[sips] sips can't convert 1024x1024 images to icns format

Extension

https://www.raycast.com/HelloImSteven/sips

Raycast Version

1.84.2

macOS Version

15.1

Description

The "convert images" extension allows to convert a png image into an icns (macos icon). This works only if the input image is smaller than 1024x1024 (e.g. 512x512 works). The sips command throws an error like this:

Command failed: sips --setProperty format icns "icon1024.png" --out "icon1024.icns"
Error: Unable to write image to file /var/folders/pt/6bk10wb16pq145qb8362myqc0000gn/T/7386AB3C-3126-4175-8817-668937696DDF
Error 13: an unknown error occurred
Try 'sips --help' for help using this tool

The same command throws the same error when run from the terminal. There are 2 options:

Use sip to resize the input to 512 - not ideal as it reduces the icon quality
Use a different method for creating icns, that is described here

References

Apple docs
SO solution
Gist with a bash script - I'm using this in my Script command and it works great.

Steps To Reproduce

Create an image that's 1024x1024
Select the image (in Finder or Desktop)
Open Raycast and run "Convert Images" command
Select "icns" as the output format

Current Behaviour

Error is thrown

Expected Behaviour

No error :-)

Thank you for opening this issue!

🔔 @SKaplanOfficial @arronhunt @nakaakist @JUSTIVE @patomos you might want to have a look.

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raycast / extensions