Junio C Hamano <gits...@pobox.com> writes:

> ...  Comparing the index with the working tree using "status"
> is probably not how you would want to do so.  A future breakage may
> cause the indexed blob name to change by mistake, and status would
> happily report difference but you would not notice its output is
> saying "Hey, they are different between the index and the working
> tree", while you are expecting ONLY the change in the executable bit.

In other words, how about doing it this way?

-- >8 --
From: Johannes Sixt <j...@kdbg.org>
Date: Tue, 20 Sep 2016 08:18:25 +0200
Subject: [PATCH] t3700-add: do not rely on executable bit of the working tree 

A recently introduced test checks the result of 'git status' after
setting the executable bit on a file. This check does not yield the
expected result when the filesystem does not support the executable

The primary thing we care about is that a file added with --chmod=+x
has executable bit in the index, not that it is registered in the
index somehow differently from what is in the working tree, which
is what the "status" output tries to catch.  Let's check what we
care about, i.e. the path is marked as an executable in the index.

Signed-off-by: Johannes Sixt <j...@kdbg.org>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
 t/t3700-add.sh | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/t/t3700-add.sh b/t/t3700-add.sh
index 16ab2da..1a733bb 100755
--- a/t/t3700-add.sh
+++ b/t/t3700-add.sh
@@ -361,13 +361,11 @@ test_expect_success 'git add --chmod=[+-]x changes index 
with already added file
        test_mode_in_index 100644 xfoo3
-test_expect_success 'file status is changed after git add --chmod=+x' '
-       echo "AM foo4" >expected &&
+test_expect_success 'git add --chmod=[+-]x changes index with newly added 
file' '
        echo foo >foo4 &&
        git add foo4 &&
        git add --chmod=+x foo4 &&
-       git status -s foo4 >actual &&
-       test_cmp expected actual
+       test_mode_in_index 100755 foo4
 test_expect_success 'no file status change if no pathspec is given' '

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