$ git clone -n https://src.fedoraproject.org/rpms/htmltest.git /var/lib/mock/f40-build-802559-144040/root/chroot_tmpdir/scmroot/htmltest
Cloning into '/var/lib/mock/f40-build-802559-144040/root/chroot_tmpdir/scmroot/htmltest'...
$ git fetch origin f20b012c8264c16354f28d8de5690b21b5931bde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/htmltest
 * [new ref]         f20b012c8264c16354f28d8de5690b21b5931bde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f20b012 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild