329 lines
12 KiB
Bash
329 lines
12 KiB
Bash
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# shellcheck shell=bash
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# Replicate the post install phase of the upstream TeX Live installer.
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#
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# This script is based on the install-tl script and the TeXLive::TLUtils perl
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# module, down to using the same (prefixed) function names and log messages.
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#
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# When updating to the next TeX Live release, review install-tl for changes and
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# update this script accordingly.
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### install-tl
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# adjust texmf.cnf and texmfcnf.lua
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installtl_do_texmf_cnf () {
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# unlike install-tl, we make a copy of the entire texmf.cnf
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# and point the binaries at $TEXMFCNF/texmf.cnf via wrappers
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mkdir -p "$TEXMFCNF"
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if [[ -e $texmfdist/web2c/texmfcnf.lua ]]; then
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tlutils_info "writing texmfcnf.lua to $TEXMFCNF/texmfcnf.lua"
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sed -e "s,\(TEXMFOS[ ]*=[ ]*\)[^\,]*,\1\"$texmfroot\",g" \
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-e "s,\(TEXMFDIST[ ]*=[ ]*\)[^\,]*,\1\"$texmfdist\",g" \
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-e "s,\(TEXMFSYSVAR[ ]*=[ ]*\)[^\,]*,\1\"$TEXMFSYSVAR\",g" \
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-e "s,\(TEXMFSYSCONFIG[ ]*=[ ]*\)[^\,]*,\1\"$TEXMFSYSCONFIG\",g" \
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-e "s,\(TEXMFLOCAL[ ]*=[ ]*\)[^\,]*,\1\"$out/share/texmf-local\",g" \
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-e "s,\$SELFAUTOLOC,$out,g" \
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-e "s,selfautodir:/,$out/share/,g" \
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-e "s,selfautodir:,$out/share/,g" \
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-e "s,selfautoparent:/,$out/share/,g" \
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-e "s,selfautoparent:,$out/share/,g" \
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"$texmfdist/web2c/texmfcnf.lua" > "$TEXMFCNF/texmfcnf.lua"
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fi
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tlutils_info "writing texmf.cnf to $TEXMFCNF/texmf.cnf"
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sed -e "s,\(TEXMFROOT[ ]*=[ ]*\)[^\,]*,\1$texmfroot,g" \
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-e "s,\(TEXMFDIST[ ]*=[ ]*\)[^\,]*,\1$texmfdist,g" \
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-e "s,\(TEXMFSYSVAR[ ]*=[ ]*\)[^\,]*,\1$TEXMFSYSVAR,g" \
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-e "s,\(TEXMFSYSCONFIG[ ]*=[ ]*\)[^\,]*,\1$TEXMFSYSCONFIG,g" \
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-e "s,\$SELFAUTOLOC,$out,g" \
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-e "s,\$SELFAUTODIR,$out/share,g" \
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-e "s,\$SELFAUTOPARENT,$out/share,g" \
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-e "s,\$SELFAUTOGRANDPARENT,$out/share,g" \
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"$texmfdist/web2c/texmf.cnf" > "$TEXMFCNF/texmf.cnf"
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}
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# run postaction scripts from texlive.tlpdb
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# note that the other postactions (fileassoc, ...) are Windows only
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installtl_do_tlpdb_postactions () {
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local postaction postInterp
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if [[ -n $postactionScripts ]] ; then
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tlutils_info "running package-specific postactions"
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for postaction in $postactionScripts ; do
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# see TeXLive::TLUtils::_installtl_do_postaction_script
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case "$postaction" in
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*.pl)
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postInterp=perl ;;
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*.texlua)
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postInterp=texlua ;;
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*)
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postInterp= ;;
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esac
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tlutils_info "${postInterp:+$postInterp }$postaction install $texmfroot"
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FORCE_SOURCE_DATE=1 $postInterp "$texmfroot/$postaction" install "$texmfroot" >>"$TEXMFSYSVAR/postaction-${postaction##*/}.log"
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done
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tlutils_info "finished with package-specific postactions"
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fi
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}
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installtl_do_path_adjustments () {
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# here install-tl would add a system symlink to the man pages
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# instead we run other nixpkgs related adjustments
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# generate wrappers
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tlutils_info "wrapping binaries"
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local bash cmd extraPaths link path target wrapCount
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bash="$(command -v bash)"
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enable -f "${bash%/bin/bash}"/lib/bash/realpath realpath
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# common runtime dependencies
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for cmd in cat awk sed grep gs ; do
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# do not fail if gs is absent
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path="$(PATH="$HOST_PATH" command -v "$cmd" || :)"
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if [[ -n $path ]] ; then
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extraPaths="${extraPaths:+$extraPaths:}${path%/"$cmd"}"
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fi
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done
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declare -i wrapCount=0
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for link in "$out"/bin/* ; do
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target="$(realpath "$link")"
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# skip non-executable files (such as context.lua)
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if [[ ! -x $target ]] ; then
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continue
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fi
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if [[ ${target##*/} != "${link##*/}" ]] ; then
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# detected alias with different basename, use immediate target of $link to preserve $0
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# relevant for mktexfmt, repstopdf, ...
