log: allow users to follow a file

[ps-cgit] / ui-shared.c

diff --git a/ui-shared.c b/ui-shared.c
index 7bcb8d33f5ba38a4421a1b7aac48d229a0e5a3d7..6be0c2e3297b0cb406bfd6bfff40356dc9ed5e9f 100644 (file)
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -69,7 +69,11 @@ const char *cgit_currenturl(void)
 {
        if (!ctx.qry.url)
                return cgit_rooturl();
-       return ctx.qry.url;
+       const char *root = cgit_rooturl();
+       size_t len = strlen(root);
+       if (len && root[len - 1] == '/')
+               return fmtalloc("%s%s", root, ctx.qry.url);
+       return fmtalloc("%s/%s", root, ctx.qry.url);
 }
 
 const char *cgit_rooturl(void)
@@ -299,7 +303,8 @@ void cgit_plain_link(const char *name, const char *title, const char *class,
 
 void cgit_log_link(const char *name, const char *title, const char *class,
                   const char *head, const char *rev, const char *path,
-                  int ofs, const char *grep, const char *pattern, int showmsg)
+                  int ofs, const char *grep, const char *pattern, int showmsg,
+                  int follow)
 {
        char *delim;
 
@@ -328,6 +333,11 @@ void cgit_log_link(const char *name, const char *title, const char *class,
        if (showmsg) {
                html(delim);
                html("showmsg=1");
+               delim = "&";
+       }
+       if (follow) {
+               html(delim);
+               html("follow=1");
        }
        html("'>");
        html_txt(name);
@@ -369,6 +379,10 @@ void cgit_commit_link(char *name, const char *title, const char *class,
                html("ignorews=1");
                delim = "&";
        }
+       if (ctx.qry.follow) {
+               html(delim);
+               html("follow=1");
+       }
        html("'>");
        if (name[0] != '\0')
                html_txt(name);
@@ -425,6 +439,10 @@ void cgit_diff_link(const char *name, const char *title, const char *class,
                html("ignorews=1");
                delim = "&";
        }
+       if (ctx.qry.follow) {
+               html(delim);
+               html("follow=1");
+       }
        html("'>");
        html_txt(name);
        html("</a>");
@@ -465,7 +483,7 @@ static void cgit_self_link(char *name, const char *title, const char *class)
                              ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
                              ctx.qry.path, ctx.qry.ofs,
                              ctx.qry.grep, ctx.qry.search,
-                             ctx.qry.showmsg);
+                             ctx.qry.showmsg, ctx.qry.follow);
        else if (!strcmp(ctx.qry.page, "commit"))
                cgit_commit_link(name, title, class, ctx.qry.head,
                                 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
@@ -555,25 +573,32 @@ void cgit_submodule_link(const char *class, char *path, const char *rev)
                        item = lookup_path(list, path);
                }
        }
-       html("<a ");
-       if (class)
-               htmlf("class='%s' ", class);
-       html("href='");
-       if (item) {
-               html_attrf(item->util, rev);
-       } else if (ctx.repo->module_link) {
-               dir = strrchr(path, '/');
-               if (dir)
-                       dir++;
-               else
-                       dir = path;
-               html_attrf(ctx.repo->module_link, dir, rev);
+       if (item || ctx.repo->module_link) {
+               html("<a ");
+               if (class)
+                       htmlf("class='%s' ", class);
+               html("href='");
+               if (item) {
+                       html_attrf(item->util, rev);
+               } else {
+                       dir = strrchr(path, '/');
+                       if (dir)
+                               dir++;
+                       else
+                               dir = path;
+                       html_attrf(ctx.repo->module_link, dir, rev);
+               }
+               html("'>");
+               html_txt(path);
+               html("</a>");
        } else {
-               html("#");
+               html("<span");
+               if (class)
+                       htmlf(" class='%s'", class);
+               html(">");
+               html_txt(path);
+               html("</span>");
        }
-       html("'>");
-       html_txt(path);
-       html("</a>");
        html_txtf(" @ %.7s", rev);
        if (item && tail)
                path[len - 1] = tail;
@@ -678,6 +703,14 @@ void cgit_print_http_headers(void)
                exit(0);
 }
 
+void cgit_redirect(const char *url, bool permanent)
+{
+       htmlf("Status: %d %s\n", permanent ? 301 : 302, permanent ? "Moved" : "Found");
+       htmlf("Location: %s\n", url);
+       htmlf("\n");
+       exit(0);
+}
+
 static void print_rel_vcs_link(const char *url)
 {
        html("<link rel='vcs-git' href='");
@@ -781,7 +814,7 @@ void cgit_add_clone_urls(void (*fn)(const char *))
                add_clone_urls(fn, ctx.cfg.clone_prefix, ctx.repo->url);
 }
 
-static int print_branch_option(const char *refname, const unsigned char *sha1,
+static int print_branch_option(const char *refname, const struct object_id *oid,
                               int flags, void *cb_data)
 {
        char *name = (char *)refname;
@@ -884,6 +917,8 @@ static void print_header(void)
                        cgit_add_hidden_formfields(0, 1, ctx.qry.page);
                        html("<select name='h' onchange='this.form.submit();'>\n");
                        for_each_branch_ref(print_branch_option, ctx.qry.head);
+                       if (ctx.repo->enable_remote_branches)
+                               for_each_remote_ref(print_branch_option, ctx.qry.head);
                        html("</select> ");
                        html("<input type='submit' name='' value='switch'/>");
                        html("</form>");
@@ -924,7 +959,7 @@ void cgit_print_pageheader(void)
                               ctx.qry.sha1, NULL);
                cgit_log_link("log", NULL, hc("log"), ctx.qry.head,
                              NULL, ctx.qry.vpath, 0, NULL, NULL,
-                             ctx.qry.showmsg);
+                             ctx.qry.showmsg, ctx.qry.follow);
                cgit_tree_link("tree", NULL, hc("tree"), ctx.qry.head,
                               ctx.qry.sha1, ctx.qry.vpath);
                cgit_commit_link("commit", NULL, hc("commit"),
@@ -972,6 +1007,14 @@ void cgit_print_pageheader(void)
                html("<div class='path'>");
                html("path: ");
                cgit_print_path_crumbs(ctx.qry.vpath);
+               if (ctx.cfg.enable_follow_links && !strcmp(ctx.qry.page, "log")) {
+                       html(" (");
+                       ctx.qry.follow = !ctx.qry.follow;
+                       cgit_self_link(ctx.qry.follow ? "follow" : "unfollow",
+                                       NULL, NULL);
+                       ctx.qry.follow = !ctx.qry.follow;
+                       html(")");
+               }
                html("</div>");
        }
        html("<div class='content'>");