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Add check for gpg tool #822

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Add check for gpg tool #822

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7 changes: 7 additions & 0 deletions contrib/create-coreos-vdi
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,13 @@ if [ $? -ne 0 ]; then
exit 1
fi

# GPG tools required
which gpg &>/dev/null
if [ $? -ne 0 ]; then
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In general, you'd want to wrap vars with double quotes "$?". It's just that it this case it would always have some return code, but for arbitrary var it might end up being interpolated as if [ -ne 0 ]; then in case of empty var/string, which would lead to syntax error being raised by shell interpreter.

echo "$0: gpg is required to verify GPG signature." >&2
exit 1
fi

if [ -z "${DEST}" ]; then
DEST=$PWD
fi
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