$ git clone -n https://src.fedoraproject.org/rpms/appstream-data.git /var/lib/mock/f42-build-3292918-41426/root/chroot_tmpdir/scmroot/appstream-data
Cloning into '/var/lib/mock/f42-build-3292918-41426/root/chroot_tmpdir/scmroot/appstream-data'...
$ git fetch origin d13a5358ff0e41fae004db97aaab627b62799fa5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/appstream-data
 * [new ref]         d13a5358ff0e41fae004db97aaab627b62799fa5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d13a535 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild