spm

Properly escape whitespaces in ${PASSWORD_STORE_KEY}

The key might be specified by a name containing whitespaces instead of
an email address or key ID.

diff --git a/spm.sh b/spm.sh
@@ -25,7 +25,7 @@ STORE_DIR="${PASSWORD_STORE_DIR:-${HOME}/.spm}"
 if [ -z "${PASSWORD_STORE_KEY}" ]; then
 	GPG_OPTS="${GPG_OPTS} --default-recipient-self"
 else
-	GPG_OPTS="${GPG_OPTS} --recipient ${PASSWORD_STORE_KEY}"
+	GPG_OPTS="${GPG_OPTS} --recipient '${PASSWORD_STORE_KEY}'"
 fi
 
 ## Helper