Merge pull request #5125 from mikdusan/kern.osproductversion

macos: add fallback version detection
master
Michael Dusan 2020-04-22 15:57:29 -04:00 committed by GitHub
commit 9a06f966cd
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2 changed files with 476 additions and 23 deletions

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@ -8,6 +8,7 @@ const assert = std.debug.assert;
const process = std.process;
const Target = std.Target;
const CrossTarget = std.zig.CrossTarget;
const macos = @import("system/macos.zig");
const is_windows = Target.current.os.tag == .windows;
@ -259,31 +260,35 @@ pub const NativeTargetInfo = struct {
os.version_range.windows.min = @intToEnum(Target.Os.WindowsVersion, version);
},
.macosx => {
var product_version: [32]u8 = undefined;
var size: usize = product_version.len;
var scbuf: [32]u8 = undefined;
var size: usize = undefined;
// The osproductversion sysctl was introduced first with
// High Sierra, thankfully that's also the baseline that Zig
// supports
std.os.sysctlbynameZ(
"kern.osproductversion",
&product_version,
&size,
null,
0,
) catch |err| switch (err) {
error.UnknownName => unreachable,
else => unreachable,
};
const string_version = product_version[0 .. size - 1 :0];
if (std.builtin.Version.parse(string_version)) |ver| {
os.version_range.semver.min = ver;
os.version_range.semver.max = ver;
// The osproductversion sysctl was introduced first with 10.13.4 High Sierra.
const key_osproductversion = "kern.osproductversion"; // eg. "10.15.4"
size = scbuf.len;
if (std.os.sysctlbynameZ(key_osproductversion, &scbuf, &size, null, 0)) |_| {
const string_version = scbuf[0 .. size - 1];
if (std.builtin.Version.parse(string_version)) |ver| {
os.version_range.semver.min = ver;
os.version_range.semver.max = ver;
} else |err| switch (err) {
error.Overflow => {},
error.InvalidCharacter => {},
error.InvalidVersion => {},
}
} else |err| switch (err) {
error.Overflow => {},
error.InvalidCharacter => {},
error.InvalidVersion => {},
error.UnknownName => {
const key_osversion = "kern.osversion"; // eg. "19E287"
size = scbuf.len;
std.os.sysctlbynameZ(key_osversion, &scbuf, &size, null, 0) catch {
@panic("unable to detect macOS version: " ++ key_osversion);
};
if (macos.version_from_build(scbuf[0 .. size - 1])) |ver| {
os.version_range.semver.min = ver;
os.version_range.semver.max = ver;
} else |_| {}
},
else => @panic("unable to detect macOS version: " ++ key_osproductversion),
}
},
.freebsd => {
@ -888,3 +893,7 @@ pub const NativeTargetInfo = struct {
}
}
};
test "" {
_ = @import("system/macos.zig");
}

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@ -0,0 +1,444 @@
const std = @import("std");
pub fn version_from_build(build: []const u8) !std.builtin.Version {
// build format:
// 19E287 (example)
// xxyzzz
//
// major = 10
// minor = x - 4 = 19 - 4 = 15
// patch = ascii(y) - 'A' = 'E' - 'A' = 69 - 65 = 4
// answer: 10.15.4
//
// note: patch is typical but with some older releases (before 10.8) zzz is considered
// never return anything below 10.0.0
var result = std.builtin.Version{ .major = 10, .minor = 0, .patch = 0 };
// parse format-x
var yindex: usize = 0;
{
while (yindex < build.len) : (yindex += 1) {
