i18n: make GETTEXT_POISON a runtime option

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 7f09867478c408cddee6b60639bfdf7c845421d8..562bd215a5315757dcc7c10e311106f2c7b0ff72 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -25,14 +25,14 @@ prompt_given ()
 
 test_expect_success 'basic usage requires no repo' '
        test_expect_code 129 git difftool -h >output &&
-       grep ^usage: output &&
+       test_i18ngrep ^usage: output &&
        # create a ceiling directory to prevent Git from finding a repo
        mkdir -p not/repo &&
        test_when_finished rm -r not &&
        test_expect_code 129 \
        env GIT_CEILING_DIRECTORIES="$(pwd)/not" \
        git -C not/repo difftool -h >output &&
-       grep ^usage: output
+       test_i18ngrep ^usage: output
 '
 
 # Create a file on master and change it on branch
@@ -557,7 +557,7 @@ test_expect_success SYMLINKS 'difftool --dir-diff --symlink without unstaged cha
        EOF
        git difftool --dir-diff --symlink \
                --extcmd "./.git/CHECK_SYMLINKS" branch HEAD &&
-       test_cmp actual expect
+       test_cmp expect actual
 '
 
 write_script modify-right-file <<\EOF