]> git.cameronkatri.com Git - cgit.git/blobdiff - ui-shared.c
filters: toggle perl utf8 situation
[cgit.git] / ui-shared.c
index 4f2851273418dc9a81c4af942660e4923a149f5e..7ab2ab187d5f3cc9ce6e835c72ab2f47af2ef13e 100644 (file)
@@ -7,6 +7,7 @@
  */
 
 #include "cgit.h"
+#include "ui-shared.h"
 #include "cmd.h"
 #include "html.h"
 
@@ -20,81 +21,90 @@ static char *http_date(time_t t)
                {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
        static char month[][4] =
                {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
-                "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
+                "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
        struct tm *tm = gmtime(&t);
        return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
-                  tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
+                  tm->tm_mday, month[tm->tm_mon], 1900 + tm->tm_year,
                   tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
-void cgit_print_error(char *msg)
+void cgit_print_error(const char *fmt, ...)
 {
+       va_list ap;
+       va_start(ap, fmt);
+       cgit_vprint_error(fmt, ap);
+       va_end(ap);
+}
+
+void cgit_vprint_error(const char *fmt, va_list ap)
+{
+       va_list cp;
        html("<div class='error'>");
-       html_txt(msg);
+       va_copy(cp, ap);
+       html_vtxtf(fmt, cp);
+       va_end(cp);
        html("</div>\n");
 }
 
-char *cgit_hosturl()
+const char *cgit_httpscheme()
 {
-       char *host, *port;
+       if (ctx.env.https && !strcmp(ctx.env.https, "on"))
+               return "https://";
+       else
+               return "http://";
+}
 
-       host = getenv("HTTP_HOST");
-       if (host) {
-               host = xstrdup(host);
-       } else {
-               host = getenv("SERVER_NAME");
-               if (!host)
-                       return NULL;
-               port = getenv("SERVER_PORT");
-               if (port && atoi(port) != 80)
-                       host = xstrdup(fmt("%s:%d", host, atoi(port)));
-               else
-                       host = xstrdup(host);
-       }
-       return host;
+const char *cgit_hosturl()
+{
+       if (ctx.env.http_host)
+               return ctx.env.http_host;
+       if (!ctx.env.server_name)
+               return NULL;
+       if (!ctx.env.server_port || atoi(ctx.env.server_port) == 80)
+               return ctx.env.server_name;
+       return fmtalloc("%s:%s", ctx.env.server_name, ctx.env.server_port);
 }
 
-char *cgit_rooturl()
+const char *cgit_rooturl()
 {
        if (ctx.cfg.virtual_root)
-               return fmt("%s/", ctx.cfg.virtual_root);
+               return ctx.cfg.virtual_root;
        else
                return ctx.cfg.script_name;
 }
 
 char *cgit_repourl(const char *reponame)
 {
-       if (ctx.cfg.virtual_root) {
-               return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
-       } else {
-               return fmt("?r=%s", reponame);
-       }
+       if (ctx.cfg.virtual_root)
+               return fmtalloc("%s%s/", ctx.cfg.virtual_root, reponame);
+       else
+               return fmtalloc("?r=%s", reponame);
 }
 
 char *cgit_fileurl(const char *reponame, const char *pagename,
                   const char *filename, const char *query)
 {
-       char *tmp;
+       struct strbuf sb = STRBUF_INIT;
        char *delim;
 
        if (ctx.cfg.virtual_root) {
-               tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
-                         pagename, (filename ? filename:""));
+               strbuf_addf(&sb, "%s%s/%s/%s", ctx.cfg.virtual_root, reponame,
+                           pagename, (filename ? filename:""));
                delim = "?";
        } else {
-               tmp = fmt("?url=%s/%s/%s", reponame, pagename,
-                         (filename ? filename : ""));
-               delim = "&";
+               strbuf_addf(&sb, "?url=%s/%s/%s", reponame, pagename,
+                           (filename ? filename : ""));
+               delim = "&amp;";
        }
        if (query)
-               tmp = fmt("%s%s%s", tmp, delim, query);
-       return tmp;
+               strbuf_addf(&sb, "%s%s", delim, query);
+       return strbuf_detach(&sb, NULL);
 }
 
