Add help flag, ensure sourceless task working dir (basedir)

forgebuild.sh

@@ -62,7 +62,7 @@ debug () {
 
 help () {
     echo "forgebuild [tasks]"
-    echo "  Trigger updates on `tasks` (all tasks by default)"
+    echo "  Trigger updates on \`tasks\` (all tasks by default)"
     echo "ARGS:"
     echo "  -f: force run of tasks regardless of updates on the repository"
     echo "  -b BASEDIR: consider tasks from BASEDIR, not ~/.forgebuild"
@@ -248,6 +248,9 @@ for arg in "$@"; do
     elif [[ "$arg" = "-f" ]] || [[ "$arg" = "--force" ]]; then
         info force_flag
     	FORCE=1
+    elif [[ "$arg" = "-h" ]] || [[ "$arg" = "--help" ]]; then
+        help
+        exit 0
     elif [[ "$arg" = "-b" ]] || [[ "$arg" = "--basedir" ]]; then
         FOUND_BASEDIR=1
     elif [ -x $BASEDIR/$arg ]; then
@@ -328,6 +331,7 @@ for p_name in ${PROJECTS[*]}; do
         # If $p_name.done exists, the task was already run
         [ -f $BASEDIR/$p_name.done ] && continue
         # If the task fails, don't register the .done
+        cd $BASEDIR
         run $p_name && touch $BASEDIR/$p_name.done
         continue
     fi