$ git clone -n https://src.fedoraproject.org/rpms/phd2.git /var/lib/mock/f42-build-3338615-41426/root/chroot_tmpdir/scmroot/phd2
Cloning into '/var/lib/mock/f42-build-3338615-41426/root/chroot_tmpdir/scmroot/phd2'...
$ git fetch origin c5902a82b5249d9ec6318e42232d864bd14e521e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/phd2
 * [new ref]         c5902a82b5249d9ec6318e42232d864bd14e521e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5902a8 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild