$ git clone -n https://src.fedoraproject.org/rpms/python-astropy-iers-data.git /var/lib/mock/f42-build-side-1-3508073-46013/root/chroot_tmpdir/scmroot/python-astropy-iers-data
Cloning into '/var/lib/mock/f42-build-side-1-3508073-46013/root/chroot_tmpdir/scmroot/python-astropy-iers-data'...
$ git fetch origin 15a2e3101f648dd61db79375ce03c57145d7d978:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-astropy-iers-data
 * [new ref]         15a2e3101f648dd61db79375ce03c57145d7d978 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15a2e31 Update to 0.2025.4.21.0.37.6 upstream release