$ git clone -n https://src.fedoraproject.org/rpms/qbs.git /var/lib/mock/f41-build-side-1-2662517-28809/root/chroot_tmpdir/scmroot/qbs
Cloning into '/var/lib/mock/f41-build-side-1-2662517-28809/root/chroot_tmpdir/scmroot/qbs'...
$ git fetch origin 2c2a26e0825696541408b7e914b0d0acec2b7e67:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qbs
 * [new ref]         2c2a26e0825696541408b7e914b0d0acec2b7e67 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c2a26e convert license to SPDX