Add AdaptiveOS builder script (16GB RAM disk edition)

basher.sh

@@ -0,0 +1,109 @@
+#!/bin/bash
+# ==========================================
+# AdaptiveOS Builder v6 (16GB RAM Disk Edition)
+# ==========================================
+
+# 1. Setup 16GB RAM Disk (tmpfs) on the HOST for the build process
+RAMDISK="/tmp/adaptive-build"
+echo "[0/8] Creating 16GB RAM disk at $RAMDISK..."
+sudo mkdir -p "$RAMDISK"
+sudo umount "$RAMDISK" 2>/dev/null
+# Mount 16GB of RAM as a filesystem
+sudo mount -t tmpfs -o size=16G tmpfs "$RAMDISK"
+cd "$RAMDISK"
+
+set -e
+ALPINE_VERSION="3.19.1"
+ISO_NAME="alpine-virt-${ALPINE_VERSION}-x86_64.iso"
+ISO_URL="https://dl-cdn.alpinelinux.org/alpine/v3.19/releases/x86_64/${ISO_NAME}"
+
+echo "[1/8] Downloading Alpine..."
+wget -nc "$ISO_URL"
+
+echo "[2/8] Extracting ISO..."
+mkdir -p alpine-custom alpine-initrd
+sudo mount -o loop "${ISO_NAME}" /mnt
+cp -a /mnt/. alpine-custom/
+sudo umount /mnt
+
+echo "[3/8] Unpacking initramfs..."
+cd alpine-initrd
+zcat ../alpine-custom/boot/initramfs-virt | sudo cpio -idm > /dev/null 2>&1
+
+echo "[4/8] Injecting Learning Loop & 16GB RAM Workspace..."
+sudo mkdir -p etc/profile.d
+sudo tee etc/profile.d/adaptive-loop.sh > /dev/null << 'EOF'
+#!/bin/sh
+# 1. Create a 16GB RAM workspace inside the booted OS
+mkdir -p /mnt/ramdisk
+mount -t tmpfs -o size=16G tmpfs /mnt/ramdisk 2>/dev/null
+
+f() {
+    # 2. Store learned fixes in the RAM disk for maximum speed
+    touch /mnt/ramdisk/.f
+    FIX=$(awk -v k="$*" 'substr($0, 1, length(k)+1) == k"=" {print substr($0, length(k)+2); exit}' /mnt/ramdisk/.f)
+    
+    until { eval "$FIX" 2>/dev/null; "$@"; }; do
+        printf "\n[ADAPTIVE LOOP] Command failed. Enter fix: "
+        read n
+        if [ -n "$n" ]; then
+            echo "$*=$n" >> /mnt/ramdisk/.f
+            FIX="$n"
+            eval "$FIX"
+        else
+            return 1
+        fi
+    done
+}
+echo "========================================="
+echo "  Welcome to the Adaptive Governance OS  "
+echo "  16GB RAM Disk Mounted: /mnt/ramdisk    "
+echo "  Persistent Learning Loop Initialized.  "
+echo "  Usage: f <command>                     "
+echo "========================================="
+EOF
+sudo chmod +x etc/profile.d/adaptive-loop.sh
+
+echo "[5/8] Repacking initramfs..."
+sudo find . | sudo cpio -o -H newc > ../alpine-custom/boot/initramfs-virt.tmp 2>/dev/null
+gzip -9 < ../alpine-custom/boot/initramfs-virt.tmp > ../alpine-custom/boot/initramfs-virt
+rm ../alpine-custom/boot/initramfs-virt.tmp
+cd ..
+
+echo "[6/8] Ensuring Bootloader Paths Exist..."
+# Dynamically find the bootloader so xorriso doesn't fail on hardcoded paths
+ISOLINUX_BIN=$(find alpine-custom/boot -name "isolinux.bin" | head -n 1)
+ISOLINUX_BIN_REL=${ISOLINUX_BIN#alpine-custom/}
+BOOT_DIR_REL=$(dirname "$ISOLINUX_BIN_REL")
+
+mkdir -p alpine-custom/boot/syslinux
+if [ "$BOOT_DIR_REL" != "boot/syslinux" ]; then
+    # Create a symlink so xorriso's hardcoded -c boot/syslinux/boot.cat works
+    ln -sfn $(basename "$BOOT_DIR_REL") alpine-custom/boot/syslinux
+fi
+
+echo "[7/8] Compiling Bootable ISO..."
+wget -q "https://repo.or.cz/syslinux.git/blob_plain/HEAD:/mbr/isohdpfx.bin" -O isohdpfx.bin || true
+
+XORRISO_CMD=(xorriso -as mkisofs -o adaptive-os.iso -V "AdaptiveOS" -c boot/syslinux/boot.cat -b "$ISOLINUX_BIN_REL" -no-emul-boot -boot-load-size 4 -boot-info-table)
+
+if [ -f "isohdpfx.bin" ]; then
+    XORRISO_CMD+=(-isohybrid-mbr "isohdpfx.bin")
+fi
+XORRISO_CMD+=(alpine-custom)
+"${XORRISO_CMD[@]}"
+
+echo "[8/8] Moving ISO to Host and Cleaning Up..."
+cp adaptive-os.iso ~/
+cd ~
+sudo umount "$RAMDISK"
+sudo rmdir "$RAMDISK"
+
+echo ""
+echo "========================================="
+echo " SUCCESS: Bootable ISO created in RAM!"
+echo " File: ~/adaptive-os.iso"
+echo "========================================="
+echo ""
+echo "To boot the VM and allocate 16GB of RAM to the OS, run:"
+echo "qemu-system-x86_64 -cdrom ~/adaptive-os.iso -m 16G"