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-rw-r--r--Makefile12
-rw-r--r--cgit.c67
-rw-r--r--cgit.css64
-rw-r--r--cgit.h12
-rw-r--r--cgit.pngbin3790 -> 5406 bytes
-rw-r--r--cgitrc12
-rw-r--r--html.c2
-rw-r--r--parsing.c25
-rw-r--r--shared.c12
-rw-r--r--tests/.gitignore2
-rw-r--r--tests/Makefile13
-rwxr-xr-xtests/setup.sh108
-rwxr-xr-xtests/t0010-validate-html.sh31
-rwxr-xr-xtests/t0101-index.sh13
-rwxr-xr-xtests/t0102-summary.sh20
-rwxr-xr-xtests/t0103-log.sh15
-rwxr-xr-xtests/t0104-tree.sh21
-rwxr-xr-xtests/t0105-commit.sh22
-rwxr-xr-xtests/t0106-diff.sh20
-rwxr-xr-xtests/t0107-snapshot.sh36
-rw-r--r--ui-commit.c6
-rw-r--r--ui-diff.c2
-rw-r--r--ui-log.c23
-rw-r--r--ui-patch.c110
-rw-r--r--ui-repolist.c2
-rw-r--r--ui-shared.c67
-rw-r--r--ui-summary.c2
-rw-r--r--ui-tree.c6
28 files changed, 651 insertions, 74 deletions
diff --git a/Makefile b/Makefile
index 68d617e..e39be18 100644
--- a/Makefile
+++ b/Makefile
@@ -16,10 +16,15 @@ GIT_URL = http://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.bz2
 EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lcrypto
 OBJECTS = shared.o cache.o parsing.o html.o ui-shared.o ui-repolist.o \
 	ui-summary.o ui-log.o ui-tree.o ui-commit.o ui-diff.o \
-	ui-snapshot.o ui-blob.o ui-tag.o ui-refs.o
+	ui-snapshot.o ui-blob.o ui-tag.o ui-refs.o ui-patch.o
 
 
-.PHONY: all git install clean distclean emptycache force-version get-git
+ifdef NEEDS_LIBICONV
+	EXTLIBS += -liconv
+endif
+
+
+.PHONY: all git test install clean distclean emptycache force-version get-git
 
 all: cgit git
 
@@ -49,6 +54,9 @@ git:
 	cd git && $(MAKE) xdiff/lib.a
 	cd git && $(MAKE) libgit.a
 
+test: all
+	$(MAKE) -C tests
+
 install: all
 	mkdir -p $(DESTDIR)$(CGIT_SCRIPT_PATH)
 	install cgit $(DESTDIR)$(CGIT_SCRIPT_PATH)/$(CGIT_SCRIPT_NAME)
diff --git a/cgit.c b/cgit.c
index 142e416..e8acc03 100644
--- a/cgit.c
+++ b/cgit.c
@@ -45,13 +45,44 @@ static int cgit_prepare_cache(struct cacheitem *item)
 	return 1;
 }
 
+struct refmatch {
+	char *req_ref;
+	char *first_ref;
+	int match;
+};
+
+int find_current_ref(const char *refname, const unsigned char *sha1,
+		     int flags, void *cb_data)
+{
+	struct refmatch *info;
+
+	info = (struct refmatch *)cb_data;
+	if (!strcmp(refname, info->req_ref))
+		info->match = 1;
+	if (!info->first_ref)
+		info->first_ref = xstrdup(refname);
+	return info->match;
+}
+
+char *find_default_branch(struct repoinfo *repo)
+{
+	struct refmatch info;
+
+	info.req_ref = repo->defbranch;
+	info.first_ref = NULL;
+	info.match = 0;
+	for_each_branch_ref(find_current_ref, &info);
+	if (info.match)
+		return info.req_ref;
+	else
+		return info.first_ref;
+}
+
 static void cgit_print_repo_page(struct cacheitem *item)
 {
-	char *title;
+	char *title, *tmp;
 	int show_search;
-
-	if (!cgit_query_head)
-		cgit_query_head = cgit_repo->defbranch;
+	unsigned char sha1[20];
 
 	if (chdir(cgit_repo->path)) {
 		title = fmt("%s - %s", cgit_root_title, "Bad request");
@@ -67,6 +98,29 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	show_search = 0;
 	setenv("GIT_DIR", cgit_repo->path, 1);
 
+	if (!cgit_query_head) {
+		cgit_query_head = xstrdup(find_default_branch(cgit_repo));
+		cgit_repo->defbranch = cgit_query_head;
+	}
+
+	if (!cgit_query_head) {
+		cgit_print_docstart(title, item);
+		cgit_print_pageheader(title, 0);
+		cgit_print_error("Repository seems to be empty");
+		cgit_print_docend();
+		return;
+	}
+
+	if (get_sha1(cgit_query_head, sha1)) {
+		tmp = xstrdup(cgit_query_head);
+		cgit_query_head = cgit_repo->defbranch;
+		cgit_print_docstart(title, item);
+		cgit_print_pageheader(title, 0);
+		cgit_print_error(fmt("Invalid branch: %s", tmp));
+		cgit_print_docend();
+		return;
+	}
+
 	if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) {
 		cgit_print_snapshot(item, cgit_query_head, cgit_query_sha1,
 				    cgit_repobasename(cgit_repo->url),
@@ -75,6 +129,11 @@ static void cgit_print_repo_page(struct cacheitem *item)
 		return;
 	}
 
+	if (cgit_cmd == CMD_PATCH) {
+		cgit_print_patch(cgit_query_sha1, item);
+		return;
+	}
+
 	if (cgit_cmd == CMD_BLOB) {
 		cgit_print_blob(item, cgit_query_sha1, cgit_query_path);
 		return;
diff --git a/cgit.css b/cgit.css
index 1b2e9d6..17c2712 100644
--- a/cgit.css
+++ b/cgit.css
@@ -8,7 +8,7 @@ body {
 	font-size: 10pt;
 	color: #333;
 	background: white;
-	padding-left: 4px;
+	padding: 4px;
 }
 
 table {
@@ -78,29 +78,39 @@ img {
 	border: none;
 }
 
-div#sidebar {
+table#layout {
+	border-collapse: collapse;
+	border: none;
+	margin: 0px;
+}
+
+td#sidebar {
 	vertical-align: top;
 	width: 162px;
 	padding: 0px 0px 0px 0px;
-	margin: 4px;
-	float: left;
+	margin: 0px;
 }
 
-div#logo {
+td#sidebar table {
+	border-collapse: separate;
+	border-spacing: 0px;
 	margin: 0px;
-	padding: 4px 0px 4px 0px;
-	text-align: center;
+	padding: 0px;
 	background-color: #ccc;
+}
+
+td#sidebar table.sidebar td.sidebar {
+	padding: 4px;
 	border-top: solid 1px #eee;
 	border-left: solid 1px #eee;
 	border-right: solid 1px #aaa;
 	border-bottom: solid 1px #aaa;
 }
 
-div#sidebar div.infobox {
-	margin: 0px 0px 0px 0px;
-	padding: 0.5em;
-	text-align: left;
+div#logo {
+	margin: 0px;
+	padding: 4px 0px 4px 0px;
+	text-align: center;
 	background-color: #ccc;
 	border-top: solid 1px #eee;
 	border-left: solid 1px #eee;
@@ -108,50 +118,44 @@ div#sidebar div.infobox {
 	border-bottom: solid 1px #aaa;
 }
 
-div#sidebar div.infobox h1 {
-	font-size: 11pt;
+td#sidebar h1 {
+	font-size: 10pt;
 	font-weight: bold;
-	margin: 0px;
+	margin: 8px 0px 0px 0px;
 }
 
-div#sidebar div.infobox a.menu {
+td#sidebar h1.first {
+	margin-top: 0px;
+}
+
+td#sidebar a.menu {
 	display: block;
 	background-color: #ccc;
 	padding: 0.1em 0.5em;
 	text-decoration: none;
 }
 
-div#sidebar div.infobox a.menu:hover {
+td#sidebar a.menu:hover {
 	background-color: #bbb;
 	text-decoration: none;
 }
 
-div#sidebar div.infobox select {
+td#sidebar select {
 	width: 100%;
-	border: solid 1px #aaa;
-	background-color: #bbb;
 	margin: 2px 0px 0px 0px;
-	padding: 0px;
 }
 
-td#branch-dropdown-cell {
-	width: 99%;
+td#sidebar form {
+	text-align: right;
 }
 
 input#switch-btn {
-	width: 20px;
-	border: solid 1px #aaa;
-	background-color: #bbb;
 	margin: 2px 0px 0px 0px;
-	padding: 0px;
 }
 
-div#sidebar div.infobox input.txt {
+td#sidebar input.txt {
 	width: 100%;
-	border: solid 1px #aaa;
-	background-color: #bbb;
 	margin: 2px 0px 0px 0px;
-	padding: 0;
 }
 
 table#grid {
diff --git a/cgit.h b/cgit.h
index 163f355..66c40b9 100644
--- a/cgit.h
+++ b/cgit.h
@@ -16,6 +16,7 @@
 #include <log-tree.h>
 #include <archive.h>
 #include <xdiff/xdiff.h>
+#include <utf8.h>
 
 
 /*
@@ -29,6 +30,7 @@
 #define CMD_SNAPSHOT 6
 #define CMD_TAG      7
 #define CMD_REFS     8
+#define CMD_PATCH    9
 
 /*
  * Dateformats used on misc. pages
@@ -48,6 +50,11 @@
 #define TM_MONTH (TM_YEAR / 12.0)
 
 
+/*
+ * Default encoding
+ */
+#define PAGE_ENCODING "UTF-8"
+
 typedef void (*configfn)(const char *name, const char *value);
 typedef void (*filepair_fn)(struct diff_filepair *pair);
 typedef void (*linediff_fn)(char *line, int len);
@@ -69,6 +76,7 @@ struct repoinfo {
 	char *group;
 	char *module_link;
 	char *readme;
+	char *clone_url;
 	int snapshots;
 	int enable_log_filecount;
 	int enable_log_linecount;
@@ -90,6 +98,7 @@ struct commitinfo {
 	unsigned long committer_date;
 	char *subject;
 	char *msg;
+	char *msg_encoding;
 };
 
 struct taginfo {
@@ -132,6 +141,8 @@ extern char *cgit_virtual_root;
 extern char *cgit_script_name;
 extern char *cgit_cache_root;
 extern char *cgit_repo_group;
+extern char *cgit_robots;
+extern char *cgit_clone_prefix;
 
 extern int cgit_nocache;
 extern int cgit_snapshots;
@@ -273,6 +284,7 @@ extern void cgit_print_commit(char *hex);
 extern void cgit_print_refs();
 extern void cgit_print_tag(char *revname);
 extern void cgit_print_diff(const char *new_hex, const char *old_hex, const char *prefix);
+extern void cgit_print_patch(char *hex, struct cacheitem *item);
 extern void cgit_print_snapshot(struct cacheitem *item, const char *head,
 				const char *hex, const char *prefix,
 				const char *filename, int snapshot);
diff --git a/cgit.png b/cgit.png
index ee48197..22f7e95 100644
--- a/cgit.png
+++ b/cgit.png
Binary files differdiff --git a/cgitrc b/cgitrc
index 6363c9c..ce0c01b 100644
--- a/cgitrc
+++ b/cgitrc
@@ -8,6 +8,11 @@
 #nocache=0
 
 
+## This variable can be used to override the default value for "robots"
+## meta-tag. If unset, the meta-tag isn't generated.
+#robots=index, nofollow
+
+
 ## Set allowed snapshot types by default. Can be overridden per repo
 # can be any combination of zip/tar.gz/tar.bz2/tar
 #snapshots=0
@@ -111,6 +116,11 @@
 #module-link=./?repo=%s&page=commit&id=%s
 
 
+## Shared prefix which, when combined with repo url, becomes the url used
+## to clone the repo
+#clone-prefix=
+
+
 ## Number of chars shown of repo description (in repolist view)
 #max-repodesc-length=60
 
@@ -162,12 +172,14 @@
 #repo.enable-log-linecount=0			## override the default linecount setting
 #repo.module-link=/git/%s/commit/?id=%s		## override the standard module-link
 #repo.readme=info/web/readme			## specify a file to include on summary page
+#repo.clone-url=git://hjemli.net/pub/git/cgit
 
 ## Additional repositories grouped under "mirrors"
 #repo.group=mirrors
 
 #repo.url=git
 #repo.path=/pub/git/git
+#repo.clone-url=git://hjemli.net/pub/git/git
 #
 #repo.url=linux
 #repo.path=/pub/git/linux
diff --git a/html.c b/html.c
index 6c9cc8b..eb163d9 100644
--- a/html.c
+++ b/html.c
@@ -132,7 +132,7 @@ void html_option(char *value, char *text, char *selected_value)
 	html_attr(value);
 	html("'");
 	if (selected_value && !strcmp(selected_value, value))
-		html(" selected");
+		html(" selected='selected'");
 	html(">");
 	html_txt(text);
 	html("</option>\n");
diff --git a/parsing.c b/parsing.c
index 55a485d..5093b8b 100644
--- a/parsing.c
+++ b/parsing.c
@@ -199,6 +199,7 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
 	ret->committer_email = NULL;
 	ret->subject = NULL;
 	ret->msg = NULL;
+	ret->msg_encoding = NULL;
 
 	if (p == NULL)
 		return ret;
@@ -233,6 +234,14 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
 		p = strchr(t, '\n') + 1;
 	}
 
+	if (!strncmp(p, "encoding ", 9)) {
+		p += 9;
+		t = strchr(p, '\n') + 1;
+		ret->msg_encoding = substr(p, t);
+		p = t;
+	} else
+		ret->msg_encoding = xstrdup(PAGE_ENCODING);
+
 	while (*p && (*p != '\n'))
 		p = strchr(p, '\n') + 1; // skip unknown header fields
 
@@ -253,6 +262,22 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
 	} else
 		ret->subject = substr(p, p+strlen(p));
 
+	if(strcmp(ret->msg_encoding, PAGE_ENCODING)) {
+		t = reencode_string(ret->subject, PAGE_ENCODING,
+				    ret->msg_encoding);
+		if(t) {
+			free(ret->subject);
+			ret->subject = t;
+		}
+
+		t = reencode_string(ret->msg, PAGE_ENCODING,
+				    ret->msg_encoding);
+		if(t) {
+			free(ret->msg);
+			ret->msg = t;
+		}
+	}
+
 	return ret;
 }
 
diff --git a/shared.c b/shared.c
index 84aa281..bf0581f 100644
--- a/shared.c
+++ b/shared.c
@@ -26,6 +26,8 @@ char *cgit_virtual_root = NULL;
 char *cgit_script_name  = CGIT_SCRIPT_NAME;
 char *cgit_cache_root   = CGIT_CACHE_ROOT;
 char *cgit_repo_group   = NULL;
+char *cgit_robots       = "index, nofollow";
+char *cgit_clone_prefix = NULL;
 
 int cgit_nocache               =  0;
 int cgit_snapshots             =  0;
@@ -68,7 +70,7 @@ int htmlfd = 0;
 int cgit_get_cmd_index(const char *cmd)
 {
 	static char *cmds[] = {"log", "commit", "diff", "tree", "blob",
-			       "snapshot", "tag", "refs", NULL};
+			       "snapshot", "tag", "refs", "patch", NULL};
 	int i;
 
 	for(i = 0; cmds[i]; i++)
@@ -197,6 +199,10 @@ void cgit_global_config_cb(const char *name, const char *value)
 		cgit_agefile = xstrdup(value);
 	else if (!strcmp(name, "renamelimit"))
 		cgit_renamelimit = atoi(value);
+	else if (!strcmp(name, "robots"))
+		cgit_robots = xstrdup(value);
+	else if (!strcmp(name, "clone-prefix"))
+		cgit_clone_prefix = xstrdup(value);
 	else if (!strcmp(name, "repo.group"))
 		cgit_repo_group = xstrdup(value);
 	else if (!strcmp(name, "repo.url"))
@@ -205,6 +211,8 @@ void cgit_global_config_cb(const char *name, const char *value)
 		cgit_repo->name = xstrdup(value);
 	else if (cgit_repo && !strcmp(name, "repo.path"))
 		cgit_repo->path = trim_end(value, '/');
+	else if (cgit_repo && !strcmp(name, "repo.clone-url"))
+		cgit_repo->clone_url = xstrdup(value);
 	else if (cgit_repo && !strcmp(name, "repo.desc"))
 		cgit_repo->desc = xstrdup(value);
 	else if (cgit_repo && !strcmp(name, "repo.owner"))
@@ -267,6 +275,8 @@ void *cgit_free_commitinfo(struct commitinfo *info)
 	free(info->committer);
 	free(info->committer_email);
 	free(info->subject);
+	free(info->msg);
+	free(info->msg_encoding);
 	free(info);
 	return NULL;
 }
diff --git a/tests/.gitignore b/tests/.gitignore
new file mode 100644
index 0000000..c1c1c0b
--- /dev/null
+++ b/tests/.gitignore
@@ -0,0 +1,2 @@
+trash
+test-output.log
diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..697e5a1
--- /dev/null
+++ b/tests/Makefile
@@ -0,0 +1,13 @@
+
+
+T = $(wildcard t[0-9][0-9][0-9][0-9]-*.sh)
+
+all: $(T)
+
+$(T):
+	@$@
+
+clean:
+	$(RM) -rf trash
+
+.PHONY: $(T) clean
diff --git a/tests/setup.sh b/tests/setup.sh
new file mode 100755
index 0000000..51d5a75
--- /dev/null
+++ b/tests/setup.sh
@@ -0,0 +1,108 @@
+# This file should be sourced by all test-scripts
+#
+# Main functions:
+#   prepare_tests(description) - setup for testing, i.e. create repos+config
+#   run_test(description, script) - run one test, i.e. eval script
+#
+# Helper functions
+#   cgit_query(querystring) - call cgit with the specified querystring
+#   cgit_url(url) - call cgit with the specified virtual url
+#
+# Example script:
+#
+# . setup.sh
+# prepare_tests "html validation"
+# run_test 'repo index' 'cgit_url "/" | tidy -e'
+# run_test 'repo summary' 'cgit_url "/foo" | tidy -e'
+
+
+mkrepo() {
+	name=$1
+	count=$2
+	dir=$PWD
+	test -d $name && return
+	printf "Creating testrepo %s\n" $name
+	mkdir -p $name
+	cd $name
+	git init
+	for ((n=1; n<=count; n++))
+	do
+		echo $n >file-$n
+		git add file-$n
+		git commit -m "commit $n"
+	done
+	cd $dir
+}
+
+setup_repos()
+{
+	rm -rf trash/cache
+	mkdir -p trash/cache
+	mkrepo trash/repos/foo 5 >/dev/null
+	mkrepo trash/repos/bar 50 >/dev/null
+	cat >trash/cgitrc <<EOF
+virtual-root=/
+cache-root=$PWD/trash/cache
+
+nocache=0
+snapshots=tar.gz tar.bz zip
+enable-log-filecount=1
+enable-log-linecount=1
+summary-log=5
+summary-branches=5
+summary-tags=5
+
+repo.url=foo
+repo.path=$PWD/trash/repos/foo/.git
+repo.desc=the foo repo
+
+repo.url=bar
+repo.path=$PWD/trash/repos/bar/.git
+repo.desc=the bar repo
+EOF
+}
+
+prepare_tests()
+{
+	setup_repos
+	test_count=0
+	test_failed=0
+	echo "$@" "($0)"
+}
+
+tests_done()
+{
+	printf "\n"
+	if test $test_failed -gt 0
+	then
+		printf "[%s of %s tests failed]\n" $test_failed $test_count
+		false
+	fi
+}
+
+run_test()
+{
+	desc=$1
+	script=$2
+	((test_count++))
+	eval "$2" >test-output.log
+	res=$?
+	if test $res = 0
+	then
+		printf "  %s: ok - %s\n" $test_count "$desc"
+	else
+		((test_failed++))
+		printf "  %s: fail - %s\n" $test_count "$desc"
+	fi
+}
+
+cgit_query()
+{
+	CGIT_CONFIG="$PWD/trash/cgitrc" QUERY_STRING="$1" "$PWD/../cgit"
+}
+
+cgit_url()
+{
+	CGIT_CONFIG="$PWD/trash/cgitrc" QUERY_STRING="url=$1" "$PWD/../cgit"
+}
+
diff --git a/tests/t0010-validate-html.sh b/tests/t0010-validate-html.sh
new file mode 100755
index 0000000..907a415
--- /dev/null
+++ b/tests/t0010-validate-html.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+. ./setup.sh
+
+
+test_url()
+{
+	tidy_opt="-eq"
+	test -z "$NO_TIDY_WARNINGS" || tidy_opt+=" --show-warnings no"
+	cgit_url "$1" | sed -e "1,4d" >trash/tidy-$test_count
+	tidy $tidy_opt trash/tidy-$test_count
+	rc=$?
+	if test $rc = 2
+	then
+		false
+	else
+		:
+	fi
+}
+
+prepare_tests 'Validate html with tidy'
+
+run_test 'index page' 'test_url ""'
+run_test 'foo' 'test_url "foo"'
+run_test 'foo/log' 'test_url "foo/log"'
+run_test 'foo/tree' 'test_url "foo/tree"'
+run_test 'foo/tree/file-1' 'test_url "foo/tree/file-1"'
+run_test 'foo/commit' 'test_url "foo/commit"'
+run_test 'foo/diff' 'test_url "foo/diff"'
+
+tests_done
diff --git a/tests/t0101-index.sh b/tests/t0101-index.sh
new file mode 100755
index 0000000..12ed00c
--- /dev/null
+++ b/tests/t0101-index.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+. ./setup.sh
+
+prepare_tests "Check content on index page"
+
+run_test 'generate index page' 'cgit_url "" >trash/tmp'
+run_test 'find foo repo' 'grep -e "foo" trash/tmp'
+run_test 'find bar repo' 'grep -e "bar" trash/tmp'
+run_test 'no tree-link' 'grep -ve "foo/tree" trash/tmp'
+run_test 'no log-link' 'grep -ve "foo/log" trash/tmp'
+
+tests_done
diff --git a/tests/t0102-summary.sh b/tests/t0102-summary.sh
new file mode 100755
index 0000000..7edd675
--- /dev/null
