Update CHANGELOG

Co-authored-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/ci.yml

@@ -72,9 +72,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - tag-match: '\d{1,3}.\d{1,3}.\d{1,3}'
+          - tag-match: '\d.\d.\d'
             tag-match-group: '0'
-          - tag-match: '\d{1,3}.\d{1,3}'
+          - tag-match: '\d.\d'
             tag-match-group: '0'
           - tag-match: 'v(.*)'
             tag-match-group: '1'

.github/workflows/label-sponsor.yml

@@ -1,9 +1,6 @@
 name: label-sponsor
 
 on:
-  pull_request:
-    types:
-      - 'opened'
   issues:
     types:
       - 'opened'

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## 2.2.1 (2021/04/05)
+
+* Skip and display warning if tag does not match (#59)
+
+## 2.2.0 (2021/04/03)
+
+* Improve logging (#58)
+* Fix README (#56)
+
 ## 2.1.1 (2021/03/30)
 
 * Fix `enable` tag attribute (#53)

README.md

@@ -252,7 +252,7 @@ Following inputs can be used as `step.with` keys
 
 > `List` type is a newline-delimited string
 > ```yaml
-> label-custom: |
+> labels: |
 >   org.opencontainers.image.title=MyCustomTitle
 >   org.opencontainers.image.description=Another description
 >   org.opencontainers.image.vendor=MyCompany
@@ -420,9 +420,7 @@ tags: |
 ```yaml
 tags: |
   # minimal
-  type=match,pattern=\d{8}
+  type=match,pattern=\d.\d.\d
-  # double quotes if comma in pattern
-  type=match,"pattern=\d{1,3}.\d{1,3}.\d{1,3}"
   # define match group
   type=match,pattern=v(.*),group=1
   # use custom value instead of git tag
@@ -435,16 +433,17 @@ a custom value through `value` attribute.
 
 | Git tag                 | Pattern                       | Group   | Output                 |
 |-------------------------|-------------------------------|---------|------------------------|
-| `v1.2.3`                | `\d{1,3}.\d{1,3}.\d{1,3}`     | `0`     | `1.2.3`                |
+| `v1.2.3`                | `\d.\d.\d`                    | `0`     | `1.2.3`                |
 | `v2.0.8-beta.67`        | `v(.*)`                       | `1`     | `2.0.8-beta.67`        |
 | `v2.0.8-beta.67`        | `v(\d.\d)`                    | `1`     | `2.0`                  |
 | `20200110-RC2`          | `\d+`                         | `0`     | `20200110`             |
+| `p1/v1.2.3`             | `p1-v(\d.\d.\d)`              | `1`     | `1.2.3`                |
 
 Extended attributes and default values:
 
 ```yaml
 tags: |
-  type=group,enable=true,priority=800,prefix=,suffix=,pattern=,group=0,value=
+  type=match,enable=true,priority=800,prefix=,suffix=,pattern=,group=0,value=
 ```
 
 ### `type=edge`
@@ -472,11 +471,11 @@ tags: |
 
 ```yaml
 tags: |
-  # minimal branch event
+  # branch event
   type=ref,event=branch
-  # minimal tag event
+  # tag event
   type=ref,event=tag
-  # minimal pull request event
+  # pull request event
   type=ref,event=pr
 ```
 
@@ -497,11 +496,11 @@ Extended attributes and default values:
 
