7de41b9a4b
Note: only basic testing has been done so far; also see FIXME items. AMENDed to reduce git history size significantly: - fix 2015->2016 bugs in fixedHashes.nix - purge all sha512 from pkgs.nix
186 lines
6.9 KiB
Nix
186 lines
6.9 KiB
Nix
/* TeX Live user docs
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- source: ../../../../../doc/languages-frameworks/texlive.xml
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- current html: http://nixos.org/nixpkgs/manual/#sec-language-texlive
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*/
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{ stdenv, lib, fetchurl, runCommand, writeText, buildEnv
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, callPackage, ghostscriptX, harfbuzz, poppler_min
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, makeWrapper, perl, python, ruby
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, useFixedHashes ? true
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, recurseIntoAttrs
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}:
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let
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# various binaries (compiled)
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bin = callPackage ./bin.nix {
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poppler = poppler_min; # otherwise depend on various X stuff
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ghostscript = ghostscriptX;
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harfbuzz = harfbuzz.override {
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withIcu = true; withGraphite2 = true;
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};
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};
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# map: name -> fixed-output hash
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# sha1 in base32 was chosen as a compromise between security and length
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# warning: the following generator command takes lots of resources
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# nix-build ../../../../.. -Q -A texlive.scheme-full.pkgs | ./fixHashes.sh > ./fixedHashes.nix
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fixedHashes = lib.optionalAttrs useFixedHashes (import ./fixedHashes.nix);
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# function for creating a working environment from a set of TL packages
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combine = import ./combine.nix {
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inherit bin combinePkgs buildEnv fastUnique lib makeWrapper writeText
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perl stdenv python ruby;
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};
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# the set of TeX Live packages, collections, and schemes; using upstream naming
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tl = let
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/* # beware: the URL below changes contents continuously
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curl http://mirror.ctan.org/tex-archive/systems/texlive/tlnet/tlpkg/texlive.tlpdb.xz \
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| xzcat | uniq -u | sed -rn -f ./tl2nix.sed > ./pkgs.nix */
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orig = import ./pkgs.nix tl; # XXX XXX XXX FIXME: the file is probably too big now XXX XXX XXX XXX XXX XXX
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clean = orig // {
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# overrides of texlive.tlpdb
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dvidvi = orig.dvidvi // {
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hasRunfiles = false; # only contains docs that's in bin.core.doc already
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};
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texlive-msg-translations = orig.texlive-msg-translations // {
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hasRunfiles = false; # only *.po for tlmgr
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};
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# remove dependency-heavy packages from the basic collections
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collection-basic = orig.collection-basic // {
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deps = removeAttrs orig.collection-basic.deps [ "luatex" "metafont" "xdvi" ];
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};
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latex = orig.latex // {
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deps = removeAttrs orig.latex.deps [ "luatex" ];
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};
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xdvi = orig.xdvi // { # it seems to need it to transform fonts
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deps = (orig.xdvi.deps or {}) // { inherit (tl) metafont; };
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};
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}; # overrides
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# tl =
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in lib.mapAttrs flatDeps clean;
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# TODO: texlive.infra for web2c config?
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flatDeps = pname: attrs:
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let
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version = attrs.version or bin.texliveYear;
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mkPkgV = tlType: let
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pkg = attrs // {
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sha512 = attrs.sha512.${tlType};
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inherit pname tlType version;
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};
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in mkPkgs {
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inherit (pkg) pname tlType version;
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pkgList = [ pkg ];
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};
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in {
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# TL pkg contains lists of packages: runtime files, docs, sources, binaries
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pkgs =
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# tarball of a collection/scheme itself only contains a tlobj file
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[( if (attrs.hasRunfiles or false) then mkPkgV "run"
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# the fake derivations are used for filtering of hyphenation patterns
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else { inherit pname version; tlType = "run"; }
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)]
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++ lib.optional (attrs.sha512 ? "doc") (mkPkgV "doc")
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++ lib.optional (attrs.sha512 ? "source") (mkPkgV "source")
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++ lib.optional (bin ? ${pname})
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( bin.${pname} // { inherit pname; tlType = "bin"; } )
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++ combinePkgs (attrs.deps or {});
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};
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# the basename used by upstream (without ".tar.xz" suffix)
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mkUrlName = { pname, tlType, ... }:
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pname + lib.optionalString (tlType != "run") ".${tlType}";
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# command to unpack a single TL package
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unpackPkg =
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{ # url ? null, urlPrefix ? null
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sha512, pname, tlType, postUnpack ? "", stripPrefix ? 1, ...
