From f84e64b593c6e6fda9e2a907d25ed99d8742d619 Mon Sep 17 00:00:00 2001
From: "Douglas B. Rumbaugh" <doug@douglasrumbaugh.com>
Date: Sat, 1 Nov 2025 15:18:03 -0400
Subject: Added support for required builtins

---
 src/hush.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

(limited to 'src/hush.c')

diff --git a/src/hush.c b/src/hush.c
index 0d25244..2d40aa7 100644
--- a/src/hush.c
+++ b/src/hush.c
@@ -15,6 +15,7 @@
 #include "lexer.h"
 #include "command.h"
 #include "variables.h"
+#include "builtin.h"
 
 FILE *open_input(int argc, char **argv) {
   FILE *input_file = (argc > 1) ? fopen(argv[1], "r") : stdin;
@@ -37,8 +38,6 @@ static size_t get_command_len(char *cmdstr) {
 
 void variable_substitution(command *cmds) {
   for (command *cmd = cmds; cmd; cmd = cmd->next) {
-    fprintf(stderr, "Before substitution\n");
-    print_commands(stderr, cmd);
     for (size_t i=0; i < MAX_ARGUMENT_CNT + 1; i++) {
       if (is_variable(cmd->args[i])) { 
         cmd->args[i] = get_variable(cmd->args[i]);
@@ -52,9 +51,6 @@ void variable_substitution(command *cmds) {
     if (is_variable(cmd->infile)) {
       cmd->infile = get_variable(cmd->infile);
     }
-
-    fprintf(stderr, "After substitution\n");
-    print_commands(stderr, cmd);
   }
 }
 
@@ -94,8 +90,6 @@ int main(int argc, char **argv) {
       }
     }
 
-    // print_parsed_command(stdout, parsed_cmd);
-
     if (parsed_cmd->type == TKN_VARKEY) {
       if (!add_variable(parsed_cmd->text, parsed_cmd->next->text)) {
         fprintf(stderr, "ERROR: Failed to create variable\n");
@@ -113,14 +107,14 @@ int main(int argc, char **argv) {
     variable_substitution(cmds);
 
     for (command *cmd = cmds; cmd; cmd = cmd->next) {
-      pid_t result = execute_command(cmd);
-      if (result < 0) {
-        break;
+      if (!run_builtin(cmd)) {
+        pid_t result = execute_command(cmd);
+        if (result < 0) {
+          break;
+        }
       }
     }
 
-    // print_commands(stdout, cmds);
-
     for (command *cmd = cmds; cmd; cmd = cmd->next) {
       if (cmd->pid > 0) {
         waitpid(cmd->pid, NULL, 0);
-- 
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