src/get_prompt.bash

@@ -1,7 +1,7 @@
 ver=$(bash --version | head -n 1 | awk '{print $4}' | grep -o "\.\..")
 check_ver=$(echo -e "${ver}\n4.3" | sort -V | head -n 1)
 if [[ "${ver}" == "${check_ver}" ]]; then
-  echo "[${USER}@${HOSTNAME} ${PWD##*/}]$ "
+  echo -n "[${USER}@${HOSTNAME} ${PWD##*/}]$ "
 else
-  echo "${PS1@P}"
+  echo -n "${PS1@P}"
 fi

src/main.zig

@@ -5,48 +5,14 @@ fn clear() !void {
     const stdout = std.io.getStdOut().writer();
     try stdout.print("\u{001b}[H\u{001b}[J", .{});
 }
-const Pipe = packed struct {
-    const fd_t = std.posix.fd_t;
-    read: fd_t,
-    write: fd_t,
-};
-
-fn pipe() !Pipe {
-    return @bitCast(try std.posix.pipe());
-}
 
 fn getPrompt() ![]const u8 {
-    const p = try pipe();
-
-    const close = std.posix.close;
-    const dup2 = std.posix.dup2;
-    const STDIN_FILENO = std.posix.STDIN_FILENO;
-    const STDOUT_FILENO = std.posix.STDOUT_FILENO;
-    const STDERR_FILENO = std.posix.STDERR_FILENO;
     const script = @embedFile("./get_prompt.bash");
-
-    if (std.posix.fork()) |pid| {
-        if (pid == 0) {
-            close(p.read);
-
-            try dup2(p.write, STDOUT_FILENO);
-            close(STDIN_FILENO);
-            close(STDERR_FILENO); // Do not print errors to the screen
-
-            // Command-line arguments (must include program name as first argument)
-            // const args = [_:null]?[*:0]const u8{ "bash", "-i", "-c", script, null };
-            var args = [_:null]?[*:0]const u8{ "bash", "-i", "-c", script, null };
-            try std.posix.execvpeZ("bash", &args, std.c.environ);
-
-            // std.posix.execvpeZ("bash", @as([*:null]const ?[*:0]const u8, &args[0]), std.os.environ);
-            _ = std.posix.execvpeZ("bash", @as([*:null]const ?[*:0]const u8, &args[0]), std.os.environ);
-            // kill the child
-            std.process.exit(0);
-        } else {}
-        return "";
-    } else |err| {
-        return err;
-    }
+    const result = try std.process.Child.run(.{
+        .allocator = std.heap.page_allocator,
+        .argv = &[_][]const u8{ "bash", "-i", "-c", script },
+    });
+    return result.stdout;
 }
 
 pub fn main() !void {
@@ -56,27 +22,13 @@ pub fn main() !void {
     var ln = Linenoise.init(allocator);
     defer ln.deinit();
 
-    _ = try getPrompt();
+    const p = try getPrompt();
 
-    while (try ln.linenoise("hello> ")) |input| {
+    while (try ln.linenoise(p)) |input| {
         defer allocator.free(input);
         std.debug.print("input: {s}\n", .{input});
         try ln.history.add(input);
     }
-
-    // // Prints to stderr (it's a shortcut based on `std.io.getStdErr()`)
-    // std.debug.print("All your {s} are belong to us.\n", .{"codebase"});
-
-    // // stdout is for the actual output of your application, for example if you
-    // // are implementing gzip, then only the compressed bytes should be sent to
-    // // stdout, not any debugging messages.
-    // const stdout_file = std.io.getStdOut().writer();
-    // var bw = std.io.bufferedWriter(stdout_file);
-    // const stdout = bw.writer();
-
-    // try stdout.print("Run `zig build test` to run the tests.\n", .{});
-
-    // try bw.flush(); // Don't forget to flush!
 }
 
 test "simple test" {