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Merge pull request #7714 from mikdusan/target-macos
macos: reimplement OS version detection
This commit is contained in:
Andrew Kelley
GitHub
commit
e564d2ca3c
@ -260,7 +260,7 @@ pub const Target = struct {
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.macos => return .{
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.semver = .{
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.min = .{ .major = 10, .minor = 13 },
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.max = .{ .major = 10, .minor = 15, .patch = 7 },
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.max = .{ .major = 11, .minor = 1 },
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},
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},
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.ios => return .{
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@ -222,6 +222,7 @@ pub const NativeTargetInfo = struct {
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ProcessFdQuotaExceeded,
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SystemFdQuotaExceeded,
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DeviceBusy,
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OSVersionDetectionFail,
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};
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/// Given a `CrossTarget`, which specifies in detail which parts of the target should be detected
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@ -254,38 +255,7 @@ pub const NativeTargetInfo = struct {
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os.version_range.windows.min = detected_version;
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os.version_range.windows.max = detected_version;
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},
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.macos => {
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var scbuf: [32]u8 = undefined;
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var size: usize = undefined;
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// The osproductversion sysctl was introduced first with 10.13.4 High Sierra.
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const key_osproductversion = "kern.osproductversion"; // eg. "10.15.4"
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size = scbuf.len;
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if (std.os.sysctlbynameZ(key_osproductversion, &scbuf, &size, null, 0)) |_| {
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const string_version = scbuf[0 .. size - 1];
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if (std.builtin.Version.parse(string_version)) |ver| {
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os.version_range.semver.min = ver;
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os.version_range.semver.max = ver;
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} else |err| switch (err) {
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error.Overflow => {},
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error.InvalidCharacter => {},
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error.InvalidVersion => {},
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}
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} else |err| switch (err) {
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error.UnknownName => {
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const key_osversion = "kern.osversion"; // eg. "19E287"
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size = scbuf.len;
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std.os.sysctlbynameZ(key_osversion, &scbuf, &size, null, 0) catch {
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@panic("unable to detect macOS version: " ++ key_osversion);
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};
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if (macos.version_from_build(scbuf[0 .. size - 1])) |ver| {
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os.version_range.semver.min = ver;
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os.version_range.semver.max = ver;
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} else |_| {}
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},
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else => @panic("unable to detect macOS version: " ++ key_osproductversion),
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}
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},
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.macos => try macos.detect(&os),
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.freebsd => {
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var osreldate: u32 = undefined;
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var len: usize = undefined;
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@ -6,453 +6,403 @@
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const std = @import("std");
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const assert = std.debug.assert;
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const mem = std.mem;
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const testing = std.testing;
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pub fn version_from_build(build: []const u8) !std.builtin.Version {
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// build format:
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// 19E287 (example)
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// xxyzzz
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/// Detect macOS version.
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/// `os` is not modified in case of error.
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pub fn detect(os: *std.Target.Os) !void {
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// Drop use of osproductversion sysctl because:
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// 1. only available 10.13.4 High Sierra and later
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// 2. when used from a binary built against < SDK 11.0 it returns 10.16 and masks Big Sur 11.x version
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//
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// major = 10
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// minor = x - 4 = 19 - 4 = 15
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// patch = ascii(y) - 'A' = 'E' - 'A' = 69 - 65 = 4
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// answer: 10.15.4
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// NEW APPROACH, STEP 1, parse file:
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//
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// note: patch is typical but with some older releases (before 10.8) zzz is considered
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// /System/Library/CoreServices/SystemVersion.plist
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//
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// NOTE: Historically `SystemVersion.plist` first appeared circa '2003
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// with the release of Mac OS X 10.3.0 Panther.
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//
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// and if it contains a `10.16` value where the `16` is `>= 16` then it is non-canonical,
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// discarded, and we move on to next step. Otherwise we accept the version.
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//
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// BACKGROUND: `10.(16+)` is not a proper version and does not have enough fidelity to
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// indicate minor/point version of Big Sur and later. It is a context-sensitive result
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// issued by the kernel for backwards compatibility purposes. Likely the kernel checks
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// if the executable was linked against an SDK older than Big Sur.
