$ git clone -n https://src.fedoraproject.org/rpms/krdc.git /var/lib/mock/f38-build-side-42-init-devel-645690-26405/root/chroot_tmpdir/scmroot/krdc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-645690-26405/root/chroot_tmpdir/scmroot/krdc'...
$ git fetch origin 86982af88b23db4767bc27537ebfda098815e0de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/krdc
 * [new ref]         86982af88b23db4767bc27537ebfda098815e0de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86982af Fix flatpak build