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}@args: let
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url = args.url or "${urlPrefix}/${mkUrlName args}.tar.xz";
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urlPrefix = args.urlPrefix or
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# XXX XXX XXX FIXME: mirror the snapshot XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX
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# ("${mirror}/pub/tex/historic/systems/texlive/${bin.texliveYear}/tlnet-final/archive");
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http://mirror.ctan.org/tex-archive/systems/texlive/tlnet/archive;
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# beware: standard mirrors http://mirror.ctan.org/ don't have releases
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#mirror = "http://ftp.math.utah.edu"; # ftp://tug.ctan.org no longer works, although same IP
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in
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rec {
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src = fetchurl { inherit url sha512; };
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unpackCmd = ''
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tar -xf '${src}' \
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'--strip-components=${toString stripPrefix}' \
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-C "$out" --anchored --exclude=tlpkg --keep-old-files
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'' + postUnpack;
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};
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# create a derivation that contains unpacked upstream TL packages
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mkPkgs = { pname, tlType, version, pkgList }@args:
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/* TODOs:
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- "historic" isn't mirrored; posted a question at #287
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- maybe cache (some) collections? (they don't overlap)
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*/
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let
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tlName = "${mkUrlName args}-${version}";
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fixedHash = fixedHashes.${tlName} or null; # be graceful about missing hashes
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pkgs = map unpackPkg (fastUnique (a: b: a.sha512 < b.sha512) pkgList);
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in runCommand "texlive-${tlName}"
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( { # lots of derivations, not meant to be cached
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preferLocalBuild = true; allowSubstitutes = false;
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passthru = {
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inherit pname tlType version;
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srcs = map (pkg: pkg.src) pkgs;
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};
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} // lib.optionalAttrs (fixedHash != null) {
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outputHash = fixedHash;
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outputHashAlgo = "sha1";
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outputHashMode = "recursive";
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}
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)
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( ''
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mkdir "$out"
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'' + lib.concatMapStrings (pkg: pkg.unpackCmd) pkgs
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);
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# combine a set of TL packages into a single TL meta-package
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combinePkgs = pkgSet: lib.concatLists # uniqueness is handled in `combine`
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(lib.mapAttrsToList (_n: a: a.pkgs) pkgSet);
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# TODO: replace by buitin once it exists
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fastUnique = comparator: list: with lib;
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let un_adj = l: if length l < 2 then l
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else optional (head l != elemAt l 1) (head l) ++ un_adj (tail l);
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in un_adj (lib.sort comparator list);
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in
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tl // {
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inherit bin combine;
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# Pre-defined combined packages for TeX Live schemes,
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# to make nix-env usage more comfortable and build selected on Hydra.
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combined = with lib; recurseIntoAttrs (
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mapAttrs
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(pname: attrs:
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addMetaAttrs rec {
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description = "TeX Live environment for ${pname}";
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platforms = lib.platforms.all;
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hydraPlatforms = lib.optionals
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(lib.elem pname ["scheme-small" "scheme-basic"]) platforms;
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maintainers = [ lib.maintainers.vcunat ];
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}
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(combine {
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${pname} = attrs;
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extraName = "combined" + lib.removePrefix "scheme" pname;
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})
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)
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{ inherit (tl) scheme-full
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scheme-tetex scheme-medium scheme-small scheme-basic scheme-minimal
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scheme-context scheme-gust scheme-xml;
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}
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);
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}
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