Merge pull request #122 from docker/dependabot/npm_and_yarn/actions/core-1.5.0

Bump @actions/core from 1.4.0 to 1.5.0

.github/dependabot.yml

@@ -4,8 +4,6 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
-      time: "06:00"
-      timezone: "Europe/Paris"
     labels:
       - ":game_die: dependencies"
       - ":robot: bot"
@@ -13,8 +11,6 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
-      time: "06:00"
-      timezone: "Europe/Paris"
     allow:
       - dependency-type: "production"
     labels:

.github/workflows/test.yml

@@ -29,6 +29,6 @@ jobs:
           targets: test
       -
         name: Upload coverage
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v2
         with:
           file: ./coverage/clover.xml

README.md

@@ -5,8 +5,8 @@
 
 ## About
 
-GitHub Action to extract metadata (tags, labels) for Docker. This action is particularly useful if used with
+GitHub Action to extract metadata from Git reference and GitHub events.
-[Docker Build Push](https://github.com/docker/build-push-action) action.
+This action is particularly useful if used with [Docker Build Push](https://github.com/docker/build-push-action) action to tag and label Docker images.
 
 ![Screenshot](.github/metadata-action.png)
 
@@ -23,6 +23,7 @@ ___
 * [`tags` input](#tags-input)
   * [`type=schedule`](#typeschedule)
   * [`type=semver`](#typesemver)
+  * [`type=pep440`](#typepep440)
   * [`type=match`](#typematch)
   * [`type=edge`](#typeedge)
   * [`type=ref`](#typeref)
@@ -163,7 +164,13 @@ target "build" {
   inherits = ["docker-metadata-action"]
   context = "./"
   dockerfile = "Dockerfile"
-  platforms = ["linux/amd64", "linux/arm/v6", "linux/arm/v7", "linux/arm64", "linux/386", "linux/ppc64le"]
+  platforms = [
+    "linux/amd64",
+    "linux/arm/v6",
+    "linux/arm/v7",
+    "linux/arm64",
+    "linux/386"
+  ]
 }
 ```
 
@@ -290,8 +297,8 @@ flavor: |
 ```
 
 * `latest=<auto|true|false>`: Handle [latest tag](#latest-tag) (default `auto`)
-* `prefix=<string>`: A global prefix for each generated tag
+* `prefix=<string>,onlatest=<true|false>`: A global prefix for each generated tag and optionnally for `latest`
-* `suffix=<string>`: A global suffix for each generated tag
+* `suffix=<string>,onlatest=<true|false>`: A global suffix for each generated tag and optionnally for `latest`
 
 ## `tags` input
 
@@ -378,11 +385,11 @@ tags: |
 ```
 
 Will be used on a [push tag event](https://docs.github.com/en/actions/reference/events-that-trigger-workflows#push)
-and requires a valid Git tag [semver](https://semver.org/) but you can also use a custom value through `value`
+and requires a valid [semver](https://semver.org/) Git tag, but you can also use a custom value through `value`
 attribute.
 
 `pattern` attribute supports [Handlebars template](https://handlebarsjs.com/guide/) with the following expressions:
-* `raw` ; the actual semver
+* `raw` ; the actual tag
 * `version` ; shorthand for `{{major}}.{{minor}}.{{patch}}` (can include pre-release)
 * `major` ; major version identifier
 * `minor` ; minor version identifier
@@ -410,6 +417,51 @@ tags: |
   type=semver,enable=true,priority=900,prefix=,suffix=,pattern=,value=
 ```
 
+### `type=pep440`
+
+```yaml
+tags: |
+  # minimal
+  type=pep440,pattern={{version}}
+  # use custom value instead of git tag
+  type=pep440,pattern={{version}},value=1.0.0
+```
+
+Will be used on a [push tag event](https://docs.github.com/en/actions/reference/events-that-trigger-workflows#push)
+and requires a Git tag that conforms to [PEP 440](https://www.python.org/dev/peps/pep-0440/), but you can also use a
+custom value through `value` attribute.
+
+`pattern` attribute supports [Handlebars template](https://handlebarsjs.com/guide/) with the following expressions:
+* `raw` ; the actual tag
+* `version` ; cleaned version
+* `major` ; major version identifier
+* `minor` ; minor version identifier
+* `patch` ; patch version identifier
+
+| Git tag            | Pattern                                                  | Output               |
+|--------------------|----------------------------------------------------------|----------------------|
+| `1.2.3`            | `{{raw}}`                                                | `1.2.3`              |
+| `1.2.3`            | `{{version}}`                                            | `1.2.3`              |
+| `v1.2.3`           | `{{version}}`                                            | `1.2.3`              |
+| `1.2.3`            | `{{major}}.{{minor}}`                                    | `1.2`                |
+| `1.2.3`            | `v{{major}}`                                             | `v1`                 |
+| `1.2.3rc2`         | `{{raw}}`                                                | `1.2.3rc2`*          |
+| `1.2.3rc2`         | `{{version}}`                                            | `1.2.3rc2`           |
+| `1.2.3rc2`         | `{{major}}.{{minor}}`                                    | `1.2.3rc2`*          |
+| `1.2.3post1`       | `{{major}}.{{minor}}`                                    | `1.2.3.post1`*       |
+| `1.2.3beta2`       | `{{major}}.{{minor}}`                                    | `1.2.3b2`*           |
+| `1.0dev4`          | `{{major}}.{{minor}}`                                    | `1.0.dev4`*          |
+
+> *dev/pre/post release will only extend `{{version}}` as tag because they are updated frequently,
+> and contain many breaking changes that are (by the author's design) not yet fit for public consumption.
+
+Extended attributes and default values:
+
+```yaml
+tags: |
+  type=pep440,enable=true,priority=900,prefix=,suffix=,pattern=,value=
+```
+
 ### `type=match`
 
 ```yaml
@@ -492,11 +544,11 @@ Extended attributes and default values:
 ```yaml
 tags: |
   # branch event
-  type=ref,enable=true,priority=600,prefix=,suffix=,event=
+  type=ref,enable=true,priority=600,prefix=,suffix=,event=branch
   # tag event
-  type=ref,enable=true,priority=600,prefix=,suffix=,event=
+  type=ref,enable=true,priority=600,prefix=,suffix=,event=tag
   # pull request event
-  type=ref,enable=true,priority=600,prefix=pr-,suffix=,event=
+  type=ref,enable=true,priority=600,prefix=pr-,suffix=,event=pr
 ```
 
 ### `type=raw`
@@ -560,6 +612,7 @@ attributes are available:
 | `{{branch}}`             | `master`             |
 | `{{tag}}`                | `v1.2.3`             |
 | `{{sha}}`                | `90dd603`            |
+| `{{date 'YYYYMMDD'}}`    | `20210326`           |
 
 ```yaml
 tags: |

__tests__/fixtures/event_tag_1.0dev4.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/1.0dev4
+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__/fixtures/event_tag_1.1beta2.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/1.1beta2
+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__/fixtures/event_tag_1.2.3rc2.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/1.2.3rc2
+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__/fixtures/event_tag_1.2.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/1.2
+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__/fixtures/event_tag_1.2post1.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/1.2post1
+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__/flavor.test.ts

@@ -32,7 +32,9 @@ describe('transform', () => {
       {
         latest: "true",
         prefix: "",
-        suffix: ""
+        prefixLatest: false,
+        suffix: "",
+        suffixLatest: false,
       } as Flavor,
       false
     ],
@@ -43,7 +45,9 @@ describe('transform', () => {
       {
         latest: "false",
         prefix: "",
-        suffix: ""
+        prefixLatest: false,
+        suffix: "",
+        suffixLatest: false,
       } as Flavor,
       false
     ],
@@ -54,7 +58,9 @@ describe('transform', () => {
       {
         latest: "auto",
         prefix: "",
-        suffix: ""
+        prefixLatest: false,
+        suffix: "",
+        suffixLatest: false,
       } as Flavor,
       false
     ],
@@ -72,7 +78,9 @@ describe('transform', () => {
       {
         latest: "auto",
         prefix: "sha-",
-        suffix: ""
+        prefixLatest: false,
+        suffix: "",
+        suffixLatest: false,
       } as Flavor,
       false
     ],
@@ -83,7 +91,9 @@ describe('transform', () => {
       {
         latest: "auto",
         prefix: "",
-        suffix: "-alpine"
+        prefixLatest: false,
+        suffix: "-alpine",
+        suffixLatest: false,
       } as Flavor,
       false
     ],
@@ -96,7 +106,49 @@ describe('transform', () => {
       {
         latest: "false",
         prefix: "dev-",
-        suffix: "-alpine"
+        prefixLatest: false,
+        suffix: "-alpine",
+        suffixLatest: false,
+      } as Flavor,
+      false
+    ],
+    [
+      [
+        `prefix=dev-,onlatest=true`,
+      ],
+      {
+        latest: "auto",
+        prefix: "dev-",
+        prefixLatest: true,
+        suffix: "",
+        suffixLatest: false,
+      } as Flavor,
+      false
+    ],
+    [
+      [
+        `suffix=-alpine,onlatest=true`,
+      ],
+      {
+        latest: "auto",
+        prefix: "",
+        prefixLatest: false,
+        suffix: "-alpine",
+        suffixLatest: true,
+      } as Flavor,
+      false
+    ],
+    [
+      [
+        `prefix=dev-,onlatest=true`,
+        `suffix=-alpine,onlatest=true`,
+      ],
+      {
+        latest: "auto",
+        prefix: "dev-",
+        prefixLatest: true,
+        suffix: "-alpine",
+        suffixLatest: true,
       } as Flavor,
       false
     ],

__tests__/github.test.ts

@@ -1,12 +1,9 @@
 import * as path from 'path';
 import * as github from '../src/github';
-import {ReposGetResponseData} from '@octokit/types';
 
-jest.spyOn(github, 'repo').mockImplementation(
+jest.spyOn(github, 'repo').mockImplementation((): Promise<github.ReposGetResponseData> => {
-  (): Promise<ReposGetResponseData> => {
+  return <Promise<github.ReposGetResponseData>>require(path.join(__dirname, 'fixtures', 'repo.json'));
-    return <Promise<ReposGetResponseData>>require(path.join(__dirname, 'fixtures', 'repo.json'));
+});
-  }
-);
 
 describe('repo', () => {
   it('returns GitHub repository', async () => {

__tests__/meta.test.ts

@@ -6,19 +6,14 @@ import {getInputs, Inputs} from '../src/context';
 import * as github from '../src/github';
 import {Meta, Version} from '../src/meta';
 import {Context} from '@actions/github/lib/context';
-import {ReposGetResponseData} from '@octokit/types';
 
-jest.spyOn(github, 'repo').mockImplementation(
+jest.spyOn(github, 'repo').mockImplementation((): Promise<github.ReposGetResponseData> => {
-  (): Promise<ReposGetResponseData> => {
+  return <Promise<github.ReposGetResponseData>>require(path.join(__dirname, 'fixtures', 'repo.json'));
-    return <Promise<ReposGetResponseData>>require(path.join(__dirname, 'fixtures', 'repo.json'));
+});
-  }
-);
 
-jest.spyOn(github, 'context').mockImplementation(
+jest.spyOn(github, 'context').mockImplementation((): Context => {
-  (): Context => {
+  return new Context();
-    return new Context();
+});
-  }
-);
 
 jest.spyOn(global.Date.prototype, 'toISOString').mockImplementation(() => {
   return '2020-01-10T00:30:00.000Z';
@@ -384,14 +379,12 @@ describe('push', () => {
         ],
       } as Inputs,
       {
-        main: 'master',
+        main: 'sha-90dd603',
-        partial: ['sha-90dd603'],
+        partial: [],
         latest: false
       } as Version,
       [
-        'org/app:master',
         'org/app:sha-90dd603',
-        'ghcr.io/user/app:master',
         'ghcr.io/user/app:sha-90dd603'
       ],
       [
@@ -399,7 +392,7 @@ describe('push', () => {
         "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=master",
+        "org.opencontainers.image.version=sha-90dd603",
         "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
         "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
         "org.opencontainers.image.licenses=MIT"
@@ -416,14 +409,12 @@ describe('push', () => {
         ],
       } as Inputs,
       {
-        main: 'my-feature-1245',
+        main: 'sha-90dd603',
-        partial: ['sha-90dd603'],
+        partial: [],
         latest: false
       } as Version,
       [
-        'org/app:my-feature-1245',
         'org/app:sha-90dd603',
-        'ghcr.io/user/app:my-feature-1245',
         'ghcr.io/user/app:sha-90dd603'
       ],
       [
@@ -431,7 +422,7 @@ describe('push', () => {
         "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=my-feature-1245",
+        "org.opencontainers.image.version=sha-90dd603",
         "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
         "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
         "org.opencontainers.image.licenses=MIT"
@@ -444,24 +435,22 @@ describe('push', () => {
         images: ['org/app', 'ghcr.io/user/app'],
         tags: [
           `type=semver,pattern={{version}}`,
+          `type=pep440,pattern={{version}}`,
           `type=edge`
         ],
       } as Inputs,
       {
-        main: 'my-feature-1245',
+        main: undefined,
         partial: [],
         latest: false
       } as Version,
-      [
+      [],
-        'org/app:my-feature-1245',
-        'ghcr.io/user/app:my-feature-1245'
-      ],
       [
         "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=my-feature-1245",
+        "org.opencontainers.image.version=",
         "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
         "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
         "org.opencontainers.image.licenses=MIT"
@@ -504,6 +493,7 @@ describe('push', () => {
         images: ['user/app'],
         tags: [
           `type=semver,pattern={{version}},value=v1.2.3`,
+          `type=pep440,pattern={{version}},value=v1.2.3`,
           `type=edge`
         ],
       } as Inputs,
@@ -595,16 +585,18 @@ describe('push', () => {
         images: ['user/app'],
         tags: [
           `type=raw,value=mytag-{{branch}}`,
+          `type=raw,value=mytag-{{date 'YYYYMMDD'}}`,
           `type=raw,value=mytag-{{tag}}`
         ],
       } as Inputs,
       {
         main: 'mytag-master',
-        partial: ['mytag-'],
+        partial: ['mytag-20200110', 'mytag-'],
         latest: false
       } as Version,
       [
         'user/app:mytag-master',
+        'user/app:mytag-20200110',
         'user/app:mytag-'
       ],
       [
@@ -620,36 +612,67 @@ describe('push', () => {
     ],
     [
       'push18',
-        'event_push.env',
+      'event_push.env',
-        {
+      {
-          images: ['org/app', 'ghcr.io/user/app'],
+        images: ['org/app', 'ghcr.io/user/app'],
-          tags: [
+        tags: [
-            `type=ref,event=branch`,
+          `type=ref,event=branch`,
-            `type=sha,format=long`
+          `type=sha,format=long`
-          ],
-        } as Inputs,
-        {
-          main: 'dev',
-          partial: ['sha-90dd6032fac8bda1b6c4436a2e65de27961ed071'],
-          latest: false
-        } as Version,
-        [
-          'org/app:dev',
-          'org/app:sha-90dd6032fac8bda1b6c4436a2e65de27961ed071',
-          'ghcr.io/user/app:dev',
-          'ghcr.io/user/app:sha-90dd6032fac8bda1b6c4436a2e65de27961ed071'
         ],
-        [
+      } as Inputs,
-          "org.opencontainers.image.title=Hello-World",
+      {
-          "org.opencontainers.image.description=This your first repo!",
+        main: 'dev',
-          "org.opencontainers.image.url=https://github.com/octocat/Hello-World",
+        partial: ['sha-90dd6032fac8bda1b6c4436a2e65de27961ed071'],
-          "org.opencontainers.image.source=https://github.com/octocat/Hello-World",
+        latest: false
-          "org.opencontainers.image.version=dev",
+      } as Version,
-          "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+      [
-          "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        'org/app:dev',
-          "org.opencontainers.image.licenses=MIT"
+        'org/app:sha-90dd6032fac8bda1b6c4436a2e65de27961ed071',
-        ]
+        'ghcr.io/user/app:dev',
+        'ghcr.io/user/app:sha-90dd6032fac8bda1b6c4436a2e65de27961ed071'
       ],
+      [
+        "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=dev",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'push19',
+      'event_push.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=edge,branch=master`,
+          `type=ref,event=branch,enable=false`,
+          `type=sha,format=long`
+        ],
+      } as Inputs,
+      {
+        main: 'sha-90dd6032fac8bda1b6c4436a2e65de27961ed071',
+        partial: [],
+        latest: false
+      } as Version,
+      [
+        'org/app:sha-90dd6032fac8bda1b6c4436a2e65de27961ed071',
+        'ghcr.io/user/app:sha-90dd6032fac8bda1b6c4436a2e65de27961ed071'
+      ],
+      [
+        "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=sha-90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "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);
 });
 
