$ git clone -n https://src.fedoraproject.org/rpms/xrestop.git /var/lib/mock/f40-build-2216805-52516/root/chroot_tmpdir/scmroot/xrestop
Cloning into '/var/lib/mock/f40-build-2216805-52516/root/chroot_tmpdir/scmroot/xrestop'...
$ git fetch origin 4f77e2345714ae50402191e7c2fc65118810a3be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xrestop
 * [new ref]         4f77e2345714ae50402191e7c2fc65118810a3be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f77e23 migrated to SPDX license