+++ b/tests/t0102-summary.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+. ./setup.sh
+
+prepare_tests "Check content on summary page"
+
+run_test 'generate foo summary' 'cgit_url "foo" >trash/tmp'
+run_test 'find commit 1' 'grep -e "commit 1" trash/tmp'
+run_test 'find commit 5' 'grep -e "commit 5" trash/tmp'
+run_test 'find branch master' 'grep -e "master" trash/tmp'
+run_test 'no tags' 'grep -ve "tags" trash/tmp'
+
+run_test 'generate bar summary' 'cgit_url "bar" >trash/tmp'
+run_test 'no commit 45' 'grep -ve "commit 45" trash/tmp'
+run_test 'find commit 46' 'grep -e "commit 46" trash/tmp'
+run_test 'find commit 50' 'grep -e "commit 50" trash/tmp'
+run_test 'find branch master' 'grep -e "master" trash/tmp'
+run_test 'no tags' 'grep -ve "tags" trash/tmp'
+
+tests_done
diff --git a/tests/t0103-log.sh b/tests/t0103-log.sh
new file mode 100755
index 0000000..b08cd29
--- /dev/null
+++ b/tests/t0103-log.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+. ./setup.sh
+
+prepare_tests "Check content on log page"
+
+run_test 'generate foo/log' 'cgit_url "foo/log" >trash/tmp'
+run_test 'find commit 1' 'grep -e "commit 1" trash/tmp'
+run_test 'find commit 5' 'grep -e "commit 5" trash/tmp'
+
+run_test 'generate bar/log' 'cgit_url "bar/log" >trash/tmp'
+run_test 'find commit 1' 'grep -e "commit 1" trash/tmp'
+run_test 'find commit 50' 'grep -e "commit 50" trash/tmp'
+
+tests_done
diff --git a/tests/t0104-tree.sh b/tests/t0104-tree.sh
new file mode 100755
index 0000000..2516c72
--- /dev/null
+++ b/tests/t0104-tree.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+. ./setup.sh
+
+prepare_tests "Check content on tree page"
+
+run_test 'generate bar/tree' 'cgit_url "bar/tree" >trash/tmp'
+run_test 'find file-1' 'grep -e "file-1" trash/tmp'
+run_test 'find file-50' 'grep -e "file-50" trash/tmp'
+
+run_test 'generate bar/tree/file-50' 'cgit_url "bar/tree/file-50" >trash/tmp'
+
+run_test 'find line 1' '
+	grep -e "<a id=.n1. name=.n1. href=.#n1.>1</a>" trash/tmp
+'
+
+run_test 'no line 2' '
+	grep -e "<a id=.n2. name=.n2. href=.#n2.>2</a>" trash/tmp
+'
+
+tests_done
diff --git a/tests/t0105-commit.sh b/tests/t0105-commit.sh
new file mode 100755
index 0000000..aa2bf33
--- /dev/null
+++ b/tests/t0105-commit.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+. ./setup.sh
+
+prepare_tests "Check content on commit page"
+
+run_test 'generate foo/commit' 'cgit_url "foo/commit" >trash/tmp'
+run_test 'find tree link' 'grep -e "<a href=./foo/tree/.>" trash/tmp'
+run_test 'find parent link' 'grep -E "<a href=./foo/commit/\?id=.+>" trash/tmp'
+
+run_test 'find commit subject' '
+	grep -e "<div class=.commit-subject.>commit 5</div>" trash/tmp
+'
+
+run_test 'find commit msg' 'grep -e "<div class=.commit-msg.></div>" trash/tmp'
+run_test 'find diffstat' 'grep -e "<table summary=.diffstat. class=.diffstat.>" trash/tmp'
+
+run_test 'find diff summary' '
+	 grep -e "1 files changed, 1 insertions, 0 deletions" trash/tmp
+'
+
+tests_done
diff --git a/tests/t0106-diff.sh b/tests/t0106-diff.sh
new file mode 100755
index 0000000..e140bcc
--- /dev/null
+++ b/tests/t0106-diff.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+. ./setup.sh
+
+prepare_tests "Check content on diff page"
+
+run_test 'generate foo/diff' 'cgit_url "foo/diff" >trash/tmp'
+run_test 'find diff header' 'grep -e "a/file-5 b/file-5" trash/tmp'
+run_test 'find blob link' 'grep -e "<a href=./foo/tree/file-5?id=" trash/tmp'
+run_test 'find added file' 'grep -e "new file mode 100644" trash/tmp'
+
+run_test 'find hunk header' '
+	grep -e "<div class=.hunk.>@@ -0,0 +1 @@</div>" trash/tmp
+'
+
+run_test 'find added line' '
+	grep -e "<div class=.add.>+5</div>" trash/tmp
+'
+
+tests_done
diff --git a/tests/t0107-snapshot.sh b/tests/t0107-snapshot.sh
new file mode 100755
index 0000000..8e90e10
--- /dev/null
+++ b/tests/t0107-snapshot.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+. ./setup.sh
+
+prepare_tests "Verify snapshot"
+
+run_test 'get foo/snapshot/test.tar.gz' '
+	cgit_url "foo/snapshot/test.tar.gz" >trash/tmp
+'
+
+run_test 'check html headers' '
+	head -n 1 trash/tmp |
+	     grep -e "Content-Type: application/x-tar" &&
+
+	head -n 2 trash/tmp |
+	     grep -e "Content-Disposition: inline; filename=.test.tar.gz."
+'
+
+run_test 'strip off the header lines' '
+	 tail -n +6 trash/tmp > trash/test.tar.gz
+'
+
+run_test 'verify gzip format' 'gunzip --test trash/test.tar.gz'
+run_test 'untar' 'tar -xf trash/test.tar.gz -C trash'
+
+run_test 'count files' '
+	c=$(ls -1 trash/foo/ | wc -l) &&
+	test $c = 5
+'
+
+run_test 'verify untarred file-5' '
+	 grep -e "^5$" trash/foo/file-5 &&
+	 test $(cat trash/foo/file-5 | wc -l) = 1
+'
+
+tests_done
diff --git a/ui-commit.c b/ui-commit.c
index 4ac8955..bd55a33 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -84,7 +84,7 @@ void print_fileinfo(struct fileinfo *info)
 	html("</td><td class='right'>");
 	htmlf("%d", info->added + info->removed);
 	html("</td><td class='graph'>");
-	htmlf("<table width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
+	htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
 	htmlf("<td class='add' style='width: %.1f%%;'/>",
 	      info->added * 100.0 / max_changes);
 	htmlf("<td class='rem' style='width: %.1f%%;'/>",
@@ -157,7 +157,7 @@ void cgit_print_commit(char *hex)
 	}
 	info = cgit_parse_commit(commit);
 
