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19fd794b6b
Single-script builder (nosignal.sh) that turns a stock Arch Linux ISO into a fully-offline installer for a themed Hyprland + caelestia (Quickshell) desktop: matching SDDM greeter, Btrfs/Limine bootable snapshots, chwd-style GPU detection, and a curated "os updates" layer (keybind cheatsheet, settings panels, system polish, on-box management skill). See README.md. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
39 lines
1.7 KiB
Bash
Executable file
39 lines
1.7 KiB
Bash
Executable file
#!/bin/sh
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# nosignal-app-theme-sync — make external apps follow Caelestia's light/dark mode.
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#
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# Reads Caelestia's current mode (`caelestia scheme get` -> "Mode: dark|light")
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# and publishes it so toolkit apps follow:
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# * gsettings color-scheme -> xdg-desktop-portal(-gtk) org.freedesktop.appearance
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# => Chrome/Chromium, Electron, Firefox, GTK4/libadwaita, Qt6 all follow.
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# * GTK3 prefer-dark flag in gtk-3.0/gtk-4.0 settings.ini for legacy GTK apps
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# that don't read the portal.
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# Idempotent; safe to run repeatedly. Invoked at login and on scheme change by
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# the nosignal-app-theme .service/.path units.
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set -u
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mode=$(caelestia scheme get 2>/dev/null | awk -F': *' '/Mode:/{print tolower($2); exit}')
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case "$mode" in
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dark) cs=prefer-dark; pd=true ;;
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light) cs=prefer-light; pd=false ;;
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*) cs=default; pd=false ;; # unknown -> no preference
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esac
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# 1. master switch (portal): Chrome / Electron / Firefox / GTK4 / Qt6
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if command -v gsettings >/dev/null 2>&1; then
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gsettings set org.gnome.desktop.interface color-scheme "$cs" 2>/dev/null || true
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fi
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# 2. legacy GTK3 (+GTK4) prefer-dark flag for apps that ignore the portal
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for v in 3.0 4.0; do
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d="${XDG_CONFIG_HOME:-$HOME/.config}/gtk-$v"; f="$d/settings.ini"
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mkdir -p "$d"
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[ -f "$f" ] || printf '[Settings]\n' > "$f"
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grep -q '^\[Settings\]' "$f" || printf '[Settings]\n' >> "$f"
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if grep -q '^gtk-application-prefer-dark-theme' "$f"; then
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sed -i "s/^gtk-application-prefer-dark-theme.*/gtk-application-prefer-dark-theme=$pd/" "$f"
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else
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printf 'gtk-application-prefer-dark-theme=%s\n' "$pd" >> "$f"
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fi
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done
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echo "app-theme: caelestia mode=${mode:-unknown} -> color-scheme=$cs, gtk prefer-dark=$pd"
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