$ git clone -n https://src.fedoraproject.org/rpms/R-ascii.git /var/lib/mock/f38-build-side-42-init-devel-855460-28426/root/chroot_tmpdir/scmroot/R-ascii
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-855460-28426/root/chroot_tmpdir/scmroot/R-ascii'...
$ git fetch origin 08928380035dfa082efc8a42cfec3e65c65f5c8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-ascii
 * [new ref]         08928380035dfa082efc8a42cfec3e65c65f5c8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0892838 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild