diff --git a/tests/test-tags b/tests/test-tags
new file mode 100755
--- /dev/null
+++ b/tests/test-tags
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+set -x
+mkdir t
+cd t
+hg init
+hg id
+echo a > a
+hg add a
+hg commit -t "test" -u test -d "0 0"
+hg co
+hg identify
+T=`hg -q tip | cut -d : -f 2`
+echo "$T first" > .hgtags
+cat .hgtags
+hg add .hgtags
+hg commit -t "add tags" -u test -d "0 0"
+hg tags
+hg identify
+echo bb > a
+hg status
+hg identify
+hg co first
+hg id
+hg -v id
+hg status
+echo 1 > b
+hg add b
+hg commit -t "branch" -u test -d "0 0"
+hg id
+hg co -m 1
+hg id
+hg status
+