Remove legacy stdin option in favor of full stdio options on process exec + adjust tests accordingly

crates/lune-std-process/src/options/mod.rs

@@ -118,21 +118,11 @@ impl FromLua for ProcessSpawnOptions {
         }
 
         /*
-            If we got options for stdio handling, parse those as well - note that
-            we accept a separate "stdin" value here for compatibility with older
-            scripts, but the user should preferrably pass it in the stdio table
+            If we got options for stdio handling, parse those as well
+
+            This may optionally contain configuration for any or all of: stdin, stdout, stderr
         */
         this.stdio = value.get("stdio")?;
-        match value.get("stdin")? {
-            LuaValue::Nil => {}
-            LuaValue::String(s) => this.stdio.stdin = Some(s.as_bytes().to_vec()),
-            value => {
-                return Err(LuaError::RuntimeError(format!(
-                    "Invalid type for option 'stdin' - expected 'string', got '{}'",
-                    value.type_name()
-                )))
-            }
-        }
 
         Ok(this)
     }

crates/lune-std-process/src/options/stdio.rs

@@ -1,3 +1,4 @@
+use bstr::BString;
 use mlua::prelude::*;
 
 use super::kind::ProcessSpawnOptionsStdioKind;
@@ -29,8 +30,8 @@ impl FromLua for ProcessSpawnOptionsStdio {
             LuaValue::Table(t) => {
                 let mut this = Self::default();
 
-                if let Some(stdin) = t.get("stdin")? {
-                    this.stdin = stdin;
+                if let Some(stdin) = t.get::<Option<BString>>("stdin")? {
+                    this.stdin = Some(stdin.to_vec());
                 }
 
                 if let Some(stdout) = t.get("stdout")? {

crates/lune-std-process/types.d.luau

@@ -2,27 +2,35 @@ export type OS = "linux" | "macos" | "windows"
 export type Arch = "x86_64" | "aarch64"
 export type Endianness = "big" | "little"
 
-export type StdioKind = "default" | "inherit" | "forward" | "none"
-export type StdioOptions = {
-	stdin: StdioKind?,
-	stdout: StdioKind?,
-	stderr: StdioKind?,
-}
-
 --[=[
-	@interface CreateOptions
+	@interface ExecStdioKind
 	@within Process
 
-	A dictionary of options for `process.create`, with the following available values:
+	Enum determining how to treat a standard input/output stream for `process.exec`.
 
-	* `cwd` - The current working directory for the process
-	* `env` - Extra environment variables to give to the process
-	* `shell` - Whether to run in a shell or not - set to `true` to run using the default shell, or a string to run using a specific shell
+	Can be one of the following values:
+
+	* `default` - The default behavior, writing to the final result table only
+	* `inherit` - Inherit the stream from the parent process, writing to both the result table and the respective stream for the parent process
+	* `forward` - Forward the stream to the parent process, without writing to the result table, only respective stream for the parent process
+	* `none` - Do not create any input/output stream
 ]=]
-export type CreateOptions = {
-	cwd: string?,
-	env: { [string]: string }?,
-	shell: (boolean | string)?,
+export type ExecStdioKind = "default" | "inherit" | "forward" | "none"
+
+--[=[
+	@interface ExecStdioOptions
+	@within Process
+
+	A dictionary of stdio-specific options for `process.exec`, with the following available values:
+
+	* `stdin` - A buffer or string to write to the stdin of the process
+	* `stdout` - How to treat the stdout stream from the child process - see `ExecStdioKind` for more info
+	* `stderr` - How to treat the stderr stream from the child process - see `ExecStdioKind` for more info
+]=]
+export type ExecStdioOptions = {
+	stdin: (buffer | string)?,
+	stdout: ExecStdioKind?,
+	stderr: ExecStdioKind?,
 }
 
 --[=[
@@ -40,7 +48,23 @@ export type ExecOptions = {
 	cwd: string?,
 	env: { [string]: string }?,
 	shell: (boolean | string)?,
-	stdio: (StdioKind | StdioOptions)?,
+	stdio: (ExecStdioKind | ExecStdioOptions)?,
+}
+
+--[=[
+	@interface CreateOptions
+	@within Process
+
+	A dictionary of options for `process.create`, with the following available values:
+
+	* `cwd` - The current working directory for the process
+	* `env` - Extra environment variables to give to the process
+	* `shell` - Whether to run in a shell or not - set to `true` to run using the default shell, or a string to run using a specific shell
+]=]
+export type CreateOptions = {
+	cwd: string?,
+	env: { [string]: string }?,
+	shell: (boolean | string)?,
 }
 
 --[=[

tests/process/exec/stdin.luau

@@ -10,8 +10,8 @@ local echoMessage = "Hello from child process!"
 -- When passing stdin to powershell on windows we must "accept" using the double newline
 
 local result = if IS_WINDOWS
-	then process.exec("powershell", { "echo" }, { stdin = echoMessage .. "\n\n" })
-	else process.exec("xargs", { "echo" }, { stdin = echoMessage })
+	then process.exec("powershell", { "echo" }, { stdio = { stdin = echoMessage .. "\n\n" } })
+	else process.exec("xargs", { "echo" }, { stdio = { stdin = echoMessage } })
 
 local resultStdout = if IS_WINDOWS
 	then string.sub(result.stdout, #result.stdout - #echoMessage - 1)