-	html("<table class='commit-info'>\n");
+	html("<table summary='commit info' class='commit-info'>\n");
 	html("<tr><th>author</th><td>");
 	html_txt(info->author);
 	html(" ");
@@ -209,7 +209,7 @@ void cgit_print_commit(char *hex)
 	html("</div>");
 	if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
 		html("<div class='diffstat-header'>Diffstat</div>");
-		html("<table class='diffstat'>");
+		html("<table summary='diffstat' class='diffstat'>");
 		max_changes = 0;
 		cgit_diff_commit(commit, inspect_filepair);
 		for(i = 0; i<files; i++)
diff --git a/ui-diff.c b/ui-diff.c
index ac9a3fa..4fcf852 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -141,7 +141,7 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
 		if (!commit2 || parse_commit(commit2))
 			cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1)));
 	}
-	html("<table class='diff'>");
+	html("<table summary='diff' class='diff'>");
 	html("<tr><td>");
 	cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix);
 	html("</td></tr>");
diff --git a/ui-log.c b/ui-log.c
index 9f5fdf6..a41d2b2 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -8,12 +8,18 @@
 
 #include "cgit.h"
 
-int files, lines;
+int files, add_lines, rem_lines;
 
 void count_lines(char *line, int size)
 {
-	if (size>0 && (line[0] == '+' || line[0] == '-'))
-		lines++;
+	if (size <= 0)
+		return;
+
+	if (line[0] == '+')
+		add_lines++;
+
+	else if (line[0] == '-')
+		rem_lines++;
 }
 
 void inspect_files(struct diff_filepair *pair)
@@ -35,13 +41,14 @@ void print_commit(struct commit *commit)
 			 sha1_to_hex(commit->object.sha1));
 	if (cgit_repo->enable_log_filecount) {
 		files = 0;
-		lines = 0;
+		add_lines = 0;
+		rem_lines = 0;
 		cgit_diff_commit(commit, inspect_files);
 		html("</td><td class='right'>");
 		htmlf("%d", files);
 		if (cgit_repo->enable_log_linecount) {
 			html("</td><td class='right'>");
-			htmlf("%d", lines);
+			htmlf("-%d/+%d", rem_lines, add_lines);
 		}
 	}
 	html("</td><td>");
@@ -83,14 +90,14 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 	}
 	prepare_revision_walk(&rev);
 
