[PATCH] t4210: skip i18n tests that don't work on FreeBSD

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From: Ed Maste <emaste@xxxxxxxxxxx>

A number of t4210-log-i18n tests added in 4e2443b181 set LC_ALL to a UTF-8
locale (is_IS.UTF-8) but then pass an invalid UTF-8 string to --grep.
FreeBSD's regcomp() fails in this case with REG_ILLSEQ sequence which git
then passes to die():

fatal: command line: '�': illegal byte sequence

When these tests were added the commit message stated:

| It's possible that this
| test breaks the "basic" and "extended" backends on some systems that
| are more anal than glibc about the encoding of locale issues with
| POSIX functions that I can remember

which seems to be the case here.

Extend test-lib.sh to add a FREEBSD prereq (akin to MINGW) and add !FREEBSD
to these tests.

Signed-off-by: Ed Maste <emaste@xxxxxxxxxxx>
---
 t/t4210-log-i18n.sh | 4 ++--
 t/test-lib.sh       | 8 +++++++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/t/t4210-log-i18n.sh b/t/t4210-log-i18n.sh
index 6e61f57f09..d897eea1aa 100755
--- a/t/t4210-log-i18n.sh
+++ b/t/t4210-log-i18n.sh
@@ -70,7 +70,7 @@ do
 	then
 	    force_regex=.*
 	fi
-	test_expect_success !MINGW,GETTEXT_LOCALE,$prereq "-c grep.patternType=$engine log --grep does not find non-reencoded values (latin1 + locale)" "
+	test_expect_success !MINGW,!FREEBSD,GETTEXT_LOCALE,$prereq "-c grep.patternType=$engine log --grep does not find non-reencoded values (latin1 + locale)" "
 		cat >expect <<-\EOF &&
 		latin1
 		utf8
@@ -84,7 +84,7 @@ do
 		test_must_be_empty actual
 	"
 
-	test_expect_success !MINGW,GETTEXT_LOCALE,$prereq "-c grep.patternType=$engine log --grep does not die on invalid UTF-8 value (latin1 + locale + invalid needle)" "
+	test_expect_success !MINGW,!FREEBSD,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
 	"
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 46c4440843..8693ff9eec 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1422,7 +1422,7 @@ else
 	'
 fi
 
-# Fix some commands on Windows
+# Fix some commands on Windows, and other OS-specific things
 uname_s=$(uname -s)
 case $uname_s in
 *MINGW*)
@@ -1453,6 +1453,12 @@ case $uname_s in
 	test_set_prereq SED_STRIPS_CR
 	test_set_prereq GREP_STRIPS_CR
 	;;
+FreeBSD)
+	test_set_prereq FREEBSD
+	test_set_prereq POSIXPERM
+	test_set_prereq BSLASHPSPEC
+	test_set_prereq EXECKEEPSPID
+	;;
 *)
 	test_set_prereq POSIXPERM
 	test_set_prereq BSLASHPSPEC
-- 
2.24.0




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