-
Notifications
You must be signed in to change notification settings - Fork 306
Expand file tree
/
Copy pathCommandEnv.java
More file actions
112 lines (94 loc) · 3.3 KB
/
CommandEnv.java
File metadata and controls
112 lines (94 loc) · 3.3 KB
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
102
103
104
105
106
107
108
109
110
111
112
/*
* Copyright (C) 2018 Google Inc.
*
* 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.copybara;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.copybara.exception.CommandLineException;
import java.nio.file.Path;
import javax.annotation.Nullable;
/**
* Environment information for command execution: arguments, workdir, etc.
*/
public class CommandEnv {
private final Path workdir;
private final Options options;
@Nullable private final MainArguments mainArgs;
private final ImmutableList<String> args;
@Nullable private ConfigFileArgs configFileArgs;
@VisibleForTesting
public CommandEnv(Path workdir, Options options, ImmutableList<String> args,
MainArguments mainArgs) {
this.workdir = Preconditions.checkNotNull(workdir);
this.options = Preconditions.checkNotNull(options);
this.args = Preconditions.checkNotNull(args);
this.mainArgs = mainArgs;
}
/**
* Instantiate a new CommandEnv. Meant for use with construction of new CopybaraCmd objects
*/
public CommandEnv(Path workdir, Options options, ImmutableList<String> args) {
this(workdir, options, args, /*mainArgs*/ null);
}
/**
* Get the arguments parsed as config [migration [source_ref]...] if the command uses that format.
*/
@Nullable
public ConfigFileArgs getConfigFileArgs() {
return configFileArgs;
}
@Nullable
public MainArguments getMainArgs() {
return mainArgs;
}
/**
* Parse the CLI arguments as config [workflow [source_ref]...]
*/
public ConfigFileArgs parseConfigFileArgs(CopybaraCmd cmd, boolean usesSourceRef)
throws CommandLineException {
Preconditions.checkState(this.configFileArgs == null, "parseConfigFileArgs was already"
+ " called. Only one invocation allowed.");
if (args.isEmpty()) {
throw new CommandLineException(
String.format("Configuration file missing for '%s' subcommand.", cmd.name()));
}
String configPath = args.get(0);
if (args.size() < 2) {
configFileArgs = new ConfigFileArgs(configPath, /*workflowName=*/null);
return configFileArgs;
}
String workflowName = args.get(1);
if (args.size() < 3) {
configFileArgs = new ConfigFileArgs(configPath, workflowName);
return configFileArgs;
}
if (!usesSourceRef) {
throw new CommandLineException(
String.format("Too many arguments for subcommand '%s'", cmd.name()));
}
configFileArgs = new ConfigFileArgs(configPath, workflowName, args.subList(2, args.size()));
return configFileArgs;
}
public Path getWorkdir() {
return workdir;
}
public Options getOptions() {
return options;
}
public ImmutableList<String> getArgs() {
return args;
}
}