$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-sqv.git /var/lib/mock/f38-build-side-42-init-devel-1395438-31050/root/chroot_tmpdir/scmroot/rust-sequoia-sqv
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1395438-31050/root/chroot_tmpdir/scmroot/rust-sequoia-sqv'...
$ git fetch origin 49b37a428d4feefb8d032243c74b9f6379d00918:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-sqv
 * [new ref]         49b37a428d4feefb8d032243c74b9f6379d00918 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49b37a4 Rebuild for sequoia-openpgp v1.16