12 changed files with 150 additions and 211 deletions
--- a/.github/workflows/Deploy.yml
+++ b/.github/workflows/Deploy.yml
@ -1,30 +0,0 @@
-name: Deploy
-
-on:
-    push:
-        branches:
-            - master
-
-jobs:
-    test:
-        runs-on: ubuntu-latest
-
-        steps:
-            -   uses: actions/checkout@v2
-
-            -   name: Cache Composer packages
-                id: composer-cache
-                uses: actions/cache@v2
-                with:
-                    path: vendor
-                    key: ${{ runner.os }}-node-${{ hashFiles('**/composer.lock') }}
-                    restore-keys: |
-                        ${{ runner.os }}-node-
-
-            -   name: Build and push Docker images
-                uses: docker/build-push-action@v1
-                with:
-                    username: ${{ secrets.DOCKER_USERNAME }}
-                    password: ${{ secrets.DOCKER_PASSWORD }}
-                    repository: pmsipilot/docker-compose-viz
-                    tag_with_ref: true
--- a/.github/workflows/Test.yml
+++ b/.github/workflows/Test.yml
@ -1,43 +0,0 @@
-name: Test
-
-on:
-    push:
-        branches:
-            - master
-    pull_request:
-        branches:
-            - master
-
-jobs:
-    test:
-        runs-on: ubuntu-latest
-
-        steps:
-            -   uses: actions/checkout@v2
-
-            -   name: Validate composer.json
-                run: composer validate --ansi --strict
-
-            -   name: Cache Composer packages
-                id: composer-cache
-                uses: actions/cache@v2
-                with:
-                    path: vendor
-                    key: ${{ runner.os }}-node-${{ hashFiles('**/composer.lock') }}
-                    restore-keys: |
-                        ${{ runner.os }}-node-
-
-            -   name: Install dependencies
-                if: steps.composer-cache.outputs.cache-hit != 'true'
-                run: composer install --prefer-dist --no-progress --no-suggest
-
-            -   name: Unit tests
-                run: composer run ut
-
-            -   name: Coding style
-                run: composer run cst
-
-            -   name: Build and push Docker images
-                uses: docker/build-push-action@v1
-                with:
-                    push: false
--- a/.php_cs
+++ b/.php_cs
@ -1,18 +1,15 @@
 <?php

-$finder = PhpCsFixer\Finder::create()
+use PhpCsFixer as CS;
+
+$finder = CS\Finder::create()
    ->in(__DIR__.DIRECTORY_SEPARATOR.'src')
    ->in(__DIR__.DIRECTORY_SEPARATOR.'spec')
 ;

