$ git clone -n https://src.fedoraproject.org/rpms/flint.git /var/lib/mock/f38-build-side-42-init-devel-604705-26239/root/chroot_tmpdir/scmroot/flint
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-604705-26239/root/chroot_tmpdir/scmroot/flint'...
$ git fetch origin 4a19758e139e68015e425d646cef06eeb9132b75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flint
 * [new ref]         4a19758e139e68015e425d646cef06eeb9132b75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a19758 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild