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NoSignal-OS/os updates/monitor-control-fix
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28allday 19fd794b6b NoSignal — fully-offline Arch → Hyprland desktop installer 
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>
2026-06-21 11:03:10 +01:00
..
hyprmoncfgd-override.conf NoSignal — fully-offline Arch → Hyprland desktop installer 2026-06-21 11:03:10 +01:00
install-monitor-control-fix.sh NoSignal — fully-offline Arch → Hyprland desktop installer 2026-06-21 11:03:10 +01:00
README.md NoSignal — fully-offline Arch → Hyprland desktop installer 2026-06-21 11:03:10 +01:00

README.md

monitor-control-fix — make saved hyprmoncfg profiles actually apply

Bug fix for monitor-control (hyprmoncfg). Saving a monitor profile in the Super+Ctrl+H TUI had no effect: ~/.config/hypr/monitors.conf stayed empty and the layout/scale never changed.

Root cause

hyprmoncfg writes monitors.conf only if it can confirm that file is sourced — and it checks only the single file passed as --hypr-config (default hyprland.conf). On caelestia the source line lives in hypr-user.conf, and hyprland.conf includes it indirectly:

hyprland.conf  ──source = $cConf/hypr-user.conf──▶  hypr-user.conf
                                                      └─source = ~/.config/hypr/monitors.conf

hyprmoncfg does not follow that nested include (nor expand the $cConf variable), so it reports "monitors.conf is not sourced by hyprland.conf" and aborts. The daemon log shows it even finds the right profile first:

best profile "profile-…" score=100
apply failed: …/monitors.conf is not sourced by …/hyprland.conf

Fix

Point hyprmoncfg's verification at hypr-user.conf (which sources monitors.conf directly), with an absolute --monitors-conf (otherwise it resolves relative to the --hypr-config directory). Applied in two places:

  • Daemon — systemd user drop-in hyprmoncfgd.service.d/override.conf re-runs hyprmoncfgd with the two flags (using the %h home specifier). The drop-in also gates startup with an ExecStartPre loop: at login the daemon raced Hyprland's startup — hyprctl instances -j is momentarily invalid JSON, the first profile apply failed and flashed an error notification (the daemon's own 5s retry then succeeded). The gate waits (≤30s) for the instances JSON to parse before the daemon starts, so no failed first attempt and no notification.
  • TUI — Super+Ctrl+H rebound to hyprmoncfg --hypr-config … --monitors-conf ….

No package change; no edits to the forbidden caelestia clone files.

Files

  • hyprmoncfgd-override.conf → ~/.config/systemd/user/hyprmoncfgd.service.d/override.conf
  • binds appended to ~/.config/caelestia/hypr-user.conf (idempotent marked block)

Install

sh install-monitor-control-fix.sh

Builder notes — fold into monitor-control

Cleanest is to bake the two flags into monitor-control directly rather than ship a separate fix:

  • Add the hyprmoncfgd.service.d/override.conf drop-in to the image (or patch the upstream unit / package the daemon with these defaults).
  • Make the Super+Ctrl+H bind in monitor-control/hyprland-monitor-control.conf include --hypr-config $HOME/.config/caelestia/hypr-user.conf --monitors-conf $HOME/.config/hypr/monitors.conf.
  • Upstream-worthy: hyprmoncfg should follow nested source = includes and expand Hyprland variables when locating the monitors.conf source line.