if (build[yindex] < '0' or build[yindex] > '9') break;
}
if (yindex == 0) return result;
const x = std.fmt.parseUnsigned(u16, build[0..yindex], 10) catch return error.InvalidVersion;
if (x < 4) return result;
result.minor = x - 4;
}
// parse format-y, format-z
{
// expect two more
if (build.len < yindex + 2) return error.InvalidVersion;
const y = build[yindex];
if (y < 'A') return error.InvalidVersion;
var zend = yindex + 1;
while (zend < build.len) {
if (build[zend] < '0' or build[zend] > '9') break;
zend += 1;
}
if (zend == yindex + 1) return error.InvalidVersion;
const z = std.fmt.parseUnsigned(u16, build[yindex + 1..zend], 10) catch return error.InvalidVersion;
result.patch = switch (result.minor) {
// TODO: compiler complains without explicit @as() coercion
0 => @as(u32, switch (y) { // Cheetah: 10.0
'K' => 0,
'L' => 1,
'P' => @as(u32, block: {
if (z < 13) break :block 2;
break :block 3;
}),
'Q' => 4,
else => return error.InvalidVersion,
}),
1 => @as(u32, switch (y) { // Puma: 10.1
'G' => 0,
'M' => 1,
'P' => 2,
'Q' => @as(u32, block: {
if (z < 125) break :block 3;
break :block 4;
}),
'S' => 5,
else => return error.InvalidVersion,
}),
2 => @as(u32, switch (y) { // Jaguar: 10.2
'C' => 0,
'D' => 1,
'F' => 2,
'G' => 3,
'I' => 4,
'L' => @as(u32, block: {
if (z < 60) break :block 5;
break :block 6;
}),
'R' => @as(u32, block: {
if (z < 73) break :block 7;
break :block 8;
}),
'S' => 8,
else => return error.InvalidVersion,
}),
3 => @as(u32, switch (y) { // Panther: 10.3
'B' => 0,
'C' => 1,
'D' => 2,
'F' => 3,
'H' => 4,
'M' => 5,
'R' => 6,
'S' => 7,
'U' => 8,
'W' => 9,
else => return error.InvalidVersion,
}),
4 => @as(u32, switch (y) { // Tiger: 10.4
'A' => 0,
'B' => 1,
'C', 'E', => 2,
'F' => 3,
'G' => @as(u32, block: {
if (z >= 1454) break :block 5;
break :block 4;
}),
'H' => 5,
'I' => 6,
'J', 'K', 'N', => 7,
'L' => 8,
'P' => 9,
'R' => 10,
'S' => 11,
else => return error.InvalidVersion,
}),
5 => @as(u32, switch (y) { // Leopard: 10.5
'A' => 0,
'B' => 1,
'C' => 2,
'D' => 3,
'E' => 4,
'F' => 5,
'G' => 6,
'J' => 7,
'L' => 8,
else => return error.InvalidVersion,
}),
6 => @as(u32, switch (y) { // Snow Leopard: 10.6
'A' => 0,
'B' => 1,
'C' => 2,
'D' => 3,
'F' => 4,
'H' => 5,
'J' => @as(u32, block: {
if (z < 869) break :block 6;
break :block 7;
}),
'K' => 8,
else => return error.InvalidVersion,
}),
7 => @as(u32, switch (y) { // Snow Leopard: 10.6
'A' => 0,
'B' => 1,
'C' => 2,
'D' => 3,
'E' => 4,
'G' => 5,
else => return error.InvalidVersion,
}),
else => y - 'A',
};
}
return result;
}
test "version_from_build" {
// see https://en.wikipedia.org/wiki/MacOS_version_history#Releases
const known = [_][2][]const u8{
.{ "4K78", "10.0.0" },
.{ "4L13", "10.0.1" },
.{ "4P12", "10.0.2" },
.{ "4P13", "10.0.3" },
.{ "4Q12", "10.0.4" },
.{ "5G64", "10.1.0" },
.{ "5M28", "10.1.1" },
.{ "5P48", "10.1.2" },
.{ "5Q45", "10.1.3" },
.{ "5Q125", "10.1.4" },
.{ "5S60", "10.1.5" },
.{ "6C115", "10.2.0" },
.{ "6C115a", "10.2.0" },
.{ "6D52", "10.2.1" },
.{ "6F21", "10.2.2" },
.{ "6G30", "10.2.3" },
.{ "6G37", "10.2.3" },
.{ "6G50", "10.2.3" },
.{ "6I32", "10.2.4" },
.{ "6L29", "10.2.5" },
.{ "6L60", "10.2.6" },
.{ "6R65", "10.2.7" },
.{ "6R73", "10.2.8" },
