$ git clone -n https://src.fedoraproject.org/rpms/qview.git /var/lib/mock/f39-build-1557498-37286/root/chroot_tmpdir/scmroot/qview
Cloning into '/var/lib/mock/f39-build-1557498-37286/root/chroot_tmpdir/scmroot/qview'...
$ git fetch origin 4e9346dd194ab5f08a95a7a64d330d149475e2b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qview
 * [new ref]         4e9346dd194ab5f08a95a7a64d330d149475e2b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e9346d Add cmake(Qt5X11Extras)