GNU bug report logs - #35268
guix system won't open config files in tmpfs

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From: rendaw <7e9wc56emjakcm <at> s.rendaw.me>
To: 35268 <at> debbugs.gnu.org
Subject: bug#35268: guix system won't open config files in tmpfs
Date: Sun, 14 Apr 2019 17:52:31 +0900

Package: guix
Version: 0.16.0

As a workaround for the "guix system init -e" issue I'm creating a
temporary file with the -e expression and passing it to guix like:

```
$ guix system init /tmp/tmpmf8u61uc.scm temp/mount
...
guix system: error: failed to load '/tmp/tmpmf8u61uc.scm': No such file
or directory
```

I also tried it with a relative path in case the absolute path was the
issue, but no luck.  The command works if I create the tmpfile in my
current (ext4) directory.  The permissions on the file are the same in
both cases (user:rw only).  /tmp is a tmpfs mount owned by user/group
root and has full (ugo:rwx) access.

I think there's two issues here:
1. For some reason files in tmpfs don't work
2. The error message is misleading

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