@@ -1302,7 +1325,332 @@ describe('tag', () => {
         "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
         "org.opencontainers.image.licenses=MIT"
       ]
-    ]
+    ],
+    [
+      'tag21',
+      'event_tag_v1.1.1.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=semver,pattern={{version}}`,
+          `type=semver,pattern={{major}}.{{minor}}.{{patch}}`
+        ],
+        flavor: [
+          `suffix=-dev,onlatest=true`
+        ]
+      } as Inputs,
+      {
+        main: '1.1.1-dev',
+        partial: [],
+        latest: true
+      } as Version,
+      [
+        'org/app:1.1.1-dev',
+        'org/app:latest-dev',
+        'ghcr.io/user/app:1.1.1-dev',
+        'ghcr.io/user/app:latest-dev'
+      ],
+      [
+        "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=1.1.1-dev",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag22',
+      'event_tag_v1.1.1.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=semver,pattern={{version}}`,
+          `type=semver,pattern={{major}}.{{minor}}.{{patch}}`
+        ],
+        flavor: [
+          `prefix=foo-,onlatest=true`,
+          `suffix=-dev,onlatest=true`
+        ]
+      } as Inputs,
+      {
+        main: 'foo-1.1.1-dev',
+        partial: [],
+        latest: true
+      } as Version,
+      [
+        'org/app:foo-1.1.1-dev',
+        'org/app:foo-latest-dev',
+        'ghcr.io/user/app:foo-1.1.1-dev',
+        'ghcr.io/user/app:foo-latest-dev'
+      ],
+      [
+        "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=foo-1.1.1-dev",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag23',
+      'event_tag_v1.1.1.env',
+      {
+        images: ['org/app'],
+        tags: [
+          `type=pep440,pattern={{raw}}`,
+          `type=pep440,pattern={{major}}.{{minor}}`
+        ]
+      } as Inputs,
+      {
+        main: 'v1.1.1',
+        partial: ['1.1'],
+        latest: true
+      } as Version,
+      [
+        'org/app:v1.1.1',
+        'org/app:1.1',
+        'org/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=v1.1.1",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag24',
+      'event_tag_1.2.env',
+      {
+        images: ['org/app'],
+        tags: [
+          `type=pep440,pattern={{version}}`,
+          `type=pep440,pattern={{major}}.{{minor}}`
+        ]
+      } as Inputs,
+      {
+        main: '1.2',
+        partial: [],
+        latest: true
+      } as Version,
+      [
+        'org/app:1.2',
+        'org/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",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag25',
+      'event_tag_1.1beta2.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=pep440,pattern={{major}}.{{minor}}`,
+          `type=pep440,pattern={{major}}`
+        ]
+      } as Inputs,
+      {
+        main: '1.1b2',
+        partial: [],
+        latest: false
+      } as Version,
+      [
+        'org/app:1.1b2',
+        'ghcr.io/user/app:1.1b2'
+      ],
+      [
+        "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=1.1b2",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag26',
+      'event_tag_1.0dev4.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=pep440,pattern={{major}}.{{minor}}`,
+          `type=pep440,pattern={{major}}`
+        ]
+      } as Inputs,
+      {
+        main: '1.0.dev4',
+        partial: [],
+        latest: false
+      } as Version,
+      [
+        'org/app:1.0.dev4',
+        'ghcr.io/user/app:1.0.dev4'
+      ],
+      [
+        "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.dev4",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag27',
+      'event_tag_1.2.3rc2.env',
+      {
+        images: ['org/app', 'ghcr.io/user/app'],
+        tags: [
+          `type=pep440,pattern={{raw}}`,
+          `type=pep440,pattern={{version}}`,
+          `type=pep440,pattern={{major}}.{{minor}}`,
+          `type=pep440,pattern={{major}}`
+        ]
+      } as Inputs,
+      {
+        main: '1.2.3rc2',
+        partial: [],
+        latest: false
+      } as Version,
+      [
+        'org/app:1.2.3rc2',
+        'ghcr.io/user/app:1.2.3rc2'
+      ],
+      [
+        "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=1.2.3rc2",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag28',
+      'event_tag_v1.1.1.env',
+      {
+        images: ['org/app'],
+        tags: [
+          `type=pep440,pattern={{version}}`,
+          `type=pep440,pattern={{major}}.{{minor}}.{{patch}}`,
+          `type=pep440,pattern={{major}}.{{minor}}`,
+          `type=pep440,pattern={{major}}`
+        ]
+      } as Inputs,
+      {
+        main: '1.1.1',
+        partial: [
+          "1.1",
+          "1"
+        ],
+        latest: true
+      } as Version,
+      [
+        'org/app:1.1.1',
+        'org/app:1.1',
+        'org/app:1',
+        'org/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=1.1.1",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag29',
+      'event_tag_1.2post1.env',
+      {
+        images: ['org/app'],
+        tags: [
+          `type=pep440,pattern={{version}}`,
+          `type=pep440,pattern={{major}}.{{minor}}`,
+          `type=pep440,pattern={{major}}`
+        ]
+      } as Inputs,
+      {
+        main: '1.2.post1',
+        partial: [],
+        latest: false
+      } as Version,
+      [
+        'org/app:1.2.post1'
+      ],
+      [
+        "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.post1",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
+    [
+      'tag30',
+      'event_tag_sometag.env',
+      {
+        images: ['ghcr.io/user/app'],
+        tags: [
+          `type=ref,event=tag`,
+          `type=pep440,pattern={{version}}`,
+          `type=pep440,pattern={{major}}.{{minor}}`,
+          `type=pep440,pattern={{major}}`
+        ],
+        flavor: [
+          `latest=false`
+        ]
+      } as Inputs,
+      {
+        main: 'sometag',
+        partial: [],
+        latest: false
+      } as Version,
+      [
+        '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.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=90dd6032fac8bda1b6c4436a2e65de27961ed071",
+        "org.opencontainers.image.licenses=MIT"
+      ]
+    ],
   ])('given %p with %p event', tagsLabelsTest);
 });
 