 char *cgit_pageurl(const char *reponame, const char *pagename,
                   const char *query)
 {
-       return cgit_fileurl(reponame,pagename,0,query);
+       return cgit_fileurl(reponame, pagename, 0, query);
 }
 
 const char *cgit_repobasename(const char *reponame)
@@ -103,57 +113,49 @@ const char *cgit_repobasename(const char *reponame)
        static char rvbuf[1024];
        int p;
        const char *rv;
-       strncpy(rvbuf,reponame,sizeof(rvbuf));
-       if(rvbuf[sizeof(rvbuf)-1])
+       strncpy(rvbuf, reponame, sizeof(rvbuf));
+       if (rvbuf[sizeof(rvbuf)-1])
                die("cgit_repobasename: truncated repository name '%s'", reponame);
        p = strlen(rvbuf)-1;
        /* strip trailing slashes */
-       while(p && rvbuf[p]=='/') rvbuf[p--]=0;
+       while (p && rvbuf[p] == '/') rvbuf[p--] = 0;
        /* strip trailing .git */
-       if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
+       if (p >= 3 && !strncmp(&rvbuf[p-3], ".git", 4)) {
                p -= 3; rvbuf[p--] = 0;
        }
        /* strip more trailing slashes if any */
-       while( p && rvbuf[p]=='/') rvbuf[p--]=0;
+       while ( p && rvbuf[p] == '/') rvbuf[p--] = 0;
        /* find last slash in the remaining string */
        rv = strrchr(rvbuf,'/');
-       if(rv)
+       if (rv)
                return ++rv;
        return rvbuf;
 }
 
-char *cgit_currurl()
-{
-       if (!ctx.cfg.virtual_root)
-               return ctx.cfg.script_name;
-       else if (ctx.qry.page)
-               return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
-       else if (ctx.qry.repo)
-               return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
-       else
-               return fmt("%s/", ctx.cfg.virtual_root);
-}
-
-static void site_url(char *page, char *search, int ofs)
+static void site_url(const char *page, const char *search, const char *sort, int ofs)
 {
        char *delim = "?";
 
-       if (ctx.cfg.virtual_root) {
+       if (ctx.cfg.virtual_root)
                html_attr(ctx.cfg.virtual_root);
-               if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
-                       html("/");
-       } else
+       else
                html(ctx.cfg.script_name);
 
        if (page) {
                htmlf("?p=%s", page);
-               delim = "&";
+               delim = "&amp;";
        }
        if (search) {
                html(delim);
                html("q=");
                html_attr(search);
-               delim = "&";
+               delim = "&amp;";
+       }
+       if (sort) {
+               html(delim);
+               html("s=");
+               html_attr(sort);
+               delim = "&amp;";
        }
        if (ofs) {
                html(delim);
@@ -161,8 +163,8 @@ static void site_url(char *page, char *search, int ofs)
        }
 }
 
-static void site_link(char *page, char *name, char *title, char *class,
-                     char *search, int ofs)
+static void site_link(const char *page, const char *name, const char *title,
+                     const char *class, const char *search, const char *sort, int ofs)
 {
        html("<a");
        if (title) {
@@ -176,20 +178,20 @@ static void site_link(char *page, char *name, char *title, char *class,
                html("'");
        }
        html(" href='");
-       site_url(page, search, ofs);
+       site_url(page, search, sort, ofs);
        html("'>");
        html_txt(name);
        html("</a>");
 }
 
-void cgit_index_link(char *name, char *title, char *class, char *pattern,
-                    int ofs)
+void cgit_index_link(const char *name, const char *title, const char *class,
+                    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(char *title, char *class, char *page, char *head,
-                     char *path)
+static char *repolink(const char *title, const char *class, const char *page,
+                     const char *head, const char *path)
 {
        char *delim = "?";
 
@@ -207,8 +209,6 @@ static char *repolink(char *title, char *class, char *page, char *head,
        html(" href='");
        if (ctx.cfg.virtual_root) {
                html_url_path(ctx.cfg.virtual_root);
-               if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
-                       html("/");
                html_url_path(ctx.repo->url);
                if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
                        html("/");
@@ -241,13 +241,14 @@ static char *repolink(char *title, char *class, char *page, char *head,
        return fmt("%s", delim);
 }
 
-static void reporevlink(char *page, char *name, char *title, char *class,
-                       char *head, char *rev, char *path)
+static void reporevlink(const char *page, const char *name, const char *title,
+                       const char *class, const char *head, const char *rev,
+                       const char *path)
 {
        char *delim;
 
        delim = repolink(title, class, page, head, path);
-       if (rev && strcmp(rev, ctx.qry.head)) {
+       if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
                html(delim);
                html("id=");
                html_url_arg(rev);
@@ -257,47 +258,48 @@ static void reporevlink(char *page, char *name, char *title, char *class,
        html("</a>");
 }
 
-void cgit_summary_link(char *name, char *title, char *class, char *head)
+void cgit_summary_link(const char *name, const char *title, const char *class,
+                      const char *head)
 {
        reporevlink(NULL, name, title, class, head, NULL, NULL);
 }
 
-void cgit_tag_link(char *name, char *title, char *class, char *head,
-                  char *rev)
+void cgit_tag_link(const char *name, const char *title, const char *class,
+                  const char *head, const char *rev)
 {
        reporevlink("tag", name, title, class, head, rev, NULL);
 }
 
-void cgit_tree_link(char *name, char *title, char *class, char *head,
-                   char *rev, char *path)
+void cgit_tree_link(const char *name, const char *title, const char *class,
+                   const char *head, const char *rev, const char *path)
 {
        reporevlink("tree", name, title, class, head, rev, path);
 }
 
-void cgit_plain_link(char *name, char *title, char *class, char *head,
-                    char *rev, char *path)
+void cgit_plain_link(const char *name, const char *title, const char *class,
+                    const char *head, const char *rev, const char *path)
 {
        reporevlink("plain", name, title, class, head, rev, path);
 }
 
-void cgit_log_link(char *name, char *title, char *class, char *head,
-                  char *rev, char *path, int ofs, char *grep, char *pattern,
-                  int showmsg)
+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)
 {
        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);
-               delim = "&";
+               delim = "&amp;";
        }
        if (grep && pattern) {
                html(delim);
                html("qt=");
                html_url_arg(grep);
-               delim = "&";
+               delim = "&amp;";
                html(delim);
                html("q=");
                html_url_arg(pattern);
@@ -306,7 +308,7 @@ void cgit_log_link(char *name, char *title, char *class, char *head,
                html(delim);
                html("ofs=");
                htmlf("%d", ofs);
-               delim = "&";
+               delim = "&amp;";
        }
        if (showmsg) {
                html(delim);
@@ -317,8 +319,9 @@ void cgit_log_link(char *name, char *title, char *class, char *head,
        html("</a>");
 }
 
-void cgit_commit_link(char *name, char *title, char *class, char *head,
-                     char *rev)
+void cgit_commit_link(char *name, const char *title, const char *class,
+                     const char *head, const char *rev, const char *path,
+                     int toggle_ssdiff)
 {
        if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
                name[ctx.cfg.max_msg_len] = '\0';
@@ -326,28 +329,61 @@ void cgit_commit_link(char *name, char *title, char *class, char *head,
                name[ctx.cfg.max_msg_len - 2] = '.';
                name[ctx.cfg.max_msg_len - 3] = '.';
        }
-       reporevlink("commit", name, title, class, head, rev, NULL);
+
+       char *delim;
+
+       delim = repolink(title, class, "commit", head, path);
+       if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) {
+               html(delim);
+               html("id=");
+               html_url_arg(rev);
+               delim = "&amp;";
+       }
+       if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
+               html(delim);
+               html("ss=1");
+               delim = "&amp;";
+       }
+       if (ctx.qry.context > 0 && ctx.qry.context != 3) {
+               html(delim);
+               html("context=");
+               htmlf("%d", ctx.qry.context);
+               delim = "&amp;";
+       }
+       if (ctx.qry.ignorews) {
+               html(delim);
+               html("ignorews=1");
+               delim = "&amp;";
+       }
+       html("'>");
+       if (name[0] != '\0')
+               html_txt(name);
+       else
+               html_txt("(no commit message)");
+       html("</a>");
 }
 
