ui-patch: Apply path limit to generated patch

Also indicate in the comment section of the patch that a path limit was
applied, too easily see when a generated patch is only partial.

Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

6 files changed, 10 insertions, 8 deletions

diff --git a/cmd.c b/cmd.c
index 893ae25..605876b 100644
--- a/cmd.c
+++ b/cmd.c
@@ -1,171 +1,171 @@
 /* cmd.c: the cgit command dispatcher
  *
  * Copyright (C) 2008 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 #include "cmd.h"
 #include "cache.h"
 #include "ui-shared.h"
 #include "ui-atom.h"
 #include "ui-blob.h"
 #include "ui-clone.h"
 #include "ui-commit.h"
 #include "ui-diff.h"
 #include "ui-log.h"
 #include "ui-patch.h"
 #include "ui-plain.h"
 #include "ui-refs.h"
 #include "ui-repolist.h"
 #include "ui-snapshot.h"
 #include "ui-stats.h"
 #include "ui-summary.h"
 #include "ui-tag.h"
 #include "ui-tree.h"
 
 static void HEAD_fn(struct cgit_context *ctx)
 {
 	cgit_clone_head(ctx);
 }
 
 static void atom_fn(struct cgit_context *ctx)
 {
 	cgit_print_atom(ctx->qry.head, ctx->qry.path, 10);
 }
 
 static void about_fn(struct cgit_context *ctx)
 {
 	if (ctx->repo)
 		cgit_print_repo_readme(ctx->qry.path);
 	else
 		cgit_print_site_readme();
 }
 
 static void blob_fn(struct cgit_context *ctx)
 {
 	cgit_print_blob(ctx->qry.sha1, ctx->qry.path, ctx->qry.head);
 }
 
 static void commit_fn(struct cgit_context *ctx)
 {
 	cgit_print_commit(ctx->qry.sha1, ctx->qry.path);
 }
 
 static void diff_fn(struct cgit_context *ctx)
 {
 	cgit_print_diff(ctx->qry.sha1, ctx->qry.sha2, ctx->qry.path);
 }
 
 static void info_fn(struct cgit_context *ctx)
 {
 	cgit_clone_info(ctx);
 }
 
 static void log_fn(struct cgit_context *ctx)
 {
 	cgit_print_log(ctx->qry.sha1, ctx->qry.ofs, ctx->cfg.max_commit_count,
 		       ctx->qry.grep, ctx->qry.search, ctx->qry.path, 1);
 }
 
 static void ls_cache_fn(struct cgit_context *ctx)
 {
 	ctx->page.mimetype = "text/plain";
 	ctx->page.filename = "ls-cache.txt";
 	cgit_print_http_headers(ctx);
 	cache_ls(ctx->cfg.cache_root);
 }
 
 static void objects_fn(struct cgit_context *ctx)
 {
 	cgit_clone_objects(ctx);
 }
 
 static void repolist_fn(struct cgit_context *ctx)
 {
 	cgit_print_repolist();
 }
 
 static void patch_fn(struct cgit_context *ctx)
 {
-	cgit_print_patch(ctx->qry.sha1);
+	cgit_print_patch(ctx->qry.sha1, ctx->qry.path);
 }
 
 static void plain_fn(struct cgit_context *ctx)
 {
 	cgit_print_plain(ctx);
 }
 
 static void refs_fn(struct cgit_context *ctx)
 {
 	cgit_print_refs();
 }
 
 static void snapshot_fn(struct cgit_context *ctx)
 {
 	cgit_print_snapshot(ctx->qry.head, ctx->qry.sha1, ctx->qry.path,
 			    ctx->repo->snapshots, ctx->qry.nohead);
 }
 
 static void stats_fn(struct cgit_context *ctx)
 {
 	cgit_show_stats(ctx);
 }
 
 static void summary_fn(struct cgit_context *ctx)
 {
 	cgit_print_summary();
 }
 
 static void tag_fn(struct cgit_context *ctx)
 {
 	cgit_print_tag(ctx->qry.sha1);
 }
 
 static void tree_fn(struct cgit_context *ctx)
 {
 	cgit_print_tree(ctx->qry.sha1, ctx->qry.path);
 }
 
 #define def_cmd(name, want_repo, want_layout, want_vpath) \
 	{#name, name##_fn, want_repo, want_layout, want_vpath}
 
 struct cgit_cmd *cgit_get_cmd(struct cgit_context *ctx)
 {
 	static struct cgit_cmd cmds[] = {
 		def_cmd(HEAD, 1, 0, 0),
 		def_cmd(atom, 1, 0, 0),
 		def_cmd(about, 0, 1, 0),
 		def_cmd(blob, 1, 0, 0),
 		def_cmd(commit, 1, 1, 1),
 		def_cmd(diff, 1, 1, 1),
 		def_cmd(info, 1, 0, 0),
 		def_cmd(log, 1, 1, 1),
 		def_cmd(ls_cache, 0, 0, 0),
 		def_cmd(objects, 1, 0, 0),
 		def_cmd(patch, 1, 0, 1),
 		def_cmd(plain, 1, 0, 0),
 		def_cmd(refs, 1, 1, 0),
 		def_cmd(repolist, 0, 0, 0),
 		def_cmd(snapshot, 1, 0, 0),
 		def_cmd(stats, 1, 1, 1),
 		def_cmd(summary, 1, 1, 0),
 		def_cmd(tag, 1, 1, 0),
 		def_cmd(tree, 1, 1, 1),
 	};
 	int i;
 
 	if (ctx->qry.page == NULL) {
 		if (ctx->repo)
 			ctx->qry.page = "summary";
 		else
 			ctx->qry.page = "repolist";
 	}
 
 	for(i = 0; i < sizeof(cmds)/sizeof(*cmds); i++)
 		if (!strcmp(ctx->qry.page, cmds[i].name))
 			return &cmds[i];
 	return NULL;
 }
diff --git a/ui-commit.c b/ui-commit.c
index 2f4c6d4..b3a2063 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -1,123 +1,123 @@
 /* ui-commit.c: generate commit view
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 #include "html.h"
 #include "ui-shared.h"
 #include "ui-diff.h"
 #include "ui-log.h"
 
 void cgit_print_commit(char *hex, const char *prefix)
 {
 	struct commit *commit, *parent;
 	struct commitinfo *info;
 	struct commit_list *p;
 	unsigned char sha1[20];
 	char *tmp;
 	int parents = 0;
 
 	if (!hex)
 		hex = ctx.qry.head;
 
 	if (get_sha1(hex, sha1)) {
 		cgit_print_error(fmt("Bad object id: %s", hex));
 		return;
 	}
 	commit = lookup_commit_reference(sha1);
 	if (!commit) {
 		cgit_print_error(fmt("Bad commit reference: %s", hex));
 		return;
 	}
 	info = cgit_parse_commit(commit);
 
 	load_ref_decorations(DECORATE_FULL_REFS);
 
