Version: 5.3.0
When I'm trying to add license.txt it fails with the following message:
✖ Code signing failed. The DMG is fine, just not code signed.
hdiutil: unflatten: verb not recognized
Usage: /usr/bin/hdiutil <verb> <options>
<verb> is one of the following:
help
attach
detach
eject
verify
create
compact
convert
burn
info
checksum
chpass
erasekeys
imageinfo
isencrypted
makehybrid
mount
mountvol
unmount
plugins
resize
segment
pmap
udifderez
udifrez
It seems to be a known issue and here's how it's fixed in electron-builder.
sindresorhus / create-dmg
Create a good-looking DMG for your macOS app in seconds
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