diff --git a/hgext3rd/rage.py b/hgext3rd/rage.py
--- a/hgext3rd/rage.py
+++ b/hgext3rd/rage.py
@@ -21,6 +21,7 @@
 from mercurial import pycompat, scmutil
 from hgext import blackbox
 from hgext3rd import (
+    shareutil,
     smartlog,
     fbsparse as sparse,
 )
@@ -198,6 +199,7 @@
     By default, the information will be uploaded to Phabricator and
     instructions about how to ask for help will be printed.
     """
+    srcrepo = shareutil.getsrcrepo(repo)
 
     def format(pair, basic=True):
         if basic:
@@ -217,11 +219,11 @@
         finally:
             return ui.popbuffer()
 
-    def hgfile(filename):
-        if repo.vfs.exists(filename):
-            return repo.vfs(filename).read()
+    def hgsrcrepofile(filename):
+        if srcrepo.vfs.exists(filename):
+            return srcrepo.vfs(filename).read()
         else:
-            return "File not found: %s" % repo.vfs.join(filename)
+            return "File not found: %s" % srcrepo.vfs.join(filename)
 
     if opts.get('oncall') and opts.get('preview'):
         raise error.Abort('--preview and --oncall cannot be used together')
@@ -276,7 +278,7 @@
         ('hg debugobsolete <smartlog>',
             _failsafe(lambda: obsoleteinfo(repo, hgcmd))),
         ('infinitepush backup state',
-            _failsafe(lambda: hgfile('infinitepushbackupstate'))),
+            _failsafe(lambda: hgsrcrepofile('infinitepushbackupstate'))),
         ('infinitepush backup logs',
             _failsafe(lambda: infinitepushbackuplogs(ui, repo))),
         ('hg config (all)', _failsafe(lambda: hgcmd(commands.config))),
diff --git a/tests/test-rage.t b/tests/test-rage.t
--- a/tests/test-rage.t
+++ b/tests/test-rage.t
@@ -11,3 +11,21 @@
 #endif
   $ hg rage --preview | grep -o 'blackbox'
   blackbox
+
+Test with shared repo
+  $ cat >> $HGRCPATH << EOF
+  > [extensions]
+  > share=
+  > EOF
+  $ cd ..
+  $ hg share repo repo2
+  updating working directory
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+Create fake infinitepush backup state to be collected by rage
+
+  $ echo "fakestate" > repo/.hg/infinitepushbackupstate
+  $ cd repo2
+  $ hg rage --preview | grep -o 'fakestate'
+  fakestate
+