2020-07-15 12:18:02 -05:00

121 lines
3.6 KiB
TypeScript

import * as core from "@actions/core"
import * as httpm from "@actions/http-client"
// TODO: make a class
export type Version = {
major: number
minor: number
patch: number | null
}
const versionRe = /^v(\d+)\.(\d+)(?:\.(\d+))?$/
const parseVersion = (s: string): Version => {
const match = s.match(versionRe)
if (!match) {
throw new Error(`invalid version string '${s}', expected format v1.2 or v1.2.3`)
}
return {
major: parseInt(match[1]),
minor: parseInt(match[2]),
patch: match[3] === undefined ? null : parseInt(match[3]),
}
}
export const stringifyVersion = (v: Version): string => `v${v.major}.${v.minor}${v.patch !== null ? `.${v.patch}` : ``}`
const minVersion = {
major: 1,
minor: 28,
patch: 3,
}
const isLessVersion = (a: Version, b: Version): boolean => {
if (a.major != b.major) {
return a.major < b.major
}
// Do not compare patch parts because if the min version has a non zero value
// then it returns false, since the patch version of requested is always zero
return a.minor < b.minor
}
const getRequestedLintVersion = (): Version => {
const requestedLintVersion = core.getInput(`version`, { required: true })
const parsedRequestedLintVersion = parseVersion(requestedLintVersion)
if (parsedRequestedLintVersion.patch !== null) {
throw new Error(
`requested golangci-lint version '${requestedLintVersion}' was specified with the patch version, need specify only minor version`
)
}
if (isLessVersion(parsedRequestedLintVersion, minVersion)) {
throw new Error(
`requested golangci-lint version '${requestedLintVersion}' isn't supported: we support only ${stringifyVersion(
minVersion
)} and later versions`
)
}
return parsedRequestedLintVersion
}
export type VersionConfig = {
Error?: string
TargetVersion: string
AssetURL: string
}
type Config = {
MinorVersionToConfig: {
[minorVersion: string]: VersionConfig
}
}
const getConfig = async (): Promise<Config> => {
const http = new httpm.HttpClient(`golangci/golangci-lint-action`, [], {
allowRetries: true,
maxRetries: 5,
})
try {
const url = `https://raw.githubusercontent.com/golangci/golangci-lint/master/assets/github-action-config.json`
const response: httpm.HttpClientResponse = await http.get(url)
if (response.message.statusCode !== 200) {
throw new Error(`failed to download from "${url}". Code(${response.message.statusCode}) Message(${response.message.statusMessage})`)
}
const body = await response.readBody()
return JSON.parse(body)
} catch (exc) {
throw new Error(`failed to get action config: ${exc.message}`)
}
}
export async function findLintVersion(): Promise<VersionConfig> {
core.info(`Finding needed golangci-lint version...`)
const startedAt = Date.now()
const reqLintVersion = getRequestedLintVersion()
const config = await getConfig()
if (!config.MinorVersionToConfig) {
core.warning(JSON.stringify(config))
throw new Error(`invalid config: no MinorVersionToConfig field`)
}
const versionConfig = config.MinorVersionToConfig[stringifyVersion(reqLintVersion)]
if (!versionConfig) {
throw new Error(`requested golangci-lint version '${stringifyVersion(reqLintVersion)}' doesn't exist`)
}
if (versionConfig.Error) {
throw new Error(`failed to use requested golangci-lint version '${stringifyVersion(reqLintVersion)}': ${versionConfig.Error}`)
}
core.info(
`Requested golangci-lint '${stringifyVersion(reqLintVersion)}', using '${versionConfig.TargetVersion}', calculation took ${
Date.now() - startedAt
}ms`
)
return versionConfig
}