chore: check gazelle on CI (#586)

.aspect/workflows/config.yaml

@@ -4,14 +4,23 @@ env:
   CC: /bin/false
 workspaces:
   - .
-  - e2e/smoke
-  - e2e/coreutils
-  - e2e/copy_to_directory
-  - e2e/external_copy_to_directory
+  - e2e/smoke:
+      gazelle:
+        without: true
+  - e2e/coreutils:
+      gazelle:
+        without: true
+  - e2e/copy_to_directory:
+      gazelle:
+        without: true
+  - e2e/external_copy_to_directory:
+      gazelle:
+        without: true
 bazel:
   flags:
     - --remote_download_minimal
     - --nobuild_runfile_links
 tasks:
   branch_freshness:
+  gazelle:
   test:

BUILD.bazel

@@ -21,6 +21,13 @@ gazelle_binary(
 gazelle(
     name = "gazelle",
     gazelle = "gazelle_bin",
+    mode = "fix",
+)
+
+gazelle(
+    name = "gazelle.check",
+    gazelle = "gazelle_bin",
+    mode = "diff",
 )
 
 gazelle(