14e5ea9e1e
Scaffold the Arcline OS build system ("the wires"): a transparent,
auditable pipeline that turns a Debian bookworm base into hardened OS
images for the server, workstation, and cloud editions.
- Makefile orchestrates everything (make iso-<edition>, check, test,
toolchain, clean); versions.mk is the single source of truth for
versions and paths.
- scripts/ is the plain-bash pipeline: debootstrap -> install packages
-> apply overlays -> in-chroot configure -> live ISO, plus a rootfs
archive along the way.
- ARCLINE_TOOLCHAIN=auto|skip|require controls whether the 11 Go tools
are bundled into an image (auto by default; minimal builds available
via make iso-<edition>-minimal).
- GPL-3.0 licensed, sponsored by Arcline IT LLC.
82 lines
4.1 KiB
Bash
Executable File
82 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# ─────────────────────────────────────────────────────────────────────────────
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# Arcline OS — live ISO builder
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#
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# scripts/build-iso.sh <edition>
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#
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# Wraps a rootfs into a hybrid (BIOS+UEFI) live ISO:
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# 1. ensure the rootfs exists (build it with live-boot support if needed)
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# 2. stage kernel + initramfs + squashfs in isofiles/live
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# 3. write the grub boot config (live-boot: boot=live)
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# 4. grub-mkrescue → build/artifacts/arcline-<edition>-<version>-<arch>.iso
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#
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# Requires root for the rootfs stage; the ISO assembly itself runs unprivileged.
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# ─────────────────────────────────────────────────────────────────────────────
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set -euo pipefail
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source "$(dirname "${BASH_SOURCE[0]}")/common.sh"
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EDITION="${1:?usage: build-iso.sh <edition>}"
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validate_edition "$EDITION"
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ROOTFS="$ROOTFS_DIR/$EDITION"
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ISOFILES="$IMAGE_DIR/$EDITION/isofiles"
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ARTIFACT="$ARTIFACT_DIR/arcline-$EDITION-$VERSION-$ARCH.iso"
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# ── 1. rootfs ───────────────────────────────────────────────────────────────
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if [[ ! -d "$ROOTFS" ]]; then
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log "rootfs missing — building with live-boot support"
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ARCLINE_LIVE=1 "$ROOT/scripts/build-rootfs.sh" "$EDITION"
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fi
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# live-boot must be present in the rootfs for the ISO to boot
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if [[ ! -d "$ROOTFS/lib/live" && ! -d "$ROOTFS/usr/lib/live" ]]; then
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warn "rootfs has no live-boot support; rebuilding with ARCLINE_LIVE=1"
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ARCLINE_LIVE=1 "$ROOT/scripts/build-rootfs.sh" "$EDITION"
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fi
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# ── 2. stage files ──────────────────────────────────────────────────────────
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log "staging ISO files for edition '$EDITION'"
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rm -rf "$ISOFILES"
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mkdir -p "$ISOFILES/live" "$ISOFILES/boot/grub"
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KERNEL="$(find "$ROOTFS/boot" -maxdepth 1 -name 'vmlinuz-*' | sort -V | tail -1)"
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INITRD="$(find "$ROOTFS/boot" -maxdepth 1 -name 'initrd.img-*' | sort -V | tail -1)"
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[[ -n "$KERNEL" && -n "$INITRD" ]] || die "kernel or initramfs not found in rootfs"
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cp -L "$KERNEL" "$ISOFILES/live/vmlinuz"
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cp -L "$INITRD" "$ISOFILES/live/initrd.img"
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log "compressing rootfs → squashfs (this takes a while)"
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# The squashfs is the live root. Keep it complete — offline man pages and
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# docs are a product promise (see the landing page), so nothing is excluded.
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mksquashfs "$ROOTFS" "$ISOFILES/live/arcline.squashfs" -noappend -comp zstd -Xcompression-level 15 2>/dev/null || \
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mksquashfs "$ROOTFS" "$ISOFILES/live/arcline.squashfs" -noappend -comp xz
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# ── 3. grub boot config ─────────────────────────────────────────────────────
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log "writing grub config"
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KCMD="$(tr '\n' ' ' < "$(edition_dir "$EDITION")/kernel.cmdline" | sed 's/ */ /g')"
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cat > "$ISOFILES/boot/grub/grub.cfg" <<EOF
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set timeout=5
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set default=0
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menuentry "Arcline $EDITION ($VERSION)" {
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linux /live/vmlinuz boot=live config quiet $KCMD
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initrd /live/initrd.img
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}
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menuentry "Arcline $EDITION ($VERSION) — safe mode (no mitigations)" {
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linux /live/vmlinuz boot=live config quiet nomodeset
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initrd /live/initrd.img
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}
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EOF
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# ── 4. assemble ─────────────────────────────────────────────────────────────
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log "assembling ISO with grub-mkrescue"
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command -v grub-mkrescue >/dev/null || die "grub-mkrescue not found (run scripts/check-host-deps.sh --install)"
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mkdir -p "$ARTIFACT_DIR"
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grub-mkrescue -o "$ARTIFACT" "$ISOFILES" -- \
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-volume-label "ARCLINE_${EDITION^^}" 2>/dev/null || \
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grub-mkrescue -o "$ARTIFACT" "$ISOFILES"
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log "ISO artifact: $ARTIFACT"
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sha256sum "$ARTIFACT" | tee "$ARTIFACT.sha256"
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