Suppress todo.sh error messages when invoked during completion (todot…

…xt#8)

Redirect any stderr output from todo.sh during completion to /dev/null, as it gets in the way. The error will be seen later after building and executing the command-line, anyway.

Signed-off-by: Ali Karbassi <ali@karbassi.com>

todo_completion

@@ -19,33 +19,33 @@ _todo()
     local _todo_sh=${_todo_sh:-todo.sh}
     local completions
     if [ $COMP_CWORD -eq 1 ]; then
-        completions="$COMMANDS $(eval TODOTXT_VERBOSE=0 $_todo_sh command listaddons) $OPTS"
+        completions="$COMMANDS $(eval TODOTXT_VERBOSE=0 $_todo_sh command listaddons 2>/dev/null) $OPTS"
     elif [[ $COMP_CWORD -gt 2 && ( \
         "${COMP_WORDS[COMP_CWORD-2]}" =~ $MOVE_COMMAND_PATTERN || \
         "${COMP_WORDS[COMP_CWORD-3]}" =~ $MOVE_COMMAND_PATTERN ) ]]; then
         # "move ITEM# DEST [SRC]" has file arguments on positions 2 and 3.
-        completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listfile)
+        completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listfile 2>/dev/null)
     else
         case "$prev" in
             command)
                 completions=$COMMANDS;;
             help)
-                completions="$COMMANDS $(eval TODOTXT_VERBOSE=0 $_todo_sh command listaddons)";;
+                completions="$COMMANDS $(eval TODOTXT_VERBOSE=0 $_todo_sh command listaddons 2>/dev/null)";;
             addto|listfile|lf)
-                completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listfile);;
-            -*) completions="$COMMANDS $(eval TODOTXT_VERBOSE=0 $_todo_sh command listaddons) $OPTS";;
+                completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listfile 2>/dev/null);;
+            -*) completions="$COMMANDS $(eval TODOTXT_VERBOSE=0 $_todo_sh command listaddons 2>/dev/null) $OPTS";;
             *)  case "$cur" in
-                    +*) completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listproj)
+                    +*) completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listproj 2>/dev/null)
                         COMPREPLY=( $( compgen -W "$completions" -- $cur ))
                         [ ${#COMPREPLY[@]} -gt 0 ] && return 0
                         # Fall back to projects extracted from done tasks.
-                        completions=$(eval 'TODOTXT_VERBOSE=0 TODOTXT_SOURCEVAR=\$DONE_FILE' $_todo_sh command listproj)
+                        completions=$(eval 'TODOTXT_VERBOSE=0 TODOTXT_SOURCEVAR=\$DONE_FILE' $_todo_sh command listproj 2>/dev/null)
                         ;;
-                    @*) completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listcon)
+                    @*) completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listcon 2>/dev/null)
                         COMPREPLY=( $( compgen -W "$completions" -- $cur ))
                         [ ${#COMPREPLY[@]} -gt 0 ] && return 0
                         # Fall back to contexts extracted from done tasks.
-                        completions=$(eval 'TODOTXT_VERBOSE=0 TODOTXT_SOURCEVAR=\$DONE_FILE' $_todo_sh command listcon)
+                        completions=$(eval 'TODOTXT_VERBOSE=0 TODOTXT_SOURCEVAR=\$DONE_FILE' $_todo_sh command listcon 2>/dev/null)
                         ;;
                     *)  if [[ "$cur" =~ ^[0-9]+$ ]]; then
                             # Remove the (padded) task number; we prepend the
@@ -60,7 +60,7 @@ _todo()
                             # Finally, limit the output to a single line just as
                             # a safety check of the ls action output.
                             local todo=$( \
-                                eval TODOTXT_VERBOSE=0 $_todo_sh '-@ -+ -p -x command ls "^ *${cur} "' | \
+                                eval TODOTXT_VERBOSE=0 $_todo_sh '-@ -+ -p -x command ls "^ *${cur} "' 2>/dev/null | \
                                 sed -e 's/^ *[0-9]\{1,\} //' -e 's/^\((.) \)\{0,1\}[0-9]\{2,4\}-[0-9]\{2\}-[0-9]\{2\} /\1/' \
                                     -e 's/^\([xX] \)\([0-9]\{2,4\}-[0-9]\{2\}-[0-9]\{2\} \)\{1,2\}/\1/' \
                                     -e 's/[[:space:]]*$//' \