Fix checking for multiple keys

diff --git a/git-remote-gcrypt b/git-remote-gcrypt
index f0cf43fc8b4a42af55303aecf18d7d787501aa8e..f159cee2cbf1d9a9cbbf631ec8920a331c6857ff 100755 (executable)
--- a/git-remote-gcrypt
+++ b/git-remote-gcrypt
@@ -423,7 +423,7 @@ read_config()
        for recp_ in $conf_part
        do
                key_line=$(gpg --with-colons --fast-list -k "$recp_" | xgrep ^pub)
-               isnonnull "${key_line##*"$Newline"*}" ||
+               isnull "$key_line" || isnonnull "${key_line##*"$Newline"*}" ||
                echo_info "WARNING: '$recp_' matches multiple keys, using one"
                key_line=${key_line%%"$Newline"*}
                keyid_=$(xecho "$key_line" | cut -f 5 -d :)