largefile: fix up hasattr usage

hgext/largefiles/basestore.py

@@ -179,7 +179,7 b' def _openstore(repo, remote=None, put=Fa'
 
     # The path could be a scheme so use Mercurial's normal functionality
     # to resolve the scheme to a repository and use its path
-    path = hasattr(remote, 'url') and remote.url() or remote.path
+    path = util.safehasattr(remote, 'url') and remote.url() or remote.path
 
     match = _scheme_re.match(path)
     if not match:                       # regular filesystem path

hgext/largefiles/lfutil.py

@@ -170,7 +170,7 b' def openlfdirstate(ui, repo):'
     except ImportError:
         # Mercurial <= 1.8
         opener = util.opener(admin)
-    if hasattr(repo.dirstate, '_validate'):
+    if util.safehasattr(repo.dirstate, '_validate'):
         lfdirstate = largefiles_dirstate(opener, ui, repo.root,
             repo.dirstate._validate)
     else:

hgext/largefiles/overrides.py

@@ -483,7 +483,7 b' def override_revert(orig, ui, repo, *pat'
             oldmatch = None # for the closure
             def override_match(ctxorrepo, pats=[], opts={}, globbed=False,
                     default='relpath'):
-                if hasattr(ctxorrepo, 'match'):
+                if util.safehasattr(ctxorrepo, 'match'):
                     ctx0 = ctxorrepo
                 else:
                     ctx0 = ctxorrepo[None]

hgext/largefiles/uisetup.py

@@ -69,7 +69,7 b' def uisetup(ui):'
     extensions.wrapfunction(hg, 'merge', overrides.hg_merge)
 
     extensions.wrapfunction(archival, 'archive', overrides.override_archive)
-    if hasattr(cmdutil, 'bailifchanged'):
+    if util.safehasattr(cmdutil, 'bailifchanged'):
         extensions.wrapfunction(cmdutil, 'bailifchanged',
             overrides.override_bailifchanged)
     else: