diff -r 5e3b3f88c2e4 -r 3fa4183e7803 hgext/remotefilelog/debugcommands.py
--- a/hgext/remotefilelog/debugcommands.py	Tue Nov 13 17:41:54 2018 +0300
+++ b/hgext/remotefilelog/debugcommands.py	Tue Nov 13 18:07:21 2018 +0300
@@ -15,6 +15,7 @@
 from mercurial import (
     error,
     filelog,
+    node as nodemod,
     revlog,
 )
 from . import (
@@ -52,7 +53,7 @@
 
 def buildtemprevlog(repo, file):
     # get filename key
-    filekey = hashlib.sha1(file).hexdigest()
+    filekey = nodemod.hex(hashlib.sha1(file).digest())
     filedir = os.path.join(repo.path, 'store/data', filekey)
 
     # sort all entries based on linkrev
@@ -344,7 +345,7 @@
         ui.write("%s  %s  %s  %s\n" % (
             hashformatter(node),
             hashformatter(deltabasenode),
-            hashlib.sha1(delta).hexdigest(),
+            nodemod.hex(hashlib.sha1(delta).digest()),
             len(delta)))
 
 def debughistorypack(ui, path):