diff -r b067d22dc6ad -r 5ced12cfa41b hgext/rebase.py
--- a/hgext/rebase.py	Tue Sep 28 09:08:43 2021 -0700
+++ b/hgext/rebase.py	Tue Sep 28 08:47:11 2021 -0700
@@ -35,6 +35,7 @@
     dirstateguard,
     error,
     extensions,
+    logcmdutil,
     merge as mergemod,
     mergestate as mergestatemod,
     mergeutil,
@@ -1302,19 +1303,19 @@
     dest = None
 
     if revf:
-        rebaseset = scmutil.revrange(repo, revf)
+        rebaseset = logcmdutil.revrange(repo, revf)
         if not rebaseset:
             ui.status(_(b'empty "rev" revision set - nothing to rebase\n'))
             return None
     elif srcf:
-        src = scmutil.revrange(repo, srcf)
+        src = logcmdutil.revrange(repo, srcf)
         if not src:
             ui.status(_(b'empty "source" revision set - nothing to rebase\n'))
             return None
         # `+  (%ld)` to work around `wdir()::` being empty
         rebaseset = repo.revs(b'(%ld):: + (%ld)', src, src)
     else:
-        base = scmutil.revrange(repo, basef or [b'.'])
+        base = logcmdutil.revrange(repo, basef or [b'.'])
         if not base:
             ui.status(
                 _(b'empty "base" revision set - ' b"can't compute rebase set\n")