$ git clone -n https://src.fedoraproject.org/rpms/qimgv.git /var/lib/mock/f40-build-2182096-51174/root/chroot_tmpdir/scmroot/qimgv
Cloning into '/var/lib/mock/f40-build-2182096-51174/root/chroot_tmpdir/scmroot/qimgv'...
$ git fetch origin 1e3f2c6ffe2bcad5a055e88c94f8a438224699fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qimgv
 * [new ref]         1e3f2c6ffe2bcad5a055e88c94f8a438224699fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e3f2c6 Rebuild for opencv 4.8.0