$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtquickcontrols.git /var/lib/mock/f39-build-1820288-41839/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols
Cloning into '/var/lib/mock/f39-build-1820288-41839/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols'...
$ git fetch origin c7440fb1ac39e170811ed7a742312862269fad21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtquickcontrols
 * [new ref]         c7440fb1ac39e170811ed7a742312862269fad21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c7440fb 5.15.11