.{ "6S90", "10.2.8" },
.{ "7B85", "10.3.0" },
.{ "7B86", "10.3.0" },
.{ "7C107", "10.3.1" },
.{ "7D24", "10.3.2" },
.{ "7D28", "10.3.2" },
.{ "7F44", "10.3.3" },
.{ "7H63", "10.3.4" },
.{ "7M34", "10.3.5" },
.{ "7R28", "10.3.6" },
.{ "7S215", "10.3.7" },
.{ "7U16", "10.3.8" },
.{ "7W98", "10.3.9" },
.{ "8A428", "10.4.0" },
.{ "8A432", "10.4.0" },
.{ "8B15", "10.4.1" },
.{ "8B17", "10.4.1" },
.{ "8C46", "10.4.2" },
.{ "8C47", "10.4.2" },
.{ "8E102", "10.4.2" },
.{ "8E45", "10.4.2" },
.{ "8E90", "10.4.2" },
.{ "8F46", "10.4.3" },
.{ "8G32", "10.4.4" },
.{ "8G1165", "10.4.4" },
.{ "8H14", "10.4.5" },
.{ "8G1454", "10.4.5" },
.{ "8I127", "10.4.6" },
.{ "8I1119", "10.4.6" },
.{ "8J135", "10.4.7" },
.{ "8J2135a", "10.4.7" },
.{ "8K1079", "10.4.7" },
.{ "8N5107", "10.4.7" },
.{ "8L127", "10.4.8" },
.{ "8L2127", "10.4.8" },
.{ "8P135", "10.4.9" },
.{ "8P2137", "10.4.9" },
.{ "8R218", "10.4.10" },
.{ "8R2218", "10.4.10" },
.{ "8R2232", "10.4.10" },
.{ "8S165", "10.4.11" },
.{ "8S2167", "10.4.11" },
.{ "9A581", "10.5.0" },
.{ "9B18", "10.5.1" },
.{ "9C31", "10.5.2" },
.{ "9C7010", "10.5.2" },
.{ "9D34", "10.5.3" },
.{ "9E17", "10.5.4" },
.{ "9F33", "10.5.5" },
.{ "9G55", "10.5.6" },
.{ "9G66", "10.5.6" },
.{ "9J61", "10.5.7" },
.{ "9L30", "10.5.8" },
.{ "10A432", "10.6.0" },
.{ "10A433", "10.6.0" },
.{ "10B504", "10.6.1" },
.{ "10C540", "10.6.2" },
.{ "10D573", "10.6.3" },
.{ "10D575", "10.6.3" },
.{ "10D578", "10.6.3" },
.{ "10F569", "10.6.4" },
.{ "10H574", "10.6.5" },
.{ "10J567", "10.6.6" },
.{ "10J869", "10.6.7" },
.{ "10J3250", "10.6.7" },
.{ "10J4138", "10.6.7" },
.{ "10K540", "10.6.8" },
.{ "10K549", "10.6.8" },
.{ "11A511", "10.7.0" },
.{ "11A511s", "10.7.0" },
.{ "11A2061", "10.7.0" },
.{ "11A2063", "10.7.0" },
.{ "11B26", "10.7.1" },
.{ "11B2118", "10.7.1" },
.{ "11C74", "10.7.2" },
.{ "11D50", "10.7.3" },
.{ "11E53", "10.7.4" },
.{ "11G56", "10.7.5" },
.{ "11G63", "10.7.5" },
.{ "12A269", "10.8.0" },
.{ "12B19", "10.8.1" },
.{ "12C54", "10.8.2" },
.{ "12C60", "10.8.2" },
.{ "12C2034", "10.8.2" },
.{ "12C3104", "10.8.2" },
.{ "12D78", "10.8.3" },
.{ "12E55", "10.8.4" },
.{ "12E3067", "10.8.4" },
.{ "12E4022", "10.8.4" },
.{ "12F37", "10.8.5" },
.{ "12F45", "10.8.5" },
.{ "12F2501", "10.8.5" },
.{ "12F2518", "10.8.5" },
.{ "12F2542", "10.8.5" },
.{ "12F2560", "10.8.5" },
.{ "13A603", "10.9.0" },
.{ "13B42", "10.9.1" },
.{ "13C64", "10.9.2" },
.{ "13C1021", "10.9.2" },
.{ "13D65", "10.9.3" },
.{ "13E28", "10.9.4" },
.{ "13F34", "10.9.5" },
.{ "13F1066", "10.9.5" },
.{ "13F1077", "10.9.5" },
.{ "13F1096", "10.9.5" },
.{ "13F1112", "10.9.5" },
.{ "13F1134", "10.9.5" },
.{ "13F1507", "10.9.5" },
.{ "13F1603", "10.9.5" },
.{ "13F1712", "10.9.5" },
.{ "13F1808", "10.9.5" },
.{ "13F1911", "10.9.5" },
.{ "14A389", "10.10.0" },
.{ "14B25", "10.10.1" },
.{ "14C109", "10.10.2" },
.{ "14C1510", "10.10.2" },
.{ "14C1514", "10.10.2" },
.{ "14C2043", "10.10.2" },
.{ "14C2513", "10.10.2" },
.{ "14D131", "10.10.3" },
.{ "14D136", "10.10.3" },
.{ "14E46", "10.10.4" },
.{ "14F27", "10.10.5" },
.{ "14F1021", "10.10.5" },
.{ "14F1505", "10.10.5" },
.{ "14F1509", "10.10.5" },
.{ "14F1605", "10.10.5" },
.{ "14F1713", "10.10.5" },
.{ "14F1808", "10.10.5" },
