feat: add dry-run to deprecate/undeprecate commands

Author: wraithgar

lib/commands/deprecate.js

@@ -14,6 +14,7 @@ class Deprecate extends BaseCommand {
   static params = [
     'registry',
     'otp',
+    'dry-run',
   ]
 
   static ignoreImplicitWorkspace = true
@@ -56,17 +57,26 @@ class Deprecate extends BaseCommand {
     const versions = Object.keys(packument.versions)
       .filter(v => semver.satisfies(v, spec, { includePrerelease: true }))
 
+    const dryRun = this.npm.config.get('dry-run')
+
     if (versions.length) {
       for (const v of versions) {
         packument.versions[v].deprecated = msg
+        if (msg) {
+          log.notice(`deprecating ${packument.name}@${v} with message "${msg}"`)
+        } else {
+          log.notice(`undeprecating ${packument.name}@${v}`)
+        }
+      }
+      if (!dryRun) {
+        return otplease(this.npm, this.npm.flatOptions, opts => npmFetch(uri, {
+          ...opts,
+          spec: p,
+          method: 'PUT',
+          body: packument,
+          ignoreBody: true,
+        }))
       }
-      return otplease(this.npm, this.npm.flatOptions, opts => npmFetch(uri, {
-        ...opts,
-        spec: p,
-        method: 'PUT',
-        body: packument,
-        ignoreBody: true,
-      }))
     } else {
       log.warn('deprecate', 'No version found for', p.rawSpec)
     }

test/lib/commands/deprecate.js

@@ -129,7 +129,7 @@ t.test('deprecates given range', async t => {
 })
 
 t.test('deprecates all versions when no range is specified', async t => {
-  const { npm, joinedOutput } = await loadMockNpm(t, { config: { ...auth } })
+  const { npm, logs, joinedOutput } = await loadMockNpm(t, { config: { ...auth } })
   const registry = new MockRegistry({
     tap: t,
     registry: npm.config.get('registry'),
@@ -151,6 +151,37 @@ t.test('deprecates all versions when no range is specified', async t => {
   }).reply(200, {})
 
   await npm.exec('deprecate', ['foo', message])
+  t.match(logs.notice, [
+    `deprecating [email protected] with message "${message}"`,
+    `deprecating [email protected] with message "${message}"`,
+    `deprecating [email protected] with message "${message}"`,
+  ])
+  t.match(joinedOutput(), '')
+})
+
+t.test('dry-run', async t => {
+  const { npm, logs, joinedOutput } = await loadMockNpm(t, { config: {
+    'dry-run': true,
+    ...auth,
+  } })
+  const registry = new MockRegistry({
+    tap: t,
+    registry: npm.config.get('registry'),
+    authorization: token,
+  })
+  const manifest = registry.manifest({
+    name: 'foo',
+    versions,
+  })
+  await registry.package({ manifest, query: { write: true } })
+  const message = 'test deprecation message'
+
+  await npm.exec('deprecate', ['foo', message])
+  t.match(logs.notice, [
+    `deprecating [email protected] with message "${message}"`,
+    `deprecating [email protected] with message "${message}"`,
+    `deprecating [email protected] with message "${message}"`,
+  ])
   t.match(joinedOutput(), '')
 })