When removal of a symlink is triggered by removal of the directory that it points to, revisit the parent directories of the symlink.
Bug: https://bugs.gentoo.org/640058 --- pym/portage/dbapi/vartree.py | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py index 1a86940f1..43e3c4f1a 100644 --- a/pym/portage/dbapi/vartree.py +++ b/pym/portage/dbapi/vartree.py @@ -2753,9 +2753,13 @@ class dblink(object): real_root = self.settings['ROOT'] dirs = sorted(dirs) - dirs.reverse() + revisit = {} - for obj, inode_key in dirs: + while True: + try: + obj, inode_key = dirs.pop() + except IndexError: + break # Treat any directory named "info" as a candidate here, # since it might have been in INFOPATH previously even # though it may not be there now. @@ -2818,6 +2822,7 @@ class dblink(object): raise if e.errno != errno.ENOENT: show_unmerge("---", unmerge_desc["!empty"], "dir", obj) + revisit[obj] = inode_key # Since we didn't remove this directory, record the directory # itself for use in syncfs calls, if we have removed another @@ -2838,6 +2843,7 @@ class dblink(object): # no need to protect symlinks that point to it. unmerge_syms = protected_symlinks.pop(inode_key, None) if unmerge_syms is not None: + parents = [] for relative_path in unmerge_syms: obj = os.path.join(real_root, relative_path.lstrip(os.sep)) @@ -2849,6 +2855,19 @@ class dblink(object): raise del e show_unmerge("!!!", "", "sym", obj) + else: + parents.append(os.path.dirname(obj)) + + if parents: + # Revisit parents recursively (bug 640058). + recursive_parents = [] + for parent in set(parents): + while parent in revisit: + recursive_parents.append(parent) + parent = os.path.dirname(parent) + + for parent in sorted(set(recursive_parents)): + dirs.append((parent, revisit.pop(parent))) def isowner(self, filename, destroot=None): """ -- 2.13.6
