$ git clone -n https://src.fedoraproject.org/rpms/astrometry-tycho2.git /var/lib/mock/f38-build-side-42-init-devel-699872-27059/root/chroot_tmpdir/scmroot/astrometry-tycho2
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-699872-27059/root/chroot_tmpdir/scmroot/astrometry-tycho2'...
$ git fetch origin 04c4c3c78119d85d0ca67347868bd6070e3eceb4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/astrometry-tycho2
 * [new ref]         04c4c3c78119d85d0ca67347868bd6070e3eceb4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04c4c3c Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild