[Rpm-maint] [rpm-software-management/rpm] Build fails on: "invalid utf-8 encoding in Classdict: TrueType Font data" (#952)

Jan van Mansum notifications at github.com
Tue Nov 26 11:13:08 UTC 2019


# RPM
* Platform: MacOS Mojave: 10.14.6 (18G1012)
* RPM version: 4.15.1

# Steps to reproduce problem
1. Clone https://github.com/DANS-KNAW/issue-rpm-font-problem
2. Run `./rpmbuild.sh` in the project directory

# Problem
I get the following error:
```
./rpmbuild.sh
~/git/test/issue-rpm-font-problem/rpmbuild/SPECS ~/git/test/issue-rpm-font-problem
warning: Could not canonicalize hostname: XXXX
Processing files: font-rpm-1.0-1.noarch
Provides: font-rpm = 1.0-1
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Checking for unpackaged file(s): /usr/local/Cellar/rpm/4.15.1/lib/rpm/check-files /Users/XXXX/git/test/issue-rpm-font-problem/rpmbuild/BUILDROOT/font-rpm-1.0-1.x86_64
error: Package font-rpm: invalid utf-8 encoding in Classdict: TrueType Font data, 19 tables, 1st "FFTM", 15 names, Microsoft, language 0x409, Digitized data copyright � 2010-2011, Google Corporation.Open SansBoldAscender - Open Sans Bold - Illegal byte sequence


RPM build errors:
    Could not canonicalize hostname: XXXX
    Package font-rpm: invalid utf-8 encoding in Classdict: TrueType Font data, 19 tables, 1st "FFTM", 15 names, Microsoft, language 0x409, Digitized data copyright � 2010-2011, Google Corporation.Open SansBoldAscender - Open Sans Bold - Illegal byte sequence
~/git/test/ssue-rpm-font-problem
```
# Analysis / observations / questions
* This problem did not occur in the previous versions of `rpm`. I think the previous version I had installed was `4.14.2.1`.
* The font metadata does seem to have a malencoded copyright sign. Why does rpm try to retrieve the font metadata anyway? rpm doesn't seem to use the file name as a hint, because the problem also occurs if you rename the font file (`rpmbuild/BUILDROOT/font-rpm-1.0-1.x86_64/var/www/html/OpenSans-Bold.ttf`) to something else.
* Could this issue have something to do with the item "Fix non-deterministic RPMTAG_CLASSDICT order (#934, regression in 4.15.0)" in the [release notes](https://rpm.org/wiki/Releases/4.15.1)?
* You could say that this is not an issue with rpm, if the font file metadata is incorrect, but in any case I think this problem should not be more than a warning.



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