diff options
Diffstat (limited to 'rdiff-backup/rdiff_backup/selection.py')
| -rw-r--r-- | rdiff-backup/rdiff_backup/selection.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/rdiff-backup/rdiff_backup/selection.py b/rdiff-backup/rdiff_backup/selection.py index 6a02e24..e9476ac 100644 --- a/rdiff-backup/rdiff_backup/selection.py +++ b/rdiff-backup/rdiff_backup/selection.py @@ -234,6 +234,8 @@ class Select: for opt, arg in argtuples: if opt == "--exclude": self.add_selection_func(self.glob_get_sf(arg, 0)) + elif opt == "--exclude-if-present": + self.add_selection_func(self.presence_get_sf(arg, 0)) elif opt == "--exclude-device-files": self.add_selection_func(self.devfiles_get_sf(0)) elif opt == "--exclude-symbolic-links": @@ -471,6 +473,18 @@ probably isn't what you meant.""" % sel_func.name = "Regular expression: %s" % regexp_string return sel_func + def presence_get_sf(self, presence_filename, include): + """Return selection function given by a file if present""" + assert include == 0 or include == 1 + + def sel_func(rp): + if rp.isdir() and rp.readable() and rp.append(presence_filename).isreg(): return include + return None + + sel_func.exclude = not include + sel_func.name = "Presence file: %s" % presence_filename + return sel_func + def gen_get_sf(self, pred, include, name): """Returns a selection function that uses pred to test |