forked from enderofwings/NexusOS
Jon WingenderandClaude Sonnet 5
409e384be0
Newer distros drop the python3-venv transitional package once it no longer resolves to a real pythonX.Y-venv candidate, which crashed sync.py's venv creation with a raw traceback. Prep now resolves the exact versioned package via apt-cache, and skips xfce4-genmon-plugin/plank/blueman on boxes with no xfconf-query so a non-XFCE box doesn't get noisy "unable to locate package" failures for a panel it'll never run. venv_python() also fails with an actionable message instead of an uncaught CalledProcessError. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
206 lines
9.6 KiB
Bash
206 lines
9.6 KiB
Bash
#!/bin/bash
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# The Linux-only half of a restore: system packages, the bundled Ollama binary,
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# and the XFCE desktop wiring (panel, wallpaper, theme, terminal, branding).
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# None of it means anything on Windows, which is why it lives here instead of in
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# bin/sync.py — sync.py owns the portable half and calls this in three stages:
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#
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# restore-linux.sh prep Before the rebuild: system packages the build needs.
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# restore-linux.sh runtime After: Ollama binary + shell wiring. Any Linux box
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# needs these to actually run NexusOS.
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# restore-linux.sh desktop After: the XFCE look (panel, wallpaper, theme,
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# branding). Cosmetic, this box's setup, and the only
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# stage that rewrites files outside the repo and $HOME.
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# Skippable with `--no-desktop`; auto-skipped off XFCE.
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#
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# Not meant to be run by hand — use `ncp restore` (python bin/sync.py restore).
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# Set by bin/sync.py to the repo it was invoked from, so a clone in a scratch dir
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# operates on itself instead of reaching into the real ~/nexus-core.
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NEXUS_ROOT="${NEXUS_ROOT:-$HOME/nexus-core}"
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stage="${1:?usage: restore-linux.sh prep|runtime|desktop}"
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# sync.py calls these by name with check=False, so a stage renamed on one side
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# and not the other would silently do nothing. Fail loudly instead; a test keeps
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# this list and sync.py's call sites in agreement.
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case "$stage" in
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prep|runtime|desktop) ;;
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*) echo "unknown stage: $stage (expected prep|runtime|desktop)" >&2; exit 2 ;;
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esac
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cd "$NEXUS_ROOT" || { echo "No $NEXUS_ROOT"; exit 1; }
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if [ "$stage" = "prep" ]; then
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# Fresh machine: the system packages the desktop + build steps need. No-op once
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# installed, so it's cheap on an in-place restore. Skipped without apt (non-Debian).
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if command -v apt-get >/dev/null; then
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echo "Installing system packages..."
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# python3-venv is a transitional package pointing at the real
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# pythonX.Y-venv for whatever Python ships by default; on a distro ahead
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# of that transition it resolves to nothing ("has no installation
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# candidate") even though a real, version-suffixed package exists.
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# apt-cache show only succeeds for a package with an actual archive
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# entry, so it tells the two cases apart without guessing.
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venv_pkg="python3-venv"
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if command -v python3 >/dev/null && ! apt-cache show python3-venv >/dev/null 2>&1; then
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venv_pkg="python3-$(python3 -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")')-venv"
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fi
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pkgs="git sqlite3 curl $venv_pkg python3-gi gir1.2-gtk-3.0"
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# XFCE-only cosmetics: only worth attempting where there's an XFCE
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# session to plug into. Same signal the desktop stage below already
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# gates on, so a headless/WSL box (no xfconf-query) isn't left with
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# noisy "unable to locate package" failures for a panel it'll never run.
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if command -v xfconf-query >/dev/null; then
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pkgs="$pkgs xfce4-genmon-plugin plank blueman"
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fi
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# shellcheck disable=SC2086 # $pkgs is a deliberate word-split list
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sudo apt-get install -y --no-install-recommends $pkgs \
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|| echo "Warning: some system packages failed — install them manually."
