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DOCKER_METADATA_SHORT_SHA_LENGTH env var to customize short commit SHA length

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Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
This commit is contained in:
CrazyMax
2024-10-31 10:27:42 +01:00
parent bb9c6dd583
commit c6cb763bee
3 changed files with 71 additions and 6 deletions
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20
src/meta.ts
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@ -14,6 +14,8 @@ import * as icl from './image';
import * as tcl from './tag';
import * as fcl from './flavor';
const defaultShortShaLength = 12;
export interface Version {
main: string | undefined;
partial: string[];
@ -307,7 +309,7 @@ export class Meta {
let val = this.context.sha;
if (tag.attrs['format'] === tcl.ShaFormat.Short) {
val = this.context.sha.substring(0, 12);
val = Meta.shortSha(this.context.sha);
}
const vraw = this.setValue(val, tag);
@ -373,7 +375,7 @@ export class Meta {
return context.ref.replace(/^refs\/tags\//g, '');
},
sha: function () {
return context.sha.substring(0, 12);
return Meta.shortSha(context.sha);
},
base_ref: function () {
if (/^refs\/tags\//.test(context.ref) && context.payload?.base_ref != undefined) {
@ -593,4 +595,18 @@ export class Meta {
private static sanitizeTag(tag: string): string {
return tag.replace(/[^a-zA-Z0-9._-]+/g, '-');
}
private static shortSha(sha: string): string {
let shortShaLength = defaultShortShaLength;
if (process.env.DOCKER_METADATA_SHORT_SHA_LENGTH) {
if (isNaN(Number(process.env.DOCKER_METADATA_SHORT_SHA_LENGTH))) {
throw new Error(`DOCKER_METADATA_SHORT_SHA_LENGTH is not a valid number: ${process.env.DOCKER_METADATA_SHORT_SHA_LENGTH}`);
}
shortShaLength = Number(process.env.DOCKER_METADATA_SHORT_SHA_LENGTH);
}
if (shortShaLength >= sha.length) {
return sha;
}
return sha.substring(0, shortShaLength);
}
}