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Run composer2nix

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This commit is contained in:
Oliver Davies 2025-08-15 16:20:55 +01:00
parent d415966d94
commit 988e5ee5e6
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1
nix/composer2nix/.gitignore vendored
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/result
/vendor/ /vendor/

244
nix/composer2nix/composer-env.nix Normal file
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# This file originates from composer2nix
{ stdenv, lib, writeTextFile, fetchurl, php, unzip, phpPackages }:
let
inherit (phpPackages) composer;
filterSrc = src:
builtins.filterSource (path: type: type != "directory" || (baseNameOf path != ".git" && baseNameOf path != ".git" && baseNameOf path != ".svn")) src;
buildZipPackage = { name, src }:
stdenv.mkDerivation {
inherit name src;
nativeBuildInputs = [ unzip ];
buildCommand = ''
shopt -s dotglob
unzip $src
baseDir=$(find . -type d -mindepth 1 -maxdepth 1)
cd $baseDir
mkdir -p $out
mv * $out
'';
};
buildPackage =
{ name
, src
, packages ? {}
, devPackages ? {}
, buildInputs ? []
, symlinkDependencies ? false
, executable ? false
, removeComposerArtifacts ? false
, postInstall ? ""
, noDev ? false
, composerExtraArgs ? ""
, unpackPhase ? "true"
, buildPhase ? "true"
, ...}@args:
let
reconstructInstalled = writeTextFile {
name = "reconstructinstalled.php";
executable = true;
text = ''
#! ${php}/bin/php
<?php
if(file_exists($argv[1]))
{
$composerLockStr = file_get_contents($argv[1]);
if($composerLockStr === false)
{
fwrite(STDERR, "Cannot open composer.lock contents\n");
exit(1);
}
else
{
$config = json_decode($composerLockStr, true);
if(array_key_exists("packages", $config))
$allPackages = $config["packages"];
else
$allPackages = array();
${lib.optionalString (!noDev) ''
if(array_key_exists("packages-dev", $config))
$allPackages = array_merge($allPackages, $config["packages-dev"]);
''}
$packagesStr = json_encode($allPackages, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
print($packagesStr);
}
}
else
print("[]");
?>
'';
};
constructBin = writeTextFile {
name = "constructbin.php";
executable = true;
text = ''
#! ${php}/bin/php
<?php
$composerJSONStr = file_get_contents($argv[1]);
if($composerJSONStr === false)
{
fwrite(STDERR, "Cannot open composer.json contents\n");
exit(1);
}
else
{
$config = json_decode($composerJSONStr, true);
if(array_key_exists("bin-dir", $config))
$binDir = $config["bin-dir"];
else
$binDir = "bin";
if(array_key_exists("bin", $config))
{
if(!file_exists("vendor/".$binDir))
mkdir("vendor/".$binDir);
foreach($config["bin"] as $bin)
symlink("../../".$bin, "vendor/".$binDir."/".basename($bin));
}
}
?>
'';
};
bundleDependencies = dependencies:
lib.concatMapStrings (dependencyName:
let
dependency = dependencies.${dependencyName};
in
''
${if dependency.targetDir == "" then ''
vendorDir="$(dirname ${dependencyName})"
mkdir -p "$vendorDir"
${if symlinkDependencies then
''ln -s "${dependency.src}" "$vendorDir/$(basename "${dependencyName}")"''
else
''cp -av "${dependency.src}" "$vendorDir/$(basename "${dependencyName}")"''
}
'' else ''
namespaceDir="${dependencyName}/$(dirname "${dependency.targetDir}")"
mkdir -p "$namespaceDir"
${if symlinkDependencies then
''ln -s "${dependency.src}" "$namespaceDir/$(basename "${dependency.targetDir}")"''
else
''cp -av "${dependency.src}" "$namespaceDir/$(basename "${dependency.targetDir}")"''
}
''}
'') (builtins.attrNames dependencies);
extraArgs = removeAttrs args [ "packages" "devPackages" "buildInputs" ];
in
stdenv.mkDerivation ({
buildInputs = [ php composer ] ++ buildInputs;
inherit unpackPhase buildPhase;
installPhase = ''
${if executable then ''
mkdir -p $out/share/php
cp -av $src $out/share/php/$name
chmod -R u+w $out/share/php/$name
cd $out/share/php/$name
'' else ''
cp -av $src $out
chmod -R u+w $out
cd $out
''}
# Remove unwanted files
rm -f *.nix
export HOME=$TMPDIR
# Remove the provided vendor folder if it exists
rm -Rf vendor
# If there is no composer.lock file, compose a dummy file.
# Otherwise, composer attempts to download the package.json file from
# the registry which we do not want.
if [ ! -f composer.lock ]
then
cat > composer.lock <<EOF
{
"packages": []
}
EOF
fi
# Reconstruct the installed.json file from the lock file
mkdir -p vendor/composer
${php}/bin/php ${reconstructInstalled} composer.lock > vendor/composer/installed.json
# Copy or symlink the provided dependencies
cd vendor
${bundleDependencies packages}
${lib.optionalString (!noDev) (bundleDependencies devPackages)}
cd ..
# Reconstruct autoload scripts
# We use the optimize feature because Nix packages cannot change after they have been built
# Using the dynamic loader for a Nix package is useless since there is nothing to dynamically reload.
composer dump-autoload --optimize ${lib.optionalString noDev "--no-dev"} ${composerExtraArgs}
# Run the install step as a validation to confirm that everything works out as expected
composer install --optimize-autoloader ${lib.optionalString noDev "--no-dev"} ${composerExtraArgs}
${lib.optionalString executable ''
# Reconstruct the bin/ folder if we deploy an executable project
${php}/bin/php ${constructBin} composer.json
ln -s $(pwd)/vendor/bin $out/bin
''}
${lib.optionalString (!symlinkDependencies) ''
# Patch the shebangs if possible
if [ -d $(pwd)/vendor/bin ]
then
# Look for all executables in bin/
for i in $(pwd)/vendor/bin/*
do
# Look for their location
realFile=$(readlink -f "$i")
# Restore write permissions
chmod u+wx "$(dirname "$realFile")"
chmod u+w "$realFile"
# Patch shebang
sed -e "s|#!/usr/bin/php|#!${php}/bin/php|" \
-e "s|#!/usr/bin/env php|#!${php}/bin/php|" \
"$realFile" > tmp
mv tmp "$realFile"
chmod u+x "$realFile"
done
fi
''}
if [ "$removeComposerArtifacts" = "1" ]
then
# Remove composer stuff
rm -f composer.json composer.lock
fi
# Execute post install hook
runHook postInstall
'';
} // extraArgs);
in
{
inherit filterSrc;
composer = lib.makeOverridable composer;
buildZipPackage = lib.makeOverridable buildZipPackage;
buildPackage = lib.makeOverridable buildPackage;
}

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nix/composer2nix/default.nix Normal file
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{pkgs ? import <nixpkgs> {
inherit system;
}, system ? builtins.currentSystem, noDev ? false, php ? pkgs.php, phpPackages ? pkgs.phpPackages}:
let
composerEnv = import ./composer-env.nix {
inherit (pkgs) stdenv lib writeTextFile fetchurl unzip;
inherit php phpPackages;
};
in
import ./php-packages.nix {
inherit composerEnv noDev;
inherit (pkgs) fetchurl fetchgit fetchhg fetchsvn;
}

0
nix/composer2nix/notes.txt Normal file
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105
nix/composer2nix/php-packages.nix Normal file
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{composerEnv, fetchurl, fetchgit ? null, fetchhg ? null, fetchsvn ? null, noDev ? false}:
let
packages = {
"psr/container" = {
targetDir = "";
src = composerEnv.buildZipPackage {
name = "psr-container-c71ecc56dfe541dbd90c5360474fbc405f8d5963";
src = fetchurl {
url = "https://api.github.com/repos/php-fig/container/zipball/c71ecc56dfe541dbd90c5360474fbc405f8d5963";
sha256 = "1mvan38yb65hwk68hl0p7jymwzr4zfnaxmwjbw7nj3rsknvga49i";
};
};
};
"symfony/console" = {
targetDir = "";
src = composerEnv.buildZipPackage {
name = "symfony-console-5f360ebc65c55265a74d23d7fe27f957870158a1";
src = fetchurl {
url = "https://api.github.com/repos/symfony/console/zipball/5f360ebc65c55265a74d23d7fe27f957870158a1";
sha256 = "0y4lq8hd71pg2jwfkrmzhcy85z2rpc05wk43x9sq20pdw312fg0d";
};
};
};
"symfony/deprecation-contracts" = {
targetDir = "";
src = composerEnv.buildZipPackage {
name = "symfony-deprecation-contracts-63afe740e99a13ba87ec199bb07bbdee937a5b62";
src = fetchurl {
url = "https://api.github.com/repos/symfony/deprecation-contracts/zipball/63afe740e99a13ba87ec199bb07bbdee937a5b62";
sha256 = "1blzjsmk38b36l15khbx2qs3c6xqmfp32l9xxq3305ifshw7ldby";
};
};
};
"symfony/polyfill-ctype" = {
targetDir = "";
src = composerEnv.buildZipPackage {
name = "symfony-polyfill-ctype-a3cc8b044a6ea513310cbd48ef7333b384945638";
src = fetchurl {
url = "https://api.github.com/repos/symfony/polyfill-ctype/zipball/a3cc8b044a6ea513310cbd48ef7333b384945638";
sha256 = "1gwalz2r31bfqldkqhw8cbxybmc1pkg74kvg07binkhk531gjqdn";
};
};
};
"symfony/polyfill-intl-grapheme" = {
targetDir = "";
src = composerEnv.buildZipPackage {
name = "symfony-polyfill-intl-grapheme-b9123926e3b7bc2f98c02ad54f6a4b02b91a8abe";
src = fetchurl {
url = "https://api.github.com/repos/symfony/polyfill-intl-grapheme/zipball/b9123926e3b7bc2f98c02ad54f6a4b02b91a8abe";
sha256 = "06kbz2rqp0kyxpry055pciv02ihl7vgygigqhdqqy6q7aphg9i9a";
};
};
};
"symfony/polyfill-intl-normalizer" = {
targetDir = "";
src = composerEnv.buildZipPackage {
name = "symfony-polyfill-intl-normalizer-3833d7255cc303546435cb650316bff708a1c75c";
src = fetchurl {
url = "https://api.github.com/repos/symfony/polyfill-intl-normalizer/zipball/3833d7255cc303546435cb650316bff708a1c75c";
sha256 = "0qrq26nw97xfcl0p8x4ria46lk47k73vjjyqiklpw8w5cbibsfxj";
};
};
};
"symfony/polyfill-mbstring" = {
targetDir = "";
src = composerEnv.buildZipPackage {
name = "symfony-polyfill-mbstring-6d857f4d76bd4b343eac26d6b539585d2bc56493";
src = fetchurl {
url = "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/6d857f4d76bd4b343eac26d6b539585d2bc56493";
sha256 = "0g9a4jdc0gf7vilvz1yfyzj83bisaqa6j4sz0j9arwjzlc1p2708";
};
};
};
"symfony/service-contracts" = {
targetDir = "";
src = composerEnv.buildZipPackage {
name = "symfony-service-contracts-f021b05a130d35510bd6b25fe9053c2a8a15d5d4";
src = fetchurl {
url = "https://api.github.com/repos/symfony/service-contracts/zipball/f021b05a130d35510bd6b25fe9053c2a8a15d5d4";
sha256 = "0gg6vg2x75gn5krzm99bkmk2xpc3n2i2xsi45gf3crgdyrh7mb37";
};
};
};
"symfony/string" = {
targetDir = "";
src = composerEnv.buildZipPackage {
name = "symfony-string-42f505aff654e62ac7ac2ce21033818297ca89ca";
src = fetchurl {
url = "https://api.github.com/repos/symfony/string/zipball/42f505aff654e62ac7ac2ce21033818297ca89ca";
sha256 = "02cji47gy7rhrhvmbsg2gvis4875di6d2w89kbz8n2g8w8v2yhay";
};
};
};
};
devPackages = {};
in
composerEnv.buildPackage {
inherit packages devPackages noDev;
name = "composer2nix-example";
src = composerEnv.filterSrc ./.;
executable = false;
symlinkDependencies = false;
meta = {};
}