185 lines
5.7 KiB
Markdown
185 lines
5.7 KiB
Markdown
---
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title: Building
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layout: default
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nav_order: 2
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---
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# Building the ISO
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The ISO is built with `buildiso` (from Artix `artools` package) plus a customized profile. There are two supported paths: **Option A (container)** for systems without pacman, and **Option B (native)** for pacman-based systems.
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## Option A: Build in a container (non-pacman distros — recommended)
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No Artix/Arch needed. Works on Gentoo, Fedora, Debian — anything **without pacman** that has podman. This is the same path GitHub Actions CI uses.
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```bash
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# Build the image (installs artools + deps inside an Artix container)
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podman build -t euri-build .
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# Build the ISO (rootful podman required — artools chroots mount devtmpfs,
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# which rootless containers cannot do)
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sudo podman run --rm --privileged \
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-v /var/lib/artools-buildiso:/var/lib/artools/buildiso \
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-v "$(pwd)/iso-output:/workspace/iso-output" \
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-e WORKSPACE_DIR=/workspace \
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euri-build
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```
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Or use the helper script:
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```bash
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./build-iso-podman.sh
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```
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The finished `.iso` lands in `iso-output/`.
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## Option B: Native build (just pacman + artools)
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You do **not** need an Artix-based system — `buildiso` is plain bash on top of `pacman`. You need:
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- `pacman` (native on Arch/Artix/**KaOS**; on other distros, install it or extract the `.pkg.tar.zst` files)
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- the artools libraries from the Artix repo: `artools-base` (provides `basestrap`, `artix-chroot`, `fstabgen`) and `artools-iso` (provides `buildiso`) plus their deps
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- `squashfs-tools`, `grub`, `xorriso`/`libisoburn`, `dosfstools`, `mtools`
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## Prerequisites (native path)
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```bash
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# On Arch/Artix:
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pacman -S artools squashfs-tools
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modprobe loop
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# On KaOS (pacman native, but artools not in KaOS repos — extract from Artix):
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pacman -S squashfs-tools
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# On other distros: grab artools-base/artools-iso from the Artix repo and
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# extract them over /, then install pacman and the deps listed above.
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```
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`squashfs-tools` is needed for `mksquashfs`. The `loop` module must be loaded for `mount -o loop` during image assembly.
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## Clone and configure
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```bash
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git clone https://github.com/Antergos-NeXT/antergos-iso.git
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cd antergos-iso
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export WORKSPACE_DIR="$PWD"
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# Override pacman config with our repo (euri-pkgs)
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mkdir -p ~/.config/artools/pacman.conf.d
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cp pacman.conf.d/iso-x86_64.conf ~/.config/artools/pacman.conf.d/
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```
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Without this override, `buildiso` uses `/usr/share/artools/pacman.conf.d/iso-x86_64.conf` (from the artools package), which lacks the `[euri-pkgs]` repository. The build will then try to fetch our custom packages (branding, Calamares config, wallpapers) from Artix repos and fail.
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## Build
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```bash
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sudo -E ./buildiso -p euri
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```
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- **Use `./buildiso`**, not `buildiso`. The system `/usr/bin/buildiso` lacks `--overwrite='*'`, which causes file conflicts between `calamares` and `calamares-branding-euri` (both claim `/usr/share/calamares/branding/default/`). Our repo's `./buildiso` has it.
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- **`sudo -E`** is required. Without `-E`, `WORKSPACE_DIR` is stripped and `load_profile()` returns empty `HAS_LIVE`/`LIVEUSER`, causing the build to fail early.
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## Output
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The ISO appears in `/var/lib/artools/buildiso/iso/euri/`:
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```
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/var/lib/artools/buildiso/iso/euri/
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├── euri-<date>.iso # Bootable ISO
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└── euri-<date>.sha1sum # Checksum
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```
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First build pulls ~5 GB from the internet (package downloads). Subsequent builds use pacman cache.
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## Environment variables
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| Variable | Purpose |
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|----------|---------|
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| `WORKSPACE_DIR` | Must point to repo root. `buildiso` looks for profiles under `$WORKSPACE_DIR/iso-profiles/` |
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| `COMPRESSION` | Squashfs compression type (e.g. `zstd`, `gzip`, `xz`). If unset, `mksquashfs` produces a zero-size sparse file instead of a valid squashfs |
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## Troubleshooting
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### "File conflict" errors during build
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This means `--overwrite='*'` is not being passed to `basestrap`. Make sure you're using the repo's `./buildiso`, not the system one:
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```bash
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# Wrong — system buildiso without --overwrite:
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buildiso -p euri
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# Correct:
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./buildiso -p euri
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```
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### Build fails with "HAS_LIVE is empty"
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Forgetting `sudo -E`:
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```bash
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# Wrong — WORKSPACE_DIR not preserved:
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sudo ./buildiso -p euri
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# Correct:
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sudo -E ./buildiso -p euri
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```
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### buildiso can't find our custom repo
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The pacman config override is missing:
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```bash
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mkdir -p ~/.config/artools/pacman.conf.d
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cp pacman.conf.d/iso-x86_64.conf ~/.config/artools/pacman.conf.d/
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```
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### Zero-size squashfs (ISO exists but is tiny)
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`$COMPRESSION` is unset. Either set it in `profile.yaml` or pass it via environment:
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```bash
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export COMPRESSION=zstd
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sudo -E ./buildiso -p euri
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```
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Remove the stale image before retrying:
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```bash
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rm -rf /var/lib/artools/buildiso/iso/euri/
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```
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### Corrupted pacman cache
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If `basestrap` fails with checksum errors, clear the cache:
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```bash
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rm -rf /var/lib/artools/buildiso/pkg/euri/cache/
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```
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Then rebuild.
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## Which option do I use?
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> - **Arch / Artix / KaOS / any pacman-based distro** → Option B (native).
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> - **Anything else** (Gentoo, Fedora, Debian, ...) → Option A (podman).
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## CI builds
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The CI pipeline (`.github/workflows/build.yml`) handles all of the above automatically. It runs in an Artix container, sets `WORKSPACE_DIR`, overrides pacman config, mounts a 12 GB tmpfs, and builds the ISO. It also runs the AI community moderator on issues/PRs (`.github/workflows/ai-moderator.yml`).
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An Internet Archive upload step exists in the workflow but is **currently disabled** (`if: false`) — builds are manually verified first. When enabled it uploads with identifier `euri-YYYYMMDD-<run_number>`.
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Trigger CI manually from the GitHub Actions tab (push trigger is disabled).
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## Local pacman repo
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To use the custom packages repo on an installed system:
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```ini
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[euri-pkgs]
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SigLevel = Optional TrustAll
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Server = https://antergos-next.github.io/antergos-packages
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```
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