Merge branch 'lh/menu'

* lh/menu:
  Add ofs argument to cgit_log_link and use it in ui-log.c
  Add trim_end() and use it to remove trailing slashes from repo paths
  Do not include current path in the "tree" menu link
  Add setting to enable/disable extra links on index page
  Change S/L/T to summary/log/tree
  Change "files" to "tree"
  Include querystring as part of cached filename for repo summary page
  Add more menuitems on repo pages

11 files changed, 145 insertions, 53 deletions

diff --git a/cgit.c b/cgit.c
index 11dff76..d9a03c2 100644
--- a/cgit.c
+++ b/cgit.c
@@ -23,19 +23,21 @@ static int cgit_prepare_cache(struct cacheitem *item)
 		item->name = xstrdup(fmt("%s/index.html", cgit_cache_root));
 		item->ttl = cgit_cache_root_ttl;
 		return 1;
 	}
 
 	if (!cgit_cmd) {
-		item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root,
-			   cache_safe_filename(cgit_repo->url)));
+		item->name = xstrdup(fmt("%s/%s/index.%s.html", cgit_cache_root,
+					 cache_safe_filename(cgit_repo->url),
+					 cache_safe_filename(cgit_querystring)));
 		item->ttl = cgit_cache_repo_ttl;
 	} else {
 		item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root,
-			   cache_safe_filename(cgit_repo->url), cgit_query_page,
-			   cache_safe_filename(cgit_querystring)));
+					 cache_safe_filename(cgit_repo->url),
+					 cgit_query_page,
+					 cache_safe_filename(cgit_querystring)));
 		if (cgit_query_has_symref)
 			item->ttl = cgit_cache_dynamic_ttl;
 		else if (cgit_query_has_sha1)
 			item->ttl = cgit_cache_static_ttl;
 		else
 			item->ttl = cgit_cache_repo_ttl;
diff --git a/cgit.css b/cgit.css
index cda437e..112dac1 100644
--- a/cgit.css
+++ b/cgit.css
@@ -92,12 +92,20 @@ td#header {
 	font-size: 150%;
 	font-weight: bold;
 	padding: 0.2em 0.5em;
 	vertical-align: text-bottom;
 }
 
+td#header a {
+	color: #666;
+}
+
+td#header a:hoved {
+	text-decoration: underline;
+}
+
 td#logo {
 	text-align: right;
 	vertical-align: middle;
 	padding-right: 0.5em;
 }
 
@@ -113,17 +121,19 @@ td#crumb {
 	font-weight: bold;
 }
 
 td#crumb a {
 	color: #ccc;
 	background-color: #666;
+	padding: 0em 0.5em 0em 0.5em;
 }
 
 td#crumb a:hover {
-	color: #eee;
-	background-color: #666;
+	color: #666;
+	background-color: #ccc;
+	text-decoration: none;
 }
 
 td#search {
 	text-align: right;
 	vertical-align: middle;
 	padding-right: 0.5em;
@@ -358,22 +368,23 @@ table.list td.repogroup {
 	font-style: italic;
 	color: #888;
 }
 
 a.button {
 	font-size: 80%;
-	color: #333;
-	background-color: #ccc;
-	border: solid 1px #999;
+	color: #aaa;
+	background-color: #eee;
+	border: solid 1px #aaa;
 	padding: 0em 0.5em;
 	margin: 0.1em 0.25em;
 }
 
 a.button:hover {
 	text-decoration: none;
-	background-color: #eee;
+	color: #333;
+	background-color: #ccc;
 }
 
 a.primary {
 	font-size: 100%;
 }
 
diff --git a/cgit.h b/cgit.h
index 9558362..2ff5340 100644
--- a/cgit.h
+++ b/cgit.h
@@ -115,12 +115,13 @@ extern char *cgit_virtual_root;
 extern char *cgit_script_name;
 extern char *cgit_cache_root;
 extern char *cgit_repo_group;
 
