$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtx11extras.git /var/lib/mock/f37-build-645477-72358/root/chroot_tmpdir/scmroot/qt5-qtx11extras
Cloning into '/var/lib/mock/f37-build-645477-72358/root/chroot_tmpdir/scmroot/qt5-qtx11extras'...
$ git reset --hard 66c3212c20aca4240ddff64a726bcac51716dc41
HEAD is now at 66c3212 5.15.6