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>

5 files changed, 25 insertions, 0 deletions

diff --git a/t/t4018/sh-function b/t/t4018/sh-function
new file mode 100644
index 0000000000..1d5096a0ac
--- /dev/null
+++ b/t/t4018/sh-function
@@ -0,0 +1,4 @@
+RIGHT_foo()
+{
+	ChangeMe;
+}
diff --git a/t/t4018/sh-function-comment b/t/t4018/sh-function-comment
new file mode 100644
index 0000000000..f340ee79e4
--- /dev/null
+++ b/t/t4018/sh-function-comment
@@ -0,0 +1,6 @@
+  RIGHT_foo() # echo 'foo'
+#bar()
+{
+	#bar()
+	ChangeMe;
+}
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
+	}
+}
diff --git a/t/t4018/sh-function-prefix b/t/t4018/sh-function-prefix
new file mode 100644
index 0000000000..e96eb7aa58
--- /dev/null
+++ b/t/t4018/sh-function-prefix
@@ -0,0 +1,4 @@
+function RIGHT_foo()
+{
+	ChangeMe;
+}
diff --git a/t/t4018/sh-function-string b/t/t4018/sh-function-string
new file mode 100644
index 0000000000..f60a899bc3
--- /dev/null
+++ b/t/t4018/sh-function-string
@@ -0,0 +1,4 @@
+RIGHT_foo() {
+	echo "bar()"
+	ChangeMe;
+}