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// Copyright 2014 The Bazel Authors. All rights reserved.
//
// 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 com.google.devtools.build.lib.actions;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.vfs.PathFragment;
/**
* Exception to indicate that one {@link Action} has an output artifact whose path is a prefix of an
* output of another action. Since the first path cannot be both a directory and a file, this would
* lead to an error if both actions were executed in the same build.
*/
public class ArtifactPrefixConflictException extends Exception {
public ArtifactPrefixConflictException(PathFragment firstPath, PathFragment secondPath,
Label firstOwner, Label secondOwner) {
super(String.format(
"output path '%s' (belonging to %s) is a prefix of output path '%s' (belonging to %s). "
+ "These actions cannot be simultaneously present; please rename one of the output files "
+ "or, as a last resort, run 'blaze clean' and then build just one of them",
firstPath, firstOwner, secondPath, secondOwner));
}
}
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