fix(config): config set key=value should work (#5899)

ref #5889

.changeset/fast-chefs-sip.md

@@ -0,0 +1,6 @@
+---
+"@pnpm/plugin-commands-config": patch
+"pnpm": patch
+---
+
+`pnpm config set key=value` should work the same as `pnpm config set key value` [#5889](https://github.com/pnpm/pnpm/issues/5889).

config/plugin-commands-config/src/config.ts

@@ -77,7 +77,13 @@ export async function handler (opts: ConfigCommandOptions, params: string[]) {
   }
   switch (params[0]) {
   case 'set': {
-    return configSet(opts, params[1], params[2] ?? '')
+    let [key, value] = params.slice(1)
+    if (value == null) {
+      const parts = key.split('=')
+      key = parts.shift()!
+      value = parts.join('=')
+    }
+    return configSet(opts, key, value ?? '')
   }
   case 'get': {
     return configGet(opts, params[1])

config/plugin-commands-config/test/configSet.test.ts

@@ -78,3 +78,41 @@ test('config set in project .npmrc file', async () => {
     'fetch-retries': '1',
   })
 })
+
+test('config set key=value', async () => {
+  const tmp = tempDir()
+  const configDir = path.join(tmp, 'global-config')
+  fs.mkdirSync(configDir, { recursive: true })
+  fs.writeFileSync(path.join(tmp, '.npmrc'), 'store-dir=~/store')
+
+  await config.handler({
+    dir: process.cwd(),
+    configDir,
+    location: 'project',
+    rawConfig: {},
+  }, ['set', 'fetch-retries=1'])
+
+  expect(readIniFileSync(path.join(tmp, '.npmrc'))).toEqual({
+    'store-dir': '~/store',
+    'fetch-retries': '1',
+  })
+})
+
+test('config set key=value, when value contains a "="', async () => {
+  const tmp = tempDir()
+  const configDir = path.join(tmp, 'global-config')
+  fs.mkdirSync(configDir, { recursive: true })
+  fs.writeFileSync(path.join(tmp, '.npmrc'), 'store-dir=~/store')
+
+  await config.handler({
+    dir: process.cwd(),
+    configDir,
+    location: 'project',
+    rawConfig: {},
+  }, ['set', 'foo=bar=qar'])
+
+  expect(readIniFileSync(path.join(tmp, '.npmrc'))).toEqual({
+    'store-dir': '~/store',
+    foo: 'bar=qar',
+  })
+})