Add Guix step including bootstrap bin, build guix, build iso and fix some small bug

steps-guix/mescc-tools-static-stripped-0.5.2-i686-linux/pass1.sh

@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_get() { :; }
+src_unpack() { :; }
+src_prepare() { :; }
+src_configure() { :; }
+
+src_compile() {
+    local stage copied
+    stage="/tmp/mescc-tools-static-stripped-0.5.2-i686-linux"
+    copied=0
+
+    rm -rf "${stage}"
+    mkdir -p "${stage}/bin"
+
+    for f in M1 hex2 blood-elf kaem M2-Planet M2-Mesoplanet get_machine; do
+        if [ -x "/usr/bin/${f}" ]; then
+            seed_install_exec "/usr/bin/${f}" "${stage}/bin/${f}"
+            copied=1
+        fi
+    done
+
+    if [ "${copied}" -ne 1 ]; then
+        echo "No mescc-tools binaries were found under /usr/bin." >&2
+        false
+    fi
+
+    seed_make_repro_tar_xz "${stage}" "${DISTFILES}/mescc-tools-static-stripped-0.5.2-i686-linux.tar.xz"
+}
+
+src_install() {
+    install -D -m 0644 /dev/null "${DESTDIR}/usr/share/guix-seeds/mescc-tools-static-stripped-0.5.2-i686-linux"
+}