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