$ git clone -n https://src.fedoraproject.org/rpms/oxygen-icon-theme.git /var/lib/mock/f40-build-2014347-45968/root/chroot_tmpdir/scmroot/oxygen-icon-theme
Cloning into '/var/lib/mock/f40-build-2014347-45968/root/chroot_tmpdir/scmroot/oxygen-icon-theme'...
$ git fetch origin 6530e350c2f2aa2f69bce4fc7e2a96648c9b6fb5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/oxygen-icon-theme
 * [new ref]         6530e350c2f2aa2f69bce4fc7e2a96648c9b6fb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6530e35 5.245.0, independent release