-void cgit_refs_link(char *name, char *title, char *class, char *head,
-                   char *rev, char *path)
+void cgit_refs_link(const char *name, const char *title, const char *class,
+                   const char *head, const char *rev, const char *path)
 {
        reporevlink("refs", name, title, class, head, rev, path);
 }
 
-void cgit_snapshot_link(char *name, char *title, char *class, char *head,
-                       char *rev, char *archivename)
+void cgit_snapshot_link(const char *name, const char *title, const char *class,
+                       const char *head, const char *rev,
+                       const 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)
+void cgit_diff_link(const char *name, const char *title, const char *class,
+                   const char *head, const char *new_rev, const char *old_rev,
+                   const char *path, int toggle_ssdiff)
 {
        char *delim;
 
        delim = repolink(title, class, "diff", head, path);
-       if (new_rev && strcmp(new_rev, ctx.qry.head)) {
+       if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
                html(delim);
                html("id=");
                html_url_arg(new_rev);
@@ -357,24 +393,100 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
                html(delim);
                html("id2=");
                html_url_arg(old_rev);
+               delim = "&amp;";
+       }
+       if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
+               html(delim);
+               html("ss=1");
+               delim = "&amp;";
+       }
+       if (ctx.qry.context > 0 && ctx.qry.context != 3) {
+               html(delim);
+               html("context=");
+               htmlf("%d", ctx.qry.context);
+               delim = "&amp;";
+       }
+       if (ctx.qry.ignorews) {
+               html(delim);
+               html("ignorews=1");
+               delim = "&amp;";
        }
        html("'>");
        html_txt(name);
        html("</a>");
 }
 
-void cgit_patch_link(char *name, char *title, char *class, char *head,
-                    char *rev)
+void cgit_patch_link(const char *name, const char *title, const char *class,
+                    const char *head, const char *rev, const char *path)
 {
-       reporevlink("patch", name, title, class, head, rev, NULL);
+       reporevlink("patch", name, title, class, head, rev, path);
 }
 
-void cgit_stats_link(char *name, char *title, char *class, char *head,
-                    char *path)
+void cgit_stats_link(const char *name, const char *title, const char *class,
+                    const char *head, const char *path)
 {
        reporevlink("stats", name, title, class, head, NULL, path);
 }
 
