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Merge pull request #16110 from dweiller/force-tty-color

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std.io.tty: cleanup detectConfig
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Andrew Kelley 2023-06-22 06:54:15 -07:00 committed by GitHub
commit 93e54f2354
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4 changed files with 22 additions and 17 deletions
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2
doc/docgen.zig
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@ -1305,7 +1305,7 @@ fn genHtml(
defer root_node.end();
var env_map = try process.getEnvMap(allocator);
try env_map.put("ZIG_DEBUG_COLOR", "1");
try env_map.put("YES_COLOR", "1");
const host = try std.zig.system.NativeTargetInfo.detect(.{});
const builtin_code = try getBuiltinCode(allocator, &env_map, zig_exe, opt_zig_lib_dir);

2
lib/build_runner.zig
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@ -282,7 +282,7 @@ pub fn main() !void {
const ttyconf = get_tty_conf(color, stderr);
switch (ttyconf) {
.no_color => try builder.env_map.put("NO_COLOR", "1"),
.escape_codes => try builder.env_map.put("ZIG_DEBUG_COLOR", "1"),
.escape_codes => try builder.env_map.put("YES_COLOR", "1"),
.windows_api => {},
}

33
lib/std/io/tty.zig
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@ -7,29 +7,34 @@ const native_os = builtin.os.tag;
/// Detect suitable TTY configuration options for the given file (commonly stdout/stderr).
/// This includes feature checks for ANSI escape codes and the Windows console API, as well as
/// respecting the `NO_COLOR` environment variable.
/// respecting the `NO_COLOR` and `YES_COLOR` environment variables to override the default.
pub fn detectConfig(file: File) Config {
if (builtin.os.tag == .wasi) {
// Per https://github.com/WebAssembly/WASI/issues/162 ANSI codes
// aren't currently supported.
return .no_color;
} else if (process.hasEnvVarConstant("ZIG_DEBUG_COLOR")) {
return .escape_codes;
} else if (process.hasEnvVarConstant("NO_COLOR")) {
return .no_color;
} else if (file.supportsAnsiEscapeCodes()) {
return .escape_codes;
} else if (native_os == .windows and file.isTty()) {
const force_color: ?bool = if (builtin.os.tag == .wasi)
null // wasi does not support environment variables
else if (process.hasEnvVarConstant("NO_COLOR"))
false
else if (process.hasEnvVarConstant("YES_COLOR"))
true
else
null;
if (force_color == false) return .no_color;
if (native_os == .windows and file.isTty()) {
var info: windows.CONSOLE_SCREEN_BUFFER_INFO = undefined;
if (windows.kernel32.GetConsoleScreenBufferInfo(file.handle, &info) != windows.TRUE) {
// TODO: Should this return an error instead?
return .no_color;
return if (force_color == true) .escape_codes else .no_color;
}
return .{ .windows_api = .{
.handle = file.handle,
.reset_attributes = info.wAttributes,
} };
}
if (force_color == true or file.supportsAnsiEscapeCodes()) {
return .escape_codes;
}
return .no_color;
}

2
test/src/StackTrace.zig
View File

@ -81,7 +81,7 @@ fn addExpect(
});
const run = b.addRunArtifact(exe);
run.removeEnvironmentVariable("ZIG_DEBUG_COLOR");
run.removeEnvironmentVariable("YES_COLOR");
run.setEnvironmentVariable("NO_COLOR", "1");
run.expectExitCode(1);
run.expectStdOutEqual("");