From 6d6e29f2dc69db6ee4376bf1751636db76d3c787 Mon Sep 17 00:00:00 2001
From: Max Brunsfeld <maxbrunsfeld@gmail.com>
Date: Wed, 6 Feb 2019 11:56:12 -0800
Subject: [PATCH] Add usage info to version script

---
 script/version | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/script/version b/script/version
index 4373dcdb..e46898f7 100755
--- a/script/version
+++ b/script/version
@@ -20,7 +20,20 @@ if (npmVersion !== cargoVersion) {
   process.exit(1);
 }
 
-if (process.argv[2]) {
+const arg = process.argv[2];
+
+if (!arg) {
+  console.log([
+    `Usage: script/version major |minor | patch | <version-number>`,
+    '',
+    'Update the CLI version by the given increment or to the given',
+    'version number, creating a commit and tag for the new version.',
+    ''
+  ].join('\n'))
+  process.exit(1);
+}
+
+if (arg) {
   // Check that working directory is clean
   const diff = execFileSync(
     'git',