Adding more convenience stuff

artefact.inc.php

@@ -87,7 +87,12 @@ class TaskmanArtefact
 
   function initSources(?\taskman\TaskmanFileChanges $file_changes)
   {
-    foreach($this->getSourcesSpec() as $src_idx => $src_spec)
+    $all_src_specs = $this->getSourcesSpec();
+    //let's process a convenience special case
+    if(count($all_src_specs) > 0 && !is_array($all_src_specs[0]))
+      $all_src_specs = [$all_src_specs];
+
+    foreach($all_src_specs as $src_idx => $src_spec)
     {
       //[[dir1, dir2, ..], [ext1, ext2, ..]]
       if(is_array($src_spec) && count($src_spec) == 2 && 

taskman.inc.php

@@ -126,6 +126,7 @@ class TaskmanTask
     $specs = $this->getPropOr("artefacts", array());
     if(is_callable($specs))
       $specs = $specs();
+
     if(is_array($specs))
     {
       foreach($specs as $dst => $src_spec)
@@ -135,6 +136,11 @@ class TaskmanTask
     return $artefacts;
   }
 
+  function getArtefact(int $idx) : artefact\TaskmanArtefact
+  {
+    return $this->getArtefacts()[$idx];
+  }
+
   function getFileChanges() : ?TaskmanFileChanges
   {
     return $this->file_changes;