[tlu] [ TeX Live Utility 2019 ] file sytem permission issue

[Simon Kramer]

Hello,

	I've migrated from TeX Live 2018 to TeX Live 2019, and
	have observed the following (mis)behaviour of the system:

		(1) after installing TeX Live 2019, compilation works :-)

		(2) but then, after updating TeX Live 2019 with TeX Live Utility 2019,
		    compilation breaks, namely because of the permissions on

			(2.1) /usr/local/texlive/2019/texmf-dist/tex/latex/l3packages
			(2.2) /usr/local/texlive/2019/texmf-dist/tex/latex/l3kernel

		(3) then, after executing

			(3.1) sudo chmod -RL 775 l3packages
			(3.1) sudo chmod -RL 775 l3kernel

		    in /usr/local/texlive/2019/texmf-dist/tex/latex ,
		    compilation works again.

	Of course, it is not impossible that compilation of other sources also breaks,
	because of permission issues on other TeX Live 2019 files/directories.

	So, a general check of the file system permissions applied by
	TeX Live Utility 2019 does not seem entirely unreasonable.

	What do you think?

Best,

	-- Simon
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