-return (new PhpCsFixer\Config())
+return CS\Config::create()
    ->setRules([
-        '@PSR2' => true,
        '@Symfony' => true,
-        'array_syntax' => ['syntax' => 'short'],
-        'no_useless_else' => true,
-        'no_useless_return' => true,
-        'ordered_class_elements' => true,
    ])
    ->setFinder($finder)
 ;
--- a/.travis.yml
+++ b/.travis.yml
@ -0,0 +1,54 @@
+language: php
+
+sudo: required
+
+services:
+    - docker
+
+php:
+    - 7.0
+    - 7.1
+    - 7.2
+    - nightly
+
+env:
+    matrix:
+        - COMPOSERFLAGS=
+        - COMPOSERFLAGS=--prefer-lowest
+        - COMPOSERFLAGS=--prefer-stable
+
+    global:
+        # DOCKER_EMAIL
+        - secure: JAbpFtQJovMT1IqHJmSlVI3xQpLUoqDlbYXUgExK99dH7+GH78Rd6CgjCo5fDAw5KW4zBoTJut7BWv+qdF1j9qpUEXlxB6dEwKdLHCCM8M9p+BddkaZUWF9kG+4pC1h6AeDeWi7Q77TzrOX7VAP1UubFOPItRNayF99zCJH6ioh8qnHNi2XHedIagMW4PGLp6HmTuyhzdF6RVEXcCos2fpkx5wzcjALb/ffN8A0dqtfELRvs6bjaQZ1ktmNjd3fSnQOtGO14VOei8E58e4roZNdDHMoIxzeqaM+bphsTZvHne4DAZEn3wU2iguzXLZMCAgF336Inu+t2Rjv4UDLcPeppMrYA+02Ww0kbCXcIQx4Og0Un54SY5qdIHZtnTXA+SAFr+5r+T80p29Tlp9cUfxaHWFynDEEDWx7minAATweSQU50ipPnAkge1WY/ADSN1EARqM2GYVQYLvddIaTSIbnq37MnlncWL+jkcQ0cL83xidYd7JnQ7/gZJf9MzeZzMVXrY+2VYL1WOrv1uwmVi30bpQss1D7IVVtN5iBlB2ciph+iHdvkhv6f8ji9xZmWkotfDzsRoZg7csDAVgliz55QkJYKeWDoiW7kb1i+pIsgmrdEonPMg7NHjSqIIkrwI89016Tsx4LH1t2sRRYW8Z7wuVhW3VcJD+CnkhAWvLc=
+        # DOCKER_USER
+        - secure: "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"
+        # DOCKER_PASS
+        - secure: "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"
+
+matrix:
+    exclude:
+        - php: 7.0
+          env: COMPOSERFLAGS=
+        - php: 7.1
+          env: COMPOSERFLAGS=--prefer-lowest
+        - php: 7.2
+          env: COMPOSERFLAGS=--prefer-lowest
+        - php: nightly
+          env: COMPOSERFLAGS=--prefer-lowest
+    allow_failures:
+        - php: nightly
+
+script:
+    - make test
+
+deploy:
+    - provider: script
+      script: ci/deploy.sh
+      on:
+          php: 7.1
+          all_branches: master
+    - provider: script
+      script: ci/deploy.sh
+      on:
+          php: 7.1
+          tags: true
--- a/16
+++ b/16
@ -1,16 +1,4 @@
-FROM php:7.4-alpine as builder
-
-COPY composer.json /dcv/composer.json
-COPY composer.lock /dcv/composer.lock
-
-WORKDIR /dcv
-
-RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" && \
-    php composer-setup.php && \
-    php -r "unlink('composer-setup.php');" && \
-    php composer.phar install --prefer-dist
-
-FROM php:7.4-alpine
+FROM php:7.1-alpine

 RUN apk update && \
    apk add graphviz ttf-dejavu && \
@ -20,7 +8,7 @@ RUN apk update && \

 COPY bin/    /dcv/bin
 COPY src/    /dcv/src
-COPY --from=builder /dcv/vendor /dcv/vendor
+COPY vendor/ /dcv/vendor

 RUN chmod +x /dcv/bin/dcv

--- a/2
+++ b/2
@ -1,5 +1,5 @@
 The MIT License (MIT)
-Copyright (c) 2020 PMSIpilot
+Copyright (c) 2016 PMSIpilot

 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
--- a/12
+++ b/12
@ -12,23 +12,29 @@ docker: docker.lock
 test: vendor unit cs

 unit: vendor
-	$(COMPOSER) run ut
+	$(PHP) bin/kahlan --pattern='*.php' --reporter=verbose --persistent=false --cc=true

 cs:
-	$(COMPOSER) run cst
+	$(PHP) bin/php-cs-fixer fix --dry-run

 fix-cs:
-	$(COMPOSER) run cs
+	$(PHP) bin/php-cs-fixer fix

 clean:
 	rm -rf vendor/

 docker.lock: Dockerfile bin/entrypoint.sh vendor src/application.php src/functions.php
+	$(COMPOSER) dump-autoload --classmap-authoritative
 	$(DOCKER) build -t $(DCV_IMAGE_NAME) .
 	touch docker.lock