 ```yaml
 tags: |
-  # event branch
+  # branch event
   type=ref,enable=true,priority=600,prefix=,suffix=,event=
-  # event tag
+  # tag event
   type=ref,enable=true,priority=600,prefix=,suffix=,event=
-  # event pr
+  # pull request event
   type=ref,enable=true,priority=600,prefix=pr-,suffix=,event=
 ```
 

__tests__/fixtures/event_tag_p1-v1.0.0.env

@@ -0,0 +1,23 @@
+GITHUB_ACTION=crazy-maxghaction-dump-context
+GITHUB_ACTIONS=true
+GITHUB_ACTION_PATH=/home/runner/work/_actions/crazy-max/ghaction-dump-context/v1
+GITHUB_ACTOR=crazy-max
+GITHUB_API_URL=https://api.github.com
+GITHUB_BASE_REF=
+GITHUB_ENV=/home/runner/work/_temp/_runner_file_commands/set_env_6ee180c2-b331-434a-a867-89534cbefd83
+GITHUB_EVENT_NAME=push
+#GITHUB_EVENT_PATH=/home/runner/work/_temp/_github_workflow/event.json
+GITHUB_GRAPHQL_URL=https://api.github.com/graphql
+GITHUB_HEAD_REF=
+GITHUB_JOB=event
+GITHUB_PATH=/home/runner/work/_temp/_runner_file_commands/add_path_6ee180c2-b331-434a-a867-89534cbefd83
+GITHUB_REF=refs/tags/p1/v1.0.0
+GITHUB_REPOSITORY=crazy-max/test-docker-action
+GITHUB_REPOSITORY_OWNER=crazy-max
+GITHUB_RETENTION_DAYS=90
+GITHUB_RUN_ID=325968230
+GITHUB_RUN_NUMBER=4
+GITHUB_SERVER_URL=https://github.com
+GITHUB_SHA=90dd6032fac8bda1b6c4436a2e65de27961ed071
+GITHUB_WORKFLOW=event
+GITHUB_WORKSPACE=/home/runner/work/test-docker-action/test-docker-action

__tests__/meta.test.ts

@@ -557,6 +557,35 @@ describe('push', () => {
         "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
         "org.opencontainers.image.licenses=MIT"
       ]
+    ],
+    [
+      'push16',
+      'event_push_defbranch.env',
+      {
+        images: ['user/app'],
+        tags: [
+          `type=match,enable=false,pattern=v(.*),group=1,value=v1.2.3`,
+          `type=edge`
+        ],
+      } as Inputs,
+      {
+        main: 'edge',
+        partial: [],
+        latest: false
+      } as Version,
+      [
+        'user/app:edge'
+      ],
+      [
+        "org.opencontainers.image.title=Hello-World",
+        "org.opencontainers.image.description=This your first repo!",
+        "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.version=edge",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
     ]
   ])('given %p with %p event', tagsLabelsTest);
 });
@@ -684,7 +713,7 @@ describe('tag', () => {
       {
         images: ['org/app', 'ghcr.io/user/app'],
         tags: [
-          `type=match,"pattern=\\d{1,3}.\\d{1,3}.\\d{1,3}"`
+          `type=match,"pattern=\\d.\\d.\\d"`
         ]
       } as Inputs,
       {
@@ -715,7 +744,7 @@ describe('tag', () => {
       {
         images: ['org/app', 'ghcr.io/user/app'],
         tags: [
-          `type=match,"pattern=^v(\\d{1,3}.\\d{1,3}.\\d{1,3})$",group=1`
+          `type=match,"pattern=^v(\\d.\\d.\\d)$",group=1`
         ]
       } as Inputs,
       {
@@ -746,7 +775,7 @@ describe('tag', () => {
       {
         images: ['org/app', 'ghcr.io/user/app'],
         tags: [
-          `type=match,"pattern=\\d{1,3}.\\d{1,3}.\\d{1,3}-(alpha|beta).\\d{1,3}"`
+          `type=match,"pattern=\\d.\\d.\\d-(alpha|beta).\\d+"`
         ]
       } as Inputs,
       {
@@ -777,7 +806,7 @@ describe('tag', () => {
       {
         images: ['org/app', 'ghcr.io/user/app'],
         tags: [
-          `type=match,"pattern=\\d{1,3}.\\d{1,3}"`
+          `type=match,"pattern=\\d.\\d"`
         ]
       } as Inputs,
       {
@@ -808,24 +837,29 @@ describe('tag', () => {
       {
         images: ['org/app', 'ghcr.io/user/app'],
         tags: [
-          `type=match,"pattern=/^v(\\d{1,3}.\\d{1,3}.\\d{1,3})$/ig",group=1`,
+          `type=match,"pattern=v(.*)-beta.(.*)",group=1`,
+          `type=match,"pattern=v(.*)-beta.(.*)",group=2`,
         ]
       } as Inputs,
       {
-        main: 'v2.0.8-beta.67',
+        main: '2.0.8',
-        partial: [],
+        partial: ['67'],
-        latest: false
+        latest: true
       } as Version,
       [
-        'org/app:v2.0.8-beta.67',
+        'org/app:2.0.8',
-        'ghcr.io/user/app:v2.0.8-beta.67'
+        'org/app:67',
+        'org/app:latest',
+        'ghcr.io/user/app:2.0.8',
+        'ghcr.io/user/app:67',
+        'ghcr.io/user/app:latest'
       ],
       [
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.description=This your first repo!",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
-        "org.opencontainers.image.version=v2.0.8-beta.67",
+        "org.opencontainers.image.version=2.0.8",
         "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
         "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
         "org.opencontainers.image.licenses=MIT"
@@ -837,24 +871,21 @@ describe('tag', () => {
       {
         images: ['org/app', 'ghcr.io/user/app'],
         tags: [
-          `type=match,"pattern=\\d{1,3}.\\d{1,3}"`
+          `type=match,"pattern=\\d.\\d"`
         ]
       } as Inputs,
       {
-        main: 'sometag',
+        main: undefined,
         partial: [],
         latest: false
       } as Version,
-      [
+      [],
-        'org/app:sometag',
-        'ghcr.io/user/app:sometag'
-      ],
       [
         "org.opencontainers.image.title=Hello-World",
         "org.opencontainers.image.description=This your first repo!",
         "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
         "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
-        "org.opencontainers.image.version=sometag",
+        "org.opencontainers.image.version=",
         "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
         "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
         "org.opencontainers.image.licenses=MIT"
@@ -1001,7 +1032,7 @@ describe('tag', () => {
         tags: [
           `type=raw,priority=2000,foo`,
           `type=semver,pattern={{version}}`,
-          `type=match,"pattern=\\d{1,3}.\\d{1,3}"`
+          `type=match,"pattern=\\d.\\d"`
         ]
       } as Inputs,
       {
@@ -1060,6 +1091,84 @@ describe('tag', () => {
         "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
         "org.opencontainers.image.licenses=MIT"
       ]
+    ],
+    [
+      'tag17',
+      'event_tag_p1-v1.0.0.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=match,"pattern=/^v(\\d.\\d.\\d)$/ig",group=1`,
+          `type=match,pattern=\\d.\\d.\\d`,
+          `type=match,pattern=\\d.\\d`,
+          `type=ref,event=pr`,
+          `type=sha`
+        ]
+      } as Inputs,
+      {
+        main: '1.0.0',
+        partial: ['1.0', 'sha-90dd603'],
+        latest: true
+      } as Version,
+      [
+        'org/app:1.0.0',
+        'org/app:1.0',
+        'org/app:sha-90dd603',
+        'org/app:latest',
+        'ghcr.io/user/app:1.0.0',
+        'ghcr.io/user/app:1.0',
+        'ghcr.io/user/app:sha-90dd603',
+        'ghcr.io/user/app:latest'
+      ],
+      [
+        "org.opencontainers.image.title=Hello-World",
+        "org.opencontainers.image.description=This your first repo!",
+        "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.version=1.0.0",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag18',
