test-lib: add in-shell "env" replacement

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index ec8bc8c7656fd7f0fd03226b5491f5bc9d532dd7..ff7a9e968f4dde078a131ee65306ae6784e8faa5 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -20,7 +20,7 @@ difftool_test_setup ()
 prompt_given ()
 {
        prompt="$1"
-       test "$prompt" = "Launch 'test-tool' [Y/n]: branch"
+       test "$prompt" = "Launch 'test-tool' [Y/n]? branch"
 }
 
 # Create a file on master and change it on branch
@@ -430,11 +430,11 @@ EOF
 test_expect_success PERL,SYMLINKS 'difftool --dir-diff --symlink without unstaged changes' '
        cat >expect <<-EOF &&
        file
-       $(pwd)/file
+       $PWD/file
        file2
-       $(pwd)/file2
+       $PWD/file2
        sub/sub
-       $(pwd)/sub/sub
+       $PWD/sub/sub
        EOF
        git difftool --dir-diff --symlink \
                --extcmd "./.git/CHECK_SYMLINKS" branch HEAD &&
@@ -448,14 +448,14 @@ EOF
 run_dir_diff_test 'difftool --dir-diff syncs worktree with unstaged change' '
        test_when_finished git reset --hard &&
        echo "orig content" >file &&
-       git difftool -d $symlinks --extcmd "$(pwd)/modify-right-file" branch &&
+       git difftool -d $symlinks --extcmd "$PWD/modify-right-file" branch &&
        echo "new content" >expect &&
        test_cmp expect file
 '
 
 run_dir_diff_test 'difftool --dir-diff syncs worktree without unstaged change' '
        test_when_finished git reset --hard &&
-       git difftool -d $symlinks --extcmd "$(pwd)/modify-right-file" branch &&
+       git difftool -d $symlinks --extcmd "$PWD/modify-right-file" branch &&
        echo "new content" >expect &&
        test_cmp expect file
 '
@@ -466,7 +466,7 @@ EOF
 
 test_expect_success PERL 'difftool --no-symlinks does not overwrite working tree file ' '
        echo "orig content" >file &&
-       git difftool --dir-diff --no-symlinks --extcmd "$(pwd)/modify-file" branch &&
+       git difftool --dir-diff --no-symlinks --extcmd "$PWD/modify-file" branch &&
        echo "new content" >expect &&
        test_cmp expect file
 '
@@ -482,7 +482,7 @@ test_expect_success PERL 'difftool --no-symlinks detects conflict ' '
                TMPDIR=$TRASH_DIRECTORY &&
                export TMPDIR &&
                echo "orig content" >file &&
-               test_must_fail git difftool --dir-diff --no-symlinks --extcmd "$(pwd)/modify-both-files" branch &&
+               test_must_fail git difftool --dir-diff --no-symlinks --extcmd "$PWD/modify-both-files" branch &&
                echo "wt content" >expect &&
                test_cmp expect file &&
                echo "tmp content" >expect &&