Fix error when reading command output to array

compgen output may contain whitespace and/or wildcards.
Naive ($(...)) approach would parse such inputs incorrectly

Resulting COMPREPLY array needs sanitization in case any of the values
contain special characted, hence the extra loop with printf.

Relevant blog post:
    https://www.baeldung.com/linux/reading-output-into-array

Close #23

Author: sio

bash_completion

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# bash-complete-partial-path                                    v1.0.0
+# bash-complete-partial-path                                    v1.1.0-dev
 #
 # Zsh-like expansion of incomplete file paths for Bash.
 # Source this file from your ~/.bashrc and use `_bcpp --defaults`
@@ -146,7 +146,12 @@ _bcpp_complete() {
         then
             COMPREPLY=("$INPUT/")
         else
-            COMPREPLY=($(compgen -o "$OPTION" "$INPUT"))
+            readarray -t COMPREPLY < <(compgen -o "$OPTION" "$INPUT")
+            local i
+            for i in "${!COMPREPLY[@]}"
+            do
+                COMPREPLY[i]="$(printf "%q" "${COMPREPLY[i]}")"
+            done
         fi
         return
     fi

tests/test_issue23.py

@@ -2,6 +2,7 @@
 Edge case for directory names containing whitespace
 
 https://github.com/sio/bash-complete-partial-path/issues/23
+https://asciinema.org/a/549127
 '''
 
 import pytest