$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-policy-config.git /var/lib/mock/f38-build-side-43-rust-devel-1414131-31447/root/chroot_tmpdir/scmroot/rust-sequoia-policy-config
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1414131-31447/root/chroot_tmpdir/scmroot/rust-sequoia-policy-config'...
$ git fetch origin 67c567767c24d8e463a996c3d9e962b5fc6e3719:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-policy-config
 * [new ref]         67c567767c24d8e463a996c3d9e962b5fc6e3719 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67c5677 Rebuild for sequoia-openpgp v1.16