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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/base_paths.h" | 5 #include "base/base_paths.h" |
6 | 6 |
7 #include <ostream> | 7 #include <ostream> |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "build/build_config.h" | 10 #include "build/build_config.h" |
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22 #elif defined(OS_SOLARIS) | 22 #elif defined(OS_SOLARIS) |
23 #include <stdlib.h> | 23 #include <stdlib.h> |
24 #endif | 24 #endif |
25 | 25 |
26 namespace base { | 26 namespace base { |
27 | 27 |
28 #if defined(OS_LINUX) | 28 #if defined(OS_LINUX) |
29 const char kSelfExe[] = "/proc/self/exe"; | 29 const char kSelfExe[] = "/proc/self/exe"; |
30 #endif | 30 #endif |
31 | 31 |
32 // The name of this file relative to the source root. This is used for checking | |
33 // that the source checkout is in the correct place. | |
34 static const char kThisSourceFile[] = "base/base_paths_posix.cc"; | |
35 | |
36 bool PathProviderPosix(int key, FilePath* result) { | 32 bool PathProviderPosix(int key, FilePath* result) { |
37 FilePath path; | 33 FilePath path; |
38 switch (key) { | 34 switch (key) { |
39 case base::FILE_EXE: | 35 case base::FILE_EXE: |
40 case base::FILE_MODULE: { // TODO(evanm): is this correct? | 36 case base::FILE_MODULE: { // TODO(evanm): is this correct? |
41 #if defined(OS_LINUX) | 37 #if defined(OS_LINUX) |
42 FilePath bin_dir; | 38 FilePath bin_dir; |
43 if (!file_util::ReadSymbolicLink(FilePath(kSelfExe), &bin_dir)) { | 39 if (!file_util::ReadSymbolicLink(FilePath(kSelfExe), &bin_dir)) { |
44 NOTREACHED() << "Unable to resolve " << kSelfExe << "."; | 40 NOTREACHED() << "Unable to resolve " << kSelfExe << "."; |
45 return false; | 41 return false; |
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77 return true; | 73 return true; |
78 #endif | 74 #endif |
79 } | 75 } |
80 case base::DIR_SOURCE_ROOT: { | 76 case base::DIR_SOURCE_ROOT: { |
81 // Allow passing this in the environment, for more flexibility in build | 77 // Allow passing this in the environment, for more flexibility in build |
82 // tree configurations (sub-project builds, gyp --output_dir, etc.) | 78 // tree configurations (sub-project builds, gyp --output_dir, etc.) |
83 scoped_ptr<base::Environment> env(base::Environment::Create()); | 79 scoped_ptr<base::Environment> env(base::Environment::Create()); |
84 std::string cr_source_root; | 80 std::string cr_source_root; |
85 if (env->GetVar("CR_SOURCE_ROOT", &cr_source_root)) { | 81 if (env->GetVar("CR_SOURCE_ROOT", &cr_source_root)) { |
86 path = FilePath(cr_source_root); | 82 path = FilePath(cr_source_root); |
87 if (file_util::PathExists(path.Append(kThisSourceFile))) { | 83 if (file_util::PathExists(path)) { |
88 *result = path; | 84 *result = path; |
89 return true; | 85 return true; |
90 } else { | 86 } else { |
91 DLOG(WARNING) << "CR_SOURCE_ROOT is set, but it appears to not " | 87 DLOG(WARNING) << "CR_SOURCE_ROOT is set, but it appears to not " |
92 << "point to the correct source root directory."; | 88 << "point to a directory."; |
93 } | 89 } |
94 } | 90 } |
95 // On POSIX, unit tests execute two levels deep from the source root. | 91 // On POSIX, unit tests execute two levels deep from the source root. |
96 // For example: out/{Debug|Release}/net_unittest | 92 // For example: out/{Debug|Release}/net_unittest |
97 if (PathService::Get(base::DIR_EXE, &path)) { | 93 if (PathService::Get(base::DIR_EXE, &path)) { |
98 path = path.DirName().DirName(); | 94 *result = path.DirName().DirName(); |
99 if (file_util::PathExists(path.Append(kThisSourceFile))) { | |
100 *result = path; | |
101 return true; | |
102 } | |
103 } | |
104 // In a case of WebKit-only checkout, executable files are put into | |
105 // <root of checkout>/out/{Debug|Release}, and we should return | |
106 // <root of checkout>/Source/WebKit/chromium for DIR_SOURCE_ROOT. | |
107 if (PathService::Get(base::DIR_EXE, &path)) { | |
108 path = path.DirName().DirName().Append("Source/WebKit/chromium"); | |
109 if (file_util::PathExists(path.Append(kThisSourceFile))) { | |
110 *result = path; | |
111 return true; | |
112 } | |
113 } | |
114 // If that failed (maybe the build output is symlinked to a different | |
115 // drive) try assuming the current directory is the source root. | |
116 if (file_util::GetCurrentDirectory(&path) && | |
117 file_util::PathExists(path.Append(kThisSourceFile))) { | |
118 *result = path; | |
119 return true; | 95 return true; |
120 } | 96 } |
| 97 |
121 DLOG(ERROR) << "Couldn't find your source root. " | 98 DLOG(ERROR) << "Couldn't find your source root. " |
122 << "Try running from your chromium/src directory."; | 99 << "Try running from your chromium/src directory."; |
123 return false; | 100 return false; |
124 } | 101 } |
125 case base::DIR_CACHE: | 102 case base::DIR_CACHE: |
126 scoped_ptr<base::Environment> env(base::Environment::Create()); | 103 scoped_ptr<base::Environment> env(base::Environment::Create()); |
127 FilePath cache_dir(base::nix::GetXDGDirectory(env.get(), "XDG_CACHE_HOME", | 104 FilePath cache_dir(base::nix::GetXDGDirectory(env.get(), "XDG_CACHE_HOME", |
128 ".cache")); | 105 ".cache")); |
129 *result = cache_dir; | 106 *result = cache_dir; |
130 return true; | 107 return true; |
131 } | 108 } |
132 return false; | 109 return false; |
133 } | 110 } |
134 | 111 |
135 } // namespace base | 112 } // namespace base |
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