+ifndef COMPOSERFLAGS
 vendor: composer.lock
 	$(COMPOSER) install --prefer-dist
+else
+vendor: composer.lock
+	$(COMPOSER) update $(COMPOSERFLAGS)
+endif

 composer.lock: composer.json
 	$(COMPOSER) update $(COMPOSERFLAGS)
--- a/README.md
+++ b/README.md
@ -1,5 +1,7 @@
 # `docker-compose-viz` 

+[![Build Status](https://img.shields.io/travis/pmsipilot/docker-compose-viz/master.svg?style=flat-square)](https://travis-ci.org/pmsipilot/docker-compose-viz)
+[![StyleCI](https://styleci.io/repos/65026022/shield)](https://styleci.io/repos/65026022)
 [![Average time to resolve an issue](http://isitmaintained.com/badge/resolution/pmsipilot/docker-compose-viz.svg)](http://isitmaintained.com/project/pmsipilot/docker-compose-viz "Average time to resolve an issue")
 [![Percentage of issues still open](http://isitmaintained.com/badge/open/pmsipilot/docker-compose-viz.svg)](http://isitmaintained.com/project/pmsipilot/docker-compose-viz "Percentage of issues still open")
 [![Docker Stars](https://img.shields.io/docker/stars/pmsipilot/docker-compose-viz.svg?style=flat)](https://hub.docker.com/r/pmsipilot/docker-compose-viz/)
@ -11,11 +13,8 @@

 Considering the current working directory is where your `docker-compose.yml` file is located:

-```bash
+```
 docker run --rm -it --name dcv -v $(pwd):/input pmsipilot/docker-compose-viz render -m image docker-compose.yml
-
-# PowerShell
-docker run --rm -it --name dcv -v ${pwd}:/input pmsipilot/docker-compose-viz render -m image docker-compose.yml
 ```

 This will generate the `docker-compose.png` file in the current working directory.
@ -25,7 +24,7 @@ This will generate the `docker-compose.png` file in the current working director
 Before you start, make sure you have:

 * [Composer](https://getcomposer.org/doc/00-intro.md#installation-linux-unix-osx) installed,
-* [PHP 7.2](http://php.net/downloads.php#v7.2.32) (at least) installed,
+* [PHP 7](http://php.net/downloads.php#v7.0.9) installed,
 * GraphViz installed (see below for a guide on how to install it)

 ```
@ -176,14 +175,7 @@ digraph G {

 ![display renderer](resources/display.png)

-### Troubleshooting
-
-#### Getting "failed to open stream: Permission denied"?
-
-Make sure the target directory is writeable by the user in the Docker container.
-Or create a writeable directory first. See [workaround #41](https://github.com/pmsipilot/docker-compose-viz/issues/41#issuecomment-483384999)
-
 ## License