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//
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// STEP 2, parse next file:
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//
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// /System/Library/CoreServices/.SystemVersionPlatform.plist
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//
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// NOTE: Historically `SystemVersionPlatform.plist` first appeared circa '2020
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// with the release of macOS 11.0 Big Sur.
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//
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// Accessing the content via this path circumvents a context-sensitive result and
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// yields a canonical Big Sur version.
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//
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// At this time there is no other known way for a < SDK 11.0 executable to obtain a
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// canonical Big Sur version.
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//
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// This implementation uses a reasonably simplified approach to parse .plist file
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// that while it is an xml document, we have good history on the file and its format
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// such that I am comfortable with implementing a minimalistic parser.
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// Things like string and general escapes are not supported.
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const prefixSlash = "/System/Library/CoreServices/";
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const paths = [_][]const u8{
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prefixSlash ++ "SystemVersion.plist",
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prefixSlash ++ ".SystemVersionPlatform.plist",
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};
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for (paths) |path| {
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// approx. 4 times historical file size
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var buf: [2048]u8 = undefined;
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// never return anything below 10.0.0
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var result = std.builtin.Version{ .major = 10, .minor = 0, .patch = 0 };
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// parse format-x
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var yindex: usize = 0;
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{
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while (yindex < build.len) : (yindex += 1) {
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if (build[yindex] < '0' or build[yindex] > '9') break;
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if (std.fs.cwd().readFile(path, &buf)) |bytes| {
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if (parseSystemVersion(bytes)) |ver| {
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// never return non-canonical `10.(16+)`
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if (!(ver.major == 10 and ver.minor >= 16)) {
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os.version_range.semver.min = ver;
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os.version_range.semver.max = ver;
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return;
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}
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continue;
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} else |err| {
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return error.OSVersionDetectionFail;
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}
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} else |err| {
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return error.OSVersionDetectionFail;
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}
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if (yindex == 0) return result;
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const x = std.fmt.parseUnsigned(u16, build[0..yindex], 10) catch return error.InvalidVersion;
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if (x < 4) return result;
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result.minor = x - 4;
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}
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// parse format-y, format-z
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{
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// expect two more
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if (build.len < yindex + 2) return error.InvalidVersion;
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const y = build[yindex];
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if (y < 'A') return error.InvalidVersion;
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var zend = yindex + 1;
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while (zend < build.len) {
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if (build[zend] < '0' or build[zend] > '9') break;
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zend += 1;
