tvl-depot/third_party/git/t/t4210-log-i18n.sh
Vincent Ambo f4609b896f merge(3p/git): Merge git subtree at v2.29.2
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 19:45:56 +01:00

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#!/bin/sh
test_description='test log with i18n features'
. ./lib-gettext.sh
# two forms of é
utf8_e=$(printf '\303\251')
latin1_e=$(printf '\351')
# invalid UTF-8
invalid_e=$(printf '\303\50)') # ")" at end to close opening "("
have_reg_illseq=
if test_have_prereq GETTEXT_LOCALE &&
! LC_ALL=$is_IS_locale test-tool regex --silent $latin1_e
then
have_reg_illseq=1
fi
test_expect_success 'create commits in different encodings' '
test_tick &&
cat >msg <<-EOF &&
utf8
t${utf8_e}st
EOF
git add msg &&
git -c i18n.commitencoding=utf8 commit -F msg &&
cat >msg <<-EOF &&
latin1
t${latin1_e}st
EOF
git add msg &&
git -c i18n.commitencoding=ISO-8859-1 commit -F msg
'
test_expect_success 'log --grep searches in log output encoding (utf8)' '
cat >expect <<-\EOF &&
latin1
utf8
EOF
git log --encoding=utf8 --format=%s --grep=$utf8_e >actual &&
test_cmp expect actual
'
test_expect_success !MINGW 'log --grep searches in log output encoding (latin1)' '
cat >expect <<-\EOF &&
latin1
utf8
EOF
git log --encoding=ISO-8859-1 --format=%s --grep=$latin1_e >actual &&
test_cmp expect actual
'
test_expect_success !MINGW 'log --grep does not find non-reencoded values (utf8)' '
git log --encoding=utf8 --format=%s --grep=$latin1_e >actual &&
test_must_be_empty actual
'
test_expect_success 'log --grep does not find non-reencoded values (latin1)' '
git log --encoding=ISO-8859-1 --format=%s --grep=$utf8_e >actual &&
test_must_be_empty actual
'
triggers_undefined_behaviour () {
local engine=$1
case $engine in
fixed)
if test -n "$have_reg_illseq" &&
! test_have_prereq LIBPCRE2
then
return 0
fi
;;
basic|extended)
if test -n "$have_reg_illseq"
then
return 0
fi
;;
esac
return 1
}
mismatched_git_log () {
local pattern=$1
LC_ALL=$is_IS_locale git log --encoding=ISO-8859-1 --format=%s \
--grep=$pattern
}
for engine in fixed basic extended perl
do
prereq=
if test $engine = "perl"
then
prereq=PCRE
fi
force_regex=
if test $engine != "fixed"
then
force_regex='.*'
fi
test_expect_success $prereq "config grep.patternType=$engine" "
git config grep.patternType $engine
"
test_expect_success GETTEXT_LOCALE,$prereq "log --grep does not find non-reencoded values (latin1 + locale)" "
mismatched_git_log '$force_regex$utf8_e' >actual &&
test_must_be_empty actual
"
if ! triggers_undefined_behaviour $engine
then
test_expect_success !MINGW,GETTEXT_LOCALE,$prereq "log --grep searches in log output encoding (latin1 + locale)" "
cat >expect <<-\EOF &&
latin1
utf8
EOF
mismatched_git_log '$force_regex$latin1_e' >actual &&
test_cmp expect actual
"
test_expect_success GETTEXT_LOCALE,$prereq "log --grep does not die on invalid UTF-8 value (latin1 + locale + invalid needle)" "
mismatched_git_log '$force_regex$invalid_e' >actual &&
test_must_be_empty actual
"
fi
done
test_done