git composer.lock differ

.gitattributes

/composer.lock -merge diff=composer.lock

.gitconfig

[diff "composer.lock"]
	textconv = bin/scripts/git-diff-composer.php
	cachetextconv = true

git-diff-composer.php

#!/usr/bin/env php
<?php
# Usage: add following line to .gitattributes
#   /composer.lock -merge diff=composer.lock
# and register this diff engine in your git config
# (I suggest setting this per project at .git/config)
#   [diff "composer.lock"]
#      textconv = bin/scripts/git-diff-composer.php
#      cachetextconv = TRUE

$lock = json_decode(file_get_contents($argv[1]));

$packages = [];
foreach ($lock->packages as $package) {
	$version = str_pad($package->version, 10, ' ');
	$ref = $package->source->reference;

	$packages[$package->name] = "$version $ref";
}

ksort($packages);
foreach ($packages as $name => $version) {
	echo "$name\n  $version\n";
}

Po:

#### Před: