c62337d9c7
- Lua packages now consistently use LUA_PATH/LUA_CPATH rather than a mix
of those and NIX_LUA_PATH/NIX_LUA_CPATH
- Lua libraries are now consistently only added to the search path
variables if:
1) The library actually has a corresponding directory to search
2) The library is not already present in the search path
This should help prevent the search paths from growing overly large
- Fixed bugs in some path helpers
- Changed the affected shell script indentation to 2 spaces; nixpkgs
shell scripts are inconsistently split between 2 and 4 space
indentation, but 2 matches better with the Nix expressions, so IMO it
makes more sense
72 lines
2 KiB
Nix
72 lines
2 KiB
Nix
{ stdenv, lua, buildEnv, makeWrapper
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, extraLibs ? []
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, extraOutputsToInstall ? []
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, postBuild ? ""
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, ignoreCollisions ? false
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, requiredLuaModules
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, makeWrapperArgs ? []
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}:
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# Create a lua executable that knows about additional packages.
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let
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env = let
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paths = requiredLuaModules (extraLibs ++ [ lua ] );
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in buildEnv {
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name = "${lua.name}-env";
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inherit paths;
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inherit ignoreCollisions;
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extraOutputsToInstall = [ "out" ] ++ extraOutputsToInstall;
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# we create wrapper for the binaries in the different packages
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postBuild = ''
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. "${makeWrapper}/nix-support/setup-hook"
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# get access to lua functions
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. ${lua}/nix-support/setup-hook
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if [ -L "$out/bin" ]; then
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unlink "$out/bin"
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fi
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mkdir -p "$out/bin"
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addToLuaPath "$out"
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# take every binary from lua packages and put them into the env
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for path in ${stdenv.lib.concatStringsSep " " paths}; do
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nix_debug "looking for binaries in path = $path"
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if [ -d "$path/bin" ]; then
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cd "$path/bin"
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for prg in *; do
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if [ -f "$prg" ]; then
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rm -f "$out/bin/$prg"
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if [ -x "$prg" ]; then
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nix_debug "Making wrapper $prg"
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makeWrapper "$path/bin/$prg" "$out/bin/$prg" --suffix LUA_PATH ';' "$LUA_PATH" --suffix LUA_CPATH ';' "$LUA_CPATH" ${stdenv.lib.concatStringsSep " " makeWrapperArgs}
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fi
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fi
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done
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fi
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done
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'' + postBuild;
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inherit (lua) meta;
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passthru = lua.passthru // {
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interpreter = "${env}/bin/lua";
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inherit lua;
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env = stdenv.mkDerivation {
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name = "interactive-${lua.name}-environment";
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nativeBuildInputs = [ env ];
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buildCommand = ''
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echo >&2 ""
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echo >&2 "*** lua 'env' attributes are intended for interactive nix-shell sessions, not for building! ***"
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echo >&2 ""
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exit 1
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'';
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};
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};
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};
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in env
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