$ git clone -n https://src.fedoraproject.org/rpms/healpix.git /var/lib/mock/f45-build-13391-450/root/chroot_tmpdir/scmroot/healpix
Cloning into '/var/lib/mock/f45-build-13391-450/root/chroot_tmpdir/scmroot/healpix'...
$ git fetch origin 24c71a4225f2ec787b1b1c466505f1387af2f838:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/healpix
 * [new ref]         24c71a4225f2ec787b1b1c466505f1387af2f838 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24c71a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild