git-sh-i18n--envsubst: our own envsubst(1) for eval_gettext()

diff --git a/t/t4020-diff-external.sh b/t/t4020-diff-external.sh
index 2a72e751e290ad59d5277695a1128aebb678c2a1..083f62d1d6bb6bfd908b0a03db1a47f80071ef91 100755 (executable)
--- a/t/t4020-diff-external.sh
+++ b/t/t4020-diff-external.sh
@@ -4,8 +4,6 @@ test_description='external diff interface test'
 
 . ./test-lib.sh
 
-_z40=0000000000000000000000000000000000000000
-
 test_expect_success setup '
 
        test_tick &&
@@ -128,12 +126,45 @@ test_expect_success 'force diff with "diff"' '
        test_cmp "$TEST_DIRECTORY"/t4020/diff.NUL actual
 '
 
+test_expect_success 'GIT_EXTERNAL_DIFF with more than one changed files' '
+       echo anotherfile > file2 &&
+       git add file2 &&
+       git commit -m "added 2nd file" &&
+       echo modified >file2 &&
+       GIT_EXTERNAL_DIFF=echo git diff
+'
+
+test_expect_success 'GIT_EXTERNAL_DIFF generates pretty paths' '
+       touch file.ext &&
+       git add file.ext &&
+       echo with extension > file.ext &&
+       GIT_EXTERNAL_DIFF=echo git diff file.ext | grep ......_file\.ext &&
+       git update-index --force-remove file.ext &&
+       rm file.ext
+'
+
+echo "#!$SHELL_PATH" >fake-diff.sh
+cat >> fake-diff.sh <<\EOF
+cat $2 >> crlfed.txt
+EOF
+chmod a+x fake-diff.sh
+
+keep_only_cr () {
+       tr -dc '\015'
+}
+
+test_expect_success 'external diff with autocrlf = true' '
+       git config core.autocrlf true &&
+       GIT_EXTERNAL_DIFF=./fake-diff.sh git diff &&
+       test $(wc -l < crlfed.txt) = $(cat crlfed.txt | keep_only_cr | wc -c)
+'
+
 test_expect_success 'diff --cached' '
        git add file &&
        git update-index --assume-unchanged file &&
        echo second >file &&
        git diff --cached >actual &&
-       test_cmp ../t4020/diff.NUL actual
+       test_cmp "$TEST_DIRECTORY"/t4020/diff.NUL actual
 '
 
 test_done