+static void cgit_self_link(char *name, const char *title, const char *class,
+                          struct cgit_context *ctx)
+{
+       if (!strcmp(ctx->qry.page, "repolist"))
+               cgit_index_link(name, title, class, ctx->qry.search, ctx->qry.sort,
+                               ctx->qry.ofs);
+       else if (!strcmp(ctx->qry.page, "summary"))
+               cgit_summary_link(name, title, class, ctx->qry.head);
+       else if (!strcmp(ctx->qry.page, "tag"))
+               cgit_tag_link(name, title, class, ctx->qry.head,
+                             ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL);
+       else if (!strcmp(ctx->qry.page, "tree"))
+               cgit_tree_link(name, title, class, ctx->qry.head,
+                              ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                              ctx->qry.path);
+       else if (!strcmp(ctx->qry.page, "plain"))
+               cgit_plain_link(name, title, class, ctx->qry.head,
+                               ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                               ctx->qry.path);
+       else if (!strcmp(ctx->qry.page, "log"))
+               cgit_log_link(name, title, class, ctx->qry.head,
+                             ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                             ctx->qry.path, ctx->qry.ofs,
+                             ctx->qry.grep, ctx->qry.search,
+                             ctx->qry.showmsg);
+       else if (!strcmp(ctx->qry.page, "commit"))
+               cgit_commit_link(name, title, class, ctx->qry.head,
+                                ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                                ctx->qry.path, 0);
+       else if (!strcmp(ctx->qry.page, "patch"))
+               cgit_patch_link(name, title, class, ctx->qry.head,
+                               ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                               ctx->qry.path);
+       else if (!strcmp(ctx->qry.page, "refs"))
+               cgit_refs_link(name, title, class, ctx->qry.head,
+                              ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                              ctx->qry.path);
+       else if (!strcmp(ctx->qry.page, "snapshot"))
+               cgit_snapshot_link(name, title, class, ctx->qry.head,
+                                  ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+                                  ctx->qry.path);
+       else if (!strcmp(ctx->qry.page, "diff"))
+               cgit_diff_link(name, title, class, ctx->qry.head,
+                              ctx->qry.sha1, ctx->qry.sha2,
+                              ctx->qry.path, 0);
+       else if (!strcmp(ctx->qry.page, "stats"))
+               cgit_stats_link(name, title, class, ctx->qry.head,
+                               ctx->qry.path);
+       else {
+               /* Don't known how to make link for this page */
+               repolink(title, class, ctx->qry.page, ctx->qry.head, ctx->qry.path);
+               html("><!-- cgit_self_link() doesn't know how to make link for page '");
+               html_txt(ctx->qry.page);
+               html("' -->");
+               html_txt(name);
+               html("</a>");
+       }
+}
+
 void cgit_object_link(struct object *obj)
 {
        char *page, *shortrev, *fullrev, *name;
@@ -383,8 +495,8 @@ void cgit_object_link(struct object *obj)
        shortrev = xstrdup(fullrev);
        shortrev[10] = '\0';
        if (obj->type == OBJ_COMMIT) {
-                cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
-                                ctx.qry.head, fullrev);
+               cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
+                                ctx.qry.head, fullrev, NULL, 0);
                return;
        } else if (obj->type == OBJ_TREE)
                page = "tree";
@@ -396,14 +508,72 @@ void cgit_object_link(struct object *obj)
        reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 }
 
-void cgit_print_date(time_t secs, char *format, int local_time)
+static 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;
+
+       len = 0;
+       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_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);
+       } else {
+               html("#");
+       }
+       html("'>");
+       html_txt(path);
+       html("</a>");
+       html_txtf(" @ %.7s", rev);
+       if (item && tail)
+               path[len - 1] = tail;
+}
+
+void cgit_print_date(time_t secs, const char *format, int local_time)
 {
        char buf[64];
        struct tm *time;
 
        if (!secs)
                return;
-       if(local_time)
+       if (local_time)
                time = localtime(&secs);
        else
                time = gmtime(&secs);
@@ -411,7 +581,7 @@ void cgit_print_date(time_t secs, char *format, int local_time)
        html_txt(buf);
 }
 
-void cgit_print_age(time_t t, time_t max_relative, char *format)
+void cgit_print_age(time_t t, time_t max_relative, const char *format)
 {
        time_t now, secs;
 
@@ -456,24 +626,39 @@ void cgit_print_age(time_t t, time_t max_relative, char *format)
 
 void cgit_print_http_headers(struct cgit_context *ctx)
 {
+       if (ctx->env.no_http && !strcmp(ctx->env.no_http, "1"))
+               return;
+
+       if (ctx->page.status)
+               htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg);
        if (ctx->page.mimetype && ctx->page.charset)
                htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
                      ctx->page.charset);
        else if (ctx->page.mimetype)
                htmlf("Content-Type: %s\n", ctx->page.mimetype);
        if (ctx->page.size)
-               htmlf("Content-Length: %ld\n", ctx->page.size);
+               htmlf("Content-Length: %zd\n", ctx->page.size);
        if (ctx->page.filename)
                htmlf("Content-Disposition: inline; filename=\"%s\"\n",
                      ctx->page.filename);
        htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
        htmlf("Expires: %s\n", http_date(ctx->page.expires));
+       if (ctx->page.etag)
+               htmlf("ETag: \"%s\"\n", ctx->page.etag);
        html("\n");
+       if (ctx->env.request_method && !strcmp(ctx->env.request_method, "HEAD"))
+               exit(0);
 }
 
