a59e625bb4
If the environment provides the variable (as NixOS does when the i18n option is set), keep it rather than overriding unconditionally. Fixes https://github.com/NixOS/nixpkgs/issues/354887
221 lines
7.9 KiB
Nix
221 lines
7.9 KiB
Nix
{ lib
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, stdenv
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, runCommandLocal
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, buildEnv
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, writeText
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, writeShellScriptBin
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, pkgs
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, pkgsi686Linux
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}:
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{ profile ? ""
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, targetPkgs ? pkgs: []
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, multiPkgs ? pkgs: []
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, multiArch ? false # Whether to include 32bit packages
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, includeClosures ? false # Whether to include closures of all packages
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, nativeBuildInputs ? []
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, extraBuildCommands ? ""
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, extraBuildCommandsMulti ? ""
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, extraOutputsToInstall ? []
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, ... # for name, or pname+version
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} @ args:
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# HOWTO:
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# All packages (most likely programs) returned from targetPkgs will only be
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# installed once--matching the host's architecture (64bit on x86_64 and 32bit on
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# x86).
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#
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# Packages (most likely libraries) returned from multiPkgs are installed
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# once on x86 systems and twice on x86_64 systems.
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# On x86 they are merged with packages from targetPkgs.
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# On x86_64 they are added to targetPkgs and in addition their 32bit
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# versions are also installed. The final directory structure looks as
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# follows:
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# /lib32 will include 32bit libraries from multiPkgs
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# /lib64 will include 64bit libraries from multiPkgs and targetPkgs
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# /lib will link to /lib64
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let
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name = if (args ? pname && args ? version)
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then "${args.pname}-${args.version}"
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else args.name;
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# "use of glibc_multi is only supported on x86_64-linux"
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isMultiBuild = multiArch && stdenv.system == "x86_64-linux";
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# list of packages (usually programs) which match the host's architecture
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# (which includes stuff from multiPkgs)
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targetPaths = targetPkgs pkgs ++ (if multiPkgs == null then [] else multiPkgs pkgs);
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# list of packages which are for x86 (only multiPkgs, only for x86_64 hosts)
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multiPaths = multiPkgs pkgsi686Linux;
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# base packages of the fhsenv
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# these match the host's architecture, glibc_multi is used for multilib
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# builds. glibcLocales must be before glibc or glibc_multi as otherwiese
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# the wrong LOCALE_ARCHIVE will be used where only C.UTF-8 is available.
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baseTargetPaths = with pkgs; [
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glibcLocales
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(if isMultiBuild then glibc_multi else glibc)
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gcc.cc.lib
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bashInteractiveFHS
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coreutils
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less
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shadow
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su
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gawk
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diffutils
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findutils
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gnused
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gnugrep
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gnutar
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gzip
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bzip2
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xz
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];
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baseMultiPaths = with pkgsi686Linux; [
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gcc.cc.lib
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];
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ldconfig = writeShellScriptBin "ldconfig" ''
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# due to a glibc bug, 64-bit ldconfig complains about patchelf'd 32-bit libraries, so we use 32-bit ldconfig when we have them
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exec ${if isMultiBuild then pkgsi686Linux.glibc.bin else pkgs.glibc.bin}/bin/ldconfig -f /etc/ld.so.conf -C /etc/ld.so.cache "$@"
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'';
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etcProfile = pkgs.writeTextFile {
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name = "${name}-fhsenv-profile";
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destination = "/etc/profile";
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text = ''
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export PS1='${name}-fhsenv:\u@\h:\w\$ '
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export LOCALE_ARCHIVE="''${LOCALE_ARCHIVE:-/usr/lib/locale/locale-archive}"
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export PATH="/run/wrappers/bin:/usr/bin:/usr/sbin:$PATH"
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export TZDIR='/etc/zoneinfo'
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# XDG_DATA_DIRS is used by pressure-vessel (steam proton) and vulkan loaders to find the corresponding icd
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export XDG_DATA_DIRS=$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}/run/opengl-driver/share:/run/opengl-driver-32/share
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# Following XDG spec [1], XDG_DATA_DIRS should default to "/usr/local/share:/usr/share".
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# In nix, it is commonly set without containing these values, so we add them as fallback.