-	html("<table class='list nowrap'>");
+	html("<table summary='log' class='list nowrap'>");
 	html("<tr class='nohover'><th class='left'>Age</th>"
 	     "<th class='left'>Message</th>");
 
 	if (cgit_repo->enable_log_filecount) {
-		html("<th class='left'>Files</th>");
+		html("<th class='right'>Files</th>");
 		if (cgit_repo->enable_log_linecount)
-			html("<th class='left'>Lines</th>");
+			html("<th class='right'>Lines</th>");
 	}
 	html("<th class='left'>Author</th></tr>\n");
 
diff --git a/ui-patch.c b/ui-patch.c
new file mode 100644
index 0000000..e7a010a
--- /dev/null
+++ b/ui-patch.c
@@ -0,0 +1,110 @@
+/* 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"
+
+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)
+{
+	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, print_line))
+		html("Error running diff");
+}
+
+void cgit_print_patch(char *hex, struct cacheitem *item)
+{
+	struct commit *commit;
+	struct commitinfo *info;
+	unsigned char sha1[20], old_sha1[20];
+	char *patchname;
+
+	if (!hex)
+		hex = cgit_query_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);
+	hashcpy(old_sha1, commit->parents->item->object.sha1);
+
+	patchname = fmt("%s.patch", sha1_to_hex(sha1));
+	cgit_print_snapshot_start("text/plain", patchname, item);
+	htmlf("From %s Mon Sep 17 00:00:00 2001\n", sha1_to_hex(sha1));
+	htmlf("From: %s%s\n", info->author, info->author_email);
+	html("Date: ");
+	cgit_print_date(info->author_date, "%a, %d  %b  %Y  %H:%M:%S  %z%n");
+	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);
+	html("--\n");
+	htmlf("cgit %s\n", CGIT_VERSION);
+	cgit_free_commitinfo(info);
+}
diff --git a/ui-repolist.c b/ui-repolist.c
index 9aa5c1e..3e97ca9 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -53,7 +53,7 @@ void cgit_print_repolist(struct cacheitem *item)
 	cgit_print_docstart(cgit_root_title, item);
 	cgit_print_pageheader(cgit_root_title, 0);
 
-	html("<table class='list nowrap'>");
+	html("<table summary='repository list' class='list nowrap'>");
 	if (cgit_index_header) {
 		htmlf("<tr class='nohover'><td colspan='%d' class='include-block'>",
 		      columns);
diff --git a/ui-shared.c b/ui-shared.c
index 4944dfd2..60aa2e3 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -272,6 +272,12 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
 	html("</a>");
 }
 
+void cgit_patch_link(char *name, char *title, char *class, char *head,
+		     char *rev)
+{
+	reporevlink("patch", name, title, class, head, rev, NULL);
+}
+
 void cgit_object_link(struct object *obj)
 {
 	char *page, *arg, *url;
@@ -356,18 +362,20 @@ void cgit_print_age(time_t t, time_t max_relative, char *format)
 
 void cgit_print_docstart(char *title, struct cacheitem *item)
 {
-	html("Content-Type: text/html; charset=utf-8\n");
+	html("Content-Type: text/html; charset=" PAGE_ENCODING "\n");
 	htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
 	htmlf("Expires: %s\n", http_date(item->st.st_mtime +
 					 ttl_seconds(item->ttl)));
 	html("\n");
 	html(cgit_doctype);
-	html("<html>\n");
+	html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
 	html("<head>\n");
 	html("<title>");
 	html_txt(title);
 	html("</title>\n");
 	htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
+	if (cgit_robots && *cgit_robots)
+		htmlf("<meta name='robots' content='%s'/>\n", cgit_robots);
 	html("<link rel='stylesheet' type='text/css' href='");
 	html_attr(cgit_css);
 	html("'/>\n");
@@ -377,7 +385,7 @@ void cgit_print_docstart(char *title, struct cacheitem *item)
 
 void cgit_print_docend()
 {
-	html("</td>\n</tr>\n<table>\n</body>\n</html>\n");
+	html("</td>\n</tr>\n</table>\n</body>\n</html>\n");
 }
 
 int print_branch_option(const char *refname, const unsigned char *sha1,
@@ -415,7 +423,7 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
 		hashcpy(fileid, sha1);
 	}
 	if (!*header) {
-		html("<p><h1>download</h1>");
+		html("<h1>download</h1>\n");
 		*header = 1;
 	}
 	url = cgit_pageurl(cgit_query_repo, "blob",
@@ -458,23 +466,26 @@ void cgit_print_pageheader(char *title, int show_search)
 {
 	static const char *default_info = "This is cgit, a fast webinterface for git repositories";
 	int header = 0;
+	char *url;
 
