48 lines
1.6 KiB
Zig
48 lines
1.6 KiB
Zig
const std = @import("std");
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const build_options = @import("build_options");
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const introspect = @import("introspect.zig");
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const Allocator = std.mem.Allocator;
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pub fn cmdEnv(gpa: *Allocator, args: []const []const u8, stdout: anytype) !void {
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const zig_lib_dir = introspect.resolveZigLibDir(gpa) catch |err| {
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std.debug.print("unable to find zig installation directory: {}\n", .{@errorName(err)});
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std.process.exit(1);
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};
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defer gpa.free(zig_lib_dir);
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const zig_std_dir = try std.fs.path.join(gpa, &[_][]const u8{ zig_lib_dir, "std" });
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defer gpa.free(zig_std_dir);
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const global_cache_dir = try introspect.resolveGlobalCacheDir(gpa);
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defer gpa.free(global_cache_dir);
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const compiler_id_digest = try introspect.resolveCompilerId(gpa);
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var compiler_id_buf: [compiler_id_digest.len * 2]u8 = undefined;
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const compiler_id = std.fmt.bufPrint(&compiler_id_buf, "{x}", .{compiler_id_digest}) catch unreachable;
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var bos = std.io.bufferedOutStream(stdout);
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const bos_stream = bos.outStream();
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var jws = std.json.WriteStream(@TypeOf(bos_stream), 6).init(bos_stream);
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try jws.beginObject();
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try jws.objectField("lib_dir");
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try jws.emitString(zig_lib_dir);
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try jws.objectField("std_dir");
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try jws.emitString(zig_std_dir);
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try jws.objectField("id");
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try jws.emitString(compiler_id);
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try jws.objectField("global_cache_dir");
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try jws.emitString(global_cache_dir);
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try jws.objectField("version");
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try jws.emitString(build_options.version);
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try jws.endObject();
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try bos_stream.writeByte('\n');
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try bos.flush();
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}
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