$ git clone -n https://src.fedoraproject.org/rpms/fwupd-efi.git /var/lib/mock/f39-build-2393612-60529/root/chroot_tmpdir/scmroot/fwupd-efi
Cloning into '/var/lib/mock/f39-build-2393612-60529/root/chroot_tmpdir/scmroot/fwupd-efi'...
$ git fetch origin b64ec9739895a97419257039b7519252af5784c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fwupd-efi
 * [new ref]         b64ec9739895a97419257039b7519252af5784c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b64ec97 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild