t/t4029-diff-trailing-space.sh

   1 #!/bin/bash
   2 #
   3 # Copyright (c) Jim Meyering
   4 #
   5 test_description='diff honors config option, diff.suppress-blank-empty'
   6
   7 . ./test-lib.sh
   8
   9 cat <<\EOF > exp ||
  10 diff --git a/f b/f
  11 index 5f6a263..8cb8bae 100644
  12 --- a/f
  13 +++ b/f
  14 @@ -1,2 +1,2 @@
  15
  16 -x
  17 +y
  18 EOF
  19 exit 1
  20
  21 test_expect_success \
  22     "$test_description" \
  23     'printf "\nx\n" > f &&
  24      git add f &&
  25      git commit -q -m. f &&
  26      printf "\ny\n" > f &&
  27      git config --bool diff.suppress-blank-empty true &&
  28      git diff f > actual &&
  29      test_cmp exp actual &&
  30      perl -i.bak -p -e "s/^\$/ /" exp &&
  31      git config --bool diff.suppress-blank-empty false &&
  32      git diff f > actual &&
  33      test_cmp exp actual &&
  34      git config --bool --unset diff.suppress-blank-empty &&
  35      git diff f > actual &&
  36      test_cmp exp actual
  37      '
  38
  39 test_done