From 17e66a1126e1aef460df2860b023172b3847e275 Mon Sep 17 00:00:00 2001
From: tsi <timo42@proton.me>
Date: Sun, 26 Oct 2025 18:43:01 +0100
Subject: [PATCH] Add support for pre/post alias evaluation

---
 bash-abbr | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bash-abbr b/bash-abbr
index 1582a50..e2647c0 100644
--- a/bash-abbr
+++ b/bash-abbr
@@ -125,6 +125,10 @@ _try_abbrev_internal () {
         # Strip special flags (or space) from the beginning of the replacement
         replacement=${replacement#[*$ -]}
 
+        [[ ${replacement: -1} = "!" ]] && declare -r eval_expansion=true || declare -r eval_expansion=false
+
+        [[ ${replacement: -1} = "$" ]] && replacement=$(eval "${replacement%$}")
+
         # Recursively expand replacement if we haven't expanded it already
         declare tmp=" $replacement"
         [[ $tmp =~ ^([[:space:]]*$is_first_word_prefix) ]] && tmp=${tmp#"${BASH_REMATCH[1]}"}
@@ -136,6 +140,8 @@ _try_abbrev_internal () {
             _try_abbrev_internal " $replacement" "$point_for_replacement" "" "ret_$level" "_" "_" ""
             replacement=${recursively_expanded_replacement# }
         fi
+        # Eval if it has a trailing exclamation point and strip trailing \n and \r
+        [[ $eval_expansion = true ]] && replacement=$(eval "${replacement%!}")
 
         # Calculate point and mark offset.
         declare -ir offset=${#replacement}-${#word_at_point}+${#self_insertion}