@@ -1841,6 +2189,43 @@ describe('pr', () => {
         "org.opencontainers.image.revision=f24900bfcfee76d8055c8421a164c7e57ad20e68",
         "org.opencontainers.image.licenses=MIT"
       ]
+    ],
+    [
+      'pr09',
+      'event_pull_request_target.env',
+      {
+        images: ['org/app'],
+        tags: [
+          `type=ref,event=tag`,
+          `type=ref,event=pr`,
+          `type=ref,event=branch`,
+          `type=sha`,
+          `type=sha,format=long`
+        ]
+      } as Inputs,
+      {
+        main: 'pr-8',
+        partial: [
+          'sha-f24900b',
+          'sha-f24900bfcfee76d8055c8421a164c7e57ad20e68'
+        ],
+        latest: false
+      } as Version,
+      [
+        'org/app:pr-8',
+        'org/app:sha-f24900b',
+        'org/app:sha-f24900bfcfee76d8055c8421a164c7e57ad20e68'
+      ],
+      [
+        "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=pr-8",
+        "org.opencontainers.image.created=2020-01-10T00:30:00.000Z",
+        "org.opencontainers.image.revision=f24900bfcfee76d8055c8421a164c7e57ad20e68",
+        "org.opencontainers.image.licenses=MIT"
+      ]
     ]
   ])('given %p with %p event', tagsLabelsTest);
 });

