[Rpm-maint] [rpm-software-management/rpm] If ~/rpmbuild/BUILD is a symlink rpmbuild fails at packaging debug files (Issue #2160)

[Panu Matilainen]

Well, there were many problematic things in this bug report.
- claiming that nothing at all can be built, but it appears to have been one specific package
- claiming this is a "bog standard" installation, when such symlinks in rpmbuild certainly are NOT standard
- not mentioning how this came to be: that it used to work in the first place, then something happened (what? a distro upgrade? just applying updates?), and now it doesn't
- opening two tickets on the same issue, with an excess sense of urgency

Based on experience, this had the air of a one-off weird setup thing from a mile away. There are a hundred million ways a setup can be subtly broken and I would've never guessed the reason in the time I can dedicate to a this kind of isolated case. You figured it by yourself in a matter of hours in the end :+1:  It usually pays off to go that extra mile to troubleshoot ones issues, and compare to another, clean installation before reporting.

It doesn't seem to be the tmpfs as the same happens with a regular fs (BUILD symlinked to /var/tmp) too, and it doesn't seem to be the suid binary either because dropping that has no effect, and it really does seem specific to firejail because with that I can reproduce the issue with a symlinked BUILD, but when tried a bunch of different packages (popt, rpm, util-linux, shadow-utils) everything else builds fine in this setup.

I have no idea whether this is a bug in firejail or find-debuginfo.sh, but if you present this case as it is to debugedit maintainers (https://sourceware.org/debugedit/), they may be able to help you.

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