 extern int cgit_nocache;
 extern int cgit_snapshots;
+extern int cgit_enable_index_links;
 extern int cgit_enable_log_filecount;
 extern int cgit_enable_log_linecount;
 extern int cgit_max_lock_attempts;
 extern int cgit_cache_root_ttl;
 extern int cgit_cache_repo_ttl;
 extern int cgit_cache_dynamic_ttl;
@@ -155,12 +156,13 @@ extern void cgit_repo_config_cb(const char *name, const char *value);
 extern void cgit_querystring_cb(const char *name, const char *value);
 
 extern int chk_zero(int result, char *msg);
 extern int chk_positive(int result, char *msg);
 
 extern int hextoint(char c);
+extern char *trim_end(const char *str, char c);
 
 extern void *cgit_free_commitinfo(struct commitinfo *info);
 
 extern int cgit_diff_files(const unsigned char *old_sha1,
 			   const unsigned char *new_sha1,
 			   linediff_fn fn);
@@ -201,13 +203,13 @@ extern char *cgit_repourl(const char *reponame);
 extern char *cgit_pageurl(const char *reponame, const char *pagename,
 			  const char *query);
 
 extern void cgit_tree_link(char *name, char *title, char *class, char *head,
 			   char *rev, char *path);
 extern void cgit_log_link(char *name, char *title, char *class, char *head,
-			  char *rev, char *path);
+			  char *rev, char *path, int ofs);
 extern void cgit_commit_link(char *name, char *title, char *class, char *head,
 			     char *rev);
 extern void cgit_diff_link(char *name, char *title, char *class, char *head,
 			   char *new_rev, char *old_rev, char *path);
 
 extern void cgit_print_error(char *msg);
diff --git a/cgitrc b/cgitrc
index 0f602e4..40877f8 100644
--- a/cgitrc
+++ b/cgitrc
@@ -9,12 +9,16 @@
 
 
 ## Enable/disable snapshots by default. This can be overridden per repo
 #snapshots=0
 
 
+## Enable/disable extra links to summary/log/tree per repo on index page
+#enable-index-links=0
+
+
 ## Enable/disable display of 'number of files changed' in log view
 #enable-log-filecount=0
 
 
 ## Enable/disable display of 'number of lines changed' in log view
 #enable-log-linecount=0
diff --git a/parsing.c b/parsing.c
index 74a2484..2c05c09 100644
--- a/parsing.c
+++ b/parsing.c
@@ -165,13 +165,13 @@ void cgit_parse_url(const char *url)
 
 		cgit_query_repo = cgit_repo->url;
 		p = strchr(cmd + 1, '/');
 		if (p) {
 			p[0] = '\0';
 			if (p[1])
-				cgit_query_path = xstrdup(p + 1);
+				cgit_query_path = trim_end(p + 1, '/');
 		}
 		cgit_cmd = cgit_get_cmd_index(cmd + 1);
 		cgit_query_page = xstrdup(cmd + 1);
 		return;
 	}
 }
diff --git a/shared.c b/shared.c
index f7f43b2..1a5b866 100644
--- a/shared.c
+++ b/shared.c
@@ -25,12 +25,13 @@ char *cgit_virtual_root = NULL;
 char *cgit_script_name  = CGIT_SCRIPT_NAME;
 char *cgit_cache_root   = "/var/cache/cgit";
 char *cgit_repo_group   = NULL;
 