-	html("<div id='sidebar'>\n");
-	html("<a href='");
+	html("<table id='layout' summary=''>\n");
+	html("<tr><td id='sidebar'>\n");
+	html("<table class='sidebar' cellspacing='0' summary=''>\n");
+	html("<tr><td class='sidebar'>\n<a href='");
 	html_attr(cgit_rooturl());
-	htmlf("'><div id='logo'><img src='%s' alt='cgit'/></div></a>\n",
+	htmlf("'><img src='%s' alt='cgit'/></a>\n",
 	      cgit_logo);
-	html("<div class='infobox'>");
+	html("</td></tr>\n<tr><td class='sidebar'>\n");
 	if (cgit_query_repo) {
-		html("<h1>");
+		html("<h1 class='first'>");
 		html_txt(strrpart(cgit_repo->name, 20));
 		html("</h1>\n");
 		html_txt(cgit_repo->desc);
 		if (cgit_repo->owner) {
-			html("<p>\n<h1>owner</h1>\n");
+			html("<h1>owner</h1>\n");
 			html_txt(cgit_repo->owner);
 		}
-		html("<p>\n<h1>navigate</h1>\n");
+		html("<h1>navigate</h1>\n");
 		reporevlink(NULL, "summary", NULL, "menu", cgit_query_head,
 			    NULL, NULL);
 		cgit_log_link("log", NULL, "menu", cgit_query_head, NULL, NULL,
@@ -485,22 +496,40 @@ void cgit_print_pageheader(char *title, int show_search)
 			      cgit_query_sha1);
 		cgit_diff_link("diff", NULL, "menu", cgit_query_head,
 			       cgit_query_sha1, cgit_query_sha2, NULL);
+		cgit_patch_link("patch", NULL, "menu", cgit_query_head,
+				cgit_query_sha1);
 
 		for_each_ref(print_archive_ref, &header);
 
-		html("<p>\n<h1>branch</h1>\n");
+		if (cgit_repo->clone_url || cgit_clone_prefix) {
+			html("<h1>clone</h1>\n");
+			if (cgit_repo->clone_url)
+				url = cgit_repo->clone_url;
+			else
+				url = fmt("%s%s", cgit_clone_prefix,
+					  cgit_repo->url);
+			html("<a class='menu' href='");
+			html_attr(url);
+			html("' title='");
+			html_attr(url);
+			html("'>\n");
+			html_txt(strrpart(url, 20));
+			html("</a>\n");
+		}
+
+		html("<h1>branch</h1>\n");
 		html("<form method='get' action=''>\n");
 		add_hidden_formfields(0, 1, cgit_query_page);
-		html("<table class='grid'><tr><td id='branch-dropdown-cell'>");
+//		html("<table summary='branch selector' class='grid'><tr><td id='branch-dropdown-cell'>");
 		html("<select name='h' onchange='this.form.submit();'>\n");
 		for_each_branch_ref(print_branch_option, cgit_query_head);
 		html("</select>\n");
-		html("</td><td>");
-		html("<noscript><input type='submit' id='switch-btn' value='..'></noscript>\n");
-		html("</td></tr></table>");
+//		html("</td><td>");
+		html("<noscript><input type='submit' id='switch-btn' value='switch'/></noscript>\n");
+//		html("</td></tr></table>");
 		html("</form>\n");
 
-		html("<p>\n<h1>search</h1>\n");
+		html("<h1>search</h1>\n");
 		html("<form method='get' action='");
 		if (cgit_virtual_root)
 			html_attr(cgit_fileurl(cgit_query_repo, "log",
@@ -521,9 +550,9 @@ void cgit_print_pageheader(char *title, int show_search)
 			html(default_info);
 	}
 
-	html("</div>\n");
+	html("</td></tr></table></td>\n");
 
-	html("</div>\n<table class='grid'><tr><td id='content'>\n");
+	html("<td id='content'>\n");
 }
 
 
diff --git a/ui-summary.c b/ui-summary.c
index c856793..b96414e 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -190,7 +190,7 @@ void cgit_print_summary()
 	if (cgit_summary_log > 0)
 		cgit_print_log(cgit_query_head, 0, cgit_summary_log, NULL,
 			       NULL, NULL, 0);
-	html("<table class='list nowrap'>");
+	html("<table summary='repository info' class='list nowrap'>");
 	if (cgit_summary_log > 0)
 		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
 	cgit_print_branches(cgit_summary_branches);
diff --git a/ui-tree.c b/ui-tree.c
index c22e30b..c138877 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -17,7 +17,7 @@ static void print_object(const unsigned char *sha1, char *path)
 	enum object_type type;
 	char *buf;
 	unsigned long size, lineno, start, idx;
-	const char *linefmt = "<tr><td class='no'><a name='%1$d'>%1$d</a></td><td class='txt'>";
+	const char *linefmt = "<tr><td class='no'><a id='n%1$d' name='n%1$d' href='#n%1$d'>%1$d</a></td><td class='txt'>";
 
 	type = sha1_object_info(sha1, &size);
 	if (type == OBJ_BAD) {
@@ -37,7 +37,7 @@ static void print_object(const unsigned char *sha1, char *path)
 	html_attr(cgit_pageurl(cgit_query_repo, "blob", fmt("id=%s", sha1_to_hex(sha1))));
 	htmlf("'>%s</a>",sha1_to_hex(sha1));
 
-	html("<table class='blob'>\n");
+	html("<table summary='blob content' class='blob'>\n");
 	idx = 0;
 	start = 0;
 	lineno = 0;
@@ -108,7 +108,7 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 
 static void ls_head()
 {
-	html("<table class='list'>\n");
+	html("<table summary='tree listing' class='list'>\n");
 	html("<tr class='nohover'>");
 	html("<th class='left'>Mode</th>");
 	html("<th class='left'>Name</th>");