$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtquickcontrols2.git /var/lib/mock/f39-build-1701932-41212/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols2
Cloning into '/var/lib/mock/f39-build-1701932-41212/root/chroot_tmpdir/scmroot/qt5-qtquickcontrols2'...
$ git fetch origin 5736a803afbd890434b77a052c1d0fd69c092032:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtquickcontrols2
 * [new ref]         5736a803afbd890434b77a052c1d0fd69c092032 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5736a80 5.15.11