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main.ts
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main.ts
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import * as fs from 'fs'
import {Octokit} from '@octokit/core'
import {Endpoints} from '@octokit/types'
import * as core from '@actions/core'
import * as github from '@actions/github'
import * as path from 'path'
import * as glob from 'glob'
import {retry} from '@lifeomic/attempt'
const getRef = 'GET /repos/{owner}/{repo}/git/ref/{ref}' as const
const releaseByTag = 'GET /repos/{owner}/{repo}/releases/tags/{tag}' as const
const createRelease = 'POST /repos/{owner}/{repo}/releases' as const
const updateRelease =
'PATCH /repos/{owner}/{repo}/releases/{release_id}' as const
const repoAssets =
'GET /repos/{owner}/{repo}/releases/{release_id}/assets' as const
const uploadAssets =
'POST {origin}/repos/{owner}/{repo}/releases/{release_id}/assets{?name,label}' as const
const deleteAssets =
'DELETE /repos/{owner}/{repo}/releases/assets/{asset_id}' as const
type ReleaseByTagResp = Endpoints[typeof releaseByTag]['response']
type CreateReleaseResp = Endpoints[typeof createRelease]['response']
type RepoAssetsResp = Endpoints[typeof repoAssets]['response']['data']
type UploadAssetResp = Endpoints[typeof uploadAssets]['response']
type UpdateReleaseResp = Endpoints[typeof updateRelease]['response']
type UpdateReleaseParams = Endpoints[typeof updateRelease]['parameters']
async function get_release_by_tag(
tag: string,
draft: boolean,
prerelease: boolean,
make_latest: boolean,
release_name: string,
body: string,
octokit: Octokit,
overwrite: boolean,
promote: boolean,
target_commit: string
): Promise<ReleaseByTagResp | CreateReleaseResp | UpdateReleaseResp> {
let release: ReleaseByTagResp
try {
core.debug(`Getting release by tag ${tag}.`)
release = await octokit.request(releaseByTag, {
...repo(),
tag: tag
})
} catch (error: any) {
// If this returns 404, we need to create the release first.
if (error.status === 404) {
core.debug(
`Release for tag ${tag} doesn't exist yet so we'll create it now.`
)
if (target_commit) {
try {
await octokit.request(getRef, {
...repo(),
ref: `tags/${tag}`
})
core.warning(
`Ignoring target_commit as the tag ${tag} already exists`
)
} catch (tagError: any) {
if (tagError.status !== 404) {
throw tagError
}
}
}
return await octokit.request(createRelease, {
...repo(),
tag_name: tag,
draft: draft,
prerelease: prerelease,
make_latest: make_latest ? 'true' : 'false',
name: release_name,
body: body,
target_commitish: target_commit
})
} else {
throw error
}
}
let updateObject: Partial<UpdateReleaseParams> | undefined
if (promote && release.data.prerelease) {
core.debug(`The ${tag} is a prerelease, promoting it to a release.`)
updateObject = updateObject || {}
updateObject.prerelease = false
}
if (overwrite) {
if (release_name && release.data.name !== release_name) {
core.debug(
`The ${tag} release already exists with a different name ${release.data.name} so we'll overwrite it.`
)
updateObject = updateObject || {}
updateObject.name = release_name
}
if (body && release.data.body !== body) {
core.debug(
`The ${tag} release already exists with a different body ${release.data.body} so we'll overwrite it.`
)
updateObject = updateObject || {}
updateObject.body = body
}
}
if (updateObject) {
return octokit.request(updateRelease, {
...repo(),
...updateObject,
release_id: release.data.id
})
}
return release
}
async function upload_to_release(
release: ReleaseByTagResp | CreateReleaseResp | UpdateReleaseResp,
file: string,
asset_name: string,
tag: string,
overwrite: boolean,
octokit: ReturnType<(typeof github)['getOctokit']>
): Promise<undefined | string> {
const stat = fs.statSync(file)
if (!stat.isFile()) {
core.debug(`Skipping ${file}, since its not a file`)
return
}
const file_size = stat.size
if (file_size === 0) {
core.debug(`Skipping ${file}, since its size is 0`)
return
}
// Check for duplicates.
