$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt5-qtwebchannel.git /var/lib/mock/f39-build-1855078-42397/root/chroot_tmpdir/scmroot/mingw-qt5-qtwebchannel
Cloning into '/var/lib/mock/f39-build-1855078-42397/root/chroot_tmpdir/scmroot/mingw-qt5-qtwebchannel'...
$ git fetch origin babfc34b278fe44c733a23b6d76cfc5e17bc28f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt5-qtwebchannel
 * [new ref]         babfc34b278fe44c733a23b6d76cfc5e17bc28f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at babfc34 Update to 5.15.11