feat(bash_completion): scratch _comp_return_hook

Author: scop

bash_completion

@@ -1485,6 +1485,14 @@ _comp_variable_assignments()
     return 0
 }
 
+_comp_return_hook()
+{
+    ((${#FUNCNAME[*]} != 2)) && return  # this _will_ need some refinement and thought
+    echo "Hello from return hook for ${FUNCNAME[1]}"
+    echo "words: ${words[@]}"
+    echo "COMPREPLY: ${COMPREPLY[@]}"
+}
+
 # Initialize completion and deal with various general things: do file
 # and variable completion where appropriate, and adjust prev, words,
 # and cword as if no redirections exist so that completions do not
@@ -1522,6 +1530,8 @@ _comp_initialize()
 {
     local exclude="" opt_split="" outx="" errx="" inx=""
 
+    trap _comp_return_hook RETURN
+
     local flag OPTIND=1 OPTARG="" OPTERR=0
     while getopts "n:e:o:i:s" flag "$@"; do
         case $flag in