codecov.yml

@@ -0,0 +1,3 @@
+comment: false
+github_checks:
+  annotations: false

package.json

@@ -29,23 +29,24 @@
   ],
   "license": "Apache-2.0",
   "dependencies": {
-    "@actions/core": "^1.2.7",
+    "@actions/core": "^1.5.0",
-    "@actions/github": "^4.0.0",
+    "@actions/github": "^5.0.0",
-    "csv-parse": "^4.15.4",
+    "@renovate/pep440": "^1.0.0",
+    "csv-parse": "^4.16.0",
     "handlebars": "^4.7.7",
     "moment": "^2.29.1",
     "semver": "^7.3.5"
   },
   "devDependencies": {
-    "@types/jest": "^26.0.0",
+    "@types/jest": "^26.0.23",
-    "@types/node": "^14.11.2",
+    "@types/node": "^14.17.4",
-    "@vercel/ncc": "^0.24.1",
+    "@vercel/ncc": "^0.28.6",
-    "dotenv": "^8.2.0",
+    "dotenv": "^8.6.0",
-    "jest": "^26.0.1",
+    "jest": "^26.6.3",
-    "jest-circus": "^26.0.1",
+    "jest-circus": "^26.6.3",
-    "jest-runtime": "^26.0.1",
+    "jest-runtime": "^26.6.3",
-    "prettier": "^2.0.4",
+    "prettier": "^2.3.2",
-    "ts-jest": "^26.4.1",
+    "ts-jest": "^26.5.6",
-    "typescript": "^4.0.3"
+    "typescript": "^4.3.5"
   }
 }

src/flavor.ts

@@ -1,41 +1,71 @@
 import * as core from '@actions/core';
+import csvparse from 'csv-parse/lib/sync';
 
 export interface Flavor {
   latest: string;
   prefix: string;
+  prefixLatest: boolean;
   suffix: string;
+  suffixLatest: boolean;
 }
 
 export function Transform(inputs: string[]): Flavor {
   const flavor: Flavor = {
     latest: 'auto',
     prefix: '',
-    suffix: ''
+    prefixLatest: false,
+    suffix: '',
+    suffixLatest: false
   };
 
   for (const input of inputs) {
-    const parts = input.split('=', 2);
+    const fields = csvparse(input, {
-    if (parts.length == 1) {
+      relaxColumnCount: true,
-      throw new Error(`Invalid entry: ${input}`);
+      skipLinesWithEmptyValues: true
-    }
+    })[0];
-    switch (parts[0]) {
+    let onlatestfor = '';
-      case 'latest': {
+    for (const field of fields) {
-        flavor.latest = parts[1];
+      const parts = field.toString().split('=', 2);
-        if (!['auto', 'true', 'false'].includes(flavor.latest)) {
+      if (parts.length == 1) {
-          throw new Error(`Invalid latest flavor entry: ${input}`);
+        throw new Error(`Invalid flavor entry: ${input}`);
+      }
+      switch (parts[0]) {
+        case 'latest': {
+          flavor.latest = parts[1];
+          if (!['auto', 'true', 'false'].includes(flavor.latest)) {
+            throw new Error(`Invalid latest flavor entry: ${input}`);
+          }
+          break;
+        }
+        case 'prefix': {
+          flavor.prefix = parts[1];
+          onlatestfor = 'prefix';
+          break;
+        }
+        case 'suffix': {
+          flavor.suffix = parts[1];
+          onlatestfor = 'suffix';
+          break;
+        }
+        case 'onlatest': {
+          if (!['true', 'false'].includes(parts[1])) {
+            throw new Error(`Invalid value for onlatest attribute: ${parts[1]}`);
+          }
+          switch (onlatestfor) {
+            case 'prefix': {
+              flavor.prefixLatest = /true/i.test(parts[1]);
+              break;
+            }
+            case 'suffix': {
+              flavor.suffixLatest = /true/i.test(parts[1]);
+              break;
+            }
+          }
+          break;
+        }
+        default: {
+          throw new Error(`Unknown flavor entry: ${input}`);
         }
-        break;
-      }
-      case 'prefix': {
-        flavor.prefix = parts[1];
-        break;
-      }
-      case 'suffix': {
-        flavor.suffix = parts[1];
-        break;
-      }
-      default: {
-        throw new Error(`Unknown entry: ${input}`);
       }
     }
   }
@@ -43,7 +73,9 @@ export function Transform(inputs: string[]): Flavor {
   core.startGroup(`Processing flavor input`);
   core.info(`latest=${flavor.latest}`);
   core.info(`prefix=${flavor.prefix}`);
+  core.info(`prefixLatest=${flavor.prefixLatest}`);
   core.info(`suffix=${flavor.suffix}`);
+  core.info(`suffixLatest=${flavor.suffixLatest}`);
   core.endGroup();
 
   return flavor;

src/github.ts

@@ -1,18 +1,18 @@
 import * as github from '@actions/github';
 import {Context} from '@actions/github/lib/context';
-import {ReposGetResponseData} from '@octokit/types';
+import {components as OctoOpenApiTypes} from '@octokit/openapi-types';
+
+export type ReposGetResponseData = OctoOpenApiTypes['schemas']['repository'];
 
 export function context(): Context {
   return github.context;
 }
 
 export async function repo(token: string): Promise<ReposGetResponseData> {
-  const octokit = github.getOctokit(token);
+  return github
-  const repo = await octokit.repos.get({
+    .getOctokit(token)
-    ...github.context.repo
+    .rest.repos.get({
-  });
+      ...github.context.repo
-  if (!repo?.data) {
+    })
-    throw new Error('Cannot get GitHub repository');
+    .then(response => response.data as ReposGetResponseData);
-  }
-  return repo.data;
 }

src/main.ts

@@ -4,7 +4,6 @@ import * as github from './github';
 import {Meta, Version} from './meta';
 import * as core from '@actions/core';
 import {Context} from '@actions/github/lib/context';
-import {ReposGetResponseData} from '@octokit/types';
 
 async function run() {
   try {
@@ -14,7 +13,7 @@ async function run() {
     }
 
     const context: Context = github.context();
-    const repo: ReposGetResponseData = await github.repo(inputs.githubToken);
+    const repo: github.ReposGetResponseData = await github.repo(inputs.githubToken);
     core.startGroup(`Context info`);
     core.info(`eventName: ${context.eventName}`);
     core.info(`sha: ${context.sha}`);

src/meta.ts

@@ -2,13 +2,14 @@ import * as handlebars from 'handlebars';
 import * as fs from 'fs';
 import * as path from 'path';
 import moment from 'moment';
+import * as pep440 from '@renovate/pep440';
 import * as semver from 'semver';
 import {Inputs, tmpDir} from './context';
+import {ReposGetResponseData} from './github';
 import * as tcl from './tag';
 import * as fcl from './flavor';
 import * as core from '@actions/core';
 import {Context} from '@actions/github/lib/context';
-import {ReposGetResponseData} from '@octokit/types';
 
 export interface Version {
   main: string | undefined;
@@ -27,6 +28,12 @@ export class Meta {
   private readonly date: Date;
 
   constructor(inputs: Inputs, context: Context, repo: ReposGetResponseData) {
+    // Needs to override Git reference with pr ref instead of upstream branch ref
+    // for pull_request_target event
+    if (/pull_request_target/.test(context.eventName)) {
+      context.ref = `refs/pull/${context.payload.number}/merge`;
+    }
+
     this.inputs = inputs;
     this.context = context;
     this.repo = repo;
@@ -56,6 +63,10 @@ export class Meta {
           version = this.procSemver(version, tag);
           break;
         }
+        case tcl.Type.Pep440: {
+          version = this.procPep440(version, tag);
+          break;
+        }
         case tcl.Type.Match: {
           version = this.procMatch(version, tag);
           break;
@@ -141,6 +152,53 @@ export class Meta {
     return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? latest : this.flavor.latest == 'true');
   }
 
+  private procPep440(version: Version, tag: tcl.Tag): Version {
+    if (!/^refs\/tags\//.test(this.context.ref) && tag.attrs['value'].length == 0) {
+      return version;
+    }
+
+    let vraw: string;
+    if (tag.attrs['value'].length > 0) {
+      vraw = this.setGlobalExp(tag.attrs['value']);
+    } else {
+      vraw = this.context.ref.replace(/^refs\/tags\//g, '').replace(/\//g, '-');
+    }
+    if (!pep440.valid(vraw)) {
+      core.warning(`${vraw} does not conform to PEP 440. More info: https://www.python.org/dev/peps/pep-0440`);
+      return version;
+    }
+
+    let latest: boolean = false;
+    const pver = pep440.explain(vraw);
+    if (pver.is_prerelease || pver.is_postrelease || pver.is_devrelease) {
+      vraw = this.setValue(pep440.clean(vraw), tag);
+    } else {
+      vraw = this.setValue(
+        handlebars.compile(tag.attrs['pattern'])({
+          raw: function () {
+            return vraw;
+          },
+          version: function () {
+            return pep440.clean(vraw);
+          },
+          major: function () {
+            return pep440.major(vraw);
+          },
+          minor: function () {
+            return pep440.minor(vraw);
+          },
+          patch: function () {
+            return pep440.patch(vraw);
+          }
+        }),
+        tag
+      );
+      latest = true;
+    }
+
+    return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? latest : this.flavor.latest == 'true');
+  }
+
   private procMatch(version: Version, tag: tcl.Tag): Version {
     if (!/^refs\/tags\//.test(this.context.ref) && tag.attrs['value'].length == 0) {
       return version;
@@ -153,7 +211,6 @@ export class Meta {
       vraw = this.context.ref.replace(/^refs\/tags\//g, '').replace(/\//g, '-');
     }
 
