Add test for custom add-on action completion.

This is necessary to test the completion of task text.

tests/t6000-completion.sh

@@ -7,7 +7,7 @@ This test checks basic todo_completion of actions and options
 '
 . ./test-lib.sh
 
-readonly ACTIONS='add a addto addm append app archive command del rm depri dp do help list ls listaddons listall lsa listcon lsc listfile lf listpri lsp listproj lsprj move mv prepend prep pri p replace report shorthelp'
+readonly ACTIONS='add a addto addm append app archive command del rm depri dp do help list ls listall lsa listcon lsc listfile lf listpri lsp listproj lsprj move mv prepend prep pri p replace report shorthelp'
 readonly OPTIONS='-@ -@@ -+ -++ -d -f -h -p -P -PP -a -n -t -v -vv -V -x'
 
 test_todo_completion 'all arguments' 'todo.sh ' "$ACTIONS $OPTIONS"

tests/t6050-completion-addons.sh

@@ -7,68 +7,20 @@ This test checks todo_completion of custom actions in .todo.actions.d
 '
 . ./test-lib.sh
 
-readonly ACTIONS='add a addto addm append app archive command del rm depri dp do help list ls listaddons listall lsa listcon lsc listfile lf listpri lsp listproj lsprj move mv prepend prep pri p replace report shorthelp'
+readonly ACTIONS='add a addto addm append app archive command del rm depri dp do help list ls listall lsa listcon lsc listfile lf listpri lsp listproj lsprj move mv prepend prep pri p replace report shorthelp'
 readonly OPTIONS='-@ -@@ -+ -++ -d -f -h -p -P -PP -a -n -t -v -vv -V -x'
 
 readonly ADDONS='bar baz foobar'
-makeCustomActions()
-{
-    set -e
-    mkdir "${1:?}"
-    for addon in $ADDONS
-    do
-        addonFile="${1}/$addon"
-        > "$addonFile"
-        chmod +x "$addonFile"
-    done
-
-    # Also create a subdirectory, to test that it is skipped.
-    mkdir "${1}/subdir"
-
-    # Also create a non-executable file, to test that it is skipped.
-    datafile="${1:?}/datafile"
-    > "$datafile"
-    chmod -x "$datafile"
-    [ -x "$datafile" ] && rm "$datafile"    # Some file systems may always make files executable; then, skip this check.
-
-    set +e
-}
-removeCustomActions()
-{
-    set -e
-    rmdir "${1}/subdir"
-    rm "${1:?}/"*
-    rmdir "$1"
-    set +e
-}
-
-#
-# Test resolution of the default TODO_ACTIONS_DIR.
-#
-makeCustomActions "$HOME/.todo.actions.d"
+mkdir "$HOME/.todo.actions.d"
+for addon in $ADDONS
+do
+    > "$HOME/.todo.actions.d/$addon"
+    chmod +x "$HOME/.todo.actions.d/$addon"
+done
 test_todo_completion 'all arguments' 'todo.sh ' "$ACTIONS $ADDONS $OPTIONS"
 test_todo_completion 'all arguments after option' 'todo.sh -a ' "$ACTIONS $ADDONS $OPTIONS"
 test_todo_completion 'all arguments beginning with b' 'todo.sh b' 'bar baz'
 test_todo_completion 'all arguments beginning with f after options' 'todo.sh -a -v f' 'foobar'
 test_todo_completion 'nothing after addon action' 'todo.sh foobar ' ''
-removeCustomActions "$HOME/.todo.actions.d"
-
-#
-# Test resolution of an alternative TODO_ACTIONS_DIR.
-#
-mkdir  "$HOME/.todo"
-makeCustomActions "$HOME/.todo/actions"
-test_todo_completion 'all arguments with actions from .todo/actions/' 'todo.sh ' "$ACTIONS $ADDONS $OPTIONS"
-removeCustomActions "$HOME/.todo/actions"
-
-#
-# Test resolution of a configured TODO_ACTIONS_DIR.
-#
-makeCustomActions "$HOME/addons"
-cat >> todo.cfg <<'EOF'
-export TODO_ACTIONS_DIR="$HOME/addons"
-EOF
-test_todo_completion 'all arguments with actions from addons/' 'todo.sh ' "$ACTIONS $ADDONS $OPTIONS"
-removeCustomActions "$HOME/addons"
 