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}
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if (zend == yindex + 1) return error.InvalidVersion;
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const z = std.fmt.parseUnsigned(u16, build[yindex + 1 .. zend], 10) catch return error.InvalidVersion;
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result.patch = switch (result.minor) {
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// TODO: compiler complains without explicit @as() coercion
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0 => @as(u32, switch (y) { // Cheetah: 10.0
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'K' => 0,
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'L' => 1,
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'P' => @as(u32, block: {
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if (z < 13) break :block 2;
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break :block 3;
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}),
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'Q' => 4,
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else => return error.InvalidVersion,
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}),
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1 => @as(u32, switch (y) { // Puma: 10.1
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'G' => 0,
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'M' => 1,
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'P' => 2,
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'Q' => @as(u32, block: {
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if (z < 125) break :block 3;
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break :block 4;
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}),
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'S' => 5,
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else => return error.InvalidVersion,
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}),
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2 => @as(u32, switch (y) { // Jaguar: 10.2
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'C' => 0,
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'D' => 1,
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'F' => 2,
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'G' => 3,
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'I' => 4,
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'L' => @as(u32, block: {
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if (z < 60) break :block 5;
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break :block 6;
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}),
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'R' => @as(u32, block: {
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if (z < 73) break :block 7;
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break :block 8;
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}),
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'S' => 8,
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else => return error.InvalidVersion,
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}),
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3 => @as(u32, switch (y) { // Panther: 10.3
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'B' => 0,
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'C' => 1,
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'D' => 2,
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'F' => 3,
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'H' => 4,
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'M' => 5,
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'R' => 6,
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'S' => 7,
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'U' => 8,
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'W' => 9,
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else => return error.InvalidVersion,
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}),
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4 => @as(u32, switch (y) { // Tiger: 10.4
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'A' => 0,
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'B' => 1,
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'C',
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'E',
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=> 2,
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'F' => 3,
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'G' => @as(u32, block: {
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if (z >= 1454) break :block 5;
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break :block 4;
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}),
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'H' => 5,
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'I' => 6,
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'J',
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'K',
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'N',
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=> 7,
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'L' => 8,
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'P' => 9,
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'R' => 10,
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'S' => 11,
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else => return error.InvalidVersion,
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}),
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5 => @as(u32, switch (y) { // Leopard: 10.5
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'A' => 0,
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'B' => 1,
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'C' => 2,
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'D' => 3,
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'E' => 4,
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'F' => 5,
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'G' => 6,
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'J' => 7,
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'L' => 8,
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else => return error.InvalidVersion,
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}),
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6 => @as(u32, switch (y) { // Snow Leopard: 10.6
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'A' => 0,
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'B' => 1,
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'C' => 2,
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'D' => 3,
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'F' => 4,
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'H' => 5,
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'J' => @as(u32, block: {
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if (z < 869) break :block 6;
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break :block 7;
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}),
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'K' => 8,
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else => return error.InvalidVersion,
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}),
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7 => @as(u32, switch (y) { // Snow Leopard: 10.6
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'A' => 0,
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'B' => 1,
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'C' => 2,
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'D' => 3,
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'E' => 4,
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'G' => 5,
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else => return error.InvalidVersion,
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}),
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else => y - 'A',
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};
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}
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return result;
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return error.OSVersionDetectionFail;
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}
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test "version_from_build" {
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// see https://en.wikipedia.org/wiki/MacOS_version_history#Releases
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const known = [_][2][]const u8{
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.{ "4K78", "10.0.0" },
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.{ "4L13", "10.0.1" },
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.{ "4P12", "10.0.2" },
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.{ "4P13", "10.0.3" },
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.{ "4Q12", "10.0.4" },
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.{ "5G64", "10.1.0" },
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.{ "5M28", "10.1.1" },
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.{ "5P48", "10.1.2" },
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.{ "5Q45", "10.1.3" },
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.{ "5Q125", "10.1.4" },
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.{ "5S60", "10.1.5" },
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.{ "6C115", "10.2.0" },
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.{ "6C115a", "10.2.0" },
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.{ "6D52", "10.2.1" },
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.{ "6F21", "10.2.2" },
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.{ "6G30", "10.2.3" },
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.{ "6G37", "10.2.3" },
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.{ "6G50", "10.2.3" },
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.{ "6I32", "10.2.4" },
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.{ "6L29", "10.2.5" },
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.{ "6L60", "10.2.6" },
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.{ "6R65", "10.2.7" },
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.{ "6R73", "10.2.8" },
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.{ "6S90", "10.2.8" },
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.{ "7B85", "10.3.0" },
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.{ "7B86", "10.3.0" },
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.{ "7C107", "10.3.1" },
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.{ "7D24", "10.3.2" },
