Add plain patch view

The new view mimics the output from `git format-patch`, making it possible
to cherry-pick directly from cgit with something like `curl $url | git am`.

Inspired by a patch to `git-apply` by Mike Hommey:
  http://thread.gmane.org/gmane.comp.version-control.git/67611/focus=67610

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

1 files changed, 8 insertions, 0 deletions

diff --git a/ui-shared.c b/ui-shared.c
index ece041c..60aa2e3 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -243,64 +243,70 @@ void cgit_refs_link(char *name, char *title, char *class, char *head,
 {
         reporevlink("refs", name, title, class, head, rev, path);
 }
 
 void cgit_snapshot_link(char *name, char *title, char *class, char *head,
                         char *rev, char *archivename)
 {
         reporevlink("snapshot", name, title, class, head, rev, archivename);
 }
 
 void cgit_diff_link(char *name, char *title, char *class, char *head,
                     char *new_rev, char *old_rev, char *path)
 {
         char *delim;
 
         delim = repolink(title, class, "diff", head, path);
         if (new_rev && strcmp(new_rev, cgit_query_head)) {
                 html(delim);
                 html("id=");
                 html_attr(new_rev);
                 delim = "&";
         }
         if (old_rev) {
                 html(delim);
                 html("id2=");
                 html_attr(old_rev);
         }
         html("'>");
         html_txt(name);
         html("</a>");
 }
 
+void cgit_patch_link(char *name, char *title, char *class, char *head,
+                     char *rev)
+{
+        reporevlink("patch", name, title, class, head, rev, NULL);
+}
+
 void cgit_object_link(struct object *obj)
 {
         char *page, *arg, *url;
 
         if (obj->type == OBJ_COMMIT) {
                 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
                                  cgit_query_head, sha1_to_hex(obj->sha1));
                 return;
         } else if (obj->type == OBJ_TREE) {
                 page = "tree";
                 arg = "id";
         } else if (obj->type == OBJ_TAG) {
                 page = "tag";
                 arg = "id";
         } else {
                 page = "blob";
                 arg = "id";
         }
 
         url = cgit_pageurl(cgit_query_repo, page,
                            fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
         html_link_open(url, NULL, NULL);
         htmlf("%s %s", typename(obj->type),
               sha1_to_hex(obj->sha1));
         html_link_close();
 }
 
 void cgit_print_date(time_t secs, char *format)
 {
         char buf[64];
         struct tm *time;
 
@@ -461,64 +467,66 @@ void cgit_print_pageheader(char *title, int show_search)
         static const char *default_info = "This is cgit, a fast webinterface for git repositories";
         int header = 0;
         char *url;
 
         html("<table id='layout' summary=''>\n");
         html("<tr><td id='sidebar'>\n");
         html("<table class='sidebar' cellspacing='0' summary=''>\n");
         html("<tr><td class='sidebar'>\n<a href='");
         html_attr(cgit_rooturl());
         htmlf("'><img src='%s' alt='cgit'/></a>\n",
               cgit_logo);
         html("</td></tr>\n<tr><td class='sidebar'>\n");
         if (cgit_query_repo) {
                 html("<h1 class='first'>");
                 html_txt(strrpart(cgit_repo->name, 20));
                 html("</h1>\n");
                 html_txt(cgit_repo->desc);
                 if (cgit_repo->owner) {
                         html("<h1>owner</h1>\n");
                         html_txt(cgit_repo->owner);
                 }
                 html("<h1>navigate</h1>\n");
                 reporevlink(NULL, "summary", NULL, "menu", cgit_query_head,
                             NULL, NULL);
                 cgit_log_link("log", NULL, "menu", cgit_query_head, NULL, NULL,
                               0, NULL, NULL);
                 cgit_tree_link("tree", NULL, "menu", cgit_query_head,
                                cgit_query_sha1, NULL);
                 cgit_commit_link("commit", NULL, "menu", cgit_query_head,
                               cgit_query_sha1);
                 cgit_diff_link("diff", NULL, "menu", cgit_query_head,
                                cgit_query_sha1, cgit_query_sha2, NULL);
+                cgit_patch_link("patch", NULL, "menu", cgit_query_head,
+                                cgit_query_sha1);
 
                 for_each_ref(print_archive_ref, &header);
 
                 if (cgit_repo->clone_url || cgit_clone_prefix) {
                         html("<h1>clone</h1>\n");
                         if (cgit_repo->clone_url)
                                 url = cgit_repo->clone_url;
                         else
                                 url = fmt("%s%s", cgit_clone_prefix,
                                           cgit_repo->url);
                         html("<a class='menu' href='");
                         html_attr(url);
                         html("' title='");
                         html_attr(url);
                         html("'>\n");
                         html_txt(strrpart(url, 20));
                         html("</a>\n");
                 }
 
                 html("<h1>branch</h1>\n");
                 html("<form method='get' action=''>\n");
                 add_hidden_formfields(0, 1, cgit_query_page);
         //      html("<table summary='branch selector' class='grid'><tr><td id='branch-dropdown-cell'>");
                 html("<select name='h' onchange='this.form.submit();'>\n");
                 for_each_branch_ref(print_branch_option, cgit_query_head);
                 html("</select>\n");
         //      html("</td><td>");
                 html("<noscript><input type='submit' id='switch-btn' value='switch'/></noscript>\n");
         //      html("</td></tr></table>");
                 html("</form>\n");
 
                 html("<h1>search</h1>\n");