$ git clone -n https://src.fedoraproject.org/rpms/cervisia.git /var/lib/mock/f40-build-2210467-52181/root/chroot_tmpdir/scmroot/cervisia
Cloning into '/var/lib/mock/f40-build-2210467-52181/root/chroot_tmpdir/scmroot/cervisia'...
$ git fetch origin 2604218309afb381aff601682151acadb3582748:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cervisia
 * [new ref]         2604218309afb381aff601682151acadb3582748 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2604218 24.01.85