+      'event_tag_p1-v1.0.0.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=match,pattern=p1-v(\\d.\\d.\\d),group=1`,
+          `type=match,pattern=p1-v(\\d.\\d),group=1`,
+          `type=match,pattern=p1-v(\\d.\\d),group=3`,
+          `type=ref,event=pr`,
+          `type=sha`
+        ]
+      } as Inputs,
+      {
+        main: '1.0.0',
+        partial: ['1.0', 'sha-90dd603'],
+        latest: true
+      } as Version,
+      [
+        'org/app:1.0.0',
+        'org/app:1.0',
+        'org/app:sha-90dd603',
+        'org/app:latest',
+        'ghcr.io/user/app:1.0.0',
+        'ghcr.io/user/app:1.0',
+        'ghcr.io/user/app:sha-90dd603',
+        'ghcr.io/user/app:latest'
+      ],
+      [
+        "org.opencontainers.image.title=Hello-World",
+        "org.opencontainers.image.description=This your first repo!",
+        "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
+        "org.opencontainers.image.version=1.0.0",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
     ]
   ])('given %p with %p event', tagsLabelsTest);
 });
@@ -1160,7 +1269,7 @@ describe('latest', () => {
       {
         images: ['user/app'],
         tags: [
-          `type=match,"pattern=\\d{1,3}.\\d{1,3}.\\d{1,3}"`
+          `type=match,"pattern=\\d.\\d.\\d"`
         ]
       } as Inputs,
       {
@@ -1217,7 +1326,7 @@ describe('latest', () => {
       {
         images: ['org/app', 'ghcr.io/user/app'],
         tags: [
-          `type=match,"pattern=\\d{1,3}.\\d{1,3}.\\d{1,3}"`
+          `type=match,"pattern=\\d.\\d.\\d"`
         ]
       } as Inputs,
       {
@@ -2358,40 +2467,3 @@ describe('bake', () => {
     expect(JSON.parse(fs.readFileSync(bakeFile, 'utf8'))).toEqual(exBakeDefinition);
   });
 });
-
-describe('push', () => {
-  // prettier-ignore
-  test.each([
-    [
-      'push15',
-      'event_push_defbranch.env',
-      {
-        images: ['user/app'],
-        tags: [
-          `type=match,pattern=v(.*),group=1,value=v1.2.3`,
-          `type=edge`
-        ],
-      } as Inputs,
-      {
-        main: '1.2.3',
-        partial: ['edge'],
-        latest: true
-      } as Version,
-      [
-        'user/app:1.2.3',
-        'user/app:edge',
-        'user/app:latest'
-      ],
-      [
-        "org.opencontainers.image.title=Hello-World",
-        "org.opencontainers.image.description=This your first repo!",
-        "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
-        "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
-        "org.opencontainers.image.version=1.2.3",
-        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
-        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
-        "org.opencontainers.image.licenses=MIT"
-      ]
-    ]
-  ])('given %p with %p event', tagsLabelsTest);
-});

__tests__/tag.test.ts

@@ -13,7 +13,7 @@ describe('transform', () => {
         `type=raw,foo`,
         `type=edge`,
         `type=semver,pattern={{version}}`,
-        `type=match,"pattern=\\d{1,3}.\\d{1,3}.\\d{1,3}"`
+        `type=match,"pattern=\\d.\\d.\\d",group=0`
       ],
       [
         {
@@ -44,7 +44,7 @@ describe('transform', () => {
             "enable": "true",
             "prefix": "",
             "suffix": "",
-            "pattern": "\\d{1,3}.\\d{1,3}.\\d{1,3}",
+            "pattern": "\\d.\\d.\\d",
             "group": "0",
             "value": ""
           }
@@ -204,7 +204,7 @@ describe('parse', () => {
       false
     ],
     [
