Rename build to pipeline in code (#1224)

Ref:  #745

Co-authored-by: Anbraten <anton@ju60.de>
Co-authored-by: 6543 <6543@obermui.de>

pipeline/backend/local/local.go

@@ -1,3 +1,17 @@
+// Copyright 2022 Woodpecker Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package local
 
 import (
@@ -99,7 +113,7 @@ func (e *local) Wait(context.Context, *types.Step) (*types.State, error) {
 	ExitCode := 0
 	if eerr, ok := err.(*exec.ExitError); ok {
 		ExitCode = eerr.ExitCode()
-		// Non-zero exit code is a build failure, but not an agent error.
+		// Non-zero exit code is a pipeline failure, but not an agent error.
 		err = nil
 	}
 	return &types.State{