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

[Bruno Voisin]

> Le 8 mai 2019 à 08:49, Simon Kramer <simon.kramer at bluewin.ch> a écrit :
> 
> 	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.


I don't understand. My setup is MacTeX-2019 installed at pretest time from the monolithic .pkg installer (ie not the TeX Live Unix install script), then updated via TeX Live Utility, including this morning from the standard repository <http://mirror.ctan.org/systems/texlive/tlnet>.

Compilation works fine. I just tried with a file calling fontspec and unicode-math, hence packages from l3packages: compilation proceeds perfectly with both XeTeX and LuaTeX.

I had to google to figure out what 775 permissions mean. The directories on my setup have 755:


drwxr-xr-x    3 root  wheel     96  2 mar 19:08 l3build
drwxr-xr-x   10 root  wheel    320  6 mai 15:41 l3experimental
drwxr-xr-x   13 root  wheel    416  8 mai 09:47 l3kernel
drwxr-xr-x    7 root  wheel    224  6 mai 15:41 l3packages


and further


l3build:
total 16
-rw-r--r--  1 root  wheel  5260 25 oct  2018 regression-test.tex

l3experimental:
total 0
drwxr-xr-x   3 root  wheel   96  6 mai 15:41 l3benchmark
drwxr-xr-x   3 root  wheel   96  6 mai 15:41 l3cctab
drwxr-xr-x   3 root  wheel   96  6 mai 15:41 l3color
drwxr-xr-x   3 root  wheel   96  6 mai 15:41 l3draw
drwxr-xr-x  26 root  wheel  832  6 mai 15:41 l3str
drwxr-xr-x   3 root  wheel   96  6 mai 15:41 l3sys-shell
drwxr-xr-x   3 root  wheel   96  6 mai 15:41 xcoffins
drwxr-xr-x   4 root  wheel  128  6 mai 15:41 xgalley

l3kernel:
total 2392
-rw-r--r--  1 root  wheel  991026  6 mai 23:05 expl3-code.tex
-rw-r--r--  1 root  wheel    2882  6 mai 23:05 expl3-generic.tex
-rw-r--r--  1 root  wheel    3868  3 mai 00:51 expl3.lua
-rw-r--r--  1 root  wheel    9894  6 mai 23:05 expl3.sty
-rw-r--r--  1 root  wheel   76937  5 mar 23:35 l3doc.cls
-rw-r--r--  1 root  wheel    2400 28 jan 23:07 l3docstrip.tex
-rw-r--r--  1 root  wheel   20583  6 mai 23:05 l3dvipdfmx.def
-rw-r--r--  1 root  wheel   37442  6 mai 23:05 l3dvips.def
-rw-r--r--  1 root  wheel   15331  4 mai 00:30 l3dvisvgm.def
-rw-r--r--  1 root  wheel   21611  6 mai 23:05 l3pdfmode.def
-rw-r--r--  1 root  wheel   22242  6 mai 23:05 l3xdvipdfmx.def

l3packages:
total 0
drwxr-xr-x  3 root  wheel  96  6 mai 15:41 l3keys2e
drwxr-xr-x  3 root  wheel  96  6 mai 15:41 xfp
drwxr-xr-x  3 root  wheel  96  6 mai 15:41 xfrac
drwxr-xr-x  3 root  wheel  96  6 mai 15:41 xparse
drwxr-xr-x  3 root  wheel  96  6 mai 15:41 xtemplate


This all seems OK.


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


I don't know what may have happened on your setup. Corrupted data at the repository your updates were downloaded from?

The way I think this works is that TLU calls tlmgr which downloads the updates from

	http://mirror.ctan.org/systems/texlive/tlnet/archive/

(or whichever mirror you selected or was picked by the multiplexer). These are in .tar.xz format, then tlmgr calls either /usr/local/texlive/2019/tlpkg/installer/xz/xz.x86_64-darwin or a locally installed xz if you have one, to unpack the archive.

I don't know what went wrong there. I assume the permissions are stored in the archive along with the files themselves: the xz man page is not in texlive, but <https://linux.die.net/man/1/xz> seems to say the permissions are stored indeed.

I don't think that may matter, but did you install MacTeX-2019 using the monolithic install package

	http://tug.org/mactex/mactex-download.html

or the online install script

	http://tug.org/mactex/mactex-unix-download.html


Bruno Voisin