support redirects with subshells

2 files changed, 7 insertions, 3 deletions

diff --git a/src/parse/ast.rs b/src/parse/ast.rs
index bd177a4..e2d5840 100644
--- a/src/parse/ast.rs
+++ b/src/parse/ast.rs
@@ -155,8 +155,10 @@ impl Exe {
     fn build_ast(pair: pest::iterators::Pair<Rule>) -> Self {
         assert!(matches!(pair.as_rule(), Rule::subshell | Rule::exe));
         if matches!(pair.as_rule(), Rule::subshell) {
-            let commands = pair.into_inner().next().unwrap();
+            let mut iter = pair.into_inner();
+            let commands = iter.next().unwrap();
             assert!(matches!(commands.as_rule(), Rule::commands));
+            let redirects = iter.map(Redirect::build_ast).collect();
             return Self {
                 exe: Word {
                     parts: vec![WordPart::SingleQuoted(
@@ -177,7 +179,7 @@ impl Exe {
                         )],
                     },
                 ],
-                redirects: vec![],
+                redirects,
             };
         }
         let mut iter = pair.into_inner();
diff --git a/src/shell.pest b/src/shell.pest
index d2c96b8..0c63802 100644
--- a/src/shell.pest
+++ b/src/shell.pest
@@ -47,7 +47,9 @@ redir_prefix = @{
 redirect = ${ redir_prefix ~ w? ~ word }
 
 exe      = ${ (redirect | word) ~ (w ~ (redirect | word))* }
-subshell = ${ "(" ~ w? ~ commands ~ w? ~ ")" }
+subshell = ${
+    "(" ~ w? ~ commands ~ w? ~ ")" ~ (w? ~ redirect ~ (w ~ redirect)*)?
+}
 list     = ${ word ~ (w ~ word)* }
 pipeline = ${ (subshell | exe) ~ (w? ~ "|" ~ w? ~ (subshell | exe))* }