Let It Go

src/common.ts

@@ -0,0 +1,53 @@
+import * as core from '@actions/core'
+import * as tmp from 'tmp'
+import * as fs from 'fs'
+import * as semver from 'semver'
+import {context} from '@actions/github'
+import {String} from 'typescript-string-operations'
+
+const minimalWerfVersion = 'v1.1.17'
+
+export async function SetupKubeConfig(
+  kubeConfigBase64Data: string
+): Promise<void> {
+  const tmpFile = tmp.fileSync({keep: true})
+  const buf = Buffer.from(kubeConfigBase64Data, 'base64').toString('ascii')
+  fs.writeFileSync(tmpFile.name, buf)
+
+  process.env.KUBECONFIG = tmpFile.name
+  core.exportVariable('KUBECONFIG', tmpFile.name)
+}
+
+export function ProcessGitHubContext(): void {
+  if (context.eventName === 'pull_request') {
+    if (context.payload.pull_request) {
+      const baseSha = context.payload.pull_request.base.sha
+      const headSha = context.payload.pull_request.head.sha
+
+      process.env.WERF_VIRTUAL_MERGE = '1'
+      process.env.WERF_VIRTUAL_MERGE_FROM_COMMIT = headSha
+      process.env.WERF_VIRTUAL_MERGE_INTO_COMMIT = baseSha
+
+      core.exportVariable('WERF_VIRTUAL_MERGE', '1')
+      core.exportVariable('WERF_VIRTUAL_MERGE_FROM_COMMIT', headSha)
+      core.exportVariable('WERF_VIRTUAL_MERGE_INTO_COMMIT', baseSha)
+    }
+  }
+}
+
+export function ValidateWerfVersion(version: string): void {
+  const ver = semver.coerce(version)
+  if (ver) {
+    if (semver.gte(ver, minimalWerfVersion)) {
+      return
+    }
+  }
+
+  throw new Error(
+    String.Format(
+      'werf version {0} is not supported (expected version should be equal or lower than {1})',
+      version.trim(),
+      minimalWerfVersion
+    )
+  )
+}