$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtnetworkauth.git /var/lib/mock/f39-build-2245052-53743/root/chroot_tmpdir/scmroot/qt5-qtnetworkauth
Cloning into '/var/lib/mock/f39-build-2245052-53743/root/chroot_tmpdir/scmroot/qt5-qtnetworkauth'...
$ git fetch origin 80a7c15d5e904aa79130d8f700f59883d6a9e535:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtnetworkauth
 * [new ref]         80a7c15d5e904aa79130d8f700f59883d6a9e535 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80a7c15 5.15.12