rename src-self-hosted/ to src/

1 files changed, 47 insertions, 0 deletions

diff --git a/src/print_env.zig b/src/print_env.zig
new file mode 100644
index 0000000000..d1956911e9
--- /dev/null
+++ b/src/print_env.zig
@@ -0,0 +1,47 @@
+const std = @import("std");
+const build_options = @import("build_options");
+const introspect = @import("introspect.zig");
+const Allocator = std.mem.Allocator;
+const fatal = @import("main.zig").fatal;
+
+pub fn cmdEnv(gpa: *Allocator, args: []const []const u8, stdout: anytype) !void {
+    const self_exe_path = try std.fs.selfExePathAlloc(gpa);
+    defer gpa.free(self_exe_path);
+
+    var zig_lib_directory = introspect.findZigLibDirFromSelfExe(gpa, self_exe_path) catch |err| {
+        fatal("unable to find zig installation directory: {}\n", .{@errorName(err)});
+    };
+    defer gpa.free(zig_lib_directory.path.?);
+    defer zig_lib_directory.handle.close();
+
+    const zig_std_dir = try std.fs.path.join(gpa, &[_][]const u8{ zig_lib_directory.path.?, "std" });
+    defer gpa.free(zig_std_dir);
+
+    const global_cache_dir = try introspect.resolveGlobalCacheDir(gpa);
+    defer gpa.free(global_cache_dir);
+
+    var bos = std.io.bufferedOutStream(stdout);
+    const bos_stream = bos.outStream();
+
+    var jws = std.json.WriteStream(@TypeOf(bos_stream), 6).init(bos_stream);
+    try jws.beginObject();
+
+    try jws.objectField("zig_exe");
+    try jws.emitString(self_exe_path);
+
+    try jws.objectField("lib_dir");
+    try jws.emitString(zig_lib_directory.path.?);
+
+    try jws.objectField("std_dir");
+    try jws.emitString(zig_std_dir);
+
+    try jws.objectField("global_cache_dir");
+    try jws.emitString(global_cache_dir);
+
+    try jws.objectField("version");
+    try jws.emitString(build_options.version);
+
+    try jws.endObject();
+    try bos_stream.writeByte('\n');
+    try bos.flush();
+}