Handle colon in bash comp v2

Signed-off-by: Marc Khouzam <marc.khouzam@montreal.ca>

bash_completionsV2.go

@@ -199,14 +199,30 @@ __%[1]s_perform_completion()
             COMPREPLY+=("$comp")
         fi
     fi
+
+    __%[1]s_handle_special_char "$cur" :
+    __%[1]s_handle_special_char "$cur" =
+}
+
+__%[1]s_handle_special_char()
+{
+    local comp="$1"
+    local char=$2
+    if [[ "$comp" == *${char}* && "$COMP_WORDBREAKS" == *${char}* ]]; then
+        local word=${comp%%"${comp##*${char}}"}
+        local idx=${#COMPREPLY[*]}
+        while [[ $((--idx)) -ge 0 ]]; do
+            COMPREPLY[$idx]=${COMPREPLY[$idx]#"$word"}
+        done
+    fi
 }
 
 __start_%[1]s()
 {
     local cur prev words cword
 
     COMPREPLY=()
-    _get_comp_words_by_ref -n = cur prev words cword
+    _get_comp_words_by_ref -n "=:" cur prev words cword
 
     __%[1]s_perform_completion
 }