 void cgit_print_docstart(struct cgit_context *ctx)
 {
-       char *host = cgit_hosturl();
+       if (ctx->cfg.embedded) {
+               if (ctx->cfg.header)
+                       html_include(ctx->cfg.header);
+               return;
+       }
+
+       const char *host = cgit_hosturl();
        html(cgit_doctype);
        html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
        html("<head>\n");
@@ -491,20 +676,35 @@ void cgit_print_docstart(struct cgit_context *ctx)
                html_attr(ctx->cfg.favicon);
                html("'/>\n");
        }
-       if (host && ctx->repo) {
-               html("<link rel='alternate' title='Atom feed' href='http://");
+       if (host && ctx->repo && ctx->qry.head) {
+               struct strbuf sb = STRBUF_INIT;
+               strbuf_addf(&sb, "h=%s", ctx->qry.head);
+
+               html("<link rel='alternate' title='Atom feed' href='");
+               html(cgit_httpscheme());
                html_attr(cgit_hosturl());
-               html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
-                                      fmt("h=%s", ctx->qry.head)));
-               html("' type='application/atom+xml'/>");
+               html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.vpath,
+                                      sb.buf));
+               html("' type='application/atom+xml'/>\n");
+               strbuf_release(&sb);
        }
+       if (ctx->cfg.head_include)
+               html_include(ctx->cfg.head_include);
        html("</head>\n");
        html("<body>\n");
+       if (ctx->cfg.header)
+               html_include(ctx->cfg.header);
 }
 
 void cgit_print_docend()
 {
-       html("</div>");
+       html("</div> <!-- class=content -->\n");
+       if (ctx.cfg.embedded) {
+               html("</div> <!-- id=cgit -->\n");
+               if (ctx.cfg.footer)
+                       html_include(ctx.cfg.footer);
+               return;
+       }
        if (ctx.cfg.footer)
                html_include(ctx.cfg.footer);
        else {
@@ -513,65 +713,29 @@ void cgit_print_docend()
                cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
                html("</div>\n");
        }
+       html("</div> <!-- id=cgit -->\n");
        html("</body>\n</html>\n");
 }
 
-int print_branch_option(const char *refname, const unsigned char *sha1,
-                       int flags, void *cb_data)
+static int print_branch_option(const char *refname, const unsigned char *sha1,
+                              int flags, void *cb_data)
 {
        char *name = (char *)refname;
        html_option(name, name, ctx.qry.head);
        return 0;
 }
 
-int print_archive_ref(const char *refname, const unsigned char *sha1,
-                      int flags, void *cb_data)
-{
-       struct tag *tag;
-       struct taginfo *info;
-       struct object *obj;
-       char buf[256], *url;
-       unsigned char fileid[20];
-       int *header = (int *)cb_data;
-
-       if (prefixcmp(refname, "refs/archives"))
-               return 0;
-       strncpy(buf, refname+14, sizeof(buf));
-       obj = parse_object(sha1);
-       if (!obj)
-               return 1;
-       if (obj->type == OBJ_TAG) {
-               tag = lookup_tag(sha1);
-               if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
-                       return 0;
-               hashcpy(fileid, tag->tagged->sha1);
-       } else if (obj->type != OBJ_BLOB) {
-               return 0;
-       } else {
-               hashcpy(fileid, sha1);
-       }
-       if (!*header) {
-               html("<h1>download</h1>\n");
-               *header = 1;
-       }
-       url = cgit_pageurl(ctx.qry.repo, "blob",
-                          fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
-                              buf));
-       html_link_open(url, NULL, "menu");
-       html_txt(strlpart(buf, 20));
-       html_link_close();
-       return 0;
-}
-
-void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
+void cgit_add_hidden_formfields(int incl_head, int incl_search,
+                               const char *page)
 {
-       char *url;
-
        if (!ctx.cfg.virtual_root) {
-               url = fmt("%s/%s", ctx.qry.repo, page);
-               if (ctx.qry.path)
-                       url = fmt("%s/%s", url, ctx.qry.path);
-               html_hidden("url", url);
+               struct strbuf url = STRBUF_INIT;
+
+               strbuf_addf(&url, "%s/%s", ctx.qry.repo, page);
+               if (ctx.qry.vpath)
+                       strbuf_addf(&url, "/%s", ctx.qry.vpath);
+               html_hidden("url", url.buf);
+               strbuf_release(&url);
        }
 
        if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
@@ -593,34 +757,61 @@ void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
        }
 }
 