.{ "14F1909", "10.10.5" },
.{ "14F1912", "10.10.5" },
.{ "14F2009", "10.10.5" },
.{ "14F2109", "10.10.5" },
.{ "14F2315", "10.10.5" },
.{ "14F2411", "10.10.5" },
.{ "14F2511", "10.10.5" },
.{ "15A284", "10.11.0" },
.{ "15B42", "10.11.1" },
.{ "15C50", "10.11.2" },
.{ "15D21", "10.11.3" },
.{ "15E65", "10.11.4" },
.{ "15F34", "10.11.5" },
.{ "15G31", "10.11.6" },
.{ "15G1004", "10.11.6" },
.{ "15G1011", "10.11.6" },
.{ "15G1108", "10.11.6" },
.{ "15G1212", "10.11.6" },
.{ "15G1217", "10.11.6" },
.{ "15G1421", "10.11.6" },
.{ "15G1510", "10.11.6" },
.{ "15G1611", "10.11.6" },
.{ "15G17023", "10.11.6" },
.{ "15G18013", "10.11.6" },
.{ "15G19009", "10.11.6" },
.{ "15G20015", "10.11.6" },
.{ "15G21013", "10.11.6" },
.{ "15G22010", "10.11.6" },
.{ "16A323", "10.12.0" },
.{ "16B2555", "10.12.1" },
.{ "16B2657", "10.12.1" },
.{ "16C67", "10.12.2" },
.{ "16C68", "10.12.2" },
.{ "16D32", "10.12.3" },
.{ "16E195", "10.12.4" },
.{ "16F73", "10.12.5" },
.{ "16F2073", "10.12.5" },
.{ "16G29", "10.12.6" },
.{ "16G1036", "10.12.6" },
.{ "16G1114", "10.12.6" },
.{ "16G1212", "10.12.6" },
.{ "16G1314", "10.12.6" },
.{ "16G1408", "10.12.6" },
.{ "16G1510", "10.12.6" },
.{ "16G1618", "10.12.6" },
.{ "16G1710", "10.12.6" },
.{ "16G1815", "10.12.6" },
.{ "16G1917", "10.12.6" },
.{ "16G1918", "10.12.6" },
.{ "16G2016", "10.12.6" },
.{ "16G2127", "10.12.6" },
.{ "16G2128", "10.12.6" },
.{ "16G2136", "10.12.6" },
.{ "17A365", "10.13.0" },
.{ "17A405", "10.13.0" },
.{ "17B48", "10.13.1" },
.{ "17B1002", "10.13.1" },
.{ "17B1003", "10.13.1" },
.{ "17C88", "10.13.2" },
.{ "17C89", "10.13.2" },
.{ "17C205", "10.13.2" },
.{ "17C2205", "10.13.2" },
.{ "17D47", "10.13.3" },
.{ "17D2047", "10.13.3" },
.{ "17D102", "10.13.3" },
.{ "17D2102", "10.13.3" },
.{ "17E199", "10.13.4" },
.{ "17E202", "10.13.4" },
.{ "17F77", "10.13.5" },
.{ "17G65", "10.13.6" },
.{ "17G2208", "10.13.6" },
.{ "17G3025", "10.13.6" },
.{ "17G4015", "10.13.6" },
.{ "17G5019", "10.13.6" },
.{ "17G6029", "10.13.6" },
.{ "17G6030", "10.13.6" },
.{ "17G7024", "10.13.6" },
.{ "17G8029", "10.13.6" },
.{ "17G8030", "10.13.6" },
.{ "17G8037", "10.13.6" },
.{ "17G9016", "10.13.6" },
.{ "17G10021", "10.13.6" },
.{ "17G11023", "10.13.6" },
.{ "17G12034", "10.13.6" },
.{ "18A391", "10.14.0" },
.{ "18B75", "10.14.1" },
.{ "18B2107", "10.14.1" },
.{ "18B3094", "10.14.1" },
.{ "18C54", "10.14.2" },
.{ "18D42", "10.14.3" },
.{ "18D43", "10.14.3" },
.{ "18D109", "10.14.3" },
.{ "18E226", "10.14.4" },
.{ "18E227", "10.14.4" },
.{ "18F132", "10.14.5" },
.{ "18G84", "10.14.6" },
.{ "18G87", "10.14.6" },
.{ "18G95", "10.14.6" },
.{ "18G103", "10.14.6" },
.{ "18G1012", "10.14.6" },
.{ "18G2022", "10.14.6" },
.{ "18G3020", "10.14.6" },
.{ "18G4032", "10.14.6" },
.{ "19A583", "10.15.0" },
.{ "19A602", "10.15.0" },
.{ "19A603", "10.15.0" },
.{ "19B88", "10.15.1" },
.{ "19C57", "10.15.2" },
.{ "19D76", "10.15.3" },
.{ "19E266", "10.15.4" },
.{ "19E287", "10.15.4" },
};
for (known) |pair| {
var buf: [32]u8 = undefined;
const ver = try version_from_build(pair[0]);
const sver = try std.fmt.bufPrint(buf[0..], "{}.{}.{}", .{ver.major, ver.minor, ver.patch});
std.testing.expect(std.mem.eql(u8, sver, pair[1]));
}
}