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What happens if I push all of nixpkgs
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Nix
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164# idea: provide a build environments for your development of preference/* #### examples of use: #### # Add this to your ~/.config/nixpkgs/config.nix: { packageOverrides = pkgs : with pkgs; { sdlEnv = pkgs.myEnvFun { name = "sdl"; nativeBuildInputs = [ cmake pkg-config ]; buildInputs = [ stdenv SDL SDL_image SDL_ttf SDL_gfx SDL_net]; }; }; }
# Then you can install it by: # $ nix-env -i env-sdl # And you can load it simply calling: # $ load-env-sdl # and this will update your env vars to have 'make' and 'gcc' finding the SDL # headers and libs.
##### Another example, more complicated but achieving more: ####### # Make an environment to build nix from source and create ctags (tagfiles can # be extracted from TAG_FILES) from every source package. Here would be a # full ~/.config/nixpkgs/config.nix { packageOverrides = pkgs : with pkgs; with sourceAndTags; let complicatedMyEnv = { name, buildInputs ? [], cTags ? [], extraCmds ? ""}: pkgs.myEnvFun { inherit name; buildInputs = buildInputs ++ map (x : sourceWithTagsDerivation ( (addCTaggingInfo x ).passthru.sourceWithTags ) ) cTags; extraCmds = '' ${extraCmds} HOME=${builtins.getEnv "HOME"} . ~/.bashrc ''; }; in rec { # this is the example we will be using nixEnv = complicatedMyEnv { name = "nix"; buildInputs = [ libtool stdenv perl curl bzip2 openssl db5 autoconf automake zlib ]; }; }; }
# Now we should build our newly defined custom environment using this command on a shell, so type: # $ nix-env -i env-nix
# You can load the environment simply typing a "load-env-${name}" command. # $ load-env-nix # The result using that command should be: # env-nix loaded and show you a shell with a prefixed prompt.*/
{ mkDerivation, replaceVars, pkgs,}:{ stdenv ? pkgs.stdenv, name, buildInputs ? [ ], propagatedBuildInputs ? [ ], extraCmds ? "", cleanupCmds ? "", shell ? "${pkgs.bashInteractive}/bin/bash --norc",}:
mkDerivation { inherit buildInputs propagatedBuildInputs;
name = "env-${name}"; phases = [ "buildPhase" "fixupPhase" ]; setupNew = ../../stdenv/generic/setup.sh;
buildPhase = let initialPath = import ../../stdenv/generic/common-path.nix { inherit pkgs; }; in '' set -x mkdir -p "$out/dev-envs" "$out/nix-support" "$out/bin" s="$out/nix-support/setup-new-modified" # shut some warning up.., do not use set -e sed -e 's@set -eu@@' \ -e 's@assertEnvExists\s\+NIX_STORE@:@' \ -e 's@trap.*@@' \ -e '1i initialPath="${toString initialPath}"' \ "$setupNew" > "$s" cat >> "$out/dev-envs/''${name/env-/}" << EOF defaultNativeBuildInputs="$defaultNativeBuildInputs" buildInputs="$buildInputs" propagatedBuildInputs="$propagatedBuildInputs" # the setup-new script wants to write some data to a temp file.. so just let it do that and tidy up afterwards tmp="\$("${pkgs.coreutils}/bin/mktemp" -d)" NIX_BUILD_TOP="\$tmp" phases= # only do all the setup stuff in nix-support/* set +e # This prevents having -rpath /lib in NIX_LDFLAGS export NIX_NO_SELF_RPATH=1 if [[ -z "\$ZSH_VERSION" ]]; then source "$s" else setopt interactivecomments # fix bash indirection # let's hope the bash arrays aren't used # substitute is using bash array, so skip it echo ' setopt NO_BAD_PATTERN setopt NO_BANG_HIST setopt NO_BG_NICE setopt NO_EQUALS setopt NO_FUNCTION_ARGZERO setopt GLOB_SUBST setopt NO_HUP setopt INTERACTIVE_COMMENTS setopt KSH_ARRAYS setopt NO_MULTIOS setopt NO_NOMATCH setopt RM_STAR_SILENT setopt POSIX_BUILTINS setopt SH_FILE_EXPANSION setopt SH_GLOB setopt SH_OPTION_LETTERS setopt SH_WORD_SPLIT ' >> "\$tmp/script" sed -e 's/\''${!\([^}]*\)}/\''${(P)\1}/g' \ -e 's/[[]\*\]//' \ -e 's/substitute() {/ substitute() { return; /' \ -e 's@PATH=\$@PATH=${pkgs.coreutils}/bin@' \ "$s" >> "\$tmp/script" echo "\$tmp/script"; source "\$tmp/script"; fi ${pkgs.coreutils}/bin/rm -fr "\$tmp" ${extraCmds}
nix_cleanup() { : ${cleanupCmds} }
export PATH echo $name loaded >&2
trap nix_cleanup EXIT EOF
mkdir -p $out/bin sed -e 's,@shell@,${shell},' -e s,@myenvpath@,$out/dev-envs/${name}, \ -e 's,@name@,${name},' ${./loadenv.sh} > $out/bin/load-env-${name} chmod +x $out/bin/load-env-${name} '';}