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#
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# [1] <https://specifications.freedesktop.org/basedir-spec/latest>
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case ":$XDG_DATA_DIRS:" in
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*:/usr/local/share:*) ;;
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*) export XDG_DATA_DIRS="$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}/usr/local/share" ;;
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esac
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case ":$XDG_DATA_DIRS:" in
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*:/usr/share:*) ;;
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*) export XDG_DATA_DIRS="$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}/usr/share" ;;
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esac
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# Force compilers and other tools to look in default search paths
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unset NIX_ENFORCE_PURITY
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export NIX_BINTOOLS_WRAPPER_TARGET_HOST_${stdenv.cc.suffixSalt}=1
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export NIX_CC_WRAPPER_TARGET_HOST_${stdenv.cc.suffixSalt}=1
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export NIX_CFLAGS_COMPILE='-idirafter /usr/include'
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export NIX_CFLAGS_LINK='-L/usr/lib -L/usr/lib32'
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export NIX_LDFLAGS='-L/usr/lib -L/usr/lib32'
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export PKG_CONFIG_PATH=/usr/lib/pkgconfig
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export ACLOCAL_PATH=/usr/share/aclocal
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# GStreamer searches for plugins relative to its real binary's location
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# https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/bd97973ce0f2c5495bcda5cccd4f7ef7dcb7febc
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export GST_PLUGIN_SYSTEM_PATH_1_0=/usr/lib/gstreamer-1.0:/usr/lib32/gstreamer-1.0
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${profile}
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'';
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};
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ensureGsettingsSchemasIsDirectory = runCommandLocal "fhsenv-ensure-gsettings-schemas-directory" {} ''
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mkdir -p $out/share/glib-2.0/schemas
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touch $out/share/glib-2.0/schemas/.keep
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'';
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# Shamelessly stolen (and cleaned up) from original buildEnv.
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# Should be semantically equivalent, except we also take
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# a list of default extra outputs that will be installed
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# for derivations that don't explicitly specify one.
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# Note that this is not the same as `extraOutputsToInstall`,
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# as that will apply even to derivations with an output
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# explicitly specified, so this does change the behavior
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# very slightly for that particular edge case.
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pickOutputs = let
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pickOutputsOne = outputs: drv:
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let
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isSpecifiedOutput = drv.outputSpecified or false;
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outputsToInstall = drv.meta.outputsToInstall or null;
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pickedOutputs = if isSpecifiedOutput || outputsToInstall == null
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then [ drv ]
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else map (out: drv.${out} or null) (outputsToInstall ++ outputs);
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extraOutputs = map (out: drv.${out} or null) extraOutputsToInstall;
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cleanOutputs = lib.filter (o: o != null) (pickedOutputs ++ extraOutputs);
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in {
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paths = cleanOutputs;
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priority = drv.meta.priority or lib.meta.defaultPriority;
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};
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in paths: outputs: map (pickOutputsOne outputs) paths;
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paths = let
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basePaths = [
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etcProfile
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# ldconfig wrapper must come first so it overrides the original ldconfig
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ldconfig
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# magic package that just creates a directory, to ensure that
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# the entire directory can't be a symlink, as we will write
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# compiled schemas to it
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ensureGsettingsSchemasIsDirectory
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] ++ baseTargetPaths ++ targetPaths;
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in pickOutputs basePaths ["out" "lib" "bin"];
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paths32 = lib.optionals isMultiBuild (
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let
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basePaths = baseMultiPaths ++ multiPaths;
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in pickOutputs basePaths ["out" "lib"]
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);
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allPaths = paths ++ paths32;
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rootfs-builder = pkgs.rustPlatform.buildRustPackage {
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name = "fhs-rootfs-bulder";
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src = ./rootfs-builder;
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cargoLock.lockFile = ./rootfs-builder/Cargo.lock;
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doCheck = false;
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};
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rootfs = pkgs.runCommand "${name}-fhsenv-rootfs" {
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__structuredAttrs = true;
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exportReferencesGraph.graph = lib.concatMap (p: p.paths) allPaths;
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inherit paths paths32 isMultiBuild includeClosures;
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nativeBuildInputs = [ pkgs.jq ];
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} ''
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${rootfs-builder}/bin/rootfs-builder
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# create a bunch of symlinks for usrmerge
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ln -s /usr/bin $out/bin
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ln -s /usr/sbin $out/sbin
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ln -s /usr/lib $out/lib
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ln -s /usr/lib32 $out/lib32
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ln -s /usr/lib64 $out/lib64
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ln -s /usr/lib64 $out/usr/lib
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# symlink 32-bit ld-linux so it's visible in /lib
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if [ -e $out/usr/lib32/ld-linux.so.2 ]; then
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ln -s /usr/lib32/ld-linux.so.2 $out/usr/lib64/ld-linux.so.2
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fi
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# symlink /etc/mtab -> /proc/mounts (compat for old userspace progs)
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ln -s /proc/mounts $out/etc/mtab
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if [[ -d $out/usr/share/gsettings-schemas/ ]]; then
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for d in $out/usr/share/gsettings-schemas/*; do
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# Force symlink, in case there are duplicates
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ln -fsr $d/glib-2.0/schemas/*.xml $out/usr/share/glib-2.0/schemas
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ln -fsr $d/glib-2.0/schemas/*.gschema.override $out/usr/share/glib-2.0/schemas
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done
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${pkgs.glib.dev}/bin/glib-compile-schemas $out/usr/share/glib-2.0/schemas
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fi
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${extraBuildCommands}
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${lib.optionalString isMultiBuild extraBuildCommandsMulti}
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'';
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in rootfs
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