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From Ludo's suggestion at:
http://debbugs.gnu.org/cgi/bugreport.cgi?msg=8;bug=18258
diff --git a/tests/t0251-gpt-unicode.sh b/tests/t0251-gpt-unicode.sh
index c845950..fa63a72 100755
--- a/tests/t0251-gpt-unicode.sh
+++ b/tests/t0251-gpt-unicode.sh
@@ -22,7 +22,24 @@ dev=loop-file
# create zeroed device
truncate -s 10m $dev || fail=1
-export LC_ALL=C.UTF-8
+found_locale=no
+for locale in en_US de_DE fr_FR es_ES
+do
+ LC_ALL="$locale.UTF-8"
+ export LC_ALL
+
+ # In a UTF-8 locale, the string below prints as 4 characters.
+ if [ `printf 'foo\341\264\244' | wc -m` -eq 4 ]; then
+ found_locale=yes
+ break
+ fi
+done
+
+if [ "$found_locale" != "yes" ]; then
+ echo "no valid UTF-8 locale found; skipping" >&2
+ exit 77
+fi
+
# create gpt label with named partition
part_name=$(printf 'foo\341\264\244')
parted -s $dev mklabel gpt mkpart primary ext2 1MiB 2MiB name 1 $part_name > empty 2>&1 || fail=1
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