feat: add autocomplete (#720)

Author: rluvaton

README.md

@@ -14,6 +14,7 @@ CLI tools for Node.js Core collaborators.
   - [Setting up GitHub credentials](#setting-up-github-credentials)
   - [Setting up Jenkins credentials](#setting-up-jenkins-credentials)
   - [Make sure your credentials won't be committed](#make-sure-your-credentials-wont-be-committed)
+  - [Shell autocomplete](#shell-autocomplete)
   - [Troubleshooting](#troubleshooting)
 - [Contributing](#contributing)
 - [License](#license)
@@ -130,6 +131,11 @@ serialized configurations.
 If you ever accidentally commit your access token on GitHub, you can simply
 revoke that token and use a new one.
 
+### Shell autocomplete
+
+To add autocomplete just run `git-node completion` and follow the instructions.
+(same for the rest of the tools)
+
 ### Troubleshooting
 
 If you encounter an error that you cannot fix by yourself, please

bin/git-node.js

@@ -21,6 +21,7 @@ Promise.all(commandFiles.map(importCommand)).then((commands) => {
   const args = yargs(hideBin(process.argv));
   commands.forEach(command => args.command(command));
   args.command('help', false, () => {}, (yargs) => { yargs.showHelp(); })
+    .completion('completion')
     .demandCommand(1)
     .strict()
     .epilogue(epilogue)

bin/ncu-ci.js

@@ -53,6 +53,7 @@ const commandKeys = [
 ];
 
 const args = yargs(hideBin(process.argv))
+  .completion('completion')
   .command({
     command: 'rate <type>',
     desc: 'Calculate the green rate of a CI job in the last 100 runs',

bin/ncu-config.js

@@ -11,6 +11,7 @@ import { setVerbosityFromEnv } from '../lib/verbosity.js';
 setVerbosityFromEnv();
 
 const args = yargs(hideBin(process.argv))
+  .completion('completion')
   .command({
     command: 'set <key> <value>',
     desc: 'Set a config variable',

bin/ncu-team.js

@@ -13,23 +13,25 @@ import { setVerbosityFromEnv } from '../lib/verbosity.js';
 
 setVerbosityFromEnv();
 
-yargs(hideBin(process.argv)).command({
-  command: 'list <team> [org]',
-  desc: 'Get the list of members in a team',
-  builder: (yargs) => {
-    yargs
-      .positional('team', {
-        describe: 'Name of the team',
-        type: 'string'
-      })
-      .positional('org', {
-        describe: 'Name of the organization',
-        type: 'string',
-        default: 'nodejs'
-      });
-  },
-  handler
-})
+yargs(hideBin(process.argv))
+  .completion('completion')
+  .command({
+    command: 'list <team> [org]',
+    desc: 'Get the list of members in a team',
+    builder: (yargs) => {
+      yargs
+        .positional('team', {
+          describe: 'Name of the team',
+          type: 'string'
+        })
+        .positional('org', {
+          describe: 'Name of the organization',
+          type: 'string',
+          default: 'nodejs'
+        });
+    },
+    handler
+  })
   .command({
     command: 'sync <file>',
     desc: