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install_mac_app: launch natively on Apple Silicon instead of under Rosetta #69

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Merged
EDToaster merged 1 commit into from
Nov 9, 2026
Merged

install_mac_app: launch natively on Apple Silicon instead of under Rosetta #69

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17 changes: 16 additions & 1 deletion scripts/install_mac_app.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -96,7 +96,17 @@ cat > "${macos}/toastty-launch" <<LAUNCH
# shim exits, keeps its inherited WindowServer connection, and creates its
# own window. The binary lives outside the bundle, so each launch => an
# independent, non-bundle-associated process + window.
"${support_bin}" >/dev/null 2>&1 &
#
# Because this shim is a script (no Mach-O header), LaunchServices can't infer
# its architecture and on Apple Silicon may start it under Rosetta. A
# translated parent prefers the x86_64 slice of universal binaries, which
# leaks into the terminal's shell (\`uname -m\` => x86_64). Explicitly request
# the native slice on arm64 hardware.
if [ "\$(/usr/sbin/sysctl -n hw.optional.arm64 2>/dev/null)" = "1" ]; then
/usr/bin/arch -arm64 "${support_bin}" >/dev/null 2>&1 &
else
"${support_bin}" >/dev/null 2>&1 &
fi
exit 0
LAUNCH
chmod 0755 "${macos}/toastty-launch"
Expand All @@ -113,6 +123,11 @@ cat > "${contents}/Info.plist" <<PLIST
<key>CFBundleShortVersionString</key><string>${version}</string>
<key>CFBundleExecutable</key> <string>toastty-launch</string>
<key>LSMultipleInstancesProhibited</key><false/>
<key>LSArchitecturePriority</key>
<array>
<string>arm64</string>
<string>x86_64</string>
</array>
<key>CFBundlePackageType</key> <string>APPL</string>
<key>LSMinimumSystemVersion</key> <string>11.0</string>
<key>NSHighResolutionCapable</key> <true/>
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