const assets: RepoAssetsResp = await octokit.paginate(repoAssets, {
...repo(),
release_id: release.data.id
})
const duplicate_asset = assets.find(a => a.name === asset_name)
if (duplicate_asset !== undefined) {
if (overwrite) {
core.debug(
`An asset called ${asset_name} already exists in release ${tag} so we'll overwrite it.`
)
await octokit.request(deleteAssets, {
...repo(),
asset_id: duplicate_asset.id
})
} else {
core.setFailed(`An asset called ${asset_name} already exists.`)
return duplicate_asset.browser_download_url
}
} else {
core.debug(
`No pre-existing asset called ${asset_name} found in release ${tag}. All good.`
)
}
core.debug(`Uploading ${file} to ${asset_name} in release ${tag}.`)
const uploaded_asset: UploadAssetResp = await retry(
async () => {
return octokit.request(uploadAssets, {
...repo(),
release_id: release.data.id,
url: release.data.upload_url,
name: asset_name,
data: fs.createReadStream(file) as any,
headers: {
'content-type': 'binary/octet-stream',
'content-length': file_size
}
})
},
{
maxAttempts: 3
}
)
return uploaded_asset.data.browser_download_url
}
function repo(): {owner: string; repo: string} {
const repo_name = core.getInput('repo_name')
// If we're not targeting a foreign repository, we can just return immediately and don't have to do extra work.
if (!repo_name) {
return github.context.repo
}
const owner = repo_name.substring(0, repo_name.indexOf('/'))
if (!owner) {
throw new Error(`Could not extract 'owner' from 'repo_name': ${repo_name}.`)
}
const repo_ = repo_name.substring(repo_name.indexOf('/') + 1)
if (!repo_) {
throw new Error(`Could not extract 'repo' from 'repo_name': ${repo_name}.`)
}
return {
owner,
repo: repo_
}
}
async function run(): Promise<void> {
try {
// Get the inputs from the workflow file: https://github.com/actions/toolkit/tree/master/packages/core#inputsoutputs
const token = core.getInput('repo_token', {required: true})
const file = core.getInput('file', {required: true})
const tag = core
.getInput('tag', {required: true})
.replace('refs/tags/', '')
.replace('refs/heads/', '')
const file_glob = core.getInput('file_glob') == 'true' ? true : false
const overwrite = core.getInput('overwrite') == 'true' ? true : false
const promote = core.getInput('promote') == 'true' ? true : false
const draft = core.getInput('draft') == 'true' ? true : false
const prerelease = core.getInput('prerelease') == 'true' ? true : false
const make_latest = core.getInput('make_latest') != 'false' ? true : false
const release_name = core.getInput('release_name')
const target_commit = core.getInput('target_commit')
const body = core
.getInput('body')
.replace(/%0A/gi, '\n')
.replace(/%0D/gi, '\r')
.replace(/%25/g, '%')
const octokit = github.getOctokit(token)
const release = await get_release_by_tag(
tag,
draft,
prerelease,
make_latest,
release_name,
body,
octokit,
overwrite,
promote,
target_commit
)
if (file_glob) {
const files = glob.sync(file)
if (files.length > 0) {
for (const file_ of files) {
const asset_name = path.basename(file_)
const asset_download_url = await upload_to_release(
release,
file_,
asset_name,
tag,
overwrite,
octokit
)
core.setOutput('browser_download_url', asset_download_url)
}
} else {
core.setFailed('No files matching the glob pattern found.')
}
} else {
const asset_name =
core.getInput('asset_name') !== ''
? core.getInput('asset_name').replace(/\$tag/g, tag)
: path.basename(file)
const asset_download_url = await upload_to_release(
release,
file,
asset_name,
tag,
overwrite,
octokit
)
core.setOutput('browser_download_url', asset_download_url)
}
} catch (error: any) {
core.setFailed(error.message)
}
}
run()