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t0027: make commit_chk_wrnNNO() reliable

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When the content of a commited file is unchanged and the attributes
are changed, Git may not detect that the next commit must treat the
file as changed.  This happens when lstat() doesn't detect a change,
since neither inode, mtime nor size are changed.

Add a single "Z" character to change the file size and content.
When the files are compared later in checkout_files(), the "Z" is
removed before the comparison.

Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Torsten Bögershausen 2016-04-25 18:56:27 +02:00 committed by Junio C Hamano
parent 90f7b16b3a
commit ded2444ad8
1 changed files with 2 additions and 1 deletions
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3
t/t0027-auto-crlf.sh
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@ -12,7 +12,7 @@ fi
compare_files () {
tr '\015\000' QN <"$1" >"$1".expect &&
tr '\015\000' QN <"$2" >"$2".actual &&
tr '\015\000' QN <"$2" | tr -d 'Z' >"$2".actual &&
test_cmp "$1".expect "$2".actual &&
rm "$1".expect "$2".actual
}
@ -114,6 +114,7 @@ commit_chk_wrnNNO () {
do
fname=${pfx}_$f.txt &&
cp $f $fname &&
printf Z >>"$fname" &&
git -c core.autocrlf=$crlf add $fname 2>/dev/null &&
git -c core.autocrlf=$crlf commit -m "commit_$fname" $fname >"${pfx}_$f.err" 2>&1
done