userdiff: funcname and word patterns for shas/userdiff-sh

Add regexp based on the "Shell Command Language" specifications.
Because of the lax syntax of sh, some corner cases may not be
handled properly.

Signed-off-by: Adrien Schildknecht <adrien+dev@schischi.me>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/t/t4018/sh-function-nested b/t/t4018/sh-function-nested
new file mode 100644
index 0000000000..d3263f3ade
--- /dev/null
+++ b/t/t4018/sh-function-nested
@@ -0,0 +1,7 @@
+foo (     )
+{
+	RIGHT_bar()
+	{
+		echo ChangeMe
+	}
+}