Shell: Add the alias builtin and resolve aliases

This follows the other shells in alias resolution, and resolves the alias only once.
Author: https://github.com/alimpfard Commit: 2915dcfcc3 Pull-request: https://github.com/SerenityOS/serenity/pull/2542 Reviewed-by: https://github.com/awesomekling Reviewed-by: https://github.com/bugaevc
2025-07-31 05:09:12 +00:00 · 2020-06-17 18:51:44 +04:30 · 2020-06-17 18:51:44 +04:30 · 2915dcfcc3 · 2024-07-19 05:09:39 +09:00
commit 2915dcfcc3
parent a4627f2439
4 changed files with 66 additions and 1 deletions
--- a/Shell/Shell.cpp
+++ b/Shell/Shell.cpp
@ -306,6 +306,11 @@ void Shell::unset_local_variable(const String& name)
    m_local_variables.remove(name);
 }

+String Shell::resolve_alias(const String& name) const
+{
+    return m_aliases.get(name).value_or({});
+}
+
 int Shell::run_command(const StringView& cmd)
 {
    if (cmd.is_empty())