update_unicode.sh: set UNICODE_DIR only once

The value is the same on both uniset invocations, so "Don't Repeat
Yourself" applies.

Since this is done as the last command in the sequence, there's no
need to unset UNICODE_DIR at the end.

Signed-off-by: Beat Bolli <dev+git@drbeat.li>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/update_unicode.sh b/update_unicode.sh
index c1c876c9406b0b51d322186e6b5dbf5883ddab95..bed891691015d16a48d76b9c4fd9229bc9b2c249 100755 (executable)
--- a/update_unicode.sh
+++ b/update_unicode.sh
@@ -27,12 +27,13 @@ fi &&
                fi &&
                make
        ) && {
+               UNICODE_DIR=. && export UNICODE_DIR &&
                echo "static const struct interval zero_width[] = {" &&
-               UNICODE_DIR=. ./uniset/uniset --32 cat:Me,Mn,Cf + U+1160..U+11FF - U+00AD |
+               ./uniset/uniset --32 cat:Me,Mn,Cf + U+1160..U+11FF - U+00AD |
                grep -v plane &&
                echo "};" &&
                echo "static const struct interval double_width[] = {" &&
-               UNICODE_DIR=. ./uniset/uniset --32 eaw:F,W &&
+               ./uniset/uniset --32 eaw:F,W &&
                echo "};"
        } >$UNICODEWIDTH_H
 )