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Compress the dmg with LZMA #8

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Merged
JetSquirrel merged 1 commit into from
Sep 30, 2026
Merged

Compress the dmg with LZMA #8

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5 changes: 4 additions & 1 deletion scripts/dmg-settings.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,10 @@
app = defines["app"] # noqa: F821 (dmgbuild provides `defines`)
name = os.path.basename(app)

format = "UDZO"
# LZMA rather than zlib (UDZO): about 30% smaller for the same app, and
# every macOS DuckLocal supports (12+, see Info.plist) mounts it. Opening
# the image takes a moment longer; the installed app is byte-identical.
format = "ULMO"
files = [app]
symlinks = {"Applications": "/Applications"}

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