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Merged
crazy-max merged 2 commits into from
Nov 4, 2025
Merged

tag-names output to return tag names without image base name #553

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ec2c9a3
tag-names output to return tag names without image base name
crazy-max Nov 4, 2025
9efc872
chore: update generated content
crazy-max Nov 4, 2025
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -314,6 +314,7 @@ The following outputs are available:
|-------------------------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `version` | String | Docker image version |
| `tags` | String | Docker tags |
| `tag-names` | String | Docker tag names without image base name |
| `labels` | String | Docker labels |
| `annotations` | String | [Annotations](https://github.com/moby/buildkit/blob/master/docs/annotations.md) |
| `json` | String | JSON output of tags and labels |
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41 changes: 41 additions & 0 deletions __tests__/meta.test.ts
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Expand Up @@ -3936,6 +3936,12 @@ describe('json', () => {
"user/app:custom",
"user/app:tags"
],
"tag-names": [
"dev",
"my",
"custom",
"tags"
],
"labels": {
"foo": "",
"org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
Expand Down Expand Up @@ -3974,6 +3980,10 @@ describe('json', () => {
"user/app:dev",
"user/app:my",
],
"tag-names": [
"dev",
"my",
],
"labels": {
"org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
"org.opencontainers.image.description": "This your first repo!",
Expand Down Expand Up @@ -4017,6 +4027,13 @@ describe('json', () => {
"user/app:tags",
"user/app:latest"
],
"tag-names": [
"release1",
"my",
"custom",
"tags",
"latest"
],
"labels": {
"org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
"org.opencontainers.image.description": "This your first repo!",
Expand Down Expand Up @@ -4061,6 +4078,12 @@ describe('json', () => {
"user/app:custom",
"user/app:tags"
],
"tag-names": [
"20200110",
"my",
"custom",
"tags"
],
"labels": {
"org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
"org.opencontainers.image.description": "This your first repo!",
Expand Down Expand Up @@ -4114,6 +4137,15 @@ describe('json', () => {
"ghcr.io/user/app:tags",
"ghcr.io/user/app:latest"
],
"tag-names": [
"1.1.1",
"1.1",
"1",
"my",
"custom",
"tags",
"latest",
],
"labels": {
"org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
"org.opencontainers.image.description": "This your first repo!",
Expand Down Expand Up @@ -4156,6 +4188,11 @@ describe('json', () => {
"ghcr.io/user/app:custom",
"ghcr.io/user/app:tags"
],
"tag-names": [
"my",
"custom",
"tags",
],
"labels": {
"org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
"org.opencontainers.image.description": "This your first repo!",
Expand Down Expand Up @@ -4196,6 +4233,10 @@ describe('json', () => {
"org/app:v1.1.1",
"org/app:latest"
],
"tag-names": [
"v1.1.1",
"latest"
],
"labels": {
"maintainer": "CrazyMax",
"org.opencontainers.image.created": "2020-01-10T00:30:00.000Z",
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2 changes: 2 additions & 0 deletions action.yml
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Expand Up @@ -48,6 +48,8 @@ outputs:
description: 'Generated Docker image version'
tags:
description: 'Generated Docker tags'
tag-names:
description: 'Generated Docker tag names without image base name'
labels:
description: 'Generated Docker labels'
annotations:
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2 changes: 1 addition & 1 deletion dist/index.js
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2 changes: 1 addition & 1 deletion dist/index.js.map
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3 changes: 2 additions & 1 deletion src/main.ts
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Expand Up @@ -47,7 +47,7 @@ actionsToolkit.run(
setOutput('version', version.main || '');

// Docker tags
const tags: Array<string> = meta.getTags();
const tags = meta.getTags();
if (tags.length == 0) {
core.warning('No Docker tag has been generated. Check tags input.');
} else {
Expand All @@ -58,6 +58,7 @@ actionsToolkit.run(
});
}
setOutput('tags', tags.join(inputs.sepTags));
setOutput('tag-names', meta.getTags(true).join(inputs.sepTags));

// Docker labels
const labels: Array<string> = meta.getLabels();
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39 changes: 22 additions & 17 deletions src/meta.ts
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Expand Up @@ -494,33 +494,37 @@ export class Meta {
return images;
}

public getTags(): Array<string> {
public getTags(namesOnly?: boolean): Array<string> {
if (!this.version.main) {
return [];
}

const generateTags = (imageName: string, version: string): Array<string> => {
const tags: Array<string> = [];
const prefix = imageName !== '' ? `${imageName}:` : '';
tags.push(`${prefix}${version}`);
for (const partial of this.version.partial) {
tags.push(`${prefix}${partial}`);
}
if (this.version.latest) {
const latestTag = `${this.flavor.prefixLatest ? this.flavor.prefix : ''}latest${this.flavor.suffixLatest ? this.flavor.suffix : ''}`;
tags.push(`${prefix}${Meta.sanitizeTag(latestTag)}`);
}
return tags;
};
if (namesOnly) {
return this.generateTags(this.version.main);
}

const tags: Array<string> = [];
const images = this.getImageNames();
if (images.length > 0) {
for (const imageName of images) {
tags.push(...generateTags(imageName, this.version.main));
tags.push(...this.generateTags(this.version.main, imageName));
}
} else {
tags.push(...generateTags('', this.version.main));
tags.push(...this.generateTags(this.version.main));
}

return tags;
}

private generateTags(version: string, imageName?: string): Array<string> {
const tags: Array<string> = [];
const prefix = imageName ? `${imageName}:` : '';
tags.push(`${prefix}${version}`);
for (const partial of this.version.partial) {
tags.push(`${prefix}${partial}`);
}
if (this.version.latest) {
const latestTag = `${this.flavor.prefixLatest ? this.flavor.prefix : ''}latest${this.flavor.suffixLatest ? this.flavor.suffix : ''}`;
tags.push(`${prefix}${Meta.sanitizeTag(latestTag)}`);
}
return tags;
}
Expand Down Expand Up @@ -568,6 +572,7 @@ export class Meta {
}
return {
tags: this.getTags(),
'tag-names': this.getTags(true),
labels: this.getLabels().reduce((res, label) => {
const matches = label.match(/([^=]*)=(.*)/);
if (!matches) {
Expand Down
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