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#!/bin/sh -e
if command -v gpg2 >/dev/null; then
GPG=gpg2
else
GPG=gpg
fi
tmp=$(mktemp -t mgpg.XXXXXX)
trap "rm -f '$tmp'" INT TERM EXIT
{
echo "Content-Type: $PIPE_CONTENTTYPE"
echo
cat
} > "$tmp"
n=$(mshow -t "$tmp" | awk -F: '
/: application\/pgp-encrypted/ {supported = 1}
/: application\/octet-stream/ {if (supported) print $1}')
if [ "$n" ]; then
mshow -O "$tmp" "$n" | $GPG --quiet -d 2>&1 || exit 0
exit 64
fi
exit 63
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