 	html("<table summary='commit info' class='commit-info'>\n");
 	html("<tr><th>author</th><td>");
 	html_txt(info->author);
 	if (!ctx.cfg.noplainemail) {
 		html(" ");
 		html_txt(info->author_email);
 	}
 	html("</td><td class='right'>");
 	cgit_print_date(info->author_date, FMT_LONGDATE, ctx.cfg.local_time);
 	html("</td></tr>\n");
 	html("<tr><th>committer</th><td>");
 	html_txt(info->committer);
 	if (!ctx.cfg.noplainemail) {
 		html(" ");
 		html_txt(info->committer_email);
 	}
 	html("</td><td class='right'>");
 	cgit_print_date(info->committer_date, FMT_LONGDATE, ctx.cfg.local_time);
 	html("</td></tr>\n");
 	html("<tr><th>commit</th><td colspan='2' class='sha1'>");
 	tmp = sha1_to_hex(commit->object.sha1);
 	cgit_commit_link(tmp, NULL, NULL, ctx.qry.head, tmp, 0);
 	html(" (");
-	cgit_patch_link("patch", NULL, NULL, NULL, tmp);
+	cgit_patch_link("patch", NULL, NULL, NULL, tmp, prefix);
 	html(") (");
 	if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff))
 		cgit_commit_link("unidiff", NULL, NULL, ctx.qry.head, tmp, 1);
 	else
 		cgit_commit_link("side-by-side diff", NULL, NULL, ctx.qry.head, tmp, 1);
 	html(")</td></tr>\n");
 	html("<tr><th>tree</th><td colspan='2' class='sha1'>");
 	tmp = xstrdup(hex);
 	cgit_tree_link(sha1_to_hex(commit->tree->object.sha1), NULL, NULL,
 		       ctx.qry.head, tmp, NULL);
 	html("</td></tr>\n");
       	for (p = commit->parents; p ; p = p->next) {
 		parent = lookup_commit_reference(p->item->object.sha1);
 		if (!parent) {
 			html("<tr><td colspan='3'>");
 			cgit_print_error("Error reading parent commit");
 			html("</td></tr>");
 			continue;
 		}
 		html("<tr><th>parent</th>"
 		     "<td colspan='2' class='sha1'>");
 		cgit_commit_link(sha1_to_hex(p->item->object.sha1), NULL, NULL,
 				 ctx.qry.head, sha1_to_hex(p->item->object.sha1), 0);
 		html(" (");
 		cgit_diff_link("diff", NULL, NULL, ctx.qry.head, hex,
 			       sha1_to_hex(p->item->object.sha1), NULL, 0);
 		html(")</td></tr>");
 		parents++;
 	}
 	if (ctx.repo->snapshots) {
 		html("<tr><th>download</th><td colspan='2' class='sha1'>");
 		cgit_print_snapshot_links(ctx.qry.repo, ctx.qry.head,
 					  hex, ctx.repo->snapshots);
 		html("</td></tr>");
 	}
 	html("</table>\n");
 	html("<div class='commit-subject'>");
 	if (ctx.repo->commit_filter)
 		cgit_open_filter(ctx.repo->commit_filter);
 	html_txt(info->subject);
 	if (ctx.repo->commit_filter)
 		cgit_close_filter(ctx.repo->commit_filter);
 	show_commit_decorations(commit);
 	html("</div>");
 	html("<div class='commit-msg'>");
 	if (ctx.repo->commit_filter)
 		cgit_open_filter(ctx.repo->commit_filter);
 	html_txt(info->msg);
 	if (ctx.repo->commit_filter)
 		cgit_close_filter(ctx.repo->commit_filter);
 	html("</div>");
 	if (parents < 3) {
 		if (parents)
 			tmp = sha1_to_hex(commit->parents->item->object.sha1);
 		else
 			tmp = NULL;
 		cgit_print_diff(ctx.qry.sha1, tmp, prefix);
 	}
 	cgit_free_commitinfo(info);
 }
diff --git a/ui-patch.c b/ui-patch.c
index 2a8f7a5..25dc9fe 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -1,129 +1,131 @@
 /* ui-patch.c: generate patch view
  *
  * Copyright (C) 2007 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 #include "html.h"
 #include "ui-shared.h"
 
 static void print_line(char *line, int len)
 {
 	char c = line[len-1];
 
 	line[len-1] = '\0';
 	htmlf("%s\n", line);
 	line[len-1] = c;
 }
 
 static void header(unsigned char *sha1, char *path1, int mode1,
 		   unsigned char *sha2, char *path2, int mode2)
 {
 	char *abbrev1, *abbrev2;
 	int subproject;
 
 	subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2));
 	htmlf("diff --git a/%s b/%s\n", path1, path2);
 
 	if (is_null_sha1(sha1))
 		path1 = "dev/null";
 	if (is_null_sha1(sha2))
 		path2 = "dev/null";
 
 	if (mode1 == 0)
 		htmlf("new file mode %.6o\n", mode2);
 
 	if (mode2 == 0)
 		htmlf("deleted file mode %.6o\n", mode1);
 
 	if (!subproject) {
 		abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV));
 		abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV));
 		htmlf("index %s..%s", abbrev1, abbrev2);
 		free(abbrev1);
 		free(abbrev2);
 		if (mode1 != 0 && mode2 != 0) {
 			htmlf(" %.6o", mode1);
 			if (mode2 != mode1)
 				htmlf("..%.6o", mode2);
 		}
 		htmlf("\n--- a/%s\n", path1);
 		htmlf("+++ b/%s\n", path2);
 	}
 }
 
