Add versionist.conf.js

Signed-off-by: Kyle Harding <[email protected]>

Author: klutchell

versionist.conf.js

@@ -0,0 +1,100 @@
+'use strict';
+
+const execSync = require('child_process').execSync;
+const fs = require('fs')
+const path = require('path')
+const os = require('os')
+
+const getAuthor = (commitHash) => {
+  return execSync(`git show --quiet --format="%an" ${commitHash}`, {
+    encoding: 'utf8'
+  }).replace('\n', '');
+};
+
+// Install balena-semver to a temporary directory
+const install_semver = async () => {
+  const tmpDir = path.join(os.tmpdir(), 'versionist')
+  fs.mkdirSync(tmpDir, { recursive: true })
+
+  return execSync(`npm install balena-semver@^3.0.2 --prefix "${tmpDir}"`, {
+    encoding: 'utf8'
+  }).replace('\n', '')
+}
+
+const getRev = async (documentedVersions, history, callback) => {
+  await install_semver()
+  const semver = require(path.join(os.tmpdir(), 'versionist/node_modules/balena-semver'))
+
+  const latestDocumented = documentedVersions.sort(semver.compare).pop().trim()
+  if (!latestDocumented) {
+    return callback(new Error('Could not determine version from documentedVersions'))
+  }
+  console.log(`latestDocumented: ${latestDocumented}`)
+
+  // Extract ARG DNSCRYPT_PROXY_VERSION from Dockerfile
+  const dockerfile = fs.readFileSync('Dockerfile', 'utf8')
+  const argVersion = dockerfile.match(/ARG DNSCRYPT_PROXY_VERSION=(\d+\.\d+\.\d+)/)[1]
+
+  if (!argVersion) {
+    return callback(new Error('Could not determine version from Dockerfile'))
+  }
+
+  console.log(`argVersion: ${argVersion}`)
+
+  const latestDocumentedRevision = latestDocumented.includes('rev')? latestDocumented : `${semver.parse(latestDocumented).version}+rev0`
+
+  // semver.gt will ignore the revision numbers but still compare the version
+  // If argVersion <= latestDocumented then the latestDocumented version is a revision of the current argVersion
+  const latestVersion = semver.gt(argVersion, latestDocumentedRevision) ? `${argVersion}+rev0` : latestDocumentedRevision
+
+  console.log(`latestVersion: ${latestVersion}`)
+  return callback(null, latestVersion)
+}
+
+module.exports = {
+  editChangelog: true,
+  parseFooterTags: true,
+  updateVersion: (cwd, ver, cb) => cb(),
+
+  addEntryToChangelog: {
+    preset: 'prepend',
+    fromLine: 6
+  },
+
+  getChangelogDocumentedVersions: {
+    preset: 'changelog-headers',
+    clean: /^v/
+  },
+
+  includeCommitWhen: (commit) => { return true; },
+  getIncrementLevelFromCommit: (commit) => {
+    return 'patch'
+  },
+  incrementVersion: (currentVersion, incrementLevel) => {
+    const semver = require(path.join(os.tmpdir(), 'versionist/node_modules/balena-semver'))
+
+    const parsedCurrentVersion = semver.parse(currentVersion)
+    console.log(`parsedCurrentVersion: ${JSON.stringify(parsedCurrentVersion)}`)
+    if (parsedCurrentVersion.build != null && parsedCurrentVersion.build.length > 0) {
+      let revision = Number(String(parsedCurrentVersion.build).split('rev').pop())
+      console.log(`revision: ${revision}`)
+      if (!Number.isFinite(revision)) {
+        throw new Error(`Could not extract revision number from ${currentVersion}`)
+      }
+      return  `${parsedCurrentVersion.version}+rev${revision + 1}`
+    }
+    return `${parsedCurrentVersion.version}`
+  },
+
+  getCurrentBaseVersion: getRev,
+  // If a 'changelog-entry' tag is found, use this as the subject rather than the
+  // first line of the commit.
+  transformTemplateData: (data) => {
+    data.commits.forEach((commit) => {
+      commit.subject = commit.footer['changelog-entry'] || commit.subject;
+      commit.author = getAuthor(commit.hash);
+    });
+
+    return data;
+  }
+}