From 1fd5e181edc898187ff1e1be4fd715fa87d43bf0 Mon Sep 17 00:00:00 2001
From: Daniel Stockman <daniel.stockman@gmail.com>
Date: Tue, 15 Oct 2019 16:40:55 -0700
Subject: [PATCH] fix(npm-dist-tag): Respect `npm_config_dry_run` env var

---
 utils/npm-dist-tag/npm-dist-tag.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/utils/npm-dist-tag/npm-dist-tag.js b/utils/npm-dist-tag/npm-dist-tag.js
index 748f7a4c02..1066123ea0 100644
--- a/utils/npm-dist-tag/npm-dist-tag.js
+++ b/utils/npm-dist-tag/npm-dist-tag.js
@@ -12,6 +12,8 @@ exports.list = list;
 
 const DistTagConfig = figgyPudding(
   {
+    "dry-run": { default: false },
+    dryRun: "dry-run",
     log: { default: log },
     spec: {},
     tag: {},
@@ -35,6 +37,12 @@ function add(spec, tag, _opts, otpCache) {
 
   opts.log.verbose("dist-tag", `adding "${cleanTag}" to ${name}@${version}`);
 
+  // istanbul ignore next
+  if (opts.dryRun) {
+    opts.log.silly("dist-tag", "dry-run configured, bailing now");
+    return Promise.resolve();
+  }
+
   return fetchTags(opts).then(tags => {
     if (tags[cleanTag] === version) {
       opts.log.warn("dist-tag", `${name}@${cleanTag} already set to ${version}`);
@@ -72,6 +80,12 @@ function remove(spec, tag, _opts, otpCache) {
 
   opts.log.verbose("dist-tag", `removing "${tag}" from ${opts.spec.name}`);
 
+  // istanbul ignore next
+  if (opts.dryRun) {
+    opts.log.silly("dist-tag", "dry-run configured, bailing now");
+    return Promise.resolve();
+  }
+
   return fetchTags(opts).then(tags => {
     const version = tags[tag];
 
@@ -103,6 +117,12 @@ function list(spec, _opts) {
     spec: npa(spec),
   });
 
+  // istanbul ignore next
+  if (opts.dryRun) {
+    opts.log.silly("dist-tag", "dry-run configured, bailing now");
+    return Promise.resolve();
+  }
+
   return fetchTags(opts);
 }