 static void filepair_cb(struct diff_filepair *pair)
 {
 	unsigned long old_size = 0;
 	unsigned long new_size = 0;
 	int binary = 0;
 
 	header(pair->one->sha1, pair->one->path, pair->one->mode,
 	       pair->two->sha1, pair->two->path, pair->two->mode);
 	if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
 		if (S_ISGITLINK(pair->one->mode))
 			print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
 		if (S_ISGITLINK(pair->two->mode))
 			print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
 		return;
 	}
 	if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
 			    &new_size, &binary, print_line))
 		html("Error running diff");
 	if (binary)
 		html("Binary files differ\n");
 }
 
-void cgit_print_patch(char *hex)
+void cgit_print_patch(char *hex, const char *prefix)
 {
 	struct commit *commit;
 	struct commitinfo *info;
 	unsigned char sha1[20], old_sha1[20];
 	char *patchname;
 
 	if (!hex)
 		hex = ctx.qry.head;
 
 	if (get_sha1(hex, sha1)) {
 		cgit_print_error(fmt("Bad object id: %s", hex));
 		return;
 	}
 	commit = lookup_commit_reference(sha1);
 	if (!commit) {
 		cgit_print_error(fmt("Bad commit reference: %s", hex));
 		return;
 	}
 	info = cgit_parse_commit(commit);
 
 	if (commit->parents && commit->parents->item)
 		hashcpy(old_sha1, commit->parents->item->object.sha1);
 	else
 		hashclr(old_sha1);
 
 	patchname = fmt("%s.patch", sha1_to_hex(sha1));
 	ctx.page.mimetype = "text/plain";
 	ctx.page.filename = patchname;
 	cgit_print_http_headers(&ctx);
 	htmlf("From %s Mon Sep 17 00:00:00 2001\n", sha1_to_hex(sha1));
 	htmlf("From: %s", info->author);
 	if (!ctx.cfg.noplainemail) {
 		htmlf(" %s", info->author_email);
 	}
 	html("\n");
 	html("Date: ");
 	cgit_print_date(info->author_date, "%a, %d %b %Y %H:%M:%S %z%n", ctx.cfg.local_time);
 	htmlf("Subject: %s\n\n", info->subject);
 	if (info->msg && *info->msg) {
 		htmlf("%s", info->msg);
 		if (info->msg[strlen(info->msg) - 1] != '\n')
 			html("\n");
 	}
 	html("---\n");
-	cgit_diff_tree(old_sha1, sha1, filepair_cb, NULL);
+	if (prefix)
+		htmlf("(limited to '%s')\n\n", prefix);
+	cgit_diff_tree(old_sha1, sha1, filepair_cb, prefix);
 	html("--\n");
 	htmlf("cgit %s\n", CGIT_VERSION);
 	cgit_free_commitinfo(info);
 }
diff --git a/ui-patch.h b/ui-patch.h
index 9f68212..1641cea 100644
--- a/ui-patch.h
+++ b/ui-patch.h
@@ -1,6 +1,6 @@
 #ifndef UI_PATCH_H
 #define UI_PATCH_H
 
-extern void cgit_print_patch(char *hex);
+extern void cgit_print_patch(char *hex, const char *prefix);
 
 #endif /* UI_PATCH_H */
diff --git a/ui-shared.c b/ui-shared.c
index 4fa506f..d5c4c10 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -1,882 +1,882 @@
 /* ui-shared.c: common web output functions
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 #include "cmd.h"
 #include "html.h"
 
 const char cgit_doctype[] =
 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
 "  \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
 
 static char *http_date(time_t t)
 {
 	static char day[][4] =
 		{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
 	static char month[][4] =
 		{"Jan", "Feb", "Mar", "Apr", "May", "Jun",
 		 "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_hour, tm->tm_min, tm->tm_sec);
 }
 
 void cgit_print_error(const char *msg)
 {
 	html("<div class='error'>");
 	html_txt(msg);
 	html("</div>\n");
 }
 
 char *cgit_httpscheme()
 {
 	if (ctx.env.https && !strcmp(ctx.env.https, "on"))
 		return "https://";
 	else
 		return "http://";
 }
 
 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 xstrdup(fmt("%s:%s", ctx.env.server_name, ctx.env.server_port));
 }
 
 char *cgit_rooturl()
 {
 	if (ctx.cfg.virtual_root)
 		return fmt("%s/", 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);
 	}
 }
 
 char *cgit_fileurl(const char *reponame, const char *pagename,
 		   const char *filename, const char *query)
 {
 	char *tmp;
 	char *delim;
 
 	if (ctx.cfg.virtual_root) {
 		tmp = fmt("%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 = "&";
 	}
 	if (query)
 		tmp = fmt("%s%s%s", tmp, delim, query);
 	return tmp;
 }
 
 char *cgit_pageurl(const char *reponame, const char *pagename,
 		   const char *query)
 {
 	return cgit_fileurl(reponame,pagename,0,query);
 }
 
 const char *cgit_repobasename(const char *reponame)
 {
 	/* I assume we don't need to store more than one repo basename */
 	static char rvbuf[1024];
 	int p;
 	const char *rv;
 	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;
 	/* strip trailing .git */
 	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;
 	/* find last slash in the remaining string */
 	rv = strrchr(rvbuf,'/');
 	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(const char *page, const char *search, int ofs)
 {
 	char *delim = "?";
 
 	if (ctx.cfg.virtual_root) {
 		html_attr(ctx.cfg.virtual_root);
 		if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
 			html("/");
 	} else
 		html(ctx.cfg.script_name);
 
 	if (page) {
 		htmlf("?p=%s", page);
 		delim = "&";
 	}
 	if (search) {
 		html(delim);
 		html("q=");
 		html_attr(search);
 		delim = "&";
 	}
 	if (ofs) {
 		html(delim);
 		htmlf("ofs=%d", 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) {
 		html(" title='");
 		html_attr(title);
 		html("'");
 	}
 	if (class) {
 		html(" class='");
 		html_attr(class);
 		html("'");
 	}
 	html(" href='");
 	site_url(page, search, ofs);
 	html("'>");
 	html_txt(name);
 	html("</a>");
 }
 
 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(const char *title, const char *class, const char *page,
 		      const char *head, const char *path)
 {
 	char *delim = "?";
 
 	html("<a");
 	if (title) {
 		html(" title='");
 		html_attr(title);
 		html("'");
 	}
 	if (class) {
 		html(" class='");
 		html_attr(class);
 		html("'");
 	}
 	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("/");
 		if (page) {
 			html_url_path(page);
 			html("/");
 			if (path)
 				html_url_path(path);
 		}
 	} else {
 		html(ctx.cfg.script_name);
 		html("?url=");
 		html_url_arg(ctx.repo->url);
 		if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
 			html("/");
 		if (page) {
 			html_url_arg(page);
 			html("/");
 			if (path)
 				html_url_arg(path);
 		}
 		delim = "&amp;";
 	}
 	if (head && strcmp(head, ctx.repo->defbranch)) {
 		html(delim);
 		html("h=");
 		html_url_arg(head);
 		delim = "&amp;";
 	}
 	return fmt("%s", delim);
 }
 
 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 && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) {
 		html(delim);
 		html("id=");
 		html_url_arg(rev);
 	}
 	html("'>");
 	html_txt(name);
 	html("</a>");
 }
 