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# Node.js 20+: Vite needs 20.19+, but Debian/Ubuntu apt ship an EOL Node 18
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# (its 'nodejs' package) which crashes Vite with 'CustomEvent is not defined'.
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# Install from NodeSource only when the current node is missing or too old.
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node_major=$(node -v 2>/dev/null | sed -E 's/^v([0-9]+).*/\1/')
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if [ -z "$node_major" ] || [ "$node_major" -lt 20 ]; then
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echo "Installing Node.js 20 (found: ${node_major:-none})..."
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curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash - \
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&& sudo apt-get install -y nodejs \
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|| echo "Warning: Node 20 install failed — install Node 20+ manually (Vite needs it)."
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fi
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fi
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exit 0
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fi
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if [ "$stage" = "runtime" ]; then
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echo ""
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echo "Ensuring Ollama binary..."
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# ollama/ is gitignored, so a fresh clone has no binary — fetch it. No-op if the
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# machine already has one (e.g. an in-place restore).
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if [ -x "$NEXUS_ROOT/bin/fetch-ollama.sh" ]; then
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"$NEXUS_ROOT/bin/fetch-ollama.sh" "$NEXUS_ROOT" || echo "Warning: Ollama fetch failed — install it manually."
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else
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echo "Warning: bin/fetch-ollama.sh not found — skipping Ollama fetch."
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fi
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# `ncp` on PATH, not a shell function: /usr/local/bin is visible to sh, cron,
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# systemd units and .desktop Exec lines, none of which read ~/.bashrc. The
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# Windows installer does the matching thing with management\ncp.cmd on PATH.
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# Falls back to the old ~/.bashrc function when there's no sudo (a shell
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# function shadows the symlink anyway, so having both is harmless).
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ncp_link="/usr/local/bin/ncp"
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ncp_target="$NEXUS_ROOT/management/nexus-cli.sh"
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if [ "$(readlink -f "$ncp_link" 2>/dev/null)" = "$ncp_target" ]; then
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echo "ncp already on PATH at $ncp_link."
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elif sudo ln -sfn "$ncp_target" "$ncp_link"; then
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echo "Registered ncp at $ncp_link."
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elif ! grep -q "management/nexus-cli.sh" "$HOME/.bashrc" 2>/dev/null; then
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# Guarded by a grep so an in-place restore is a no-op and a scratch clone
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# can't re-point an already-wired ~/.bashrc at itself.
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cat >> "$HOME/.bashrc" <<EOF
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# Nexus
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ncp() {
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$NEXUS_ROOT/management/nexus-cli.sh "\$@"
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}
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EOF
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echo "No sudo for $ncp_link — registered ncp in ~/.bashrc instead."
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fi
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if ! grep -qF "alias promethean=" "$HOME/.bashrc" 2>/dev/null; then
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printf "\n# Promethean\nalias promethean='source %s/.promethean_bashrc'\n" \
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"$NEXUS_ROOT" >> "$HOME/.bashrc"
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echo "Registered promethean in ~/.bashrc."
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fi
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# The AMD box runs CPU-only (Vega 20, 4GB VRAM thrashes). An NVIDIA box should not.
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if command -v nvidia-smi >/dev/null && command -v sqlite3 >/dev/null && \
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[ "$(sqlite3 "$NEXUS_ROOT/synapse/memory/memory.db" \
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"select value from settings where key='memory_gpu_offload'" 2>/dev/null)" = "0" ]; then
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echo "Note: memory_gpu_offload=0 came from the AMD box (4GB VRAM). This machine has an"
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echo " NVIDIA GPU — raise it in Settings to actually use the card."
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fi
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exit 0
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fi
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# --- desktop stage: XFCE only, and it writes outside the repo -----------------
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# Everything below reconfigures the logged-in user's desktop. On any other DE it
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# would be actively wrong (copying XFCE channel XMLs onto a GNOME box does
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# nothing good), so bail rather than make a mess of someone else's machine.
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if ! command -v xfconf-query >/dev/null; then
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echo "Not an XFCE session (no xfconf-query) — skipping desktop wiring."
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exit 0
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fi
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# Panel layout, wallpaper, compositing, keybindings and terminal profile all live
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# in the xfconf channel XMLs — restore them by copying the files back. xfconfd
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# caches channels in memory and rewrites them on exit, so it has to die first or
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# it clobbers what we just copied; the next xfconf-query respawns it.
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xml_snap="$NEXUS_ROOT/assets/themes/restore-snapshot/xfconf-xml"
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xml_dst="$HOME/.config/xfce4/xfconf/xfce-perchannel-xml"
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if [ -d "$xml_snap" ]; then
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echo ""
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echo "Restoring XFCE desktop settings (panel, wallpaper, effects)..."
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mkdir -p "$xml_dst"
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pkill -x xfconfd 2>/dev/null && sleep 1
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cp -f "$xml_snap"/*.xml "$xml_dst/" 2>/dev/null
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# Wallpaper props are keyed by monitor name, which differs per machine — point
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# every backdrop this box actually has at the Nexus background.
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bg="$NEXUS_ROOT/assets/background.png"
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if [ -f "$bg" ] && [ -n "${DISPLAY:-}" ]; then
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xfconf-query -c xfce4-desktop -l 2>/dev/null | grep 'last-image$' | while read -r p; do
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xfconf-query -c xfce4-desktop -p "$p" -s "$bg" 2>/dev/null || true
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done
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fi
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fi
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# Multi-monitor primary-follow watcher (panel + Plank track the xrandr primary).
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if [ -f "$NEXUS_ROOT/bin/panel/plank-primary-watch.sh" ]; then
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mkdir -p "$HOME/.local/bin"
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chmod +x "$NEXUS_ROOT/bin/panel/plank-primary-watch.sh"
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ln -sf "$NEXUS_ROOT/bin/panel/plank-primary-watch.sh" "$HOME/.local/bin/plank-primary-watch.sh"
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fi
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plank_snap="$NEXUS_ROOT/assets/themes/restore-snapshot/plank"
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if [ -d "$plank_snap" ]; then
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mkdir -p "$HOME/.config/plank"
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cp -rf "$plank_snap/." "$HOME/.config/plank/" # /. = contents, else it nests
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fi
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echo ""
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echo "Restoring NexusOS desktop theme..."
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theme_installer="$NEXUS_ROOT/assets/themes/install-theme.sh"
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if [ -x "$theme_installer" ]; then
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"$theme_installer"
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elif [ -f "$theme_installer" ]; then
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bash "$theme_installer"
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else
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echo "Warning: $theme_installer not found — skipping theme restore."
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fi
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echo ""
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echo "Installing Promethean Terminal launcher..."
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term_installer="$NEXUS_ROOT/bin/promethean/install.sh"
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if [ -x "$term_installer" ]; then
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"$term_installer"
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else
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echo "Warning: $term_installer not found — skipping."
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fi
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echo ""
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echo "Installing panel applet..."
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panel_installer="$NEXUS_ROOT/bin/panel/install.sh"
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if [ -x "$panel_installer" ]; then
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"$panel_installer"
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else
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echo "Warning: $panel_installer not found — skipping panel install."
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fi
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# Distro branding — the About dialog / neofetch read /etc/os-release.
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if grep -q '^ID=linuxmint' /etc/os-release 2>/dev/null && ! grep -q 'NexusOS' /etc/os-release; then
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echo ""
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echo "Branding /etc/os-release as NexusOS..."
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sudo sed -i -e 's/^NAME=.*/NAME="NexusOS"/' -e 's/^PRETTY_NAME=.*/PRETTY_NAME="NexusOS 1.0"/' \
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/etc/os-release || echo "Warning: os-release branding skipped."
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fi
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GitNexus · part of the Nexus stack