actions/paths-filter
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Improve change detection for feature branches (#16)

Browse source 
* Detect changes against configured base branch

* Update README and action.yml

* Add job.outputs example

* Update CHANGELOG
This commit is contained in:
Michal Dorner 2020-06-24 21:53:31 +02:00 • committed by GitHub
parent 7d201829e2
commit 83deb9f037
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8 changed files with 202 additions and 35 deletions
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30
src/git.ts
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@ -1,15 +1,18 @@
import {exec} from '@actions/exec'
export async function fetchCommit(sha: string): Promise<void> {
const exitCode = await exec('git', ['fetch', '--depth=1', 'origin', sha])
export const NULL_SHA = '0000000000000000000000000000000000000000'
export const FETCH_HEAD = 'FETCH_HEAD'
export async function fetchCommit(ref: string): Promise<void> {
const exitCode = await exec('git', ['fetch', '--depth=1', '--no-tags', 'origin', ref])
if (exitCode !== 0) {
throw new Error(`Fetching commit ${sha} failed`)
throw new Error(`Fetching ${ref} failed`)
}
}
export async function getChangedFiles(sha: string): Promise<string[]> {
export async function getChangedFiles(ref: string): Promise<string[]> {
let output = ''
const exitCode = await exec('git', ['diff-index', '--name-only', sha], {
const exitCode = await exec('git', ['diff-index', '--name-only', ref], {
listeners: {
stdout: (data: Buffer) => (output += data.toString())
}
@ -24,3 +27,20 @@ export async function getChangedFiles(sha: string): Promise<string[]> {
.map(s => s.trim())
.filter(s => s.length > 0)
}
export function isTagRef(ref: string): boolean {
return ref.startsWith('refs/tags/')
}
export function trimRefs(ref: string): string {
return trimStart(ref, 'refs/')
}
export function trimRefsHeads(ref: string): string {
const trimRef = trimStart(ref, 'refs/')
return trimStart(trimRef, 'heads/')
}
function trimStart(ref: string, start: string): string {
return ref.startsWith(start) ? ref.substr(start.length) : ref
}