 int cgit_nocache               =  0;
 int cgit_snapshots             =  0;
+int cgit_enable_index_links    =  0;
 int cgit_enable_log_filecount  =  0;
 int cgit_enable_log_linecount  =  0;
 int cgit_max_lock_attempts     =  5;
 int cgit_cache_root_ttl        =  5;
 int cgit_cache_repo_ttl        =  5;
 int cgit_cache_dynamic_ttl     =  5;
@@ -145,12 +146,14 @@ void cgit_global_config_cb(const char *name, const char *value)
 	else if (!strcmp(name, "virtual-root"))
 		cgit_virtual_root = xstrdup(value);
 	else if (!strcmp(name, "nocache"))
 		cgit_nocache = atoi(value);
 	else if (!strcmp(name, "snapshots"))
 		cgit_snapshots = atoi(value);
+	else if (!strcmp(name, "enable-index-links"))
+		cgit_enable_index_links = atoi(value);
 	else if (!strcmp(name, "enable-log-filecount"))
 		cgit_enable_log_filecount = atoi(value);
 	else if (!strcmp(name, "enable-log-linecount"))
 		cgit_enable_log_linecount = atoi(value);
 	else if (!strcmp(name, "cache-root"))
 		cgit_cache_root = xstrdup(value);
@@ -224,13 +227,13 @@ void cgit_querystring_cb(const char *name, const char *value)
 	} else if (!strcmp(name, "id2")) {
 		cgit_query_sha2 = xstrdup(value);
 		cgit_query_has_sha1 = 1;
 	} else if (!strcmp(name, "ofs")) {
 		cgit_query_ofs = atoi(value);
 	} else if (!strcmp(name, "path")) {
-		cgit_query_path = xstrdup(value);
+		cgit_query_path = trim_end(value, '/');
 	} else if (!strcmp(name, "name")) {
 		cgit_query_name = xstrdup(value);
 	}
 }
 
 void *cgit_free_commitinfo(struct commitinfo *info)
@@ -253,12 +256,34 @@ int hextoint(char c)
 	else if (c >= '0' && c <= '9')
 		return c - '0';
 	else
 		return -1;
 }
 
+char *trim_end(const char *str, char c)
+{
+	int len;
+	char *s, *t;
+
+	if (str == NULL)
+		return NULL;
+	t = (char *)str;
+	len = strlen(t);
+	while(len > 0 && t[len - 1] == c)
+		len--;
+
+	if (len == 0)
+		return NULL;
+
+	c = t[len];
+	t[len] = '\0';
+	s = xstrdup(t);
+	t[len] = c;
+	return s;
+}
+
 void cgit_diff_tree_cb(struct diff_queue_struct *q,
 		       struct diff_options *options, void *data)
 {
 	int i;
 
 	for (i = 0; i < q->nr; i++) {
diff --git a/ui-log.c b/ui-log.c
index 95cb453..d38e40a 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -110,21 +110,19 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *path, i
 	}
 	html("</table>\n");
 
 	if (pager) {
 		html("<div class='pager'>");
 		if (ofs > 0) {
-			html("&nbsp;<a href='");
-			html(cgit_pageurl(cgit_query_repo, cgit_query_page,
-					  fmt("h=%s&amp;ofs=%d", tip, ofs-cnt)));
-			html("'>[prev]</a>&nbsp;");
+			cgit_log_link("[prev]", NULL, NULL, cgit_query_head,
+				      cgit_query_sha1, cgit_query_path,
+				      ofs - cnt);
+			html("&nbsp;");
 		}
-
 		if ((commit = get_revision(&rev)) != NULL) {
-			html("&nbsp;<a href='");
-			html(cgit_pageurl(cgit_query_repo, "log",
-					  fmt("h=%s&amp;ofs=%d", tip, ofs+cnt)));
-			html("'>[next]</a>&nbsp;");
+			cgit_log_link("[next]", NULL, NULL, cgit_query_head,
+				      cgit_query_sha1, cgit_query_path,
+				      ofs + cnt);
 		}
 		html("</div>");
 	}
 }
diff --git a/ui-repolist.c b/ui-repolist.c
index 2018dab..4c86543 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -41,38 +41,45 @@ static void print_modtime(struct repoinfo *repo)
 		return;
 	cgit_print_age(s.st_mtime, -1, NULL);
 }
 
 void cgit_print_repolist(struct cacheitem *item)
 {
-	int i;
+	int i, columns = 4;
 	char *last_group = NULL;
 
+	if (cgit_enable_index_links)
+		columns++;
+
 	cgit_print_docstart(cgit_root_title, item);
 	cgit_print_pageheader(cgit_root_title, 0);
 
 	html("<table class='list nowrap'>");
 	if (cgit_index_header) {
-		html("<tr class='nohover'><td colspan='5' class='include-block'>");
+		htmlf("<tr class='nohover'><td colspan='%d' class='include-block'>",
+		      columns);
 		html_include(cgit_index_header);
 		html("</td></tr>");
 	}
 	html("<tr class='nohover'>"
 	     "<th class='left'>Name</th>"
 	     "<th class='left'>Description</th>"
 	     "<th class='left'>Owner</th>"
-	     "<th class='left'>Idle</th>"
-	     "<th>Links</th></tr>\n");
+	     "<th class='left'>Idle</th>");
+	if (cgit_enable_index_links)
+		html("<th>Links</th>");
+	html("</tr>\n");
 
 	for (i=0; i<cgit_repolist.count; i++) {
 		cgit_repo = &cgit_repolist.repos[i];
 		if ((last_group == NULL && cgit_repo->group != NULL) ||
 		    (last_group != NULL && cgit_repo->group == NULL) ||
 		    (last_group != NULL && cgit_repo->group != NULL &&
 		     strcmp(cgit_repo->group, last_group))) {
-			html("<tr class='nohover'><td colspan='4' class='repogroup'>");
+			htmlf("<tr class='nohover'><td colspan='%d' class='repogroup'>",
+			      columns);
 			html_txt(cgit_repo->group);
 			html("</td></tr>");
 			last_group = cgit_repo->group;
 		}
 		htmlf("<tr><td class='%s'>",
 		      cgit_repo->group ? "sublevel-repo" : "toplevel-repo");
@@ -82,17 +89,21 @@ void cgit_print_repolist(struct cacheitem *item)
 		html("</td><td>");
 		html_ntxt(cgit_max_repodesc_len, cgit_repo->desc);
 		html("</td><td>");
 		html_txt(cgit_repo->owner);
 		html("</td><td>");
 		print_modtime(cgit_repo);
-		html("</td><td>");
-		html_link_open(cgit_repourl(cgit_repo->url),
-			       "Summary", "button");
-		html("S</a>");
-		cgit_log_link("L", "Log", "button", NULL, NULL, NULL);
-		cgit_tree_link("F", "Files", "button", NULL, NULL, NULL);
-		html("</td></tr>\n");
+		html("</td>");
+		if (cgit_enable_index_links) {
+			html("<td>");
+			html_link_open(cgit_repourl(cgit_repo->url),
+				       NULL, "button");
+			html("summary</a>");
+			cgit_log_link("log", NULL, "button", NULL, NULL, NULL, 0);
+			cgit_tree_link("tree", NULL, "button", NULL, NULL, NULL);
+			html("</td>");
+		}
+		html("</tr>\n");
 	}
 	html("</table>");
 	cgit_print_docend();
 }
diff --git a/ui-shared.c b/ui-shared.c
index 110c696..d4376ce 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -108,26 +108,30 @@ static char *repolink(char *title, char *class, char *page, char *head,
 		html_attr(cgit_virtual_root);
 		if (cgit_virtual_root[strlen(cgit_virtual_root) - 1] != '/')
 			html("/");
 		html_attr(cgit_repo->url);
 		if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
 			html("/");
-		html(page);
-		html("/");
-		if (path)
-			html_attr(path);
+		if (page) {
+			html(page);
+			html("/");
+			if (path)
+				html_attr(path);
+		}
 	} else {
 		html(cgit_script_name);
 		html("?url=");
 		html_attr(cgit_repo->url);
 		if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/')
 			html("/");
-		html(page);
-		html("/");
-		if (path)
-			html_attr(path);
+		if (page) {
+			html(page);
+			html("/");
+			if (path)
+				html_attr(path);
+		}
 		delim = "&amp;";
 	}
 	if (head && strcmp(head, cgit_repo->defbranch)) {
 		html(delim);
 		html("h=");
 		html_attr(head);
@@ -156,15 +160,31 @@ void cgit_tree_link(char *name, char *title, char *class, char *head,
 		    char *rev, char *path)
 {
 	reporevlink("tree", name, title, class, head, rev, path);
 }
 
