$ git clone -n https://src.fedoraproject.org/forks/salimma/rpms/gnome-shell-extension-freon.git /var/lib/mock/f43-build-59179612-6571552/root/chroot_tmpdir/scmroot/gnome-shell-extension-freon
Cloning into '/var/lib/mock/f43-build-59179612-6571552/root/chroot_tmpdir/scmroot/gnome-shell-extension-freon'...
$ git fetch origin 92edd86e3ed914d4f91d4c32768de78d7c447a90:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/salimma/rpms/gnome-shell-extension-freon
 * [new ref]         92edd86e3ed914d4f91d4c32768de78d7c447a90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92edd86 Use gnome-shell-rpm-generators on Fedora >= 42