From f5f71e56e1c8e96f2690a45e2e2f58fda2fb8ac5 Mon Sep 17 00:00:00 2001
From: cirospaciari <ciro.spaciari@gmail.com>
Date: Sat, 27 Jan 2024 13:24:54 -0300
Subject: [PATCH] add .path support so we can use Bun.file as
 stdin/stdout/stderr

---
 src/bun.js/api/bun/subprocess.zig | 53 +++++++++++++++++++++----------
 1 file changed, 37 insertions(+), 16 deletions(-)

diff --git a/src/bun.js/api/bun/subprocess.zig b/src/bun.js/api/bun/subprocess.zig
index 314ee764e57845..0ef151fb623075 100644
--- a/src/bun.js/api/bun/subprocess.zig
+++ b/src/bun.js/api/bun/subprocess.zig
@@ -3223,22 +3223,43 @@ pub const Subprocess = struct {
                     .data = .{ .fd = bun.uvfdcast(_fd) },
                 },
                 .path => |pathlike| {
-                    _ = pathlike;
-                    @panic("TODO");
-                    // var file_path: [bun.MAX_PATH_BYTES]u8 = undefined;
-                    // const path_fd = try bun.sys.open(
-                    //     pathlike.path.sliceZ(&file_path),
-                    //     std.os.O.WRONLY | std.os.O.CREAT | std.os.O.NONBLOCK,
-                    //     0o664,
-                    // ).unwrap();
-
-                    // try pipe.init(uv.Loop.get(), false).unwrap();
-                    // try pipe.open(bun.uvfdcast(path_fd)).unwrap();
-
-                    // return uv.uv_stdio_container_s{
-                    //     .flags = @intCast(uv.UV_INHERIT_STREAM),
-                    //     .data = .{ .stream = @ptrCast(pipe) },
-                    // };
+                    var path_buf: [bun.MAX_PATH_BYTES]u8 = undefined;
+                    var resolver = bun.path.PosixToWinNormalizer{};
+                    const flag: i32 = (if (isReadable) os.O.RDONLY else std.os.O.WRONLY);
+
+                    var joined_buf: [bun.MAX_PATH_BYTES]u8 = undefined;
+                    var slice = pathlike.sliceZ(&path_buf);
+                    if (!std.fs.path.isAbsoluteWindows(slice)) {
+                        // we need the absolute path so we can open
+                        var cwd_buf: [bun.MAX_PATH_BYTES + 1]u8 = undefined;
+
+                        var parts = [_]string{
+                            slice,
+                        };
+
+                        const application_cwd = try bun.getcwd(&cwd_buf);
+                        cwd_buf[application_cwd.len] = std.fs.path.sep;
+                        const file_path = bun.path.joinAbsStringBuf(
+                            cwd_buf[0 .. application_cwd.len + 1],
+                            &joined_buf,
+                            &parts,
+                            .auto,
+                        );
+
+                        joined_buf[file_path.len] = 0;
+                        slice = joined_buf[0..file_path.len :0];
+                    }
+
+                    const path_fd = try bun.sys.open(
+                        try resolver.resolveCWDZ(slice),
+                        flag | std.os.O.CREAT | std.os.O.NONBLOCK,
+                        0o664,
+                    ).unwrap();
+
+                    return uv.uv_stdio_container_s{
+                        .flags = uv.UV_INHERIT_FD,
+                        .data = .{ .fd = bun.uvfdcast(path_fd) },
+                    };
                 },
                 .inherit => uv.uv_stdio_container_s{
                     .flags = uv.UV_INHERIT_FD,