1 files changed, 217 insertions, 71 deletions

diff --git a/ui-shared.c b/ui-shared.c
index d1b020b..5aa9119 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -27,7 +27,7 @@ static char *http_date(time_t t)
 		   tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
-void cgit_print_error(char *msg)
+void cgit_print_error(const char *msg)
 {
 	html("<div class='error'>");
 	html_txt(msg);
@@ -133,7 +133,7 @@ char *cgit_currurl()
 		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, int ofs)
 {
 	char *delim = "?";
 
@@ -160,8 +160,8 @@ 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, int ofs)
 {
 	html("<a");
 	if (title) {
@@ -181,14 +181,14 @@ static void site_link(char *page, char *name, char *title, char *class,
 	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, int ofs)
 {
 	site_link(NULL, name, title, class, pattern, 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 = "?";
 
@@ -240,8 +240,9 @@ 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;
 
@@ -256,32 +257,33 @@ 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;
 
@@ -316,8 +318,9 @@ 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';
@@ -325,23 +328,53 @@ 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 && 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("'>");
+	html_txt(name);
+	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;
 
@@ -356,24 +389,99 @@ 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);
 }
 
+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,
+				       ctx->qry.ofs);
+	else if (!strcmp(ctx->qry.page, "summary"))
+		return cgit_summary_link(name, title, class, ctx->qry.head);
+	else if (!strcmp(ctx->qry.page, "tag"))
+		return cgit_tag_link(name, title, class, ctx->qry.head,
+				     ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL);
+	else if (!strcmp(ctx->qry.page, "tree"))
+		return 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"))
+		return 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"))
+		return 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"))
+		return 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"))
+		return 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"))
+		return 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"))
+		return 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"))
+		return 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"))
+		return cgit_stats_link(name, title, class, ctx->qry.head,
+				      ctx->qry.path);
+
+	/* 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;
@@ -383,7 +491,7 @@ void cgit_object_link(struct object *obj)
 	shortrev[10] = '\0';
 	if (obj->type == OBJ_COMMIT) {
                 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
-				 ctx.qry.head, fullrev);
+				 ctx.qry.head, fullrev, NULL, 0);
 		return;
 	} else if (obj->type == OBJ_TREE)
 		page = "tree";
@@ -395,7 +503,7 @@ 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)
+void cgit_print_date(time_t secs, const char *format, int local_time)
 {
 	char buf[64];
 	struct tm *time;
@@ -410,7 +518,7 @@ 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;
 
@@ -509,7 +617,7 @@ void cgit_print_docstart(struct cgit_context *ctx)
 		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,
+		html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.vpath,
 				       fmt("h=%s", ctx->qry.head)));
 		html("' type='application/atom+xml'/>\n");
 	}
@@ -589,14 +697,15 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
 	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);
+		if (ctx.qry.vpath)
+			url = fmt("%s/%s", url, ctx.qry.vpath);
 		html_hidden("url", url);
 	}
 
@@ -619,26 +728,55 @@ void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
 	}
 }
 
-const char *fallback_cmd = "repolist";
+static const char *hc(struct cgit_context *ctx, const char *page)
+{
+	return strcmp(ctx->qry.page, page) ? NULL : "active";
+}
 
-char *hc(struct cgit_cmd *cmd, const char *page)
+static void cgit_print_path_crumbs(struct cgit_context *ctx, char *path)
 {
-	return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active");
+	char *old_path = ctx->qry.path;
+	char *p = path, *q, *end = path + strlen(path);
+
+	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");
 
-	if (ctx->cfg.logo && ctx->cfg.logo[0] != 0) {
+	if (ctx->repo && ctx->repo->logo && *ctx->repo->logo)
+		logo = ctx->repo->logo;
+	else
+		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 (ctx->cfg.logo_link)
-			html_attr(ctx->cfg.logo_link);
+		if (logo_link && *logo_link)
+			html_attr(logo_link);
 		else
 			html_attr(cgit_rooturl());
 		html("'><img src='");
-		html_attr(ctx->cfg.logo);
+		html_attr(logo);
 		html("' alt='cgit logo'/></a></td>\n");
 	}
 
@@ -675,47 +813,44 @@ static void print_header(struct cgit_context *ctx)
 
 void cgit_print_pageheader(struct cgit_context *ctx)
 {
-	struct cgit_cmd *cmd = cgit_get_cmd(ctx);
-
-	if (!cmd && ctx->repo)
-		fallback_cmd = "summary";
-
 	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);
+			cgit_stats_link("stats", NULL, hc(ctx, "stats"),
+					ctx->qry.head, ctx->qry.vpath);
 		if (ctx->repo->readme)
 			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);
@@ -723,9 +858,9 @@ 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, 0);
 		if (ctx->cfg.root_readme)
-			site_link("about", "about", NULL, hc(cmd, "about"),
+			site_link("about", "about", NULL, hc(ctx, "about"),
 				  NULL, 0);
 		html("</td><td class='form'>");
 		html("<form method='get' action='");
@@ -738,6 +873,12 @@ 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'>");
 }
 
@@ -760,13 +901,18 @@ void cgit_print_snapshot_links(const char *repo, const char *head,
 			       const char *hex, int snapshots)
 {
 	const struct cgit_snapshot_format* f;
+	char *prefix;
     	char *filename;
+	unsigned char sha1[20];
 
+	if (get_sha1(fmt("refs/tags/%s", hex), sha1) == 0 &&
+	    (hex[0] == 'v' || hex[0] == 'V') && isdigit(hex[1]))
+		hex++;
+	prefix = xstrdup(fmt("%s-%s", cgit_repobasename(repo), hex));
 	for (f = cgit_snapshot_formats; f->suffix; f++) {
 		if (!(snapshots & f->bit))
 			continue;
-		filename = fmt("%s-%s%s", cgit_repobasename(repo), hex,
-			       f->suffix);
+		filename = fmt("%s%s", prefix, f->suffix);
 		cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
 		html("<br/>");
 	}