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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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11 changed files with 397 additions and 90 deletions
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31
src/main.ts
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@ -4,6 +4,7 @@ import * as github from '@actions/github'
import {Webhooks} from '@octokit/webhooks'
import Filter from './filter'
import {File, ChangeStatus} from './file'
import * as git from './git'
async function run(): Promise<void> {
@ -53,7 +54,7 @@ function getConfigFileContent(configPath: string): string {
return fs.readFileSync(configPath, {encoding: 'utf8'})
}
async function getChangedFiles(token: string): Promise<string[] | null> {
async function getChangedFiles(token: string): Promise<File[] | null> {
if (github.context.eventName === 'pull_request') {
const pr = github.context.payload.pull_request as Webhooks.WebhookPayloadPullRequestPullRequest
return token ? await getChangedFilesFromApi(token, pr) : await getChangedFilesFromGit(pr.base.sha)
@ -64,7 +65,7 @@ async function getChangedFiles(token: string): Promise<string[] | null> {
}
}
async function getChangedFilesFromPush(): Promise<string[] | null> {
async function getChangedFilesFromPush(): Promise<File[] | null> {
const push = github.context.payload as Webhooks.WebhookPayloadPush
// No change detection for pushed tags
@ -86,7 +87,7 @@ async function getChangedFilesFromPush(): Promise<string[] | null> {
}
// Fetch base branch and use `git diff` to determine changed files
async function getChangedFilesFromGit(ref: string): Promise<string[]> {
async function getChangedFilesFromGit(ref: string): Promise<File[]> {
core.debug('Fetching base branch and using `git diff-index` to determine changed files')
await git.fetchCommit(ref)
// FETCH_HEAD will always point to the just fetched commit
@ -98,11 +99,11 @@ async function getChangedFilesFromGit(ref: string): Promise<string[]> {
async function getChangedFilesFromApi(
token: string,
pullRequest: Webhooks.WebhookPayloadPullRequestPullRequest
): Promise<string[]> {
): Promise<File[]> {
core.debug('Fetching list of modified files from Github API')
const client = new github.GitHub(token)
const pageSize = 100
const files: string[] = []
const files: File[] = []
for (let page = 0; page * pageSize < pullRequest.changed_files; page++) {
const response = await client.pulls.listFiles({
owner: github.context.repo.owner,
@ -112,7 +113,25 @@ async function getChangedFilesFromApi(
per_page: pageSize
})
for (const row of response.data) {
files.push(row.filename)
// There's no obvious use-case for detection of renames
// Therefore we treat it as if rename detection in git diff was turned off.
// Rename is replaced by delete of original filename and add of new filename
if (row.status === ChangeStatus.Renamed) {
files.push({
filename: row.filename,
status: ChangeStatus.Added
})
files.push({
// 'previous_filename' for some unknown reason isn't in the type definition or documentation
filename: (<any>row).previous_filename as string,
status: ChangeStatus.Deleted
})
} else {
files.push({
filename: row.filename,
status: row.status as ChangeStatus
})
}
}
}