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fix portability bug: make sure destination file is writeable

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Some shells let this go w/o comment, some don't.
Better to be sure.

(ensure): If "$dst" exists, make sure it is writeable.
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Thien-Thi Nguyen 2022-06-30 03:34:54 -04:00
parent f377076174
commit 4cf70435b2
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contrib/gana-update.sh
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@ -22,6 +22,7 @@ ensure ()
if ! diff $src $dst > /dev/null if ! diff $src $dst > /dev/null
then then
test ! -f $dst || chmod +w $dst
cp $src $dst cp $src $dst
chmod -w $dst chmod -w $dst
fi fi