 test_done

todo.sh

@@ -57,7 +57,6 @@ shorthelp()
 		    help
 		    list|ls [TERM...]
 		    listall|lsa [TERM...]
-		    listaddons
 		    listcon|lsc
 		    listfile|lf [SRC [TERM...]]
 		    listpri|lsp [PRIORITIES] [TERM...]
@@ -220,9 +219,6 @@ help()
 		      TERM specified, lists entire todo.txt AND done.txt
 		      concatenated and sorted.
 
-		    listaddons
-		      Lists all added and overridden actions in the actions directory.
-
 		    listcon
 		    lsc
 		      Lists all the task contexts that start with the @ sign in todo.txt.
@@ -1304,18 +1300,6 @@ note: PRIORITY must be anywhere from A to Z."
     fi
     ;;
 
-"listaddons" )
-    if [ -d "$TODO_ACTIONS_DIR" ]; then
-        cd "$TODO_ACTIONS_DIR" || exit $?
-        for action in *
-        do
-            if [ -f "$action" -a -x "$action" ]; then
-                echo "$action"
-            fi
-        done
-    fi
-    ;;
-
 * )
     usage;;
 esac

todo_completion

@@ -11,14 +11,18 @@ _todo()
     local -r OPTS="-@ -@@ -+ -++ -d -f -h -p -P -PP -a -n -t -v -vv -V -x"
     local -r COMMANDS="\
         add a addto addm append app archive command del  \
-        rm depri dp do help list ls listaddons listall lsa listcon  \
+        rm depri dp do help list ls listall lsa listcon  \
         lsc listfile lf listpri lsp listproj lsprj move \
         mv prepend prep pri p replace report shorthelp"
 
+    # Add custom commands from add-ons, if installed.
+    # TODO: Filter for executable flag of files found in $TODO_ACTIONS_DIR.
+    local allCommands="$COMMANDS $('ls' "${TODO_ACTIONS_DIR:-$HOME/.todo.actions.d}/" 2>/dev/null)"
+
     local _todo_sh=${_todo_sh:-todo.sh}
     local completions
     if [ $COMP_CWORD -eq 1 ]; then
-        completions="$COMMANDS $(eval TODOTXT_VERBOSE=0 $_todo_sh command listaddons) $OPTS"
+        completions="$allCommands $OPTS"
     elif [[ $COMP_CWORD -gt 2 && ( \
         "${COMP_WORDS[COMP_CWORD-2]}" =~ ^(move|mv)$ || \
         "${COMP_WORDS[COMP_CWORD-3]}" =~ ^(move|mv)$ ) ]]; then
@@ -30,7 +34,7 @@ _todo()
                 completions=$COMMANDS;;
             addto|listfile|lf)
                 completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listfile);;
-            -*) completions="$COMMANDS $(eval TODOTXT_VERBOSE=0 $_todo_sh command listaddons) $OPTS";;
+            -*) completions="$allCommands $OPTS";;
             *)  case "$cur" in
                     +*) completions=$(eval TODOTXT_VERBOSE=0 $_todo_sh command listproj)
                         COMPREPLY=( $( compgen -W "$completions" -- $cur ))
@@ -58,7 +62,7 @@ _todo()
                             # a safety check of the ls action output.
                             local todo=$( \
                                 eval TODOTXT_VERBOSE=0 $_todo_sh '-@ -+ -p -x command ls "^ *${cur} "' | \
-                                sed -e 's/^ *[0-9]\{1,\} //' -e 's/\((.) \)[0-9]\{2,4\}-[0-9]\{2\}-[0-9]\{2\} /\1/' \
+                                sed -e 's/^ *[0-9]\+ //' -e 's/\((.) \)[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:]]*$//' \
                                     -e '1q' \