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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.analysis.skylark;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.skylarkinterface.Param;
import com.google.devtools.build.lib.skylarkinterface.SkylarkCallable;
import com.google.devtools.build.lib.skylarkinterface.SkylarkModule;
import com.google.devtools.build.lib.skylarkinterface.SkylarkModuleCategory;
import com.google.devtools.build.lib.syntax.SkylarkNestedSet;
/** A Skylark module class to create memory efficient command lines. */
@SkylarkModule(
name = "cmd_helper",
namespace = true,
category = SkylarkModuleCategory.BUILTIN,
doc = "Deprecated. Module for creating memory efficient command lines."
)
public class SkylarkCommandLine {
@SkylarkCallable(
name = "join_paths",
doc =
"Deprecated. Creates a single command line argument joining the paths of a set "
+ "of files on the separator string.",
parameters = {
@Param(name = "separator", type = String.class, doc = "the separator string to join on."),
@Param(
name = "files",
type = SkylarkNestedSet.class,
generic1 = Artifact.class,
doc = "the files to concatenate."
)
}
)
public String joinPaths(String separator, SkylarkNestedSet files) {
NestedSet<Artifact> artifacts = files.getSet(Artifact.class);
// TODO(bazel-team): lazy evaluate
return Artifact.joinExecPaths(separator, artifacts);
}
}
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