test: hggit: add simple file rename test

The Hg-Git project has put a lot of emphasis on file renaming, better
check for that explicitly, even though we are already testing that.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>

test/hg-git.t

@@ -125,6 +125,31 @@ setup () {
 
 setup
 
+test_expect_success 'rename' '
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
+
+	(
+	hg init hgrepo1 &&
+	cd hgrepo1 &&
+	echo alpha > alpha &&
+	hg add alpha &&
+	hg commit -m "add alpha" &&
+	hg mv alpha beta &&
+	hg commit -m "rename alpha to beta"
+	) &&
+
+	for x in hg git
+	do
+		git_clone_$x hgrepo1 gitrepo-$x &&
+		hg_clone_$x gitrepo-$x hgrepo2-$x &&
+		hg_log hgrepo2-$x > "hg-log-$x" &&
+		git_log gitrepo-$x > "git-log-$x"
+	done &&
+
+	test_cmp hg-log-hg hg-log-git &&
+	test_cmp git-log-hg git-log-git
+'
+
 test_expect_success 'executable bit' '
 	test_when_finished "rm -rf gitrepo* hgrepo*" &&