6 files changed, 53 insertions, 11 deletions

diff --git a/html.c b/html.c
index 36e9a2f..167127f 100644
--- a/html.c
+++ b/html.c
@@ -129,4 +129,20 @@ void html_attr(char *txt)
 }
 
+void html_url_arg(char *txt)
+{
+        char *t = txt;
+        while(t && *t){
+                int c = *t;
+                if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') {
+                        write(htmlfd, txt, t - txt);
+                        write(htmlfd, fmt("%%%2x", c), 3);
+                        txt = t+1;
+                }
+                t++;
+        }
+        if (t!=txt)
+                html(txt);
+}
+
 void html_hidden(char *name, char *value)
 {
diff --git a/html.h b/html.h
index 3c32935..038cf60 100644
--- a/html.h
+++ b/html.h
@@ -11,4 +11,5 @@ extern void html_txt(char *txt);
 extern void html_ntxt(int len, char *txt);
 extern void html_attr(char *txt);
+extern void html_url_arg(char *txt);
 extern void html_hidden(char *name, char *value);
 extern void html_option(char *value, char *text, char *selected_value);
diff --git a/tests/setup.sh b/tests/setup.sh
index e37306e..1457dd5 100755
--- a/tests/setup.sh
+++ b/tests/setup.sh
@@ -32,4 +32,11 @@ mkrepo() {
                 git commit -m "commit $n"
         done
+        if test "$3" = "testplus"
+        then
+                echo "hello" >a+b
+                git add a+b
+                git commit -m "add a+b"
+                git branch "1+2"
+        fi
         cd $dir
 }
@@ -41,4 +48,5 @@ setup_repos()
         mkrepo trash/repos/foo 5 >/dev/null
         mkrepo trash/repos/bar 50 >/dev/null
+        mkrepo trash/repos/foo+bar 10 testplus >/dev/null
         cat >trash/cgitrc <<EOF
 virtual-root=/
@@ -62,4 +70,8 @@ repo.url=bar
 repo.path=$PWD/trash/repos/bar/.git
 repo.desc=the bar repo
+
+repo.url=foo+bar
+repo.path=$PWD/trash/repos/foo+bar/.git
+repo.desc=the foo+bar repo
 EOF
 }
@@ -114,3 +126,2 @@ cgit_url()
         CGIT_CONFIG="$PWD/trash/cgitrc" QUERY_STRING="url=$1" "$PWD/../cgit"
 }
-
diff --git a/tests/t0101-index.sh b/tests/t0101-index.sh
index 445af6a..07e39f9 100755
--- a/tests/t0101-index.sh
+++ b/tests/t0101-index.sh
@@ -10,4 +10,6 @@ run_test 'find foo description' 'grep -e "\[no description\]" trash/tmp'
 run_test 'find bar repo' 'grep -e "bar" trash/tmp'
 run_test 'find bar description' 'grep -e "the bar repo" trash/tmp'
+run_test 'find foo+bar repo' 'grep -e ">foo+bar<" trash/tmp'
+run_test 'verify foo+bar link' 'grep -e "/foo+bar/" trash/tmp'
 run_test 'no tree-link' '! grep -e "foo/tree" trash/tmp'
 run_test 'no log-link' '! grep -e "foo/log" trash/tmp'
diff --git a/tests/t0104-tree.sh b/tests/t0104-tree.sh
index 2516c72..0d62cc8 100755
--- a/tests/t0104-tree.sh
+++ b/tests/t0104-tree.sh
@@ -19,3 +19,15 @@ run_test 'no line 2' '
 '
 
+run_test 'generate foo+bar/tree' 'cgit_url "foo%2bbar/tree" >trash/tmp'
+
+run_test 'verify a+b link' '
+        grep -e "/foo+bar/tree/a+b" trash/tmp
+'
+
+run_test 'generate foo+bar/tree?h=1+2' 'cgit_url "foo%2bbar/tree&h=1%2b2" >trash/tmp'
+
+run_test 'verify a+b?h=1+2 link' '
+        grep -e "/foo+bar/tree/a+b?h=1%2b2" trash/tmp
+'
+
 tests_done
diff --git a/ui-shared.c b/ui-shared.c
index c23bc75..a2f636c 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -222,12 +222,12 @@ static char *repolink(char *title, char *class, char *page, char *head,
                 html(ctx.cfg.script_name);
                 html("?url=");
-                html_attr(ctx.repo->url);
+                html_url_arg(ctx.repo->url);
                 if (ctx.repo->url[strlen(ctx.repo->url) - 1] != '/')
                         html("/");
                 if (page) {
-                        html(page);
+                        html_url_arg(page);
                         html("/");
                         if (path)
-                                html_attr(path);
+                                html_url_arg(path);
                 }
                 delim = "&amp;";
@@ -236,5 +236,5 @@ static char *repolink(char *title, char *class, char *page, char *head,
                 html(delim);
                 html("h=");
-                html_attr(head);
+                html_url_arg(head);
                 delim = "&amp;";
         }
@@ -251,5 +251,5 @@ static void reporevlink(char *page, char *name, char *title, char *class,
                 html(delim);
                 html("id=");
-                html_attr(rev);
+                html_url_arg(rev);
         }
         html("'>");
@@ -279,5 +279,5 @@ void cgit_log_link(char *name, char *title, char *class, char *head,
                 html(delim);
                 html("id=");
-                html_attr(rev);
+                html_url_arg(rev);
                 delim = "&";
         }
@@ -285,9 +285,9 @@ void cgit_log_link(char *name, char *title, char *class, char *head,
                 html(delim);
                 html("qt=");
-                html_attr(grep);
+                html_url_arg(grep);
                 delim = "&";
                 html(delim);
                 html("q=");
-                html_attr(pattern);
+                html_url_arg(pattern);
         }
         if (ofs > 0) {
@@ -334,5 +334,5 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
                 html(delim);
                 html("id=");
-                html_attr(new_rev);
+                html_url_arg(new_rev);
                 delim = "&amp;";
         }
@@ -340,5 +340,5 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
                 html(delim);
                 html("id2=");
-                html_attr(old_rev);
+                html_url_arg(old_rev);
         }
         html("'>");