Am 12.08.2016 um 18:51 schrieb tboegi@xxxxxx:
From: Torsten Bögershausen <tboegi@xxxxxx>
When a non-reversible CRLF conversion is done in "git add",
a warning is printed on stderr (or Git dies, depending on checksafe)
The function commit_chk_wrnNNO() in t0027 was written to test this,
but did the wrong thing: Instead of looking at the warning
from "git add", it looked at the warning from "git commit".
This is racy because "git commit" may not have to do CRLF conversion
at all if it can use the sha1 value from the index (which depends on
whether "add" and "commit" run in a single second).
Correct this and replace the commit for each and every file with a commit
of all files in one go.
The new test code does not only fix the race condition, but also tests
different things, or prepares test cases in a different manner. I would
have appreciated an explanation why this is necessary. Is it "on my
machine, the race condition was triggered consistently for a bunch of
tests, and so I recorded the wrong expected output in the test cases"?
The function commit_chk_wrnNNO() will to be renamed in a separate commit.
Thanks to Jeff King <peff@xxxxxxxx> for analyzing t0027.
Reported-By: Johannes Schindelin <Johannes.Schindelin@xxxxxx>
---
t/t0027-auto-crlf.sh | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/t/t0027-auto-crlf.sh b/t/t0027-auto-crlf.sh
index 2860d2d..ab6e962 100755
--- a/t/t0027-auto-crlf.sh
+++ b/t/t0027-auto-crlf.sh
@@ -119,8 +119,7 @@ commit_chk_wrnNNO () {
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}_$f.err" 2>&1
+ git -c core.autocrlf=$crlf add $fname 2>"${pfx}_$f.err"
done
test_expect_success "commit NNO files crlf=$crlf attr=$attr LF" '
@@ -394,11 +393,11 @@ test_expect_success 'commit files attr=crlf' '
# attr LF CRLF CRLFmixLF LF_mix_CR CRLFNUL
commit_chk_wrnNNO "" "" false "" "" "" "" ""
-commit_chk_wrnNNO "" "" true LF_CRLF "" "" "" ""
+commit_chk_wrnNNO "" "" true "" "" "" "" ""
commit_chk_wrnNNO "" "" input "" "" "" "" ""
-commit_chk_wrnNNO "auto" "" false "$WILC" "" "" "" ""
-commit_chk_wrnNNO "auto" "" true LF_CRLF "" "" "" ""
+commit_chk_wrnNNO "auto" "" false "" "" "" "" ""
+commit_chk_wrnNNO "auto" "" true "" "" "" "" ""
commit_chk_wrnNNO "auto" "" input "" "" "" "" ""
for crlf in true false input
do
@@ -408,7 +407,7 @@ do
commit_chk_wrnNNO "" lf $crlf "" CRLF_LF CRLF_LF "" CRLF_LF
commit_chk_wrnNNO "" crlf $crlf LF_CRLF "" LF_CRLF LF_CRLF ""
commit_chk_wrnNNO auto lf $crlf "" "" "" "" ""
- commit_chk_wrnNNO auto crlf $crlf LF_CRLF "" "" "" ""
+ commit_chk_wrnNNO auto crlf $crlf "" "" "" "" ""
commit_chk_wrnNNO text lf $crlf "" CRLF_LF CRLF_LF "" CRLF_LF
commit_chk_wrnNNO text crlf $crlf LF_CRLF "" LF_CRLF LF_CRLF ""
done
@@ -417,7 +416,8 @@ commit_chk_wrnNNO "text" "" false "$WILC" "$WICL" "$WAMIX" "$WILC
commit_chk_wrnNNO "text" "" true LF_CRLF "" LF_CRLF LF_CRLF ""
commit_chk_wrnNNO "text" "" input "" CRLF_LF CRLF_LF "" CRLF_LF
-test_expect_success 'create files cleanup' '
+test_expect_success 'commit NNO and cleanup' '
+ git commit -m "commit files on top of NNO" &&
rm -f *.txt &&
git -c core.autocrlf=false reset --hard
'
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