# This file originates from composer2nix
{ stdenv, writeTextFile, fetchurl, php, unzip }:
let
composer = stdenv.mkDerivation {
name = "composer-1.8.0";
src = fetchurl {
url = https://github.com/composer/composer/releases/download/1.8.0/composer.phar;
sha256 = "19pg9ip2mpyf5cyq34fld7qwl77mshqw3c4nif7sxmpnar6sh089";
};
buildInputs = [ php ];
# We must wrap the composer.phar because of the impure shebang.
# We cannot use patchShebangs because the executable verifies its own integrity and will detect that somebody has tampered with it.
buildCommand = ''
# Copy phar file
mkdir -p $out/share/php
cp $src $out/share/php/composer.phar
chmod 755 $out/share/php/composer.phar
# Create wrapper executable
mkdir -p $out/bin
cat > $out/bin/composer <<EOF
#! ${stdenv.shell} -e
exec ${php}/bin/php $out/share/php/composer.phar "\$@"
EOF
chmod +x $out/bin/composer
'';
meta = {
description = "Dependency Manager for PHP";
#license = stdenv.licenses.mit;
maintainers = [ stdenv.lib.maintainers.sander ];
platforms = stdenv.lib.platforms.unix;
};
};
buildZipPackage = { name, src }:
stdenv.mkDerivation {
inherit name src;
buildInputs = [ unzip ];
buildCommand = ''
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 ? ""
, preInstall ? ""
, noDev ? false
, unpackPhase ? "true"
, buildPhase ? "true"
, doRemoveVendor ? 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();
${stdenv.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:
stdenv.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 "${dependencyName}")"''
else
''cp -a "${dependency.src}" "$vendorDir/$(basename "${dependencyName}")"''
}${if dependency.needsModifyRights or false then "\n" + ''
chmod -R u+rwx "$vendorDir/$(basename "${dependencyName}")"
'' else ""}
'' else ''
namespaceDir="${dependencyName}/$(dirname "${dependency.targetDir}")"
mkdir -p "$namespaceDir"
${if symlinkDependencies then
''ln -s "${dependency.src}" "$namespaceDir/$(basename "${dependency.targetDir}")"''
else
''cp -a "${dependency.src}" "$namespaceDir/$(basename "${dependency.targetDir}")"''
}${if dependency.needsModifyRights or false then "\n" + ''
chmod -R u+rwx "$namespaceDir/$(basename "${dependency.targetDir}")"
'' else ""}
''}
'') (builtins.attrNames dependencies);
extraArgs = removeAttrs args [ "name" "packages" "devPackages" "buildInputs" ];
in
stdenv.mkDerivation ({
name = "composer-${name}";
buildInputs = [ php composer ] ++ buildInputs;
inherit unpackPhase buildPhase;
installPhase = ''
${if executable then ''
mkdir -p $out/share/php
cp -a $src $out/share/php/$name
chmod -R u+w $out/share/php/$name
cd $out/share/php/$name
'' else ''
cp -a $src $out
chmod -R u+w $out
cd $out
''}
# Execute pre install hook
runHook preInstall
# Remove unwanted files
rm -f *.nix
export HOME=$TMPDIR
${if doRemoveVendor then ''
# Remove the provided vendor folder if it exists
rm -Rf vendor
'' else ""}
# 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
${reconstructInstalled} composer.lock > vendor/composer/installed.json
# Copy or symlink the provided dependencies
cd vendor
${bundleDependencies packages}
${stdenv.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 ${stdenv.lib.optionalString noDev "--no-dev"}
# Run the install step as a validation to confirm that everything works out as expected
composer install --optimize-autoloader ${stdenv.lib.optionalString noDev "--no-dev"}
${stdenv.lib.optionalString executable ''
# Reconstruct the bin/ folder if we deploy an executable project
${constructBin} composer.json
ln -s $(pwd)/vendor/bin $out/bin
''}
${stdenv.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
{
composer = stdenv.lib.makeOverridable composer;
buildZipPackage = stdenv.lib.makeOverridable buildZipPackage;
buildPackage = stdenv.lib.makeOverridable buildPackage;
}