 The MIT License (MIT)
-Copyright ® 2020 PMSIpilot
+Copyright (c) 2016 PMSIpilot
--- a/composer.json
+++ b/composer.json
@ -2,15 +2,15 @@
    "name": "pmsipilot/docker-compose-viz",
    "description": "Docker compose graph visualization",
    "require": {
-        "php": "^7.2",
+        "php": "^7",
        "symfony/yaml": "^3.1 || ^4",
        "symfony/console": "^3.1",
        "clue/graph": "^0.9",
        "graphp/graphviz": "^0.2"
    },
    "require-dev": {
-        "friendsofphp/php-cs-fixer": "^2",
-        "kahlan/kahlan": "^4.7"
+        "crysalead/kahlan": "^2.5.4",
+        "friendsofphp/php-cs-fixer": "^2"
    },
    "license": "MIT",
    "authors": [
@ -25,9 +25,7 @@
            "PMSIpilot\\DockerComposeViz\\": "src/"
        }
    },
-    "scripts": {
-        "cs": "php-cs-fixer fix",
-        "cst": "php-cs-fixer fix --dry-run",
-        "ut": "kahlan --grep='*.php' --reporter=verbose --persistent=false"
+    "config": {
+        "bin-dir": "bin/"
    }
 }
--- a/composer.lock
+++ b/composer.lock
@ -4,7 +4,7 @@
        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
        "This file is @generated automatically"
    ],
-    "content-hash": "883183cc51537213776e61c66e969e5a",
+    "content-hash": "e5370b9d4f890699543b1dbd6ba801de",
    "packages": [
        {
            "name": "clue/graph",
@ -626,6 +626,58 @@
            ],
            "time": "2020-06-04T11:16:35+00:00"
        },
+        {
+            "name": "crysalead/kahlan",
+            "version": "2.5.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/kahlan/kahlan.git",
+                "reference": "4fad70f5a81698fe6cae725b21bb08c4aa677788"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/kahlan/kahlan/zipball/4fad70f5a81698fe6cae725b21bb08c4aa677788",
+                "reference": "4fad70f5a81698fe6cae725b21bb08c4aa677788",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.4"
+            },
+            "bin": [
+                "bin/kahlan"
+            ],
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Kahlan\\": "src/"
+                },
+                "files": [
+                    "src/init.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "CrysaLEAD"
+                }
+            ],
+            "description": "Behavior-Driven Development (BDD) library.",
+            "keywords": [
+                "BDD",
+                "Behavior-Driven Development",
+                "Monkey Patching",
+                "TDD",
+                "mock",
+                "stub",
+                "testing",
+                "unit test"
+            ],
+            "abandoned": "kahlan/kahlan",
+            "time": "2016-09-29T01:40:20+00:00"
+        },
        {
            "name": "doctrine/annotations",
            "version": "1.10.3",
@ -848,60 +900,6 @@
            "description": "A tool to automatically fix PHP code style",
            "time": "2020-06-27T23:57:46+00:00"
        },
-        {
-            "name": "kahlan/kahlan",
-            "version": "4.7.5",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/kahlan/kahlan.git",
-                "reference": "c529ef24201053ba76d3c8c3531acd76b629ce87"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/kahlan/kahlan/zipball/c529ef24201053ba76d3c8c3531acd76b629ce87",
-                "reference": "c529ef24201053ba76d3c8c3531acd76b629ce87",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.5"
-            },
-            "require-dev": {
-                "squizlabs/php_codesniffer": "^3.4"
-            },
-            "bin": [
-                "bin/kahlan"
-            ],
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Kahlan\\": "src/"
-                },
-                "files": [
-                    "src/functions.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "CrysaLEAD"
-                }
-            ],
-            "description": "The PHP Test Framework for Freedom, Truth and Justice.",
-            "keywords": [
-                "BDD",
-                "Behavior-Driven Development",
-                "Monkey Patching",
-                "TDD",
-                "mock",
-                "stub",
-                "testing",
-                "unit test"
-            ],
-            "time": "2020-04-25T21:27:19+00:00"
-        },
        {
            "name": "paragonie/random_compat",
            "version": "v9.99.99",
@ -1720,10 +1718,10 @@
    "aliases": [],
    "minimum-stability": "stable",
    "stability-flags": [],
-    "prefer-stable": false,
+    "prefer-stable": true,
    "prefer-lowest": false,
    "platform": {
-        "php": "^7.2"
+        "php": "^7"
    },
    "platform-dev": []
 }
--- a/src/application.php
+++ b/src/application.php
@ -12,8 +12,7 @@ $application->register('render')

    ->addOption('override', null, Console\Input\InputOption::VALUE_REQUIRED, 'Tag of the override file to use', 'override')
    ->addOption('output-file', 'o', Console\Input\InputOption::VALUE_REQUIRED, 'Path to a output file (Only for "dot" and "image" output format)')
-    ->addOption('output-format', 'm', Console\Input\InputOption::VALUE_REQUIRED, 'Output format (one of: "dot", "image", "display", "graphviz")', 'display')
-    ->addOption('graphviz-output-format', null, Console\Input\InputOption::VALUE_REQUIRED, 'GraphViz Output format (see `man dot` for details)', 'svg')
+    ->addOption('output-format', 'm', Console\Input\InputOption::VALUE_REQUIRED, 'Output format (one of: "dot", "image", "display")', 'display')
    ->addOption('only', null, Console\Input\InputOption::VALUE_IS_ARRAY | Console\Input\InputOption::VALUE_REQUIRED, 'Display a graph only for a given services')

