$ git clone -n https://src.fedoraproject.org/rpms/xwm.git /var/lib/mock/f40-build-788532-135185/root/chroot_tmpdir/scmroot/xwm
Cloning into '/var/lib/mock/f40-build-788532-135185/root/chroot_tmpdir/scmroot/xwm'...
$ git fetch origin 3f8c6fb5150980f315b8086c654e6c06f298c334:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xwm
 * [new ref]         3f8c6fb5150980f315b8086c654e6c06f298c334 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f8c6fb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild