`mix firmware` failure during squashfs

[jjcarstens]

`mix firmware` failure during squashfs

[jjcarstens]

I was able to reproduce this with a private repo. Once digging through the scripts and commands being run during squashing, this is what I ran into

FATAL ERROR: write_file: file squashfs-root/usr/lib/xtables/libip6t_hl.so already exists

Frank gave me the idea to check for files without case-sensitivity and sure enough, there are 2

> my_fw √ % grep -i libip6t_hl /var/folders/l9/61kntssd7g19yw5h4l9qxsr00000gn/T/tmp.P40vXDGq/pseudofile
/usr/lib/xtables/libip6t_HL.so m 755 root wheel
/usr/lib/xtables/libip6t_hl.so m 755 root wheel

MacOS is case-insensitive by default. This actually hits at a lots of random times. For cases during squashfs, it's probably running into files like this that are provided by the underlying Nerves system and is going to vary widely.

I need to think about how to handle this. I'm assuming the recent squashfs update has some sort of change to ignore case and just need to see how to work around it

[LostKobrakai]

The bit of debugging I did seemed to fail in a unsquashfs call of ~/.nerves/artifacts/our-fw/scripts/merge-squashfs

[fhunleth]

I could use some help reproducing this. I have had Squashfs 4.6.1 installed on two MBP's for quite a while now and haven't seen this at all. Does this affect all projects? Aside from work projects, I build Elixir Circuits Quickstart and Nerves Livebook frequently. Does it reproduce for either of you with those?

[jjcarstens]

It is a bit stalled until we have some reproduction. A few others are looking into it and we'll report once we have more

[schrockwell]

For folks who need to downgrade squashfs on macOS using Homebrew:

brew tap-new zappy/edith
brew extract --version="4.5.1" squashfs zappy/edith
brew install [email protected]
brew link --overwrite [email protected]
unsquashfs -version # => should report 4.5.1