$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-freon.git /var/lib/mock/f45-build-11524-432/root/chroot_tmpdir/scmroot/gnome-shell-extension-freon
Cloning into '/var/lib/mock/f45-build-11524-432/root/chroot_tmpdir/scmroot/gnome-shell-extension-freon'...
$ git fetch origin 8239f746565c5f35bfdf2c9c58cfa82ed0c79f69:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-freon
 * [new ref]         8239f746565c5f35bfdf2c9c58cfa82ed0c79f69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8239f74 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild