Ensure CLI builds have a non-zero exit code on failure (#10703)

* ensure simple builds have a non-zero exit code on failure

This is not used for the watcher.

* update changelog

CHANGELOG.md

@@ -23,6 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Disallow multiple selectors in arbitrary variants ([#10655](https://github.com/tailwindlabs/tailwindcss/pull/10655))
 - Sort class lists deterministically for Prettier plugin ([#10672](https://github.com/tailwindlabs/tailwindcss/pull/10672))
+- Ensure CLI builds have a non-zero exit code on failure ([#10703](https://github.com/tailwindlabs/tailwindcss/pull/10703))
 
 ### Changed
 

src/cli/build/index.js

@@ -44,6 +44,9 @@ export async function build(args, configs) {
 
     await processor.watch()
   } else {
-    await processor.build()
+    await processor.build().catch((e) => {
+      console.error(e)
+      process.exit(1)
+    })
   }
 }

src/cli/build/plugin.js

@@ -383,7 +383,11 @@ export async function createProcessor(args, cliConfigPath) {
           // The watcher will start watching the imported CSS files and will be
           // resilient to future errors.
 
-          console.error(err)
+          if (state.watcher) {
+            console.error(err)
+          } else {
+            return Promise.reject(err)
+          }
         }
       )
   }

src/oxide/cli/build/index.ts

@@ -42,6 +42,9 @@ export async function build(args, configs) {
 
     await processor.watch()
   } else {
-    await processor.build()
+    await processor.build().catch((e) => {
+      console.error(e)
+      process.exit(1)
+    })
   }
 }

src/oxide/cli/build/plugin.ts

@@ -380,7 +380,11 @@ export async function createProcessor(args, cliConfigPath) {
           // The watcher will start watching the imported CSS files and will be
           // resilient to future errors.
 
-          console.error(err)
+          if (state.watcher) {
+            console.error(err)
+          } else {
+            return Promise.reject(err)
+          }
         }
       )
   }