$ git clone -n https://src.fedoraproject.org/rpms/input-leap.git /var/lib/mock/f41-build-854709-166940/root/chroot_tmpdir/scmroot/input-leap
Cloning into '/var/lib/mock/f41-build-854709-166940/root/chroot_tmpdir/scmroot/input-leap'...
$ git fetch origin a502b756e92799eae7e266f5441005de9007f354:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/input-leap
 * [new ref]         a502b756e92799eae7e266f5441005de9007f354 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a502b75 Update to new snapshot