-      `type=match,enable=true,"pattern=^v(\\d{1,3}.\\d{1,3}.\\d{1,3})$",group=1`,
+      `type=match,enable=true,"pattern=^v(\\d.\\d.\\d)$",group=1`,
       {
         type: Type.Match,
         attrs: {
@@ -212,7 +212,7 @@ describe('parse', () => {
           "enable": "true",
           "prefix": "",
           "suffix": "",
-          "pattern": "^v(\\d{1,3}.\\d{1,3}.\\d{1,3})$",
+          "pattern": "^v(\\d.\\d.\\d)$",
           "group": "1",
           "value": ""
         }

dist/index.js

@@ -99,12 +99,32 @@ exports.asyncForEach = (array, callback) => __awaiter(void 0, void 0, void 0, fu
 /***/ }),
 
 /***/ 3716:
-/***/ ((__unused_webpack_module, exports) => {
+/***/ (function(__unused_webpack_module, exports, __webpack_require__) {
 
 "use strict";
 
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.Transform = void 0;
+const core = __importStar(__webpack_require__(2186));
 function Transform(inputs) {
     const flavor = {
         latest: 'auto',
@@ -137,6 +157,11 @@ function Transform(inputs) {
             }
         }
     }
+    core.startGroup(`Processing flavor input`);
+    core.info(`latest=${flavor.latest}`);
+    core.info(`prefix=${flavor.prefix}`);
+    core.info(`suffix=${flavor.suffix}`);
+    core.endGroup();
     return flavor;
 }
 exports.Transform = Transform;
@@ -493,10 +518,16 @@ class Meta {
         else {
             tmatch = vraw.match(tag.attrs['pattern']);
         }
-        if (tmatch) {
+        if (!tmatch) {
-            vraw = tmatch[tag.attrs['group']];
+            core.warning(`${tag.attrs['pattern']} does not match ${vraw}.`);
-            latest = true;
+            return version;
         }
+        if (typeof tmatch[tag.attrs['group']] === 'undefined') {
+            core.warning(`Group ${tag.attrs['group']} does not exist for ${tag.attrs['pattern']} pattern.`);
+            return version;
+        }
+        vraw = tmatch[tag.attrs['group']];
+        latest = true;
         if (version.main == undefined) {
             version.main = vraw;
         }
@@ -690,12 +721,32 @@ exports.Meta = Meta;
 
 "use strict";
 
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.Parse = exports.Transform = exports.DefaultPriorities = exports.RefEvent = exports.Type = void 0;
+exports.Parse = exports.Transform = exports.DefaultPriorities = exports.Tag = exports.RefEvent = exports.Type = void 0;
 const sync_1 = __importDefault(__webpack_require__(8750));
+const core = __importStar(__webpack_require__(2186));
 var Type;
 (function (Type) {
     Type["Schedule"] = "schedule";
@@ -712,6 +763,19 @@ var RefEvent;
     RefEvent["Tag"] = "tag";
     RefEvent["PR"] = "pr";
 })(RefEvent = exports.RefEvent || (exports.RefEvent = {}));
+class Tag {
+    constructor() {
+        this.attrs = {};
+    }
+    toString() {
+        const out = [`type=${this.type}`];
+        for (let attr in this.attrs) {
+            out.push(`${attr}=${this.attrs[attr]}`);
+        }
+        return out.join(',');
+    }
+}
+exports.Tag = Tag;
 exports.DefaultPriorities = {
     [Type.Schedule]: '1000',
     [Type.Semver]: '900',
@@ -735,7 +799,7 @@ function Transform(inputs) {
     for (const input of inputs) {
         tags.push(Parse(input));
     }
-    return tags.sort((tag1, tag2) => {
+    const sorted = tags.sort((tag1, tag2) => {
         if (Number(tag1.attrs['priority']) < Number(tag2.attrs['priority'])) {
             return 1;
         }
@@ -744,6 +808,12 @@ function Transform(inputs) {
         }
         return 0;
     });