 void cgit_log_link(char *name, char *title, char *class, char *head,
-		   char *rev, char *path)
+		   char *rev, char *path, int ofs)
 {
-	reporevlink("log", name, title, class, head, rev, path);
+	char *delim;
+
+	delim = repolink(title, class, "log", head, path);
+	if (rev && strcmp(rev, cgit_query_head)) {
+		html(delim);
+		html("id=");
+		html_attr(rev);
+		delim = "&";
+	}
+	if (ofs > 0) {
+		html(delim);
+		html("ofs=");
+		htmlf("%d", ofs);
+	}
+	html("'>");
+	html_txt(name);
+	html("</a>");
 }
 
 void cgit_commit_link(char *name, char *title, char *class, char *head,
 		      char *rev)
 {
 	if (strlen(name) > cgit_max_msg_len && cgit_max_msg_len >= 15) {
@@ -276,25 +296,44 @@ void cgit_print_docend()
 	html("</body>\n</html>\n");
 }
 
 void cgit_print_pageheader(char *title, int show_search)
 {
 	html("<table id='layout'>");
-	html("<tr><td id='header'>");
-	html(cgit_root_title);
-	html("</td><td id='logo'>");
+	html("<tr><td id='header'><a href='");
+	html_attr(cgit_rooturl());
+	html("'>");
+	html_txt(cgit_root_title);
+	html("</a></td><td id='logo'>");
 	html("<a href='");
 	html_attr(cgit_logo_link);
 	htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo);
 	html("</td></tr>");
 	html("<tr><td id='crumb'>");
-	htmlf("<a href='%s'>root</a>", cgit_rooturl());
 	if (cgit_query_repo) {
-		htmlf(" : <a href='%s'>", cgit_repourl(cgit_repo->url));
 		html_txt(cgit_repo->name);
-		htmlf("</a> : %s", title);
+		html(" (");
+		html_txt(cgit_query_head);
+		html(") : &nbsp;");
+		reporevlink(NULL, "summary", NULL, NULL, cgit_query_head,
+			    NULL, NULL);
+		html(" ");
+		cgit_log_link("log", NULL, NULL, cgit_query_head,
+			      cgit_query_sha1, cgit_query_path, 0);
+		html(" ");
+		cgit_tree_link("tree", NULL, NULL, cgit_query_head,
+			       cgit_query_sha1, NULL);
+		html(" ");
+		cgit_commit_link("commit", NULL, NULL, cgit_query_head,
+			      cgit_query_sha1);
+		html(" ");
+		cgit_diff_link("diff", NULL, NULL, cgit_query_head,
+			       cgit_query_sha1, cgit_query_sha2,
+			       cgit_query_path);
+	} else {
+		html_txt("Index of repositories");
 	}
 	html("</td>");
 	html("<td id='search'>");
 	if (show_search) {
 		html("<form method='get' action='");
 		html_attr(cgit_currurl());
diff --git a/ui-summary.c b/ui-summary.c
index 03dd078..b4bc6d8 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -24,13 +24,13 @@ static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
 	// object is not really parsed at this point, because of some fallout
 	// from previous calls to git functions in cgit_print_log()
 	commit->object.parsed = 0;
 	if (commit && !parse_commit(commit)){
 		info = cgit_parse_commit(commit);
 		html("<tr><td>");
-		cgit_log_link(ref, NULL, NULL, ref, NULL, NULL);
+		cgit_log_link(ref, NULL, NULL, ref, NULL, NULL, 0);
 		html("</td><td>");
 		cgit_print_age(commit->date, -1, NULL);
 		html("</td><td>");
 		html_txt(info->author);
 		html("</td><td>");
 		cgit_commit_link(info->subject, NULL, NULL, ref, NULL);
diff --git a/ui-tree.c b/ui-tree.c
index 1037c82..c5d64ff 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -89,14 +89,14 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 		cgit_tree_link(name, NULL, "ls-blob", cgit_query_head,
 			       curr_rev, fullpath);
 	}
 	htmlf("</td><td class='ls-size'>%li</td>", size);
 
 	html("<td>");
-	cgit_log_link("L", "Log", "button", cgit_query_head, curr_rev,
-		      fullpath);
+	cgit_log_link("log", NULL, "button", cgit_query_head, curr_rev,
+		      fullpath, 0);
 	html("</td></tr>\n");
 	free(name);
 	return 0;
 }
 
 static void ls_head()