 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(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(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(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(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)) {
 		html(delim);
 		html("id=");
 		html_url_arg(rev);
 		delim = "&";
 	}
 	if (grep && pattern) {
 		html(delim);
 		html("qt=");
 		html_url_arg(grep);
 		delim = "&";
 		html(delim);
 		html("q=");
 		html_url_arg(pattern);
 	}
 	if (ofs > 0) {
 		html(delim);
 		html("ofs=");
 		htmlf("%d", ofs);
 		delim = "&";
 	}
 	if (showmsg) {
 		html(delim);
 		html("showmsg=1");
 	}
 	html("'>");
 	html_txt(name);
 	html("</a>");
 }
 
 void cgit_commit_link(char *name, const char *title, const char *class,
 		      const char *head, const char *rev, int toggle_ssdiff)
 {
 	if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
 		name[ctx.cfg.max_msg_len] = '\0';
 		name[ctx.cfg.max_msg_len - 1] = '.';
 		name[ctx.cfg.max_msg_len - 2] = '.';
 		name[ctx.cfg.max_msg_len - 3] = '.';
 	}
 
 	char *delim;
 
 	delim = repolink(title, class, "commit", head, NULL);
 	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");
 	}
 	html("'>");
 	html_txt(name);
 	html("</a>");
 }
 
 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(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(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 && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) {
 		html(delim);
 		html("id=");
 		html_url_arg(new_rev);
 		delim = "&amp;";
 	}
 	if (old_rev) {
 		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");
 	}
 	html("'>");
 	html_txt(name);
 	html("</a>");
 }
 
 void cgit_patch_link(const char *name, const char *title, const char *class,
-		     const char *head, const char *rev)
+		     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(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;
 
 	fullrev = sha1_to_hex(obj->sha1);
 	shortrev = xstrdup(fullrev);
 	shortrev[10] = '\0';
 	if (obj->type == OBJ_COMMIT) {
                 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
 				 ctx.qry.head, fullrev, 0);
 		return;
 	} else if (obj->type == OBJ_TREE)
 		page = "tree";
 	else if (obj->type == OBJ_TAG)
 		page = "tag";
 	else
 		page = "blob";
 	name = fmt("%s %s...", typename(obj->type), shortrev);
 	reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 }
 
 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)
 		time = localtime(&secs);
 	else
 		time = gmtime(&secs);
 	strftime(buf, sizeof(buf)-1, format, time);
 	html_txt(buf);
 }
 
 void cgit_print_age(time_t t, time_t max_relative, const char *format)
 {
 	time_t now, secs;
 
 	if (!t)
 		return;
 	time(&now);
 	secs = now - t;
 
 	if (secs > max_relative && max_relative >= 0) {
 		cgit_print_date(t, format, ctx.cfg.local_time);
 		return;
 	}
 
 	if (secs < TM_HOUR * 2) {
 		htmlf("<span class='age-mins'>%.0f min.</span>",
 		      secs * 1.0 / TM_MIN);
 		return;
 	}
 	if (secs < TM_DAY * 2) {
 		htmlf("<span class='age-hours'>%.0f hours</span>",
 		      secs * 1.0 / TM_HOUR);
 		return;
 	}
 	if (secs < TM_WEEK * 2) {
 		htmlf("<span class='age-days'>%.0f days</span>",
 		      secs * 1.0 / TM_DAY);
 		return;
 	}
 	if (secs < TM_MONTH * 2) {
 		htmlf("<span class='age-weeks'>%.0f weeks</span>",
 		      secs * 1.0 / TM_WEEK);
 		return;
 	}
 	if (secs < TM_YEAR * 2) {
 		htmlf("<span class='age-months'>%.0f months</span>",
 		      secs * 1.0 / TM_MONTH);
 		return;
 	}
 	htmlf("<span class='age-years'>%.0f years</span>",
 	      secs * 1.0 / TM_YEAR);
 }
 
 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);
 	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)
 {
 	if (ctx->cfg.embedded) {
 		if (ctx->cfg.header)
 			html_include(ctx->cfg.header);
 		return;
 	}
 
 	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");
 	html("<title>");
 	html_txt(ctx->page.title);
 	html("</title>\n");
 	htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
 	if (ctx->cfg.robots && *ctx->cfg.robots)
 		htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
 	html("<link rel='stylesheet' type='text/css' href='");
 	html_attr(ctx->cfg.css);
 	html("'/>\n");
 	if (ctx->cfg.favicon) {
 		html("<link rel='shortcut icon' href='");
 		html_attr(ctx->cfg.favicon);
 		html("'/>\n");
 	}
 	if (host && ctx->repo) {
 		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.vpath,
 				       fmt("h=%s", ctx->qry.head)));
 		html("' type='application/atom+xml'/>\n");
 	}
 	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> <!-- 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 {
 		htmlf("<div class='footer'>generated  by cgit %s at ",
 			cgit_version);
 		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)
 {
 	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,
 				const char *page)
 {
 	char *url;
 
 	if (!ctx.cfg.virtual_root) {
 		url = fmt("%s/%s", ctx.qry.repo, page);
 		if (ctx.qry.vpath)
 			url = fmt("%s/%s", url, ctx.qry.vpath);
 		html_hidden("url", url);
 	}
 
 	if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
 	    strcmp(ctx.qry.head, ctx.repo->defbranch))
 		html_hidden("h", ctx.qry.head);
 
 	if (ctx.qry.sha1)
 		html_hidden("id", ctx.qry.sha1);
 	if (ctx.qry.sha2)
 		html_hidden("id2", ctx.qry.sha2);
 	if (ctx.qry.showmsg)
 		html_hidden("showmsg", "1");
 
 	if (incl_search) {
 		if (ctx.qry.grep)
 			html_hidden("qt", ctx.qry.grep);
 		if (ctx.qry.search)
 			html_hidden("q", ctx.qry.search);
 	}
 }
 
 static const char *hc(struct cgit_context *ctx, const char *page)
 {
 	return strcmp(ctx->qry.page, page) ? NULL : "active";
 }
 
 static void cgit_print_path_crumbs(struct cgit_context *ctx, char *path)
 {
 	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)
 {
 	html("<table id='header'>\n");
 	html("<tr>\n");
 
 	if (ctx->cfg.logo && ctx->cfg.logo[0] != 0) {
 		html("<td class='logo' rowspan='2'><a href='");
 		if (ctx->cfg.logo_link)
 			html_attr(ctx->cfg.logo_link);
 		else
 			html_attr(cgit_rooturl());
 		html("'><img src='");
 		html_attr(ctx->cfg.logo);
 		html("' alt='cgit logo'/></a></td>\n");
 	}
 
 	html("<td class='main'>");
 	if (ctx->repo) {
 		cgit_index_link("index", NULL, NULL, NULL, 0);
 		html(" : ");
 		cgit_summary_link(ctx->repo->name, ctx->repo->name, NULL, NULL);
 		html("</td><td class='form'>");
 		html("<form method='get' action=''>\n");
 		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);
 		html("</select> ");
 		html("<input type='submit' name='' value='switch'/>");
 		html("</form>");
 	} else
 		html_txt(ctx->cfg.root_title);
 	html("</td></tr>\n");
 
 	html("<tr><td class='sub'>");
 	if (ctx->repo) {
 		html_txt(ctx->repo->desc);
 		html("</td><td class='sub right'>");
 		html_txt(ctx->repo->owner);
 	} else {
 		if (ctx->cfg.root_desc)
 			html_txt(ctx->cfg.root_desc);
 		else if (ctx->cfg.index_info)
 			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(ctx, "summary"),
 				  ctx->qry.head);
 		cgit_refs_link("refs", NULL, hc(ctx, "refs"), ctx->qry.head,
 			       ctx->qry.sha1, NULL);
 		cgit_log_link("log", NULL, hc(ctx, "log"), ctx->qry.head,
 			      NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg);
 		cgit_tree_link("tree", NULL, hc(ctx, "tree"), ctx->qry.head,
 			       ctx->qry.sha1, NULL);
 		cgit_commit_link("commit", NULL, hc(ctx, "commit"),
 				 ctx->qry.head, ctx->qry.sha1, 0);
 		cgit_diff_link("diff", NULL, hc(ctx, "diff"), ctx->qry.head,
 			       ctx->qry.sha1, ctx->qry.sha2, NULL, 0);
 		if (ctx->repo->max_stats)
 			cgit_stats_link("stats", NULL, hc(ctx, "stats"),
 					ctx->qry.head, NULL);
 		if (ctx->repo->readme)
 			reporevlink("about", "about", 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.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("</select>\n");
 		html("<input class='txt' type='text' size='10' name='q' value='");
 		html_attr(ctx->qry.search);
 		html("'/>\n");
 		html("<input type='submit' value='search'/>\n");
 		html("</form>\n");
 	} else {
 		site_link(NULL, "index", NULL, hc(ctx, "repolist"), NULL, 0);
 		if (ctx->cfg.root_readme)
 			site_link("about", "about", NULL, hc(ctx, "about"),
 				  NULL, 0);
 		html("</td><td class='form'>");
 		html("<form method='get' action='");
 		html_attr(cgit_rooturl());
 		html("'>\n");
 		html("<input type='text' name='q' size='10' value='");
 		html_attr(ctx->qry.search);
 		html("'/>\n");
 		html("<input type='submit' value='search'/>\n");
 		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'>");
 }
 
