tests: grep portability fixes

diff --git a/t/t4018-diff-funcname.sh b/t/t4018-diff-funcname.sh
index 18bcd9713d4e7a1446639dece4b8bc0173c57b22..520e095c597a61f0f263a274a53ae0aa2781da85 100755 (executable)
--- a/t/t4018-diff-funcname.sh
+++ b/t/t4018-diff-funcname.sh
@@ -32,7 +32,18 @@ EOF
 
 sed 's/beer\\/beer,\\/' < Beer.java > Beer-correct.java
 
+builtin_patterns="bibtex html java pascal php python ruby tex"
+for p in $builtin_patterns
+do
+       test_expect_success "builtin $p pattern compiles" '
+               echo "*.java diff=$p" > .gitattributes &&
+               ! ( git diff --no-index Beer.java Beer-correct.java 2>&1 |
+                       grep "fatal" > /dev/null )
+       '
+done
+
 test_expect_success 'default behaviour' '
+       rm -f .gitattributes &&
        git diff --no-index Beer.java Beer-correct.java |
        grep "^@@.*@@ public class Beer"
 '
@@ -58,7 +69,7 @@ test_expect_success 'last regexp must not be negated' '
 '
 
 test_expect_success 'alternation in pattern' '
-       git config diff.java.funcname "^[       ]*\\(\\(public\\|static\\).*\\)$"
+       git config diff.java.xfuncname "^[      ]*((public|static).*)$" &&
        git diff --no-index Beer.java Beer-correct.java |
        grep "^@@.*@@ public static void main("
 '