$ git clone -n https://src.fedoraproject.org/rpms/thunar-archive-plugin.git /var/lib/mock/f42-build-side-1-3555729-46656/root/chroot_tmpdir/scmroot/thunar-archive-plugin
Cloning into '/var/lib/mock/f42-build-side-1-3555729-46656/root/chroot_tmpdir/scmroot/thunar-archive-plugin'...
$ git fetch origin 50a543e17c43ef0f4bea770da19189ea641be7b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/thunar-archive-plugin
 * [new ref]         50a543e17c43ef0f4bea770da19189ea641be7b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50a543e Update to v0.6.0; switch to meson