agent-transfer
copy a secret key from GnuPG's gpg-agent to OpenSSH's ssh-agent
RUN apt-get update && \
apt-get install -y agent-transfer
RUN apt-get update && \
apt-get install -y agent-transfer
RUN apt-get update && \
apt-get install -y agent-transfer
RUN dnf install -y agent-transfer
RUN apt-get update && \
apt-get install -y agent-transfer