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Various configuration files from my setup.
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Local MacPorts overlay #

This directory is a local MacPorts port tree. It is listed first in /opt/local/etc/macports/sources.conf, so ports here shadow the official tree. The PortIndex files are generated and gitignored; bootstrap.sh runs portindex here, and you must rerun it yourself after changing a Portfile.

MacPorts reads this tree as the macports user, so $HOME needs a search-only ACL for it (chmod +a "macports allow search" ~). bootstrap.sh adds it.

aqua/emacs-mac-app #

Copy of the official emacs-mac-app Portfile (and its files/) with two local changes, applied to both subports (revisions bumped to 10). Install with sudo port -N install emacs-mac-app-devel -nativecomp.

1. LSEnvironment sets EMACS_REINVOKED_FROM_SHELL=1 #

When Emacs is launched by Finder, the Dock or Raycast there is no SHLVL in its environment, so emacs-mac re-execs itself through Contents/MacOS/Emacs.sh and a login shell to pick up the shell environment. On macOS 27 LaunchServices drops the pid of an app that re-exec'd itself (LSApplicationHasReExecedItselfKey, no pid), NSRunningApplication.processIdentifier reports -1, and Amethyst, which keys every application on that value, never sees the app and never tiles it. Terminal launches have SHLVL and skip the re-exec. Presetting the guard variable through LSEnvironment skips the re-exec for LaunchServices launches too. PATH still gets ${prefix}/bin from the port's emacs.c patch; the rest of the shell environment comes from exec-path-from-shell in init.el.

2. Liquid Glass icon #

files/Emacs.icon is an Icon Composer document: the white "E" from upstream's etc/images/icons/hicolor/scalable/apps/emacs.svg as a glass layer over a squircle filled with the icon's purple gradient. files/Assets.car is that document compiled by actool. post-destroot copies the catalog into the bundle and sets CFBundleIconName, so macOS 26+ renders the icon with live glass effects and dark/tinted variants. The Dock caches icons aggressively: after an upgrade, remove Emacs from the Dock and add it back.

Recompile after editing the document (actool ships with Xcode, not the Command Line Tools):

out=$(mktemp -d)
DEVELOPER_DIR=/Applications/Xcode.app xcrun actool \
    --app-icon Emacs --platform macosx --minimum-deployment-target 26.0 \
    --output-partial-info-plist /dev/null --compile "$out" files/Emacs.icon
mv "$out/Assets.car" files/