1 files changed, 93 insertions, 0 deletions
diff --git a/third_party/git/t/t4210-log-i18n.sh b/third_party/git/t/t4210-log-i18n.sh
new file mode 100755
index 000000000000..c3792081e627
--- /dev/null
+++ b/third_party/git/t/t4210-log-i18n.sh
@@ -0,0 +1,93 @@
+#!/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=$(printf '\303\50)') # ")" at end to close opening "("
+
+test_expect_success 'create commits in different encodings' '
+	test_tick &&
+	cat >msg <<-EOF &&
+	utf8
+
+	t${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 !MINGW '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
+'
+
+for engine in fixed basic extended perl
+do
+	prereq=
+	if test $engine = "perl"
+	then
+		prereq="PCRE"
+	else
+		prereq=""
+	fi
+	force_regex=
+	if test $engine != "fixed"
+	then
+	    force_regex=.*
+	fi
+	test_expect_success !MINGW,!REGEX_ILLSEQ,GETTEXT_LOCALE,$prereq "-c grep.patternType=$engine log --grep does not find non-reencoded values (latin1 + locale)" "
+		cat >expect <<-\EOF &&
+		latin1
+		utf8
+		EOF
+		LC_ALL=\"$is_IS_locale\" git -c grep.patternType=$engine log --encoding=ISO-8859-1 --format=%s --grep=\"$force_regex$latin1_e\" >actual &&
+		test_cmp expect actual
+	"
+
+	test_expect_success !MINGW,GETTEXT_LOCALE,$prereq "-c grep.patternType=$engine log --grep does not find non-reencoded values (latin1 + locale)" "
+		LC_ALL=\"$is_IS_locale\" git -c grep.patternType=$engine log --encoding=ISO-8859-1 --format=%s --grep=\"$force_regex$utf8_e\" >actual &&
+		test_must_be_empty actual
+	"
+
+	test_expect_success !MINGW,!REGEX_ILLSEQ,GETTEXT_LOCALE,$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
+	"
+done
+
+test_done