add initramfs_pack and initramfs_unpack to copied files to the live OS

Slax/slackware15/modules/01-core/rootcopy/usr/bin/initramfs_pack

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -e
+
+if [ "$1" = "-h" -o "$1" = "--help" -o "$1" = "" ]; then
+   echo ""
+   echo "Create initramfs image from a tmpfs-mounted directory tree"
+   echo "Usage: $0 [source_directory]"
+   echo ""
+   exit 2
+fi
+
+IMG="$(readlink -f "$1")"
+touch "$IMG.2" # ends if error
+
+(cd "$IMG"; find . -print | cpio -o -H newc 2>/dev/null) | xz -T0 -f --extreme --check=crc32 >"$IMG.2"
+umount "$IMG"
+rmdir "$IMG"
+mv "$IMG.2" "$IMG"

Slax/slackware15/modules/01-core/rootcopy/usr/bin/initramfs_unpack

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -e
+
+if [ "$1" = "-h" -o "$1" = "--help" -o "$1" = "" ]; then
+   echo ""
+   echo "Unpack initramfs image so it becomes a directory"
+   echo "Usage: $0 [source_initramfs_file.img]"
+   echo ""
+   exit 2
+fi
+
+IMG="$(readlink -f "$1")"
+
+mv "$IMG" "$IMG.2"
+mkdir -p "$IMG"
+mount -t tmpfs tmpfs "$IMG"
+
+(cd "$IMG"; xz -d | cpio -idv >/dev/null 2>&1) < "$IMG.2"
+rm "$IMG.2"