Raise minimum composer version constraint to match lock file

composer-raise-version-constraints.sh

#!/usr/bin/env php
<?php

// Raise minimum dependency version to that within the lock file
// Be sure to update lock file hash with composer update --lock

$composerJsonPlain = file_get_contents('composer.json');
$composerJson = json_decode($composerJsonPlain, true);
$lockJson = json_decode(file_get_contents('composer.lock'), true);

$lockIndex = [];
foreach ($lockJson['packages'] as $package) {
  $lockIndex[$package['name']] = $package;
}

const CONSTRAINT_LOOSE = 'loose';
const CONSTRAINT_WILD = 'wild';

$replaceConstraints = [];
foreach ($composerJson['require'] as $packageName => $constraint) {
  $split = explode('.', $constraint);
  if ($constraint[0] === '^') {
    $updateCount = count($split) - 1;
  } else if ($constraint[0] === '~') {
    $updateCount = 1;
  } else {
    echo 'Unsupported constraint for ', $packageName, ' of ', $constraint, PHP_EOL;
    continue;
  }

  if (empty($lockIndex[$packageName])) {
    echo 'Package ', $packageName, ' with loose constraint ', $constraint, ' is not installed', PHP_EOL;
    continue;
  }

  $installedVersion = $lockIndex[$packageName]['version'];

  $stability = '';
  $matches = null;
  if (preg_match('/-([A-Za-z]+)/', $installedVersion, $matches)) {
    if ($matches[1] === 'rc') {
      $matches[1] = 'RC';
    }
    $stability = '@' . $matches[1];
  }

  $lockSplit = explode('.', $installedVersion, count($split) + 1);
  if (count($lockSplit) < count($split)) {
    echo 'Package ', $packageName, ' with loose constraint ', $constraint, ' is installed as ', $installedVersion, ' with an unexpected number of parts', PHP_EOL;
    continue;
  } else if (count($lockSplit) > count($split)) {
    array_pop($lockSplit);
  }
  for ($i = 0; $i < $updateCount; $i++) {
    $split[count($split) - 1 - $i] = $lockSplit[count($split) - 1 - $i];
  }

  $newConstraint = implode('.', $split) . $stability;
  if ($constraint === $newConstraint) {
    continue;
  }

  echo $packageName, ' with ', $constraint, ' is now ', $newConstraint, PHP_EOL;
  $replaceConstraints[$packageName] = $newConstraint;
}

if (empty($replaceConstraints)) {
  exit;
}

$composerJsonPlain = preg_replace_callback(
  '#"require(?:-dev)?"\\s*:\\s*\\{[^\\}]*}#m', function ($matches) use ($replaceConstraints) {
    foreach ($replaceConstraints as $packageName => $newConstraint) {
      $matches[0] = preg_replace('#("' . preg_quote($packageName, '#') . '"\\s*:\\s*")[^"]+(")#m', '${1}' . $newConstraint . '${2}', $matches[0]);
    }
    return $matches[0];
  },
  $composerJsonPlain
);

file_put_contents('composer.json', $composerJsonPlain);