$ git clone -n https://src.fedoraproject.org/rpms/xfce4-fsguard-plugin.git /var/lib/mock/f41-build-side-1-2810790-32921/root/chroot_tmpdir/scmroot/xfce4-fsguard-plugin
Cloning into '/var/lib/mock/f41-build-side-1-2810790-32921/root/chroot_tmpdir/scmroot/xfce4-fsguard-plugin'...
$ git fetch origin 99d18b7eb9ed8a022a301ac70bc9bba47788d5d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-fsguard-plugin
 * [new ref]         99d18b7eb9ed8a022a301ac70bc9bba47788d5d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99d18b7 convert license to SPDX