$ git clone -n https://src.fedoraproject.org/rpms/InsightToolkit.git /var/lib/mock/f42-build-864660-172514/root/chroot_tmpdir/scmroot/InsightToolkit
Cloning into '/var/lib/mock/f42-build-864660-172514/root/chroot_tmpdir/scmroot/InsightToolkit'...
$ git fetch origin 3925a6814be4b6a5f6903fd9469b806c189e8d07:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/InsightToolkit
 * [new ref]         3925a6814be4b6a5f6903fd9469b806c189e8d07 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3925a68 Rebuild for hdf5 1.14.5