Reproducible hooks: texlive-base and texlive-binaries
This commit is contained in:
Roland Clobus
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5b44eb3bf5
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f1a98e4da6
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#!/bin/sh
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set -e
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# This script fixes several issues:
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# 1. The fmt files contain timestamps
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# 2. The fmt files randomly select the path to language.dat.lua and language.def
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# (/var/lib/texmf/tex/generic/config vs /usr/share/texlive/texmf-dist/tex/generic/config)
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# 3. The fmt files have a random order due to the way iterators work in lua
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# The function 'exception_strings' uses these iterators
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# https://sources.debian.org/src/texlive-bin/2021.20210626.59705-1/texk/web2c/luatexdir/lang/texlang.c/?hl=501#L501
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# See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1009196
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# 4. The 'tex' executable intentionally ignores SOURCE_DATE_EPOCH
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# See https://sources.debian.org/src/texlive-bin/2021.20210626.59705-1/debian/patches/debian-SDE-docs-in-tex-etex-manpage/?hl=36#L36
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# Note: This hook must run before 0140-remove-log-files.hook.chroot and 0190-remove-temporary-files.hook.chroot
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# Don't run if texlive-binaries is not installed
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if [ ! -e /usr/bin/luahbtex ];
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then
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exit 0
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fi
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# This is TeX: set FORCE_SOURCE_DATE to enable SOURCE_DATE_EPOCH -> fixes 1 and 2
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export FORCE_SOURCE_DATE=1
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# Generate the .fmt file 10 times. If the content differs, a fix for 3 is required
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for i in $(seq 1 10); do luahbtex -ini -jobname=luahbtex -progname=luabhtex luatex.ini > /dev/null; md5sum luahbtex.fmt >> md5sum.luahbtex; done
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rm -f luahbtex.fmt
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rm -f luahbtex.log
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if [ $(sort -u < md5sum.luahbtex | wc -l) -ne 1 ];
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then
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# Ugly hack: remove the hyphenation exceptions -> fixes 3
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# This results in incorrect hyphenation, but it is a work-around until the function 'exception_strings' has been adjusted
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sed -i -e '/as-so-ciate/d;/as-so-ciates/d;/dec-li-na-tion/d;/oblig-a-tory/d;/phil-an-thropic/d;/present/d;/presents/d;/project/d;/projects/d;/reci-procity/d;/re-cog-ni-zance/d;/ref-or-ma-tion/d;/ret-ri-bu-tion/d;/ta-ble/d' /usr/share/texlive/texmf-dist/tex/generic/hyphen/hyphen.tex
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echo "P: $(basename $0) Reproducible hack has been applied: hyphenation of some words will be incorrect"
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fi
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rm -f md5sum.luahbtex
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# Rebuild all .fmt and .log files in /var/lib/texmf/web2c
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fmtutil --sys --all
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# Use faketime to enforce a timestamp -> fixes 4
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# NB: hooks don't know about the apt/aptitude selection, so use 'apt-get'
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export FAKETIME_ALREADY_INSTALLED=1
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if [ ! -e /usr/bin/faketime ];
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then
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FAKETIME_ALREADY_INSTALLED=0
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apt-get install faketime --yes -o Acquire::Check-Valid-Until=false
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fi
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OLD_PWD=$(pwd)
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cd /var/lib/texmf/web2c/tex
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faketime $(date --utc -d@$SOURCE_DATE_EPOCH --iso-8601=seconds) tex -ini -jobname=tex -progname=tex tex.ini
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cd ${OLD_PWD}
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if [ ${FAKETIME_ALREADY_INSTALLED} -eq 0 ];
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then
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apt-get remove --purge --yes faketime
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apt-get autoremove --yes
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fi
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echo "P: $(basename $0) Reproducible hook has been applied"
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#!/bin/sh
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set -e
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# The file /var/lib/texmf/web2c/updmap.log contains timestamps for the files that it just generated
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# Not reported yet. See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=XXXXXXX
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# Don't run if texlive-base is not installed
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if [ ! -e /usr/bin/updmap ];
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then
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exit 0
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fi
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# Don't run if the script has been fixed
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if grep -q gmtime /usr/share/texlive/texmf-dist/scripts/texlive/updmap.pl;
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then
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exit 0
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fi
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# Change: printf LOG "%s\n\n", scalar localtime();
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# To : printf LOG "%s\n\n", defined $ENV{SOURCE_DATE_EPOCH} ? scalar gmtime($ENV{SOURCE_DATE_EPOCH}) : scalar localtime();
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sed -i -e "/scalar localtime/s/scalar localtime/defined \$ENV{SOURCE_DATE_EPOCH} ? scalar gmtime(\$ENV{SOURCE_DATE_EPOCH}) : scalar localtime/" /usr/share/texlive/texmf-dist/scripts/texlive/updmap.pl
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# Change: my ($s,$m,$h,$D,$M,$Y)=localtime($stat[9]);
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# To : my ($s,$m,$h,$D,$M,$Y)=defined $ENV{SOURCE_DATE_EPOCH} ? gmtime($ENV{SOURCE_DATE_EPOCH}) : localtime($stat[9]);
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sed -i -e "/localtime([$]/s/localtime/defined \$ENV{SOURCE_DATE_EPOCH} ? gmtime(\$ENV{SOURCE_DATE_EPOCH}) : localtime/" /usr/share/texlive/texmf-dist/scripts/texlive/updmap.pl
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# The timestamp of the files that are generated by the script will be corrected in the 'lb binary' phase
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updmap -sys
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echo "P: $(basename $0) Reproducible hook has been applied"
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@ -0,0 +1,27 @@
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#!/bin/sh
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set -e
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# mktexlsr and mktexlsr.pl generate different output
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# Whichever of both scripts is run last, determines the output of /var/lib/texmf/ls-R
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# See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1003449
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# Don't run if texlive-base is not installed
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if [ ! -e /usr/share/texlive/texmf-dist/scripts/texlive/mktexlsr ];
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then
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exit 0
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fi
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# Don't run if the version of mktexlsr is sufficiently new
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if grep -q "Also remove double empty" /usr/share/texlive/texmf-dist/scripts/texlive/mktexlsr;
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then
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exit 0
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fi
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# Apply only the functional part of the patch in #1003449 (removes double empty lines)
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sed -i -e "/vc_dirs'\./s/[\\]/| cat -s \\\\/" /usr/share/texlive/texmf-dist/scripts/texlive/mktexlsr
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# Run the shell script, this hook is the last invoker.
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# The output in /var/lib/texmf/ls-R will be sorted
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mktexlsr
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echo "P: $(basename $0) Reproducible hook has been applied"
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