$ git clone -n https://src.fedoraproject.org/rpms/vagrant-cachier.git /var/lib/mock/f40-build-2044456-48711/root/chroot_tmpdir/scmroot/vagrant-cachier
Cloning into '/var/lib/mock/f40-build-2044456-48711/root/chroot_tmpdir/scmroot/vagrant-cachier'...
$ git fetch origin 6ba7a40a970deb0983f7e31e14213c4c0504daef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vagrant-cachier
 * [new ref]         6ba7a40a970deb0983f7e31e14213c4c0504daef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ba7a40 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild