CommitValidators: trim "ERROR" shouting from "forge committer" check

Change-Id: I848e210da540524142b0e44f7e826cc0d0a7646b
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/git/validators/CommitValidators.java b/gerrit-server/src/main/java/com/google/gerrit/server/git/validators/CommitValidators.java
index 5562ff5..9395ffb 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/git/validators/CommitValidators.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/git/validators/CommitValidators.java
@@ -544,8 +544,7 @@
         return Collections.emptyList();
       } catch (AuthException e) {
         throw new CommitValidationException(
-            "invalid author",
-            invalidEmail(receiveEvent.commit, "author", author, user, canonicalWebUrl));
+            "invalid author", invalidEmail("author", author, user, canonicalWebUrl));
       } catch (PermissionBackendException e) {
         log.error("cannot check FORGE_AUTHOR", e);
         throw new CommitValidationException("internal auth error");
@@ -578,8 +577,7 @@
         return Collections.emptyList();
       } catch (AuthException e) {
         throw new CommitValidationException(
-            "invalid committer",
-            invalidEmail(receiveEvent.commit, "committer", committer, user, canonicalWebUrl));
+            "invalid committer", invalidEmail("committer", committer, user, canonicalWebUrl));
       } catch (PermissionBackendException e) {
         log.error("cannot check FORGE_COMMITTER", e);
         throw new CommitValidationException("internal auth error");
@@ -747,42 +745,30 @@
   }
 
   private static CommitValidationMessage invalidEmail(
-      RevCommit c,
-      String type,
-      PersonIdent who,
-      IdentifiedUser currentUser,
-      String canonicalWebUrl) {
+      String type, PersonIdent who, IdentifiedUser currentUser, String canonicalWebUrl) {
     StringBuilder sb = new StringBuilder();
-    sb.append("\n");
-    sb.append("ERROR:  In commit ").append(c.name()).append("\n");
-    sb.append("ERROR:  ")
-        .append(type)
-        .append(" email address ")
+
+    sb.append("email address ")
         .append(who.getEmailAddress())
-        .append("\n");
-    sb.append("ERROR:  does not match your user account and you have no 'forge ")
+        .append(" is not registered in your account, and you lack 'forge ")
         .append(type)
         .append("' permission.\n");
-    sb.append("ERROR:\n");
+
     if (currentUser.getEmailAddresses().isEmpty()) {
-      sb.append("ERROR:  You have not registered any email addresses.\n");
+      sb.append("You have not registered any email addresses.\n");
     } else {
-      sb.append("ERROR:  The following addresses are currently registered:\n");
+      sb.append("The following addresses are currently registered:\n");
       for (String address : currentUser.getEmailAddresses()) {
-        sb.append("ERROR:    ").append(address).append("\n");
+        sb.append("   ").append(address).append("\n");
       }
     }
-    sb.append("ERROR:\n");
+
     if (canonicalWebUrl != null) {
-      sb.append("ERROR:  To register an email address, please visit:\n");
-      sb.append("ERROR:  ")
-          .append(canonicalWebUrl)
-          .append("#")
-          .append(PageLinks.SETTINGS_CONTACT)
-          .append("\n");
+      sb.append("To register an email address, visit:\n");
+      sb.append(canonicalWebUrl).append("#").append(PageLinks.SETTINGS_CONTACT).append("\n");
     }
     sb.append("\n");
-    return new CommitValidationMessage(sb.toString(), false);
+    return new CommitValidationMessage(sb.toString(), true);
   }
 
   /**