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.{ "7D28", "10.3.2" },
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.{ "7F44", "10.3.3" },
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.{ "7H63", "10.3.4" },
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.{ "7M34", "10.3.5" },
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.{ "7R28", "10.3.6" },
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.{ "7S215", "10.3.7" },
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.{ "7U16", "10.3.8" },
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.{ "7W98", "10.3.9" },
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.{ "8A428", "10.4.0" },
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.{ "8A432", "10.4.0" },
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.{ "8B15", "10.4.1" },
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.{ "8B17", "10.4.1" },
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.{ "8C46", "10.4.2" },
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.{ "8C47", "10.4.2" },
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.{ "8E102", "10.4.2" },
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.{ "8E45", "10.4.2" },
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.{ "8E90", "10.4.2" },
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.{ "8F46", "10.4.3" },
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.{ "8G32", "10.4.4" },
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.{ "8G1165", "10.4.4" },
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.{ "8H14", "10.4.5" },
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.{ "8G1454", "10.4.5" },
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.{ "8I127", "10.4.6" },
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.{ "8I1119", "10.4.6" },
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.{ "8J135", "10.4.7" },
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.{ "8J2135a", "10.4.7" },
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.{ "8K1079", "10.4.7" },
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.{ "8N5107", "10.4.7" },
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.{ "8L127", "10.4.8" },
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.{ "8L2127", "10.4.8" },
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.{ "8P135", "10.4.9" },
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.{ "8P2137", "10.4.9" },
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.{ "8R218", "10.4.10" },
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.{ "8R2218", "10.4.10" },
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.{ "8R2232", "10.4.10" },
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.{ "8S165", "10.4.11" },
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.{ "8S2167", "10.4.11" },
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.{ "9A581", "10.5.0" },
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.{ "9B18", "10.5.1" },
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.{ "9C31", "10.5.2" },
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.{ "9C7010", "10.5.2" },
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.{ "9D34", "10.5.3" },
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.{ "9E17", "10.5.4" },
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.{ "9F33", "10.5.5" },
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.{ "9G55", "10.5.6" },
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.{ "9G66", "10.5.6" },
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.{ "9J61", "10.5.7" },
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.{ "9L30", "10.5.8" },
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.{ "10A432", "10.6.0" },
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.{ "10A433", "10.6.0" },
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.{ "10B504", "10.6.1" },
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.{ "10C540", "10.6.2" },
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.{ "10D573", "10.6.3" },
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.{ "10D575", "10.6.3" },
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.{ "10D578", "10.6.3" },
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.{ "10F569", "10.6.4" },
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.{ "10H574", "10.6.5" },
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.{ "10J567", "10.6.6" },
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.{ "10J869", "10.6.7" },
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.{ "10J3250", "10.6.7" },
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.{ "10J4138", "10.6.7" },
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.{ "10K540", "10.6.8" },
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.{ "10K549", "10.6.8" },
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.{ "11A511", "10.7.0" },
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.{ "11A511s", "10.7.0" },
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.{ "11A2061", "10.7.0" },
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.{ "11A2063", "10.7.0" },
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.{ "11B26", "10.7.1" },
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.{ "11B2118", "10.7.1" },
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.{ "11C74", "10.7.2" },
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.{ "11D50", "10.7.3" },
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.{ "11E53", "10.7.4" },
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.{ "11G56", "10.7.5" },
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.{ "11G63", "10.7.5" },
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.{ "12A269", "10.8.0" },
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.{ "12B19", "10.8.1" },
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.{ "12C54", "10.8.2" },
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.{ "12C60", "10.8.2" },
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.{ "12C2034", "10.8.2" },
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.{ "12C3104", "10.8.2" },
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.{ "12D78", "10.8.3" },
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.{ "12E55", "10.8.4" },
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.{ "12E3067", "10.8.4" },
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.{ "12E4022", "10.8.4" },
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.{ "12F37", "10.8.5" },
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.{ "12F45", "10.8.5" },
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.{ "12F2501", "10.8.5" },
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.{ "12F2518", "10.8.5" },
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.{ "12F2542", "10.8.5" },
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.{ "12F2560", "10.8.5" },
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.{ "13A603", "10.9.0" },
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.{ "13B42", "10.9.1" },
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.{ "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..], "{d}.{d}.{d}", .{ ver.major, ver.minor, ver.patch });
|
||||
std.testing.expect(std.mem.eql(u8, sver, pair[1]));
|
||||
fn parseSystemVersion(buf: []const u8) !std.builtin.Version {
|
||||
var svt = SystemVersionTokenizer{ .bytes = buf };
|
||||
try svt.skipUntilTag(.start, "dict");
|
||||
while (true) {
|
||||
try svt.skipUntilTag(.start, "key");
|
||||
const content = try svt.expectContent();
|
||||
try svt.skipUntilTag(.end, "key");
|
||||
if (std.mem.eql(u8, content, "ProductVersion")) break;
|
||||
}
|
||||
try svt.skipUntilTag(.start, "string");
|
||||
const ver = try svt.expectContent();
|
||||
try svt.skipUntilTag(.end, "string");
|
||||
|
||||
return std.builtin.Version.parse(ver);
|
||||
}
|
||||
|
||||
const SystemVersionTokenizer = struct {
|
||||
bytes: []const u8,
|
||||
index: usize = 0,
|
||||
state: State = .begin,
|
||||
|
||||
fn next(self: *@This()) !?Token {
|
||||
var mark: usize = self.index;
|
||||
var tag = Tag{};
|
||||
var content: []const u8 = "";
|
||||
|
||||
while (self.index < self.bytes.len) {
|
||||
const char = self.bytes[self.index];
|
||||
switch (self.state) {
|
||||
.begin => switch (char) {
|
||||
'<' => {
|
||||
self.state = .tag0;
|
||||
self.index += 1;
|
||||
tag = Tag{};
|
||||
mark = self.index;
|
||||
},
|
||||
'>' => {
|
||||
return error.BadToken;
|
||||
},
|
||||
else => {
|
||||
self.state = .content;
|
||||
content = "";
|
||||
mark = self.index;
|
||||
},
|
||||
},
|
||||
.tag0 => switch (char) {
|
||||
'<' => {
|
||||
return error.BadToken;
|
||||
},
|
||||
'>' => {
|
||||
self.state = .begin;
|
||||
self.index += 1;
|
||||
tag.name = self.bytes[mark..self.index];
|
||||
return Token{ .tag = tag };
|
||||
},
|
||||
'"' => {
|
||||
self.state = .tag_string;
|
||||
self.index += 1;
|
||||
},
|
||||
'/' => {
|
||||
self.state = .tag0_end_or_empty;
|
||||
self.index += 1;
|
||||
},
|
||||
'A'...'Z', 'a'...'z' => {
|
||||
self.state = .tagN;
|
||||
tag.kind = .start;
|
||||
self.index += 1;
|
||||
},
|
||||
else => {
|
||||
self.state = .tagN;
|
||||
self.index += 1;
|
||||
},
|
||||
},
|
||||
.tag0_end_or_empty => switch (char) {
|
||||
'<' => {
|
||||
return error.BadToken;
|
||||
},
|
||||
'>' => {
|
||||
self.state = .begin;
|
||||
tag.kind = .empty;
|
||||
tag.name = self.bytes[self.index..self.index];
|
||||
self.index += 1;
|
||||
return Token{ .tag = tag };
|
||||
},
|
||||
else => {
|
||||
self.state = .tagN;
|
||||
tag.kind = .end;
|
||||
mark = self.index;
|
||||
self.index += 1;
|
||||
},
|
||||
},
|
||||
.tagN => switch (char) {
|
||||
'<' => {
|
||||
return error.BadToken;
|
||||
},
|
||||
'>' => {
|
||||
self.state = .begin;
|
||||
tag.name = self.bytes[mark..self.index];
|
||||
self.index += 1;
|
||||
return Token{ .tag = tag };
|
||||
},
|
||||
'"' => {
|
||||
self.state = .tag_string;
|
||||
self.index += 1;
|
||||
},
|
||||
'/' => {
|
||||
self.state = .tagN_end;
|
||||
tag.kind = .end;
|
||||
self.index += 1;
|
||||
},
|
||||
else => {
|
||||
self.index += 1;
|
||||
},
|
||||
},
|
||||
.tagN_end => switch (char) {
|
||||
'>' => {
|
||||
self.state = .begin;
|
||||
tag.name = self.bytes[mark..self.index];
|
||||
self.index += 1;
|
||||
return Token{ .tag = tag };
|
||||
},
|
||||
else => {
|
||||
return error.BadToken;
|
||||
},
|
||||
},
|
||||
.tag_string => switch (char) {
|
||||
'"' => {
|
||||
self.state = .tagN;
|
||||
self.index += 1;
|
||||
},
|
||||
else => {
|
||||
self.index += 1;
|
||||
},
|
||||
},
|
||||
.content => switch (char) {
|
||||
'<' => {
|
||||
self.state = .tag0;
|
||||
content = self.bytes[mark..self.index];
|
||||
self.index += 1;
|
||||
tag = Tag{};
|
||||
mark = self.index;
|
||||
return Token{ .content = content };
|
||||
},
|
||||
'>' => {
|
||||
return error.BadToken;
|
||||
},
|
||||
else => {
|
||||
self.index += 1;
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
fn expectContent(self: *@This()) ![]const u8 {
|
||||
if (try self.next()) |tok| {
|
||||
switch (tok) {
|
||||
.content => |content| {
|
||||
return content;
|
||||
},
|
||||
else => {},
|
||||
}
|
||||
}
|
||||
return error.UnexpectedToken;
|
||||
}
|
||||
|
||||
fn skipUntilTag(self: *@This(), kind: Tag.Kind, name: []const u8) !void {
|
||||
while (try self.next()) |tok| {
|
||||
switch (tok) {
|
||||
.tag => |tag| {
|
||||
if (tag.kind == kind and std.mem.eql(u8, tag.name, name)) return;
|
||||
},
|
||||
else => {},
|
||||
}
|
||||
}
|
||||
return error.TagNotFound;
|
||||
}
|
||||
|
||||
const State = enum {
|
||||
begin,
|
||||
tag0,
|
||||
tag0_end_or_empty,
|
||||
tagN,
|
||||
tagN_end,
|
||||
tag_string,
|
||||
content,
|
||||
};
|
||||
|
||||
const Token = union(enum) {
|
||||
tag: Tag,
|
||||
content: []const u8,
|
||||
};
|
||||
|
||||
const Tag = struct {
|
||||
kind: Kind = .unknown,
|
||||
name: []const u8 = "",
|
||||
|
||||
const Kind = enum { unknown, start, end, empty };
|
||||
};
|
||||
};
|
||||
|
||||
test "detect" {
|
||||
const cases = .{
|
||||
.{
|
||||
\\<?xml version="1.0" encoding="UTF-8"?>
|
||||
\\<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
\\<plist version="1.0">
|
||||
\\<dict>
|
||||
\\ <key>ProductBuildVersion</key>
|
||||
\\ <string>7B85</string>
|
||||
\\ <key>ProductCopyright</key>
|
||||
\\ <string>Apple Computer, Inc. 1983-2003</string>
|
||||
\\ <key>ProductName</key>
|
||||
\\ <string>Mac OS X</string>
|
||||
\\ <key>ProductUserVisibleVersion</key>
|
||||
\\ <string>10.3</string>
|
||||
\\ <key>ProductVersion</key>
|
||||
\\ <string>10.3</string>
|
||||
\\</dict>
|
||||
\\</plist>
|
||||
,
|
||||
.{ .major = 10, .minor = 3 },
|
||||
},
|
||||
.{
|
||||
\\<?xml version="1.0" encoding="UTF-8"?>
|
||||
\\<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
\\<plist version="1.0">
|
||||
\\<dict>
|
||||
\\ <key>ProductBuildVersion</key>
|
||||
\\ <string>7W98</string>
|
||||
\\ <key>ProductCopyright</key>
|
||||
\\ <string>Apple Computer, Inc. 1983-2004</string>
|
||||
\\ <key>ProductName</key>
|
||||
\\ <string>Mac OS X</string>
|
||||
\\ <key>ProductUserVisibleVersion</key>
|
||||
\\ <string>10.3.9</string>
|
||||
\\ <key>ProductVersion</key>
|
||||
\\ <string>10.3.9</string>
|
||||
\\</dict>
|
||||
\\</plist>
|
||||
,
|
||||
.{ .major = 10, .minor = 3, .patch = 9 },
|
||||
},
|
||||
.{
|
||||
\\<?xml version="1.0" encoding="UTF-8"?>
|
||||
\\<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
\\<plist version="1.0">
|
||||
\\<dict>
|
||||
\\ <key>ProductBuildVersion</key>
|
||||
\\ <string>19G68</string>
|
||||
\\ <key>ProductCopyright</key>
|
||||
\\ <string>1983-2020 Apple Inc.</string>
|
||||
\\ <key>ProductName</key>
|
||||
\\ <string>Mac OS X</string>
|
||||
\\ <key>ProductUserVisibleVersion</key>
|
||||
\\ <string>10.15.6</string>
|
||||
\\ <key>ProductVersion</key>
|
||||
\\ <string>10.15.6</string>
|
||||
\\ <key>iOSSupportVersion</key>
|
||||
\\ <string>13.6</string>
|
||||
\\</dict>
|
||||
\\</plist>
|
||||
,
|
||||
.{ .major = 10, .minor = 15, .patch = 6 },
|
||||
},
|
||||
.{
|
||||
\\<?xml version="1.0" encoding="UTF-8"?>
|
||||
\\<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
\\<plist version="1.0">
|
||||
\\<dict>
|
||||
\\ <key>ProductBuildVersion</key>
|
||||
\\ <string>20A2408</string>
|
||||
\\ <key>ProductCopyright</key>
|
||||
\\ <string>1983-2020 Apple Inc.</string>
|
||||
\\ <key>ProductName</key>
|
||||
\\ <string>macOS</string>
|
||||
\\ <key>ProductUserVisibleVersion</key>
|
||||
\\ <string>11.0</string>
|
||||
\\ <key>ProductVersion</key>
|
||||
\\ <string>11.0</string>
|
||||
\\ <key>iOSSupportVersion</key>
|
||||
\\ <string>14.2</string>
|
||||
\\</dict>
|
||||
\\</plist>
|
||||
,
|
||||
.{ .major = 11, .minor = 0 },
|
||||
},
|
||||
.{
|
||||
\\<?xml version="1.0" encoding="UTF-8"?>
|
||||
\\<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
|
||||
\\<plist version="1.0">
|
||||
\\<dict>
|
||||
\\ <key>ProductBuildVersion</key>
|
||||
\\ <string>20C63</string>
|
||||
\\ <key>ProductCopyright</key>
|
||||
\\ <string>1983-2020 Apple Inc.</string>
|
||||
\\ <key>ProductName</key>
|
||||
\\ <string>macOS</string>
|
||||
\\ <key>ProductUserVisibleVersion</key>
|
||||
\\ <string>11.1</string>
|
||||
\\ <key>ProductVersion</key>
|
||||
\\ <string>11.1</string>
|
||||
\\ <key>iOSSupportVersion</key>
|
||||
\\ <string>14.3</string>
|
||||
\\</dict>
|
||||
\\</plist>
|
||||
,
|
||||
.{ .major = 11, .minor = 1 },
|
||||
},
|
||||
};
|
||||
|
||||
inline for (cases) |case| {
|
||||
const ver0 = try parseSystemVersion(case[0]);
|
||||
const ver1: std.builtin.Version = case[1];
|
||||
try testVersionEquality(ver1, ver0);
|
||||
}
|
||||
}
|
||||
|
||||
fn testVersionEquality(expected: std.builtin.Version, got: std.builtin.Version) !void {
|
||||
var b_expected: [64]u8 = undefined;
|
||||
const s_expected: []const u8 = try std.fmt.bufPrint(b_expected[0..], "{}", .{expected});
|
||||
|
||||
var b_got: [64]u8 = undefined;
|
||||
const s_got: []const u8 = try std.fmt.bufPrint(b_got[0..], "{}", .{got});
|
||||
|
||||
testing.expectEqualStrings(s_expected, s_got);
|
||||
}
|
||||
|
||||
/// Detect SDK path on Darwin.
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user