-    let latest: boolean = false;
     let tmatch;
     const isRegEx = tag.attrs['pattern'].match(/^\/(.+)\/(.*)$/);
     if (isRegEx) {
@@ -191,15 +248,11 @@ export class Meta {
   }
 
   private procRefPr(version: Version, tag: tcl.Tag): Version {
-    let ref = this.context.ref;
+    if (!/^refs\/pull\//.test(this.context.ref)) {
-    if (/pull_request_target/.test(this.context.eventName)) {
-      ref = `refs/pull/${this.context.payload.number}/merge`;
-    }
-    if (!/^refs\/pull\//.test(ref)) {
       return version;
     }
 
-    const vraw = this.setValue(ref.replace(/^refs\/pull\//g, '').replace(/\/merge$/g, ''), tag);
+    const vraw = this.setValue(this.context.ref.replace(/^refs\/pull\//g, '').replace(/\/merge$/g, ''), tag);
     return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true');
   }
 
@@ -212,11 +265,11 @@ export class Meta {
     if (tag.attrs['branch'].length == 0) {
       tag.attrs['branch'] = this.repo.default_branch;
     }
-    if (tag.attrs['branch'] === val) {
+    if (tag.attrs['branch'] != val) {
-      val = 'edge';
+      return version;
     }
 
-    const vraw = this.setValue(val, tag);
+    const vraw = this.setValue('edge', tag);
     return Meta.setVersion(version, vraw, this.flavor.latest == 'auto' ? false : this.flavor.latest == 'true');
   }
 
@@ -270,6 +323,7 @@ export class Meta {
 
   private setGlobalExp(val): string {
     const ctx = this.context;
+    const currentDate = this.date;
     return handlebars.compile(val)({
       branch: function () {
         if (!/^refs\/heads\//.test(ctx.ref)) {
@@ -285,6 +339,9 @@ export class Meta {
       },
       sha: function () {
         return ctx.sha.substr(0, 7);
+      },
+      date: function (format) {
+        return moment(currentDate).utc().format(format);
       }
     });
   }
@@ -302,7 +359,7 @@ export class Meta {
         tags.push(`${imageLc}:${partial}`);
       }
       if (this.version.latest) {
-        tags.push(`${imageLc}:latest`);
+        tags.push(`${imageLc}:${this.flavor.prefixLatest ? this.flavor.prefix : ''}latest${this.flavor.suffixLatest ? this.flavor.suffix : ''}`);
       }
     }
     return tags;

src/pep440.d.ts

@@ -0,0 +1,39 @@
+interface ExplainedVersion {
+  epoch: number;
+  release: [number, number, number];
+  pre?: [string, number];
+  post?: number;
+  dev?: number;
+  local?: string;
+  public: string;
+  base_version: string;
+  is_prerelease: boolean;
+  is_devrelease: boolean;
+  is_postrelease: boolean;
+}
+
+interface Version {
+  epoch: number;
+  release: [number, number, number];
+  pre?: [string, number] | null;
+  post?: [string, number] | null;
+  dev?: [string, number] | null;
+  local?: Array<number> | null;
+  public: string;
+  base_version: string;
+}
+
+declare module '@renovate/pep440' {
+  function valid(version: string): string | null;
+  function clean(version: string): string;
+  function explain(version: string): ExplainedVersion;
+  function major(input: string): string;
+  function minor(input: string): string;
+  function patch(input: string): string;
+  function inc(input: string, release: string, preReleaseIdentifier?: string): string;
+}
+
+declare module '@renovate/pep440/lib/version' {
+  function stringify(parsed: Version): string;
+  function parse(version: string): Version;
+}

src/tag.ts

@@ -4,6 +4,7 @@ import * as core from '@actions/core';
 export enum Type {
   Schedule = 'schedule',
   Semver = 'semver',
+  Pep440 = 'pep440',
   Match = 'match',
   Edge = 'edge',
   Ref = 'ref',
@@ -42,6 +43,7 @@ export class Tag {
 export const DefaultPriorities: Record<Type, string> = {
   [Type.Schedule]: '1000',
   [Type.Semver]: '900',
+  [Type.Pep440]: '900',
   [Type.Match]: '800',
   [Type.Edge]: '700',
   [Type.Ref]: '600',
@@ -100,7 +102,7 @@ export function Parse(s: string): Tag {
       switch (key) {
         case 'type': {
           if (!Object.values(Type).includes(value)) {
-            throw new Error(`Unknown type attribute: ${value}`);
+            throw new Error(`Unknown tag type attribute: ${value}`);
           }
           tag.type = value;
           break;
@@ -124,7 +126,8 @@ export function Parse(s: string): Tag {
       }
       break;
     }
-    case Type.Semver: {
+    case Type.Semver:
+    case Type.Pep440: {
       if (!tag.attrs.hasOwnProperty('pattern')) {
         throw new Error(`Missing pattern attribute for ${s}`);
       }