$ git clone -n https://src.fedoraproject.org/rpms/bcftools.git /var/lib/mock/f39-build-1847352-42140/root/chroot_tmpdir/scmroot/bcftools
Cloning into '/var/lib/mock/f39-build-1847352-42140/root/chroot_tmpdir/scmroot/bcftools'...
$ git fetch origin 4827640488cfe1e519f8e9a3a0a6e8e3cd9261d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcftools
 * [new ref]         4827640488cfe1e519f8e9a3a0a6e8e3cd9261d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4827640 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild