$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtwebengine.git /var/lib/mock/f40-build-803921-144388/root/chroot_tmpdir/scmroot/qt5-qtwebengine
Cloning into '/var/lib/mock/f40-build-803921-144388/root/chroot_tmpdir/scmroot/qt5-qtwebengine'...
$ git reset --hard 494778a60915f7179b868a83b5e7562162c94035
HEAD is now at 494778a Rebuild (qt5)