feat: remove getLastRelease hook

BREAKING CHANGE: The `getLastRelease` hook is removed

The plugin is compatible only with `semantic-release@13.0.0` and above.

README.md

@@ -16,16 +16,6 @@ Execute a shell command to verify if the release should happen.
 | `stdout`         | Write only the reason for the verification to fail.                      |
 | `stderr`         | Can be used for logging.                                                 |
 
-## getLastRelease
-
-Execute a shell command to determine the last release.
-
-| Command property | Description                                                                                                                   |
-|------------------|-------------------------------------------------------------------------------------------------------------------------------|
-| `exit code`      | Any non `0` code is considered as an unexpected error and will stop the `semantic-release` execution with an error.           |
-| `stdout`         | Only the `lastRelease` must be written to `stdout` as parseable JSON (for example `{"version": "x.x.x", "gitHead": "xxxx"}`). |
-| `stderr`         | Can be used for logging.                                                                                                      |
-
 ## analyzeCommits
 
 Execute a shell command to determine the type release.

index.js

@@ -1,10 +1,9 @@
 const {castArray, isPlainObject} = require('lodash');
-const parseJson = require('parse-json');
 const SemanticReleaseError = require('@semantic-release/error');
 const execScript = require('./lib/exec-script');
 const verifyConfig = require('./lib/verify-config');
 
-const PLUGIN_TYPES = ['getLastRelease', 'analyzeCommits', 'verifyRelease', 'generateNotes', 'publish'];
+const PLUGIN_TYPES = ['analyzeCommits', 'verifyRelease', 'generateNotes', 'publish'];
 
 async function verifyConditions(pluginConfig, params) {
   for (const [option, value] of Object.entries(params.options || {})) {
@@ -29,11 +28,6 @@ async function verifyConditions(pluginConfig, params) {
   }
 }
 
-async function getLastRelease(pluginConfig, params) {
-  const stdout = await execScript(pluginConfig, params);
-  return stdout ? parseJson(stdout) : undefined;
-}
-
 async function analyzeCommits(pluginConfig, params) {
   const stdout = await execScript(pluginConfig, params);
   return stdout.trim() ? stdout : undefined;
@@ -55,4 +49,4 @@ async function publish(pluginConfig, params) {
   await execScript(pluginConfig, params);
 }
 
-module.exports = {verifyConditions, getLastRelease, analyzeCommits, verifyRelease, generateNotes, publish};
+module.exports = {verifyConditions, analyzeCommits, verifyRelease, generateNotes, publish};

package.json

@@ -19,8 +19,7 @@
     "@semantic-release/error": "^2.1.0",
     "debug": "^3.1.0",
     "execa": "^0.9.0",
-    "lodash": "^4.17.4",
-    "parse-json": "^4.0.0"
+    "lodash": "^4.17.4"
   },
   "devDependencies": {
     "ava": "^0.25.0",

test/verify-confitions.test.js

@@ -59,7 +59,7 @@ test.serial('Throw "SemanticReleaseError" if another script plugin "cmd" options
     logger: t.context.logger,
     options: {
       branch: 'master',
-      getLastRelease: ['@semantic-release/npm', {path: '@semantic-release/script', cmd: '  '}],
+      publish: ['@semantic-release/npm', {path: '@semantic-release/script', cmd: '  '}],
     },
   };