gistfile1.txt

$ nix-shell -A release
Checking that snapcraft package passes tests
/nix/store/3ffwl6a89qdvwjrdsisvvcdyvlman0q8-squashfs.img: pass
Creating and pushing snapcraft package...
Preparing to push '3ffwl6a89qdvwjrdsisvvcdyvlman0q8-squashfs.img'.
After pushing, an attempt will be made to release to 'stable'
Generating delta for '3ffwl6a89qdvwjrdsisvvcdyvlman0q8-squashfs.img'.
Error generating delta: Could not generate xdelta3 delta.
stdout log: /tmp/3ffwl6a89qdvwjrdsisvvcdyvlman0q8-squashfs.img.xdelta3.out
stdout: 

---------stderr log: /tmp/3ffwl6a89qdvwjrdsisvvcdyvlman0q8-squashfs.img.xdelta3.err
stderr: 
xdelta3: file open failed: write: /nix/store/3ffwl6a89qdvwjrdsisvvcdyvlman0q8-squashfs.img.xdelta3: Read-only file system

---------returncode: 1
Falling back to pushing full snap...
Pushing '3ffwl6a89qdvwjrdsisvvcdyvlman0q8-squashfs.img' [==================================================================================] 100%
Processing...|                                                                                                                                   
Error while processing...
The store was unable to accept this snap.
  - /nix/store/3phsp56ygdjp8cl9n4d9zlls0fhjz379-jormungandr-cli-0.2.3/bin/jcli does not exist
  - /nix/store/db95ip80m1dfm5bggh79wk4qpa5zds4v-bootstrap/bin/bootstrap does not exist
  - /nix/store/npw1ck04ps0x497hrlwzmiqidyp8x1yr-jormungandr-0.2.3/bin/jormungandr does not exist
  - package contains external symlinks: nix/store/j4gxw716ra03ivqfpd17jah89d3m8608-lz4-1.8.3/share/man/man1/lz4c.1.gz, nix/store/j4gxw716ra03ivqfpd17jah89d3m8608-lz4-1.8.3/share/man/man1/unlz4.1.gz, nix/store/j4gxw716ra03ivqfpd17jah89d3m8608-lz4-1.8.3/share/man/man1/lz4cat.1.gz