$ git clone -n https://src.fedoraproject.org/rpms/keychain.git /var/lib/mock/f45-build-14741-463/root/chroot_tmpdir/scmroot/keychain
Cloning into '/var/lib/mock/f45-build-14741-463/root/chroot_tmpdir/scmroot/keychain'...
$ git fetch origin 081627d6b8315a1ea913ee5f4db4c4a980648c10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/keychain
 * [new ref]         081627d6b8315a1ea913ee5f4db4c4a980648c10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 081627d Fix keychain.csh for new 3.0.x series