pre-package hook for EESSI-extend that stats all files/dirs in instal…

…lation directory

eb_hooks.py

@@ -962,6 +962,29 @@ def inject_gpu_property(ec):
     return ec
 
 
+def pre_package_hook(self, *args, **kwargs):
+    """Main pre-package hook: trigger custom functions based on software name."""
+    if self.name in PRE_PACKAGE_HOOKS:
+        PRE_PACKAGE_HOOKS[self.name](self, *args, **kwargs)
+
+
+def pre_package_eessi_extend(self, *args, **kwargs):
+    """
+    Pre-package hook for EESSI-extend: ls/stat all files/directories to work around
+    'permission denied' issue when package got removed (and this hook is run when
+    the package is being rebuilt)
+    """
+    if self.name == 'EESSI-extend':
+        dir_tree = []
+        for root, _, files in os.walk(self.installdir):
+            dir_tree.append(root)
+            for f in files:
+                tree.append(os.path.join(root, f))
+        for entry in dir_tree:
+            print(entry)
+            os.stat(entry)
+
+
 PARSE_HOOKS = {
     'casacore': parse_hook_casacore_disable_vectorize,
     'CGAL': parse_hook_cgal_toolchainopts_precise,
@@ -1020,4 +1043,7 @@ def inject_gpu_property(ec):
 POST_POSTPROC_HOOKS = {
     'CUDA': post_postproc_cuda,
     'cuDNN': post_postproc_cudnn,
+
+PRE_PACKAGE_HOOKS = {
+    'EESSI-extend': pre_package_eessi_extend,
 }