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authorÆvar Arnfjörð Bjarmason <avarab@gmail.com>2019-06-27 23:39:05 (GMT)
committerJunio C Hamano <gitster@pobox.com>2019-06-28 16:11:09 (GMT)
commit44570188a0e324048decf06b845d34c45b08a4fa (patch)
tree34599afabc8325f61c8da6d4b3eba0b2807fc666 /t/t4210-log-i18n.sh
parent4e2443b1813dded87c9cc1138f22af73748022b8 (diff)
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grep: don't use PCRE2?_UTF8 with "log --encoding=<non-utf8>"
Fix a bug introduced in 18547aacf5 ("grep/pcre: support utf-8", 2016-06-25) that was missed due to a blindspot in our tests, as discussed in the previous commit. I then blindly copied the same bug in 94da9193a6 ("grep: add support for PCRE v2", 2017-06-01) when adding the PCRE v2 code. We should not tell PCRE that we're processing UTF-8 just because we're dealing with non-ASCII. In the case of e.g. "log --encoding=<...>" under is_utf8_locale() the haystack might be in ISO-8859-1, and the needle might be in a non-UTF-8 encoding. Maybe we should be more strict here and die earlier? Should we also be converting the needle to the encoding in question, and failing if it's not a string that's valid in that encoding? Maybe. But for now matching this as non-UTF8 at least has some hope of producing sensible results, since we know that our default heuristic of assuming the text to be matched is in the user locale encoding isn't true when we've explicitly encoded it to be in a different encoding. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/t4210-log-i18n.sh')
-rwxr-xr-xt/t4210-log-i18n.sh6
1 files changed, 2 insertions, 4 deletions
diff --git a/t/t4210-log-i18n.sh b/t/t4210-log-i18n.sh
index 86d22c1..515bcb7 100755
--- a/t/t4210-log-i18n.sh
+++ b/t/t4210-log-i18n.sh
@@ -59,10 +59,8 @@ test_expect_success 'log --grep does not find non-reencoded values (latin1)' '
for engine in fixed basic extended perl
do
prereq=
- result=success
if test $engine = "perl"
then
- result=failure
prereq="PCRE"
else
prereq=""
@@ -72,7 +70,7 @@ do
then
force_regex=.*
fi
- test_expect_$result GETTEXT_LOCALE,$prereq "-c grep.patternType=$engine log --grep does not find non-reencoded values (latin1 + locale)" "
+ test_expect_success GETTEXT_LOCALE,$prereq "-c grep.patternType=$engine log --grep does not find non-reencoded values (latin1 + locale)" "
cat >expect <<-\EOF &&
latin1
utf8
@@ -86,7 +84,7 @@ do
test_must_be_empty actual
"
- test_expect_$result GETTEXT_LOCALE,$prereq "-c grep.patternType=$engine log --grep does not die on invalid UTF-8 value (latin1 + locale + invalid needle)" "
+ test_expect_success GETTEXT_LOCALE,$prereq "-c grep.patternType=$engine log --grep does not die on invalid UTF-8 value (latin1 + locale + invalid needle)" "
LC_ALL=\"$is_IS_locale\" git -c grep.patternType=$engine log --encoding=ISO-8859-1 --format=%s --grep=\"$force_regex$invalid_e\" >actual &&
test_must_be_empty actual
"