    ->addOption('force', 'f', Console\Input\InputOption::VALUE_NONE, 'Overwrites output file if it already exists')
@ -40,7 +39,7 @@ $application->register('render')
        $outputFile = $input->getOption('output-file') ?: getcwd().DIRECTORY_SEPARATOR.'docker-compose.'.('dot' === $outputFormat ? $outputFormat : 'png');
        $onlyServices = $input->getOption('only');

-        if (false === in_array($outputFormat, ['dot', 'image', 'display', 'graphviz'])) {
+        if (false === in_array($outputFormat, ['dot', 'image', 'display'])) {
            throw new Console\Exception\InvalidArgumentException(sprintf('Invalid output format "%s". It must be one of "dot", "image" or "display".', $outputFormat));
        }

@ -142,13 +141,6 @@ $application->register('render')
                $renderer = new GraphViz();
                $renderer->display($graph);
                break;
-
-            case 'graphviz':
-                $renderer = new GraphViz();
-                $format = $input->getOption('graphviz-output-format');
-
-                file_put_contents($outputFile, $renderer->setFormat($format)->createImageData($graph));
-                break;
        }
    });

--- a/src/functions.php
+++ b/src/functions.php
@ -226,8 +226,7 @@ function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, arr
    if (false === ((bool) ($flags & WITHOUT_NETWORKS))) {
        foreach ($networks as $network => $definition) {
            addNetwork(
-                $graph,
-                'net: '.$network,
+                $graph, 'net: '.$network,
                isset($definition['external']) && true === $definition['external'] ? 'external_network' : 'network'
            );
        }
@ -237,14 +236,12 @@ function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, arr
        addService($graph, $service);

        if (isset($definition['extends'])) {
-            if (isset($definition['extends']['file'])) {
            $configuration = readConfiguration(dirname($path).DIRECTORY_SEPARATOR.$definition['extends']['file']);
            $extendedServices = fetchServices($configuration);
            $extendedVolumes = fetchVolumes($configuration);
-                $extendedNetworks = fetchNetworks($configuration);
+            $extendedNetworks = fetchVolumes($configuration);

            $graph = makeVerticesAndEdges($graph, $extendedServices, $extendedVolumes, $extendedNetworks, dirname($path).DIRECTORY_SEPARATOR.$definition['extends']['file'], $flags);
-            }

            addRelation(
                 addService($graph, $definition['extends']['service']),
@ -309,7 +306,7 @@ function makeVerticesAndEdges(Graph $graph, array $services, array $volumes, arr
                    $container = $volume['target'];
                    $attr = !empty($volume['read-only']) ? 'ro' : '';
                } else {
-                    list($host, $container, $attr) = explodeVolumeMapping($volume);
+                    list($host, $container, $attr) = explodeMapping($volume);
                }

                $serviceVolumes[$container] = [$host, $attr];
@ -506,23 +503,13 @@ function explodeMapping($mapping): array
    $parts = explode(':', $mapping);
    $parts[1] = $parts[1] ?? $parts[0];

-    return [$parts[0], $parts[1]];
-}
+    $subparts = array_values(array_filter(explode('/', $parts[1])));

-/**
- * @internal
- *
- * @param string $mapping A docker mapping (<from>[:<to>])
- *
- * @return array An 2 or 3 items array containing the parts of the mapping.
- *               If the mapping does not specify a second part, the first one will be repeated
- */
-function explodeVolumeMapping($mapping): array
-{
-    $parts = explode(':', $mapping);
-    $parts[1] = $parts[1] ?? $parts[0];
+    if (count($subparts) > 2) {
+        $subparts = [$parts[1], $parts[2] ?? null];
+    }

-    return [$parts[0], $parts[1], $parts[2] ?? null];
+    return [$parts[0], $subparts[0], $subparts[1] ?? null];
 }

 /**