diff: introduce diff.submodule configuration variable

diff --git a/t/t4029-diff-trailing-space.sh b/t/t4029-diff-trailing-space.sh
index 4ca65e033289fe4ac757a3f19ecd3169bdb434e4..36e2f075c9f94286a05474b58e7600f2a9de2f20 100755 (executable)
--- a/t/t4029-diff-trailing-space.sh
+++ b/t/t4029-diff-trailing-space.sh
@@ -1,8 +1,8 @@
-#!/bin/bash
+#!/bin/sh
 #
 # Copyright (c) Jim Meyering
 #
-test_description='diff honors config option, diff.suppress-blank-empty'
+test_description='diff honors config option, diff.suppressBlankEmpty'
 
 . ./test-lib.sh
 
@@ -24,14 +24,14 @@ test_expect_success \
      git add f &&
      git commit -q -m. f &&
      printf "\ny\n" > f &&
-     git config --bool diff.suppress-blank-empty true &&
+     git config --bool diff.suppressBlankEmpty true &&
      git diff f > actual &&
      test_cmp exp actual &&
-     perl -i.bak -p -e "s/^\$/ /" exp &&
-     git config --bool diff.suppress-blank-empty false &&
+     "$PERL_PATH" -i.bak -p -e "s/^\$/ /" exp &&
+     git config --bool diff.suppressBlankEmpty false &&
      git diff f > actual &&
      test_cmp exp actual &&
-     git config --bool --unset diff.suppress-blank-empty &&
+     git config --bool --unset diff.suppressBlankEmpty &&
      git diff f > actual &&
      test_cmp exp actual
      '