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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
| //===--- Distro.cpp - Linux distribution detection support ------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/Distro.h"
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/MemoryBuffer.h"
using namespace clang::driver;
using namespace clang;
static Distro::DistroType DetectDistro(llvm::vfs::FileSystem &VFS) {
llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> File =
VFS.getBufferForFile("/etc/lsb-release");
if (File) {
StringRef Data = File.get()->getBuffer();
SmallVector<StringRef, 16> Lines;
Data.split(Lines, "\n");
Distro::DistroType Version = Distro::UnknownDistro;
for (StringRef Line : Lines)
if (Version == Distro::UnknownDistro && Line.startswith("DISTRIB_CODENAME="))
Version = llvm::StringSwitch<Distro::DistroType>(Line.substr(17))
.Case("hardy", Distro::UbuntuHardy)
.Case("intrepid", Distro::UbuntuIntrepid)
.Case("jaunty", Distro::UbuntuJaunty)
.Case("karmic", Distro::UbuntuKarmic)
.Case("lucid", Distro::UbuntuLucid)
.Case("maverick", Distro::UbuntuMaverick)
.Case("natty", Distro::UbuntuNatty)
.Case("oneiric", Distro::UbuntuOneiric)
.Case("precise", Distro::UbuntuPrecise)
.Case("quantal", Distro::UbuntuQuantal)
.Case("raring", Distro::UbuntuRaring)
.Case("saucy", Distro::UbuntuSaucy)
.Case("trusty", Distro::UbuntuTrusty)
.Case("utopic", Distro::UbuntuUtopic)
.Case("vivid", Distro::UbuntuVivid)
.Case("wily", Distro::UbuntuWily)
.Case("xenial", Distro::UbuntuXenial)
.Case("yakkety", Distro::UbuntuYakkety)
.Case("zesty", Distro::UbuntuZesty)
.Case("artful", Distro::UbuntuArtful)
.Case("bionic", Distro::UbuntuBionic)
.Case("cosmic", Distro::UbuntuCosmic)
.Case("disco", Distro::UbuntuDisco)
.Case("eoan", Distro::UbuntuEoan)
.Default(Distro::UnknownDistro);
if (Version != Distro::UnknownDistro)
return Version;
}
File = VFS.getBufferForFile("/etc/redhat-release");
if (File) {
StringRef Data = File.get()->getBuffer();
if (Data.startswith("Fedora release"))
return Distro::Fedora;
if (Data.startswith("Red Hat Enterprise Linux") ||
Data.startswith("CentOS") ||
Data.startswith("Scientific Linux")) {
if (Data.find("release 7") != StringRef::npos)
return Distro::RHEL7;
else if (Data.find("release 6") != StringRef::npos)
return Distro::RHEL6;
else if (Data.find("release 5") != StringRef::npos)
return Distro::RHEL5;
}
return Distro::UnknownDistro;
}
File = VFS.getBufferForFile("/etc/debian_version");
if (File) {
StringRef Data = File.get()->getBuffer();
// Contents: < major.minor > or < codename/sid >
int MajorVersion;
if (!Data.split('.').first.getAsInteger(10, MajorVersion)) {
switch (MajorVersion) {
case 5:
return Distro::DebianLenny;
case 6:
return Distro::DebianSqueeze;
case 7:
return Distro::DebianWheezy;
case 8:
return Distro::DebianJessie;
case 9:
return Distro::DebianStretch;
case 10:
return Distro::DebianBuster;
case 11:
return Distro::DebianBullseye;
default:
return Distro::UnknownDistro;
}
}
return llvm::StringSwitch<Distro::DistroType>(Data.split("\n").first)
.Case("squeeze/sid", Distro::DebianSqueeze)
.Case("wheezy/sid", Distro::DebianWheezy)
.Case("jessie/sid", Distro::DebianJessie)
.Case("stretch/sid", Distro::DebianStretch)
.Case("buster/sid", Distro::DebianBuster)
.Case("bullseye/sid", Distro::DebianBullseye)
.Default(Distro::UnknownDistro);
}
File = VFS.getBufferForFile("/etc/SuSE-release");
if (File) {
StringRef Data = File.get()->getBuffer();
SmallVector<StringRef, 8> Lines;
Data.split(Lines, "\n");
for (const StringRef& Line : Lines) {
if (!Line.trim().startswith("VERSION"))
continue;
std::pair<StringRef, StringRef> SplitLine = Line.split('=');
// Old versions have split VERSION and PATCHLEVEL
// Newer versions use VERSION = x.y
std::pair<StringRef, StringRef> SplitVer = SplitLine.second.trim().split('.');
int Version;
// OpenSUSE/SLES 10 and older are not supported and not compatible
// with our rules, so just treat them as Distro::UnknownDistro.
if (!SplitVer.first.getAsInteger(10, Version) && Version > 10)
return Distro::OpenSUSE;
return Distro::UnknownDistro;
}
return Distro::UnknownDistro;
}
if (VFS.exists("/etc/exherbo-release"))
return Distro::Exherbo;
if (VFS.exists("/etc/alpine-release"))
return Distro::AlpineLinux;
if (VFS.exists("/etc/arch-release"))
return Distro::ArchLinux;
if (VFS.exists("/etc/gentoo-release"))
return Distro::Gentoo;
return Distro::UnknownDistro;
}
Distro::Distro(llvm::vfs::FileSystem &VFS) : DistroVal(DetectDistro(VFS)) {}
|