?";
 
@@ -154,6 +154,12 @@ static void site_url(const char *page, const char *search, int ofs)
                 html_attr(search);
                 delim = "&";
         }
+        if (sort) {
+                html(delim);
+                html("s=");
+                html_attr(sort);
+                delim = "&";
+        }
         if (ofs) {
                 html(delim);
                 htmlf("ofs=%d", ofs);
@@ -161,7 +167,7 @@ static void site_url(const char *page, const char *search, int ofs)
 }
 
 static void site_link(const char *page, const char *name, const char *title,
-                      const char *class, const char *search, int ofs)
+                      const char *class, const char *search, const char *sort, int ofs)
 {
         html("<a");
         if (title) {
@@ -175,16 +181,16 @@ static void site_link(const char *page, const char *name, const char *title,
                 html("'");
         }
         html(" href='");
-        site_url(page, search, ofs);
+        site_url(page, search, sort, ofs);
         html("'>");
         html_txt(name);
         html("</a>");
 }
 
 void cgit_index_link(const char *name, const char *title, const char *class,
-                     const char *pattern, int ofs)
+                     const char *pattern, const char *sort, int ofs)
 {
-        site_link(NULL, name, title, class, pattern, ofs);
+        site_link(NULL, name, title, class, pattern, sort, ofs);
 }
 
 static char *repolink(const char *title, const char *class, const char *page,
@@ -288,7 +294,7 @@ void cgit_log_link(const char *name, const char *title, const char *class,
         char *delim;
 
         delim = repolink(title, class, "log", head, path);
-        if (rev && strcmp(rev, ctx.qry.head)) {
+        if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
                 html(delim);
                 html("id=");
                 html_url_arg(rev);
@@ -332,7 +338,7 @@ void cgit_commit_link(char *name, const char *title, const char *class,
         char *delim;
 
         delim = repolink(title, class, "commit", head, path);
-        if (rev && strcmp(rev, ctx.qry.head)) {
+        if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
                 html(delim);
                 html("id=");
                 html_url_arg(rev);
@@ -428,7 +434,7 @@ void cgit_self_link(char *name, const char *title, const char *class,
                     struct cgit_context *ctx)
 {
         if (!strcmp(ctx->qry.page, "repolist"))
-                return cgit_index_link(name, title, class, ctx->qry.search,
+                return cgit_index_link(name, title, class, ctx->qry.search, ctx->qry.sort,
                                        ctx->qry.ofs);
         else if (!strcmp(ctx->qry.page, "summary"))
                 return cgit_summary_link(name, title, class, ctx->qry.head);
@@ -503,6 +509,62 @@ void cgit_object_link(struct object *obj)
         reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 }
 
+struct string_list_item *lookup_path(struct string_list *list,
+                                     const char *path)
+{
+        struct string_list_item *item;
+
+        while (path && path[0]) {
+                if ((item = string_list_lookup(list, path)))
+                        return item;
+                if (!(path = strchr(path, '/')))
+                        break;
+                path++;
+        }
+        return NULL;
+}
+
+void cgit_submodule_link(const char *class, char *path, const char *rev)
+{
+        struct string_list *list;
+        struct string_list_item *item;
+        char tail, *dir;
+        size_t len;
+
+        tail = 0;
+        list = &ctx.repo->submodules;
+        item = lookup_path(list, path);
+        if (!item) {
+                len = strlen(path);
+                tail = path[len - 1];
+                if (tail == '/') {
+                        path[len - 1] = 0;
+                        item = lookup_path(list, path);
+                }
+        }
+        html("<a ");
+        if (class)
+                htmlf("class='%s' ", class);
+        html("href='");
+        if (item) {
+                html_attr(fmt(item->util, rev));
+        } else if (ctx.repo->module_link) {
+                dir = strrchr(path, '/');
+                if (dir)
+                        dir++;
+                else
+                        dir = path;
+                html_attr(fmt(ctx.repo->module_link, dir, rev));
+        } else {
+                html("#");
+        }
+        html("'>");
+        html_txt(path);
+        html("</a>");
+        if (item && tail)
+                path[len - 1] = tail;
+}
+
 void cgit_print_date(time_t secs, const char *format, int local_time)
 {
         char buf[64];
@@ -613,7 +675,7 @@ void cgit_print_docstart(struct cgit_context *ctx)
                 html_attr(ctx->cfg.favicon);
                 html("'/>\n");
         }
-        if (host && ctx->repo) {
+        if (host && ctx->repo && ctx->qry.head) {
                 html("<link rel='alternate' title='Atom feed' href='");
                 html(cgit_httpscheme());
                 html_attr(cgit_hosturl());
@@ -782,7 +844,7 @@ static void print_header(struct cgit_context *ctx)
 
         html("<td class='main'>");
         if (ctx->repo) {
-                cgit_index_link("index", NULL, NULL, NULL, 0);
+                cgit_index_link("index", NULL, NULL, NULL, NULL, 0);
                 html(" : ");
                 cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
                 html("</td><td class='form'>");
@@ -858,10 +920,10 @@ void cgit_print_pageheader(struct cgit_context *ctx)
                 html("<input type='submit' value='search'/>\n");
                 html("</form>\n");
         } else {
-                site_link(NULL, "index", NULL, hc(ctx, "repolist"), NULL, 0);
+                site_link(NULL, "index", NULL, hc(ctx, "repolist"), NULL, NULL, 0);
                 if (ctx->cfg.root_readme)
                         site_link("about", "about", NULL, hc(ctx, "about"),
-                                  NULL, 0);
+                                  NULL, NULL, 0);
                 html("</td><td class='form'>");
                 html("<form method='get' action='");
                 html_attr(cgit_rooturl());