$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtscxml.git /var/lib/mock/f39-build-1706808-41221/root/chroot_tmpdir/scmroot/qt5-qtscxml
Cloning into '/var/lib/mock/f39-build-1706808-41221/root/chroot_tmpdir/scmroot/qt5-qtscxml'...
$ git fetch origin c83022df3fdf08d2fe9477876ad204525041147a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtscxml
 * [new ref]         c83022df3fdf08d2fe9477876ad204525041147a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c83022d 5.15.11