$ git clone -n https://src.fedoraproject.org/rpms/x2goclient.git /var/lib/mock/f41-build-1193551-22212/root/chroot_tmpdir/scmroot/x2goclient
Cloning into '/var/lib/mock/f41-build-1193551-22212/root/chroot_tmpdir/scmroot/x2goclient'...
$ git fetch origin 895378c183efb8fd47d30c8bc326d1d3da951585:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/x2goclient
 * [new ref]         895378c183efb8fd47d30c8bc326d1d3da951585 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 895378c Remove MAKEOVERRIDES from Makefile (FTBFS bz#2261794)