$ git clone -n https://src.fedoraproject.org/rpms/bovo.git /var/lib/mock/f39-build-1670613-40850/root/chroot_tmpdir/scmroot/bovo
Cloning into '/var/lib/mock/f39-build-1670613-40850/root/chroot_tmpdir/scmroot/bovo'...
$ git fetch origin 7912e2c71ef6c6f573d0714ab1ce100a9e5534b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bovo
 * [new ref]         7912e2c71ef6c6f573d0714ab1ce100a9e5534b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7912e2c 23.08.2