$ git clone -n https://src.fedoraproject.org/rpms/gnustep-make.git /var/lib/mock/f41-build-1285104-23248/root/chroot_tmpdir/scmroot/gnustep-make
Cloning into '/var/lib/mock/f41-build-1285104-23248/root/chroot_tmpdir/scmroot/gnustep-make'...
$ git fetch origin 8aaec8ac08c8eb597bc61ae9a59737e8b41a916a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnustep-make
 * [new ref]         8aaec8ac08c8eb597bc61ae9a59737e8b41a916a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8aaec8a Fix rhbz#2283758