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target="$(readlink "$link")"
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fi
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rm "$link"
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makeWrapper "$target" "$link" \
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--inherit-argv0 \
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--prefix PATH : "$extraPaths:$out/bin" \
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--set-default TEXMFCNF "$TEXMFCNF" \
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--set-default FONTCONFIG_FILE "$fontconfigFile"
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wrapCount=$((wrapCount + 1))
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done
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tlutils_info "wrapped $wrapCount binaries and scripts"
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# generate format symlinks (using fmtutil.cnf)
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tlutils_info "generating format symlinks"
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texlinks --quiet "$out/bin"
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# remove *-sys scripts since /nix/store is readonly
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rm "$out"/bin/*-sys
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# link TEXMFDIST in $out/share for backward compatibility
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ln -s "$texmfdist" "$out"/share/texmf
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# generate other outputs
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local otherOutput otherOutputName
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local otherOutputs="$otherOutputs"
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for otherOutputName in $outputs ; do
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if [[ $otherOutputName == out ]] ; then
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continue
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fi
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otherOutput="${otherOutputs%% *}"
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otherOutputs="${otherOutputs#* }"
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ln -s "$otherOutput" "${!otherOutputName}"
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done
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}
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# run all post install parts
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installtl_do_postinst_stuff () {
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installtl_do_texmf_cnf
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# create various config files
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# in principle, we could use writeText and share them across different
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# environments, but the eval & build overhead is not worth the savings
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tlutils_create_fmtutil
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tlutils_create_updmap
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tlutils_create_language_dat
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tlutils_create_language_def
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tlutils_create_language_lua
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# make new files available
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tlutils_info "running mktexlsr $TEXMFSYSVAR $TEXMFSYSCONFIG"
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mktexlsr "$TEXMFSYSVAR" "$TEXMFSYSCONFIG"
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# update font maps
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tlutils_info "generating font maps"
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updmap-sys --quiet --force --nohash 2>&1
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# configure the paper size
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# tlmgr --no-execute-actions paper letter
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# install-tl: "rerun mktexlsr for updmap-sys and tlmgr paper updates"
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tlutils_info "re-running mktexlsr $TEXMFSYSVAR $TEXMFSYSCONFIG"
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mktexlsr "$TEXMFSYSVAR" "$TEXMFSYSCONFIG"
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tlutils_update_context_cache
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# generate formats
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# install-tl would run fmtutil-sys $common_fmtutil_args --no-strict --all
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# instead, we want fmtutil to exit with error on failure
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if [[ -n $fmtutilCnf ]] ; then
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tlutils_info "pre-generating all format files, be patient..."
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# many formats still ignore SOURCE_DATE_EPOCH even when FORCE_SOURCE_DATE=1
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# libfaketime fixes non-determinism related to timestamps ignoring FORCE_SOURCE_DATE
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# we cannot fix further randomness caused by luatex; for further details, see
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# https://salsa.debian.org/live-team/live-build/-/blob/master/examples/hooks/reproducible/2006-reproducible-texlive-binaries-fmt-files.hook.chroot#L52
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# note that calling faketime and fmtutil is fragile (faketime uses LD_PRELOAD, fmtutil calls /bin/sh, causing potential glibc issues on non-NixOS)
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# so we patch fmtutil to use faketime, rather than calling faketime fmtutil
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substitute "$texmfdist"/scripts/texlive/fmtutil.pl fmtutil \
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--replace-fail "my \$cmdline = \"\$eng -ini " "my \$cmdline = \"faketime -f '\@$(date +'%F %T' --date=@"$SOURCE_DATE_EPOCH") x0.001' \$eng -ini "
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FORCE_SOURCE_DATE=1 perl fmtutil --quiet --strict --sys --all 2>&1 | grep '^fmtutil' # too verbose
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fi
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installtl_do_path_adjustments
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installtl_do_tlpdb_postactions
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# remove log files to improve reproducibility
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find "$TEXMFSYSVAR" -name '*.log' -delete
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}
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### TeXLive::TLUtils
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tlutils_info () {
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printf '%s\n' "texlive: $*"
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}
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tlutils_create_fmtutil () {
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# fmtutil.cnf created by install-tl already exists readonly in $texmfdist
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# so here we need to *disable* the entries that are not in $fmtutilCnf
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# and write the output in the writeable $TEXMFSYSVAR
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local engine fmt line outFile sedExpr
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outFile="$TEXMFSYSVAR"/web2c/fmtutil.cnf
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tlutils_info "writing fmtutil.cnf to $outFile"
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while IFS= read -r line ; do
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# a line is 'fmt engine ...' or '#! fmt engine ...'
