purge.py: fix invocation of statwalk

contrib/purge/purge.py

@@ -49,9 +49,10 b' def dopurge(ui, repo, dirs=None, act=Tru'
 
     directories = []
     files = []
-    for src, f, st in repo.dirstate.statwalk(files=dirs, ignored=True,
-                                             directories=True):
-        if   src == 'd':
+    roots, match, anypats = util.cmdmatcher(repo.root, repo.getcwd(), dirs)
+    for src, f, st in repo.dirstate.statwalk(files=roots, match=match,
+                                             ignored=True, directories=True):
+        if src == 'd':
             directories.append(f)
         elif src == 'f' and f not in repo.dirstate:
             files.append(f)

tests/test-purge

@@ -50,6 +50,25 b' hg purge -p'
 hg purge -v
 ls
 
+echo % delete nested directories from a subdir
+mkdir -p untracked_directory/nested_directory
+cd directory
+hg purge -p
+hg purge -v
+cd ..
+ls
+
+echo % delete only part of the tree
+mkdir -p untracked_directory/nested_directory
+touch directory/untracked_file
+cd directory
+hg purge -p ../untracked_directory
+hg purge -v ../untracked_directory
+cd ..
+ls
+ls directory/untracked_file
+rm directory/untracked_file
+
 echo % delete ignored files
 touch ignored
 hg purge -p

tests/test-purge.out

@@ -29,6 +29,19 b' Removing directory untracked_directory/n'
 Removing directory untracked_directory
 directory
 r1
+% delete nested directories from a subdir
+untracked_directory/nested_directory
+Removing directory untracked_directory/nested_directory
+Removing directory untracked_directory
+directory
+r1
+% delete only part of the tree
+untracked_directory/nested_directory
+Removing directory untracked_directory/nested_directory
+Removing directory untracked_directory
+directory
+r1
+directory/untracked_file
 % delete ignored files
 ignored
 Removing file ignored