Add an env.var to tell drush make to ignore checksums

README.adoc

@@ -37,6 +37,22 @@ Those are global project parameters mandatory to Drupalizer.
 
 |===
 
+=== Drush make parameters
+
+Those are parameters that will influence the options used for `drush make` command.
+
+|===
+|Parameters |Description
+
+|_drush-make-ignore-checksums_
+|Ignores package checksums while downloading them if set to True.
+
+Do not use this until you know what you do in a development environment only.
+
+Added here because of a https://www.drupal.org/node/2897344[_situation_] still not resolved.
+
+|===
+
 === Site settings
 
 |===

drush.py

@@ -61,6 +61,9 @@ def make(action='install'):
     if env.get('always_use_pty', True):
         drush_opts += " --working-copy --no-gitinfofile"
 
+    if env.get('drush_make_ignore_checksums', True):
+        drush_opts += " --ignore-checksums"
+
     if not h.fab_exists('local', env.site_root):
         local('mkdir {}'.format(env.site_root))