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# (see fmtutil.pl::read_fmtutil_file)
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line="${line#\#! }"
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read -r fmt engine _ <<<"$line"
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# if a line for the ($fmt,$engine) pair exists, remove it to avoid
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# pointless warnings from fmtutil
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sedExpr="$sedExpr /^(#! )?$fmt $engine /d;"
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done <<<"$fmtutilCnf"
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# disable all the remaining formats
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sedExpr="$sedExpr /^[^#]/{ s/^/#! /p };"
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{
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echo "# Generated by nixpkgs"
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sed -E -n -e "$sedExpr" "$texmfdist"/web2c/fmtutil.cnf
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[[ -z $fmtutilCnf ]] || printf '%s' "$fmtutilCnf"
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} >"$outFile"
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}
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tlutils_create_updmap () {
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# updmap.cfg created by install-tl already exists readonly in $texmfdist
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# so here we need to *disable* the entries that are not in $updmapCfg
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# and write the output in the writeable $TEXMFSYSVAR
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local line map outFile sedExpr
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outFile="$TEXMFSYSVAR"/web2c/updmap.cfg
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tlutils_info "writing updmap.cfg to $outFile"
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while IFS= read -r line ; do
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# a line is 'type map' or '#! type map'
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# (see fmtutil.pl::read_updmap_file)
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read -r _ map <<<"$line"
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# if a line for $map exists, remove it to avoid
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# pointless warnings from updmap
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sedExpr="$sedExpr /^(#! )?[^ ]*Map $map$/d;"
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done <<<"$updmapCfg"
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# disable all the remaining font maps
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sedExpr="$sedExpr /^[^ ]*Map/{ s/^/#! /p };"
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{
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echo "# Generated by nixpkgs"
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sed -E -n -e "$sedExpr" "$texmfdist"/web2c/updmap.cfg
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[[ -z $updmapCfg ]] || printf '%s' "$updmapCfg"
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} >"$outFile"
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}
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tlutils__create_config_files () {
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# simplified arguments
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local header="$1"
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local dest="$2"
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local prefix="$3"
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local lines="$4"
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local suffix="$5"
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if [[ -z "$header" || -e "$header" ]] ; then
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tlutils_info "writing ${dest##*/} to $dest"
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{
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[[ -z $prefix ]] || printf '%s\n' "$prefix"
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[[ ! -e $header ]] || cat "$header"
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[[ -z $lines ]] || printf '%s\n' "$lines"
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[[ -z $suffix ]] || printf '%s\n' "$suffix"
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} >"$dest"
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fi
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}
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tlutils_create_language_dat () {
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tlutils__create_config_files \
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"$texmfdist"/tex/generic/config/language.us \
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"$TEXMFSYSVAR"/tex/generic/config/language.dat \
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'% Generated by nixpkgs' \
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"$languageDat" \
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''
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}
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tlutils_create_language_def () {
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tlutils__create_config_files \
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"$texmfdist"/tex/generic/config/language.us.def \
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"$TEXMFSYSVAR"/tex/generic/config/language.def \
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'' \
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"$languageDef" \
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'%%% No changes may be made beyond this point.
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\uselanguage {USenglish} %%% This MUST be the last line of the file.'
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}
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tlutils_create_language_lua () {
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tlutils__create_config_files \
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"$texmfdist"/tex/generic/config/language.us.lua \
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"$TEXMFSYSVAR"/tex/generic/config/language.dat.lua \
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'-- Generated by nixpkgs' \
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"$languageLua" \
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'}'
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}
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tlutils_update_context_cache () {
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if [[ -x $out/bin/mtxrun ]] ; then
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tlutils_info "setting up ConTeXt cache"
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# temporarily patch mtxrun.lua to generate uuid's deterministically from SOURCE_DATE_EPOCH
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mv "$out"/bin/mtxrun.lua{,.orig}
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substitute "$out"/bin/mtxrun.lua.orig "$out"/bin/mtxrun.lua \
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--replace-fail 'randomseed(math.initialseed)' "randomseed($SOURCE_DATE_EPOCH)"
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# this is very verbose, save the output for debugging purposes
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{
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mtxrun --generate
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context --luatex --generate
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[[ ! -x $out/bin/luajittex ]] || context --luajittex --generate
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} >"$TEXMFSYSVAR"/context-cache.log
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mv "$out"/bin/mtxrun.lua{.orig,}
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fi
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}
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# init variables (export only the ones that are used in the wrappers)
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export PATH="$out/bin:$PATH"
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TEXMFSYSCONFIG="$out/share/texmf-config"
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TEXMFSYSVAR="$out/share/texmf-var"
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export TEXMFCNF="$TEXMFSYSVAR/web2c"
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installtl_do_postinst_stuff
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