1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
// Copyright 2014 Google Inc. 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.bazel.rules.sh;
import static com.google.devtools.build.lib.packages.Attribute.attr;
import static com.google.devtools.build.lib.packages.ImplicitOutputsFunction.fromTemplates;
import static com.google.devtools.build.lib.packages.Type.LABEL_LIST;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.analysis.BaseRuleClasses;
import com.google.devtools.build.lib.analysis.BlazeRule;
import com.google.devtools.build.lib.analysis.RuleDefinition;
import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment;
import com.google.devtools.build.lib.packages.Attribute.AllowedValueSet;
import com.google.devtools.build.lib.packages.ImplicitOutputsFunction;
import com.google.devtools.build.lib.packages.PredicateWithMessage;
import com.google.devtools.build.lib.packages.RuleClass;
import com.google.devtools.build.lib.packages.RuleClass.Builder;
import com.google.devtools.build.lib.packages.RuleClass.Builder.RuleClassType;
import java.util.Collection;
import java.util.Map;
import javax.annotation.Nullable;
/**
* Rule definitions for rule classes implementing shell support.
*/
public final class BazelShRuleClasses {
static final Collection<String> ALLOWED_RULES_IN_DEPS_WITH_WARNING = ImmutableSet.of(
"filegroup", "Fileset", "genrule", "sh_binary", "sh_test", "test_suite");
/**
* Common attributes for shell rules.
*/
@BlazeRule(name = "$sh_target",
type = RuleClassType.ABSTRACT,
ancestors = { BaseRuleClasses.RuleBase.class })
public static final class ShRule implements RuleDefinition {
@Override
public RuleClass build(Builder builder, RuleDefinitionEnvironment environment) {
return builder
.add(attr("srcs", LABEL_LIST).mandatory().legacyAllowAnyFileType())
.override(builder.copy("deps")
.allowedRuleClasses("sh_library", "proto_library")
.allowedRuleClassesWithWarning(ALLOWED_RULES_IN_DEPS_WITH_WARNING)
.allowedFileTypes())
.build();
}
}
/**
* Defines the file name of an sh_binary's implicit .sar (script package) output.
*/
static final ImplicitOutputsFunction SAR_PACKAGE_FILENAME =
fromTemplates("%{name}.sar");
/**
* Convenience structure for the bash dependency combinations defined
* by BASH_BINARY_BINDINGS.
*/
static class BashBinaryBinding {
public final String execPath;
public BashBinaryBinding(@Nullable String execPath) {
this.execPath = execPath;
}
}
/**
* Attribute value specifying the local system's bash version.
*/
static final String SYSTEM_BASH_VERSION = "system";
static final Map<String, BashBinaryBinding> BASH_BINARY_BINDINGS =
ImmutableMap.of(
// "system": don't package any bash with the target, but rather use whatever is
// available on the system the script is run on.
SYSTEM_BASH_VERSION, new BashBinaryBinding("/bin/bash")
);
static final String DEFAULT_BASH_VERSION = SYSTEM_BASH_VERSION;
// TODO(bazel-team): refactor sh_binary and sh_base to have a common root
// with srcs and bash_version attributes
static final PredicateWithMessage<Object> BASH_VERSION_ALLOWED_VALUES =
new AllowedValueSet(BASH_BINARY_BINDINGS.keySet());
}
|
