$ git clone -n https://src.fedoraproject.org/rpms/dyninst.git /var/lib/mock/f38-build-side-42-init-devel-1062067-29766/root/chroot_tmpdir/scmroot/dyninst
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1062067-29766/root/chroot_tmpdir/scmroot/dyninst'...
$ git fetch origin 7ff5c1b1b5cdfd096dbbdb3eb23fb63652039f37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dyninst
 * [new ref]         7ff5c1b1b5cdfd096dbbdb3eb23fb63652039f37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ff5c1b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild