$ git clone -n https://src.fedoraproject.org/rpms/python-environs.git /var/lib/mock/f39-build-1537632-36383/root/chroot_tmpdir/scmroot/python-environs
Cloning into '/var/lib/mock/f39-build-1537632-36383/root/chroot_tmpdir/scmroot/python-environs'...
$ git fetch origin f8bcce81286af8ab29c9264b838131d2e989acd5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-environs
 * [new ref]         f8bcce81286af8ab29c9264b838131d2e989acd5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8bcce8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild