My nix-darwin and NixOS config
fix: use modern commands for the Launch Services database
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modules/darwin/launch-services.nix
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modules/darwin/launch-services.nix
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system.activationScripts.postActivation.text = lib.mkAfter ''
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echo "Rebuilding Launch Services database..." >&2
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# Clear and rebuild the Launch Services database
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# Modern approach: garbage collect and rescan all domains
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# This ensures all Nix apps are properly registered with macOS
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# Using -gc (garbage collect) instead of deprecated -kill flag
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/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister \
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-kill -r -domain local -domain system -domain user
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-gc -R -apps u,s,l 2>/dev/null || true
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# Reset Launchpad cache to show updated apps
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# This is necessary for apps to appear in Spotlight and Launchpad
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find /private/var/folders/ -type d -name com.apple.dock.launchpad -exec rm -rf {} + 2>/dev/null || true
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# Restart Dock to apply changes
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killall Dock || true
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killall Dock 2>/dev/null || true
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echo "Launch Services database rebuilt successfully" >&2
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'';