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Extend filter syntax with optional specification of file status: add, modified, deleted (#22)

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* Add support for specification of change type (add,modified,delete)

* Use NULL as separator in git-diff command output

* Improve PR test workflow

* Fix the workflow file
This commit is contained in:
Michal Dorner 2020-07-11 17:17:56 +02:00
parent caef9bef1f
commit 1ff702da35
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GPG key ID: 9EEE04B48DA36786
11 changed files with 397 additions and 90 deletions
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33
src/git.ts
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@ -1,4 +1,6 @@
import {exec} from '@actions/exec'
import * as core from '@actions/core'
import {File, ChangeStatus} from './file'
export const NULL_SHA = '0000000000000000000000000000000000000000'
export const FETCH_HEAD = 'FETCH_HEAD'
@ -10,9 +12,9 @@ export async function fetchCommit(ref: string): Promise<void> {
}
}
export async function getChangedFiles(ref: string): Promise<string[]> {
export async function getChangedFiles(ref: string, cmd = exec): Promise<File[]> {
let output = ''
const exitCode = await exec('git', ['diff-index', '--name-only', ref], {
const exitCode = await cmd('git', ['diff-index', '--name-status', '-z', ref], {
listeners: {
stdout: (data: Buffer) => (output += data.toString())
}
@ -22,10 +24,20 @@ export async function getChangedFiles(ref: string): Promise<string[]> {
throw new Error(`Couldn't determine changed files`)
}
return output
.split('\n')
.map(s => s.trim())
.filter(s => s.length > 0)
// Previous command uses NULL as delimiters and output is printed to stdout.
// We have to make sure next thing written to stdout will start on new line.
// Otherwise things like ::set-output wouldn't work.
core.info('')
const tokens = output.split('\u0000').filter(s => s.length > 0)
const files: File[] = []
for (let i = 0; i + 1 < tokens.length; i += 2) {
files.push({
status: statusMap[tokens[i]],
filename: tokens[i + 1]
})
}
return files
}
export function isTagRef(ref: string): boolean {
@ -44,3 +56,12 @@ export function trimRefsHeads(ref: string): string {
function trimStart(ref: string, start: string): string {
return ref.startsWith(start) ? ref.substr(start.length) : ref
}
const statusMap: {[char: string]: ChangeStatus} = {
A: ChangeStatus.Added,
C: ChangeStatus.Copied,
D: ChangeStatus.Deleted,
M: ChangeStatus.Modified,
R: ChangeStatus.Renamed,
U: ChangeStatus.Unmerged
}