$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtwebview.git /var/lib/mock/f39-build-1859410-42460/root/chroot_tmpdir/scmroot/qt5-qtwebview
Cloning into '/var/lib/mock/f39-build-1859410-42460/root/chroot_tmpdir/scmroot/qt5-qtwebview'...
$ git fetch origin e3975b259d202703ec0beea6c44fc4f62b783552:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtwebview
 * [new ref]         e3975b259d202703ec0beea6c44fc4f62b783552 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3975b2 5.15.11