 void cgit_print_filemode(unsigned short mode)
 {
 	if (S_ISDIR(mode))
 		html("d");
 	else if (S_ISLNK(mode))
 		html("l");
 	else if (S_ISGITLINK(mode))
 		html("m");
 	else
 		html("-");
 	html_fileperm(mode >> 6);
 	html_fileperm(mode >> 3);
 	html_fileperm(mode);
 }
 
 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", prefix, f->suffix);
 		cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
 		html("<br/>");
 	}
 }
diff --git a/ui-shared.h b/ui-shared.h
index 3df5464..c0e5c55 100644
--- a/ui-shared.h
+++ b/ui-shared.h
@@ -1,65 +1,65 @@
 #ifndef UI_SHARED_H
 #define UI_SHARED_H
 
 extern char *cgit_httpscheme();
 extern char *cgit_hosturl();
 extern char *cgit_rooturl();
 extern char *cgit_repourl(const char *reponame);
 extern char *cgit_fileurl(const char *reponame, const char *pagename,
 			  const char *filename, const char *query);
 extern char *cgit_pageurl(const char *reponame, const char *pagename,
 			  const char *query);
 
 extern void cgit_index_link(const char *name, const char *title,
 			    const char *class, const char *pattern, int ofs);
 extern void cgit_summary_link(const char *name, const char *title,
 			      const char *class, const char *head);
 extern void cgit_tag_link(const char *name, const char *title,
 			  const char *class, const char *head,
 			  const char *rev);
 extern void cgit_tree_link(const char *name, const char *title,
 			   const char *class, const char *head,
 			   const char *rev, const char *path);
 extern void cgit_plain_link(const char *name, const char *title,
 			    const char *class, const char *head,
 			    const char *rev, const char *path);
 extern 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);
 extern void cgit_commit_link(char *name, const char *title,
 			     const char *class, const char *head,
 			     const char *rev, int toggle_ssdiff);
 extern void cgit_patch_link(const char *name, const char *title,
 			    const char *class, const char *head,
-			    const char *rev);
+			    const char *rev, const char *path);
 extern void cgit_refs_link(const char *name, const char *title,
 			   const char *class, const char *head,
 			   const char *rev, const char *path);
 extern void cgit_snapshot_link(const char *name, const char *title,
 			       const char *class, const char *head,
 			       const char *rev, const char *archivename);
 extern 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);
 extern void cgit_stats_link(const char *name, const char *title,
 			    const char *class, const char *head,
 			    const char *path);
 extern void cgit_self_link(char *name, const char *title,
 			   const char *class, struct cgit_context *ctx);
 extern void cgit_object_link(struct object *obj);
 
 extern void cgit_print_error(const char *msg);
 extern void cgit_print_date(time_t secs, const char *format, int local_time);
 extern void cgit_print_age(time_t t, time_t max_relative, const char *format);
 extern void cgit_print_http_headers(struct cgit_context *ctx);
 extern void cgit_print_docstart(struct cgit_context *ctx);
 extern void cgit_print_docend();
 extern void cgit_print_pageheader(struct cgit_context *ctx);
 extern void cgit_print_filemode(unsigned short mode);
 extern void cgit_print_snapshot_links(const char *repo, const char *head,
 				      const char *hex, int snapshots);
 extern void cgit_add_hidden_formfields(int incl_head, int incl_search,
 				       const char *page);
 #endif /* UI_SHARED_H */