+    core.startGroup(`Processing tags input`);
+    for (const tag of sorted) {
+        core.info(tag.toString());
+    }
+    core.endGroup();
+    return sorted;
 }
 exports.Transform = Transform;
 function Parse(s) {
@@ -751,9 +821,7 @@ function Parse(s) {
         relaxColumnCount: true,
         skipLinesWithEmptyValues: true
     })[0];
-    const tag = {
+    const tag = new Tag();
-        attrs: {}
-    };
     for (const field of fields) {
         const parts = field.toString().split('=', 2);
         if (parts.length == 1) {

src/flavor.ts

@@ -1,3 +1,5 @@
+import * as core from '@actions/core';
+
 export interface Flavor {
   latest: string;
   prefix: string;
@@ -38,5 +40,11 @@ export function Transform(inputs: string[]): Flavor {
     }
   }
 
+  core.startGroup(`Processing flavor input`);
+  core.info(`latest=${flavor.latest}`);
+  core.info(`prefix=${flavor.prefix}`);
+  core.info(`suffix=${flavor.suffix}`);
+  core.endGroup();
+
   return flavor;
 }

src/meta.ts

@@ -47,7 +47,6 @@ export class Meta {
       if (tag.attrs['enable'] == 'false') {
         continue;
       }
-
       switch (tag.type) {
         case tcl.Type.Schedule: {
           version = this.procSchedule(version, tag);
@@ -181,10 +180,17 @@ export class Meta {
     } else {
       tmatch = vraw.match(tag.attrs['pattern']);
     }
-    if (tmatch) {
+    if (!tmatch) {
-      vraw = tmatch[tag.attrs['group']];
+      core.warning(`${tag.attrs['pattern']} does not match ${vraw}.`);
-      latest = true;
+      return version;
     }
+    if (typeof tmatch[tag.attrs['group']] === 'undefined') {
+      core.warning(`Group ${tag.attrs['group']} does not exist for ${tag.attrs['pattern']} pattern.`);
+      return version;
+    }
+
+    vraw = tmatch[tag.attrs['group']];
+    latest = true;
 
     if (version.main == undefined) {
       version.main = vraw;

src/tag.ts

@@ -1,4 +1,5 @@
 import csvparse from 'csv-parse/lib/sync';
+import * as core from '@actions/core';
 
 export enum Type {
   Schedule = 'schedule',
@@ -16,9 +17,21 @@ export enum RefEvent {
   PR = 'pr'
 }
 
-export interface Tag {
+export class Tag {
-  type: Type;
+  public type?: Type;
-  attrs: Record<string, string>;
+  public attrs: Record<string, string>;
+
+  constructor() {
+    this.attrs = {};
+  }
+
+  public toString(): string {
+    const out: string[] = [`type=${this.type}`];
+    for (let attr in this.attrs) {
+      out.push(`${attr}=${this.attrs[attr]}`);
+    }
+    return out.join(',');
+  }
 }
 
 export const DefaultPriorities: Record<Type, string> = {
@@ -42,10 +55,11 @@ export function Transform(inputs: string[]): Tag[] {
       `type=ref,event=${RefEvent.PR}`
     ];
   }
+
   for (const input of inputs) {
     tags.push(Parse(input));
   }
-  return tags.sort((tag1, tag2) => {
+  const sorted = tags.sort((tag1, tag2) => {
     if (Number(tag1.attrs['priority']) < Number(tag2.attrs['priority'])) {
       return 1;
     }
@@ -54,6 +68,14 @@ export function Transform(inputs: string[]): Tag[] {
     }
     return 0;
   });
+
+  core.startGroup(`Processing tags input`);
+  for (const tag of sorted) {
+    core.info(tag.toString());
+  }
+  core.endGroup();
+
+  return sorted;
 }
 
 export function Parse(s: string): Tag {
@@ -62,10 +84,7 @@ export function Parse(s: string): Tag {
     skipLinesWithEmptyValues: true
   })[0];
 
-  const tag = {
+  const tag = new Tag();
-    attrs: {}
-  } as Tag;
-
   for (const field of fields) {
     const parts = field.toString().split('=', 2);
     if (parts.length == 1) {