-const char *fallback_cmd = "repolist";
-
-char *hc(struct cgit_cmd *cmd, const char *page)
+static const char *hc(struct cgit_context *ctx, const char *page)
 {
-       return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active");
+       return strcmp(ctx->qry.page, page) ? NULL : "active";
 }
 
-void cgit_print_pageheader(struct cgit_context *ctx)
+static void cgit_print_path_crumbs(struct cgit_context *ctx, char *path)
 {
-       struct cgit_cmd *cmd = cgit_get_cmd(ctx);
+       char *old_path = ctx->qry.path;
+       char *p = path, *q, *end = path + strlen(path);
 
-       if (!cmd && ctx->repo)
-               fallback_cmd = "summary";
+       ctx->qry.path = NULL;
+       cgit_self_link("root", NULL, NULL, ctx);
+       ctx->qry.path = p = path;
+       while (p < end) {
+               if (!(q = strchr(p, '/')))
+                       q = end;
+               *q = '\0';
+               html_txt("/");
+               cgit_self_link(p, NULL, NULL, ctx);
+               if (q < end)
+                       *q = '/';
+               p = q + 1;
+       }
+       ctx->qry.path = old_path;
+}
+
+static void print_header(struct cgit_context *ctx)
+{
+       char *logo = NULL, *logo_link = NULL;
 
        html("<table id='header'>\n");
        html("<tr>\n");
-       html("<td class='logo' rowspan='2'><a href='");
-       if (ctx->cfg.logo_link)
-               html_attr(ctx->cfg.logo_link);
+
+       if (ctx->repo && ctx->repo->logo && *ctx->repo->logo)
+               logo = ctx->repo->logo;
        else
-               html_attr(cgit_rooturl());
-       html("'><img src='");
-       html_attr(ctx->cfg.logo);
-       html("' alt='cgit logo'/></a></td>\n");
+               logo = ctx->cfg.logo;
+       if (ctx->repo && ctx->repo->logo_link && *ctx->repo->logo_link)
+               logo_link = ctx->repo->logo_link;
+       else
+               logo_link = ctx->cfg.logo_link;
+       if (logo && *logo) {
+               html("<td class='logo' rowspan='2'><a href='");
+               if (logo_link && *logo_link)
+                       html_attr(logo_link);
+               else
+                       html_attr(cgit_rooturl());
+               html("'><img src='");
+               html_attr(logo);
+               html("' alt='cgit logo'/></a></td>\n");
+       }
 
        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'>");
@@ -647,39 +838,48 @@ void cgit_print_pageheader(struct cgit_context *ctx)
                        html_include(ctx->cfg.index_info);
        }
        html("</td></tr></table>\n");
+}
+
+void cgit_print_pageheader(struct cgit_context *ctx)
+{
+       html("<div id='cgit'>");
+       if (!ctx->cfg.noheader)
+               print_header(ctx);
 
        html("<table class='tabs'><tr><td>\n");
        if (ctx->repo) {
-               cgit_summary_link("summary", NULL, hc(cmd, "summary"),
+               cgit_summary_link("summary", NULL, hc(ctx, "summary"),
                                  ctx->qry.head);
-               cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
+               cgit_refs_link("refs", NULL, hc(ctx, "refs"), ctx->qry.head,
                               ctx->qry.sha1, NULL);
-               cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
-                             NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg);
-               cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
-                              ctx->qry.sha1, NULL);
-               cgit_commit_link("commit", NULL, hc(cmd, "commit"),
-                                ctx->qry.head, ctx->qry.sha1);
-               cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
-                              ctx->qry.sha1, ctx->qry.sha2, NULL);
+               cgit_log_link("log", NULL, hc(ctx, "log"), ctx->qry.head,
+                             NULL, ctx->qry.vpath, 0, NULL, NULL,
+                             ctx->qry.showmsg);
+               cgit_tree_link("tree", NULL, hc(ctx, "tree"), ctx->qry.head,
+                              ctx->qry.sha1, ctx->qry.vpath);
+               cgit_commit_link("commit", NULL, hc(ctx, "commit"),
+                                ctx->qry.head, ctx->qry.sha1, ctx->qry.vpath, 0);
+               cgit_diff_link("diff", NULL, hc(ctx, "diff"), ctx->qry.head,
+                              ctx->qry.sha1, ctx->qry.sha2, ctx->qry.vpath, 0);
                if (ctx->repo->max_stats)
-                       cgit_stats_link("stats", NULL, hc(cmd, "stats"),
-                                       ctx->qry.head, NULL);
-               if (ctx->repo->readme)
+                       cgit_stats_link("stats", NULL, hc(ctx, "stats"),
+                                       ctx->qry.head, ctx->qry.vpath);
+               if (ctx->repo->readme.nr)
                        reporevlink("about", "about", NULL,
-                                   hc(cmd, "about"), ctx->qry.head, NULL,
+                                   hc(ctx, "about"), ctx->qry.head, NULL,
                                    NULL);
                html("</td><td class='form'>");
                html("<form class='right' method='get' action='");
                if (ctx->cfg.virtual_root)
                        html_url_path(cgit_fileurl(ctx->qry.repo, "log",
-                                                  ctx->qry.path, NULL));
+                                                  ctx->qry.vpath, NULL));
                html("'>\n");
                cgit_add_hidden_formfields(1, 0, "log");
                html("<select name='qt'>\n");
                html_option("grep", "log msg", ctx->qry.grep);
                html_option("author", "author", ctx->qry.grep);
                html_option("committer", "committer", ctx->qry.grep);
+               html_option("range", "range", ctx->qry.grep);
                html("</select>\n");
                html("<input class='txt' type='text' size='10' name='q' value='");
                html_attr(ctx->qry.search);
@@ -687,10 +887,10 @@ 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(cmd, "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(cmd, "about"),
-                                 NULL, 0);
+                       site_link("about", "about", NULL, hc(ctx, "about"),
+                                 NULL, NULL, 0);
                html("</td><td class='form'>");
                html("<form method='get' action='");
                html_attr(cgit_rooturl());
@@ -702,6 +902,12 @@ void cgit_print_pageheader(struct cgit_context *ctx)
                html("</form>");
        }
        html("</td></tr></table>\n");
+       if (ctx->qry.vpath) {
+               html("<div class='path'>");
+               html("path: ");
+               cgit_print_path_crumbs(ctx, ctx->qry.vpath);
+               html("</div>");
+       }
        html("<div class='content'>");
 }
 
@@ -724,14 +930,23 @@ void cgit_print_snapshot_links(const char *repo, const char *head,
                               const char *hex, int snapshots)
 {
        const struct cgit_snapshot_format* f;
-       char *filename;
-
+       struct strbuf filename = STRBUF_INIT;
+       size_t prefixlen;
+       unsigned char sha1[20];
+
+       if (get_sha1(fmt("refs/tags/%s", hex), sha1) == 0 &&
+           (hex[0] == 'v' || hex[0] == 'V') && isdigit(hex[1]))
+               hex++;
+       strbuf_addf(&filename, "%s-%s", cgit_repobasename(repo), hex);
+       prefixlen = filename.len;
        for (f = cgit_snapshot_formats; f->suffix; f++) {
                if (!(snapshots & f->bit))
                        continue;
-               filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
-                              f->suffix);
-               cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
+               strbuf_setlen(&filename, prefixlen);
+               strbuf_addstr(&filename, f->suffix);
+               cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL,
+                                  filename.buf);
                html("<br/>");
        }
+       strbuf_release(&filename);
 }