add Bazzite Flutter dev setup script
One-shot installer that drops the Flutter SDK under ~/opt/flutter, wires PATH in ~/.bashrc and ~/.zshrc, and layers the desktop build deps (GTK, ninja, clang, etc.) via rpm-ostree install. Reboot required before `flutter doctor` will report green. Co-Authored-By: Claude <noreply@anthropic.com>
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Claude
Executable
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#!/usr/bin/env bash
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# Bazzite / Fedora Silverblue Flutter setup.
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#
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# Does two things:
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# 1. Installs the Flutter SDK tarball into $HOME/opt/flutter and wires
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# $HOME/opt/flutter/bin onto PATH via ~/.bashrc / ~/.zshrc.
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# 2. Layers Flutter's Linux desktop build deps onto the immutable base
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# via `rpm-ostree install`. This change only takes effect on the
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# next reboot.
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#
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# After this script: reboot (if rpm-ostree staged a new deployment),
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# then `flutter doctor` to verify. See the final message for specifics.
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#
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# Env overrides:
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# FLUTTER_PREFIX install path (default: $HOME/opt/flutter)
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# FLUTTER_VERSION pin a specific stable version (default: auto-detect latest)
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set -euo pipefail
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FLUTTER_PREFIX="${FLUTTER_PREFIX:-$HOME/opt/flutter}"
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FLUTTER_VERSION="${FLUTTER_VERSION:-}"
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RELEASES_URL="https://storage.googleapis.com/flutter_infra_release/releases/releases_linux.json"
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info() { printf '\033[1;34m==>\033[0m %s\n' "$*"; }
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ok() { printf '\033[1;32m==>\033[0m %s\n' "$*"; }
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warn() { printf '\033[1;33m==>\033[0m %s\n' "$*" >&2; }
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die() { printf '\033[1;31m==>\033[0m %s\n' "$*" >&2; exit 1; }
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# --- sanity ------------------------------------------------------------------
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if [ "$(id -u)" -eq 0 ]; then
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die "don't run this as root; it will sudo only where needed."
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fi
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if ! command -v rpm-ostree >/dev/null 2>&1; then
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warn "rpm-ostree not found — this script targets Bazzite/Silverblue/Kinoite."
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warn "on a mutable Fedora you'd use dnf; on another distro, translate the package list."
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die "aborting; adapt the script if that's really what you want."
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fi
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for tool in curl tar python3; do
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command -v "$tool" >/dev/null 2>&1 || die "required tool missing: $tool"
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done
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# --- resolve Flutter version -------------------------------------------------
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if [ -z "$FLUTTER_VERSION" ]; then
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info "querying Flutter's releases feed for current stable…"
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FLUTTER_VERSION="$(
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curl -fsSL "$RELEASES_URL" | python3 -c '
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import sys, json
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j = json.load(sys.stdin)
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h = j["current_release"]["stable"]
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rel = next(r for r in j["releases"] if r["hash"] == h)
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print(rel["version"])
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'
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)" || die "couldn'\''t discover current stable Flutter version; set FLUTTER_VERSION=x.y.z and re-run."
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fi
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ok "target: Flutter $FLUTTER_VERSION (stable)"
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# --- install Flutter to $FLUTTER_PREFIX --------------------------------------
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if [ -d "$FLUTTER_PREFIX" ]; then
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warn "$FLUTTER_PREFIX already exists; skipping download."
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warn "delete it first if you want a clean reinstall."
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else
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mkdir -p "$(dirname "$FLUTTER_PREFIX")"
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tarball="$(mktemp -t flutter-XXXXXX.tar.xz)"
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trap 'rm -f "$tarball"' EXIT
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url="https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_${FLUTTER_VERSION}-stable.tar.xz"
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info "downloading: $url"
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curl -fSL --progress-bar -o "$tarball" "$url"
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info "extracting to $(dirname "$FLUTTER_PREFIX")"
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tar -xf "$tarball" -C "$(dirname "$FLUTTER_PREFIX")"
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ok "Flutter installed at $FLUTTER_PREFIX"
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fi
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# --- PATH wiring -------------------------------------------------------------
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wire_path() {
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local rc="$1"
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[ -f "$rc" ] || return 0
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if grep -q 'opt/flutter/bin' "$rc" 2>/dev/null; then
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warn "$rc already references opt/flutter/bin; leaving it alone."
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return 0
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fi
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{
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printf '\n'
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printf '# Flutter (added by bazzite-flutter-setup-pre-reboot.sh on %s)\n' "$(date -u +%Y-%m-%d)"
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printf 'export PATH="%s/bin:$PATH"\n' "$FLUTTER_PREFIX"
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} >> "$rc"
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ok "appended PATH export to $rc"
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}
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wire_path "$HOME/.bashrc"
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wire_path "$HOME/.zshrc"
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# Make it visible for the rest of this script.
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export PATH="$FLUTTER_PREFIX/bin:$PATH"
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# --- pre-cache Linux desktop artifacts --------------------------------------
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# Downloading the engine + tools cache now means the first `flutter build`
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# after reboot doesn't blow up with a network fetch. Mobile / web / Windows
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# / macOS caches are skipped — not targets here.
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info "pre-caching Linux desktop artifacts (skipping mobile/web/windows/macos)…"
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"$FLUTTER_PREFIX/bin/flutter" precache --linux --no-ios --no-android --no-web --no-windows --no-macos || \
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warn "precache failed or partial; post-reboot script will surface anything still missing."
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# --- layer native build deps via rpm-ostree ---------------------------------
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BUILD_DEPS=(
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clang
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cmake
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ninja-build
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pkg-config
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gtk3-devel
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xz-devel
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)
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info "layering build deps onto the base image via rpm-ostree:"
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printf ' %s\n' "${BUILD_DEPS[@]}"
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warn "this requires sudo and only takes effect after the next reboot."
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if ! sudo rpm-ostree install --idempotent "${BUILD_DEPS[@]}"; then
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die "rpm-ostree install failed; fix the error above and re-run."
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fi
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# --- wrap up -----------------------------------------------------------------
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ok "setup complete."
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cat <<'EOF'
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Next steps:
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1. Check whether a reboot is required:
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rpm-ostree status
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If a new deployment is staged, reboot to activate it:
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systemctl reboot
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If no new deployment is staged, the build deps were already layered
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and you can skip straight to step 2.
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2. Open a new shell (or `source ~/.bashrc` / `source ~/.zshrc`) so PATH
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picks up Flutter, then verify:
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flutter config --enable-linux-desktop
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flutter doctor -v
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Fix anything marked [!] or [x] under "Flutter" or "Linux toolchain".
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3. Scaffold the Flutter app per ADR 0005 (Option B — mini-monorepo),
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from the repo root:
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flutter create app \
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--project-name clide_app \
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--org net.schweitz.clide \
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--platforms linux,macos \
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--empty
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EOF
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