Update bash-preexec to 0.3.2

bashhub/shell/deps/bash-preexec.sh

@@ -11,7 +11,7 @@
 # Author: Ryan Caloras ([email protected])
 # Forked from Original Author: Glyph Lefkowitz
 #
-# V0.3.1
+# V0.3.2
 #
 
 # General Usage:
@@ -43,10 +43,11 @@ __bp_imported="defined"
 # Should be available to each precmd and preexec
 # functions, should they want it.
 __bp_last_ret_value="$?"
+__bp_last_argument_prev_command="$_"
 
 # Command to set our preexec trap. It's invoked once via
 # PROMPT_COMMAND and then removed.
-__bp_trap_install_string="trap '__bp_preexec_invoke_exec' DEBUG;"
+__bp_trap_install_string="trap '__bp_preexec_invoke_exec \"\$_\"' DEBUG;"
 
 # Remove ignorespace and or replace ignoreboth from HISTCONTROL
 # so we can accurately invoke preexec with a command from our
@@ -97,7 +98,7 @@ __bp_precmd_invoke_cmd() {
         # Only execute this function if it actually exists.
         # Test existence of functions with: declare -[Ff]
         if type -t "$precmd_function" 1>/dev/null; then
-            __bp_set_ret_value $__bp_last_ret_value
+            __bp_set_ret_value "$__bp_last_ret_value" "$__bp_last_argument_prev_command"
             $precmd_function
         fi
     done
@@ -137,6 +138,11 @@ __bp_in_prompt_command() {
 # interactively, and invoke 'preexec' if so.
 __bp_preexec_invoke_exec() {
 
+
+    # Save the contents of $_ so that it can be restored later on.
+    # https://stackoverflow.com/questions/40944532/bash-preserve-in-a-debug-trap#40944702
+    __bp_last_argument_prev_command="$1"
+
     # Checks if the file descriptor is not standard out (i.e. '1')
     # __bp_delay_install checks if we're in test. Needed for bats to run.
     # Prevents preexec from being invoked for functions in PS1
@@ -194,6 +200,9 @@ __bp_preexec_invoke_exec() {
             $preexec_function "$this_command"
         fi
     done
+
+    # Restore the last argument of the last executed command
+    : "$__bp_last_argument_prev_command"
 }
 
 # Returns PROMPT_COMMAND with a semicolon appended
@@ -253,7 +262,7 @@ __bp_install() {
     # Install our hooks in PROMPT_COMMAND to allow our trap to know when we've
     # actually entered something.
     PROMPT_COMMAND="__bp_precmd_invoke_cmd; ${existing_prompt_command} __bp_interactive_mode;"
-    trap '__bp_preexec_invoke_exec' DEBUG;
+    eval "$__bp_trap_install_string"
 
     # Add two functions to our arrays for convenience
     # of definition.