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lightspeed-react: init

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This commit is contained in:
Luke Granger-Brown 2021-01-04 15:05:55 +00:00
parent d629a3561c
commit c0245a68ca
7 changed files with 16375 additions and 0 deletions
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1
nix/pkgs/lightspeed/default.nix
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@ -2,4 +2,5 @@
{
lightspeed-ingest = pkgs.callPackage ./lightspeed-ingest { };
lightspeed-webrtc = pkgs.callPackage ./lightspeed-webrtc { };
lightspeed-react = pkgs.callPackage ./lightspeed-react { };
}

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nix/pkgs/lightspeed/lightspeed-react/default.nix Normal file
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{ stdenv, pkgs, fetchgit, nodejs }:
let
nodePackages = import ./node-packages.nix {
inherit pkgs;
inherit (stdenv.hostPlatform) system;
};
lightspeed-react = nodePackages."lightspeed-react-git://github.com/GRVYDEV/Lightspeed-react.git";
in
stdenv.mkDerivation {
pname = "lightspeed-react";
version = "git-20210104-3d3197286672174efcae21ee3d54b13391858cf2";
# We use fetchgit here to match it with the fetch in the nodeDependencies generated code.
src = fetchgit {
url = "git://github.com/GRVYDEV/Lightspeed-react.git";
rev = "3d3197286672174efcae21ee3d54b13391858cf2";
sha256 = "c9422ddb6ec05b9fbe2b371d5c60a2d7353bc9dcbfe6c7dde7d77e770fde2238";
};
buildInputs = [ nodejs ];
patchPhase = ''
find . -name '.DS_Store' -delete
'';
buildPhase = ''
ln -s ${lightspeed-react}/lib/node_modules/lightspeed-react/node_modules ./node_modules
export PATH="${lightspeed-react}/lib/node_modules/lightspeed-react/node_modules/.bin:$PATH"
react-scripts build
'';
installPhase = ''
cp -R build/ $out
'';
}

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nix/pkgs/lightspeed/lightspeed-react/node-env.nix Normal file
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# This file originates from node2nix
{stdenv, nodejs, python2, utillinux, libtool, runCommand, writeTextFile}:
let
python = if nodejs ? python then nodejs.python else python2;
# Create a tar wrapper that filters all the 'Ignoring unknown extended header keyword' noise
tarWrapper = runCommand "tarWrapper" {} ''
mkdir -p $out/bin
cat > $out/bin/tar <<EOF
#! ${stdenv.shell} -e
$(type -p tar) "\$@" --warning=no-unknown-keyword --delay-directory-restore
EOF
chmod +x $out/bin/tar
'';
# Function that generates a TGZ file from a NPM project
buildNodeSourceDist =
{ name, version, src, ... }:
stdenv.mkDerivation {
name = "node-tarball-${name}-${version}";
inherit src;
buildInputs = [ nodejs ];
buildPhase = ''
export HOME=$TMPDIR
tgzFile=$(npm pack | tail -n 1) # Hooks to the pack command will add output (https://docs.npmjs.com/misc/scripts)
'';
installPhase = ''
mkdir -p $out/tarballs
mv $tgzFile $out/tarballs
mkdir -p $out/nix-support
echo "file source-dist $out/tarballs/$tgzFile" >> $out/nix-support/hydra-build-products
'';
};
includeDependencies = {dependencies}:
stdenv.lib.optionalString (dependencies != [])
(stdenv.lib.concatMapStrings (dependency:
''
# Bundle the dependencies of the package
mkdir -p node_modules
cd node_modules
# Only include dependencies if they don't exist. They may also be bundled in the package.
if [ ! -e "${dependency.name}" ]
then
${composePackage dependency}
fi
cd ..
''
) dependencies);
# Recursively composes the dependencies of a package
composePackage = { name, packageName, src, dependencies ? [], ... }@args:
builtins.addErrorContext "while evaluating node package '${packageName}'" ''
DIR=$(pwd)
cd $TMPDIR
unpackFile ${src}
# Make the base dir in which the target dependency resides first
mkdir -p "$(dirname "$DIR/${packageName}")"
if [ -f "${src}" ]
then
# Figure out what directory has been unpacked
packageDir="$(find . -maxdepth 1 -type d | tail -1)"
# Restore write permissions to make building work
find "$packageDir" -type d -exec chmod u+x {} \;
chmod -R u+w "$packageDir"
# Move the extracted tarball into the output folder
mv "$packageDir" "$DIR/${packageName}"
elif [ -d "${src}" ]
then
# Get a stripped name (without hash) of the source directory.
# On old nixpkgs it's already set internally.
if [ -z "$strippedName" ]
then
strippedName="$(stripHash ${src})"
fi
# Restore write permissions to make building work
chmod -R u+w "$strippedName"
# Move the extracted directory into the output folder
mv "$strippedName" "$DIR/${packageName}"
fi
# Unset the stripped name to not confuse the next unpack step
unset strippedName
# Include the dependencies of the package
cd "$DIR/${packageName}"
${includeDependencies { inherit dependencies; }}
cd ..
${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
'';
pinpointDependencies = {dependencies, production}:
let
pinpointDependenciesFromPackageJSON = writeTextFile {
name = "pinpointDependencies.js";
text = ''
var fs = require('fs');
var path = require('path');
function resolveDependencyVersion(location, name) {
if(location == process.env['NIX_STORE']) {
return null;
} else {
var dependencyPackageJSON = path.join(location, "node_modules", name, "package.json");
if(fs.existsSync(dependencyPackageJSON)) {
var dependencyPackageObj = JSON.parse(fs.readFileSync(dependencyPackageJSON));
if(dependencyPackageObj.name == name) {
return dependencyPackageObj.version;
}
} else {
return resolveDependencyVersion(path.resolve(location, ".."), name);
}
}
}
function replaceDependencies(dependencies) {
if(typeof dependencies == "object" && dependencies !== null) {
for(var dependency in dependencies) {
var resolvedVersion = resolveDependencyVersion(process.cwd(), dependency);
if(resolvedVersion === null) {
process.stderr.write("WARNING: cannot pinpoint dependency: "+dependency+", context: "+process.cwd()+"\n");
} else {
dependencies[dependency] = resolvedVersion;
}
}
}
}
/* Read the package.json configuration */
var packageObj = JSON.parse(fs.readFileSync('./package.json'));
/* Pinpoint all dependencies */
replaceDependencies(packageObj.dependencies);
if(process.argv[2] == "development") {
replaceDependencies(packageObj.devDependencies);
}
replaceDependencies(packageObj.optionalDependencies);
/* Write the fixed package.json file */
fs.writeFileSync("package.json", JSON.stringify(packageObj, null, 2));
'';
};
in
''
node ${pinpointDependenciesFromPackageJSON} ${if production then "production" else "development"}
${stdenv.lib.optionalString (dependencies != [])
''
if [ -d node_modules ]
then
cd node_modules
${stdenv.lib.concatMapStrings (dependency: pinpointDependenciesOfPackage dependency) dependencies}
cd ..
fi
''}
'';
# Recursively traverses all dependencies of a package and pinpoints all
# dependencies in the package.json file to the versions that are actually
# being used.
pinpointDependenciesOfPackage = { packageName, dependencies ? [], production ? true, ... }@args:
''
if [ -d "${packageName}" ]
then
cd "${packageName}"
${pinpointDependencies { inherit dependencies production; }}
cd ..
${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
fi
'';
# Extract the Node.js source code which is used to compile packages with
# native bindings
nodeSources = runCommand "node-sources" {} ''
tar --no-same-owner --no-same-permissions -xf ${nodejs.src}
mv node-* $out
'';
# Script that adds _integrity fields to all package.json files to prevent NPM from consulting the cache (that is empty)
addIntegrityFieldsScript = writeTextFile {
name = "addintegrityfields.js";
text = ''
var fs = require('fs');
var path = require('path');
function augmentDependencies(baseDir, dependencies) {
for(var dependencyName in dependencies) {
var dependency = dependencies[dependencyName];
// Open package.json and augment metadata fields
var packageJSONDir = path.join(baseDir, "node_modules", dependencyName);
var packageJSONPath = path.join(packageJSONDir, "package.json");
if(fs.existsSync(packageJSONPath)) { // Only augment packages that exist. Sometimes we may have production installs in which development dependencies can be ignored
console.log("Adding metadata fields to: "+packageJSONPath);
var packageObj = JSON.parse(fs.readFileSync(packageJSONPath));
if(dependency.integrity) {
packageObj["_integrity"] = dependency.integrity;
} else {
packageObj["_integrity"] = "sha1-000000000000000000000000000="; // When no _integrity string has been provided (e.g. by Git dependencies), add a dummy one. It does not seem to harm and it bypasses downloads.
}
if(dependency.resolved) {
packageObj["_resolved"] = dependency.resolved; // Adopt the resolved property if one has been provided
} else {
packageObj["_resolved"] = dependency.version; // Set the resolved version to the version identifier. This prevents NPM from cloning Git repositories.
}
if(dependency.from !== undefined) { // Adopt from property if one has been provided
packageObj["_from"] = dependency.from;
}
fs.writeFileSync(packageJSONPath, JSON.stringify(packageObj, null, 2));
}
// Augment transitive dependencies
if(dependency.dependencies !== undefined) {
augmentDependencies(packageJSONDir, dependency.dependencies);
}
}
}
if(fs.existsSync("./package-lock.json")) {
var packageLock = JSON.parse(fs.readFileSync("./package-lock.json"));
if(packageLock.lockfileVersion !== 1) {
process.stderr.write("Sorry, I only understand lock file version 1!\n");
process.exit(1);
}
if(packageLock.dependencies !== undefined) {
augmentDependencies(".", packageLock.dependencies);
}
}
'';
};
# Reconstructs a package-lock file from the node_modules/ folder structure and package.json files with dummy sha1 hashes
reconstructPackageLock = writeTextFile {
name = "addintegrityfields.js";
text = ''
var fs = require('fs');
var path = require('path');
var packageObj = JSON.parse(fs.readFileSync("package.json"));
var lockObj = {
name: packageObj.name,
version: packageObj.version,
lockfileVersion: 1,
requires: true,
dependencies: {}
};
function augmentPackageJSON(filePath, dependencies) {
var packageJSON = path.join(filePath, "package.json");
if(fs.existsSync(packageJSON)) {
var packageObj = JSON.parse(fs.readFileSync(packageJSON));
dependencies[packageObj.name] = {
version: packageObj.version,
integrity: "sha1-000000000000000000000000000=",
dependencies: {}
};
processDependencies(path.join(filePath, "node_modules"), dependencies[packageObj.name].dependencies);
}
}
function processDependencies(dir, dependencies) {
if(fs.existsSync(dir)) {
var files = fs.readdirSync(dir);
files.forEach(function(entry) {
var filePath = path.join(dir, entry);
var stats = fs.statSync(filePath);
if(stats.isDirectory()) {
if(entry.substr(0, 1) == "@") {
// When we encounter a namespace folder, augment all packages belonging to the scope
var pkgFiles = fs.readdirSync(filePath);
pkgFiles.forEach(function(entry) {
if(stats.isDirectory()) {
var pkgFilePath = path.join(filePath, entry);
augmentPackageJSON(pkgFilePath, dependencies);
}
});
} else {
augmentPackageJSON(filePath, dependencies);
}
}
});
}
}
processDependencies("node_modules", lockObj.dependencies);
fs.writeFileSync("package-lock.json", JSON.stringify(lockObj, null, 2));
'';
};
prepareAndInvokeNPM = {packageName, bypassCache, reconstructLock, npmFlags, production}:
let
forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com";
in
''
# Pinpoint the versions of all dependencies to the ones that are actually being used
echo "pinpointing versions of dependencies..."
source $pinpointDependenciesScriptPath
# Patch the shebangs of the bundled modules to prevent them from
# calling executables outside the Nix store as much as possible
patchShebangs .
# Deploy the Node.js package by running npm install. Since the
# dependencies have been provided already by ourselves, it should not
# attempt to install them again, which is good, because we want to make
# it Nix's responsibility. If it needs to install any dependencies
# anyway (e.g. because the dependency parameters are
# incomplete/incorrect), it fails.
#
# The other responsibilities of NPM are kept -- version checks, build
# steps, postprocessing etc.
export HOME=$TMPDIR
cd "${packageName}"
runHook preRebuild
${stdenv.lib.optionalString bypassCache ''
${stdenv.lib.optionalString reconstructLock ''
if [ -f package-lock.json ]
then
echo "WARNING: Reconstruct lock option enabled, but a lock file already exists!"
echo "This will most likely result in version mismatches! We will remove the lock file and regenerate it!"
rm package-lock.json
else
echo "No package-lock.json file found, reconstructing..."
fi
node ${reconstructPackageLock}
''}
node ${addIntegrityFieldsScript}
''}
npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} rebuild
if [ "''${dontNpmInstall-}" != "1" ]
then
# NPM tries to download packages even when they already exist if npm-shrinkwrap is used.
rm -f npm-shrinkwrap.json
npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${stdenv.lib.optionalString production "--production"} install
fi
'';
# Builds and composes an NPM package including all its dependencies
buildNodePackage =
{ name
, packageName
, version
, dependencies ? []
, buildInputs ? []
, production ? true
, npmFlags ? ""
, dontNpmInstall ? false
, bypassCache ? false
, reconstructLock ? false
, preRebuild ? ""
, dontStrip ? true
, unpackPhase ? "true"
, buildPhase ? "true"
, ... }@args:
let
extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" "dontStrip" "dontNpmInstall" "preRebuild" "unpackPhase" "buildPhase" ];
in
stdenv.mkDerivation ({
name = "node_${name}-${version}";
buildInputs = [ tarWrapper python nodejs ]
++ stdenv.lib.optional (stdenv.isLinux) utillinux
++ stdenv.lib.optional (stdenv.isDarwin) libtool
++ buildInputs;
inherit nodejs;
inherit dontStrip; # Stripping may fail a build for some package deployments
inherit dontNpmInstall preRebuild unpackPhase buildPhase;
compositionScript = composePackage args;
pinpointDependenciesScript = pinpointDependenciesOfPackage args;
passAsFile = [ "compositionScript" "pinpointDependenciesScript" ];
installPhase = ''
# Create and enter a root node_modules/ folder
mkdir -p $out/lib/node_modules
cd $out/lib/node_modules
# Compose the package and all its dependencies
source $compositionScriptPath
${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
# Create symlink to the deployed executable folder, if applicable
if [ -d "$out/lib/node_modules/.bin" ]
then
ln -s $out/lib/node_modules/.bin $out/bin
fi
# Create symlinks to the deployed manual page folders, if applicable
if [ -d "$out/lib/node_modules/${packageName}/man" ]
then
mkdir -p $out/share
for dir in "$out/lib/node_modules/${packageName}/man/"*
do
mkdir -p $out/share/man/$(basename "$dir")
for page in "$dir"/*
do
ln -s $page $out/share/man/$(basename "$dir")
done
done
fi
# Run post install hook, if provided
runHook postInstall
'';
} // extraArgs);
# Builds a development shell
buildNodeShell =
{ name
, packageName
, version
, src
, dependencies ? []
, buildInputs ? []
, production ? true
, npmFlags ? ""
, dontNpmInstall ? false
, bypassCache ? false
, reconstructLock ? false
, dontStrip ? true
, unpackPhase ? "true"
, buildPhase ? "true"
, ... }@args:
let
extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" ];
nodeDependencies = stdenv.mkDerivation ({
name = "node-dependencies-${name}-${version}";
buildInputs = [ tarWrapper python nodejs ]
++ stdenv.lib.optional (stdenv.isLinux) utillinux
++ stdenv.lib.optional (stdenv.isDarwin) libtool
++ buildInputs;
inherit dontStrip; # Stripping may fail a build for some package deployments
inherit dontNpmInstall unpackPhase buildPhase;
includeScript = includeDependencies { inherit dependencies; };
pinpointDependenciesScript = pinpointDependenciesOfPackage args;
passAsFile = [ "includeScript" "pinpointDependenciesScript" ];
installPhase = ''
mkdir -p $out/${packageName}
cd $out/${packageName}
source $includeScriptPath
# Create fake package.json to make the npm commands work properly
cp ${src}/package.json .
chmod 644 package.json
${stdenv.lib.optionalString bypassCache ''
if [ -f ${src}/package-lock.json ]
then
cp ${src}/package-lock.json .
fi
''}
# Go to the parent folder to make sure that all packages are pinpointed
cd ..
${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
# Expose the executables that were installed
cd ..
${stdenv.lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
mv ${packageName} lib
ln -s $out/lib/node_modules/.bin $out/bin
'';
} // extraArgs);
in
stdenv.mkDerivation {
name = "node-shell-${name}-${version}";
buildInputs = [ python nodejs ] ++ stdenv.lib.optional (stdenv.isLinux) utillinux ++ buildInputs;
buildCommand = ''
mkdir -p $out/bin
cat > $out/bin/shell <<EOF
#! ${stdenv.shell} -e
$shellHook
exec ${stdenv.shell}
EOF
chmod +x $out/bin/shell
'';
# Provide the dependencies in a development shell through the NODE_PATH environment variable
inherit nodeDependencies;
shellHook = stdenv.lib.optionalString (dependencies != []) ''
export NODE_PATH=${nodeDependencies}/lib/node_modules
export PATH="${nodeDependencies}/bin:$PATH"
'';
};
in
{
buildNodeSourceDist = stdenv.lib.makeOverridable buildNodeSourceDist;
buildNodePackage = stdenv.lib.makeOverridable buildNodePackage;
buildNodeShell = stdenv.lib.makeOverridable buildNodeShell;
}

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nix/pkgs/lightspeed/lightspeed-react/node-packages-generated.nix Normal file
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3
nix/pkgs/lightspeed/lightspeed-react/node-packages.json Normal file
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@ -0,0 +1,3 @@
[
{ "lightspeed-react": "git://github.com/GRVYDEV/Lightspeed-react.git" }
]

17
nix/pkgs/lightspeed/lightspeed-react/node-packages.nix Normal file
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@ -0,0 +1,17 @@
# This file has been generated by node2nix 1.8.0. Do not edit!
{pkgs ? import <nixpkgs> {
inherit system;
}, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-12_x"}:
let
nodeEnv = import ./node-env.nix {
inherit (pkgs) stdenv python2 utillinux runCommand writeTextFile;
inherit nodejs;
libtool = if pkgs.stdenv.isDarwin then pkgs.darwin.cctools else null;
};
in
import ./node-packages-generated.nix {
inherit (pkgs) fetchurl fetchgit;
inherit nodeEnv;
}

6
nix/pkgs/lightspeed/lightspeed-react/regenerate.sh Executable file
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#!/usr/bin/env nix-shell
#! nix-shell -i bash -p nodePackages.node2nix
exec node2nix \
--input node-packages.json \
--output node-packages-generated.nix \
--composition node-packages.nix