diff -r 18b5b6392fcf -r ef5eaf53f4f7 tests/test-subrepo.t
--- a/tests/test-subrepo.t	Tue Oct 19 03:55:28 2010 +0200
+++ b/tests/test-subrepo.t	Tue Oct 19 03:56:20 2010 +0200
@@ -585,3 +585,64 @@
   $ hg -R repo update
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ rm -rf repo2 repo
+
+
+Issue1852 subrepos with relative paths always push/pull relative to default
+
+Prepare a repo with subrepo
+
+  $ hg init issue1852a
+  $ cd issue1852a
+  $ hg init sub/repo
+  $ echo test > sub/repo/foo
+  $ hg -R sub/repo add sub/repo/foo
+  $ echo sub/repo = sub/repo > .hgsub
+  $ hg add .hgsub
+  $ hg ci -mtest
+  committing subrepository sub/repo
+  $ echo test >> sub/repo/foo
+  $ hg ci -mtest
+  committing subrepository sub/repo
+  $ cd ..
+
+Create repo without default path, pull top repo, and see what happens on update
+
+  $ hg init issue1852b
+  $ hg -R issue1852b pull issue1852a
+  pulling from issue1852a
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 2 changesets with 3 changes to 2 files
+  (run 'hg update' to get a working copy)
+  $ hg -R issue1852b update
+  abort: default path for subrepository sub/repo not found
+  [255]
+
+Pull -u now doesn't help
+
+  $ hg -R issue1852b pull -u issue1852a
+  pulling from issue1852a
+  searching for changes
+  no changes found
+
+Try the same, but with pull -u
+
+  $ hg init issue1852c
+  $ hg -R issue1852c pull -r0 -u issue1852a
+  pulling from issue1852a
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 2 changes to 2 files
+  abort: default path for subrepository sub/repo not found
+  [255]
+
+Try to push from the other side
+
+  $ hg -R issue1852a push issue1852c
+  pushing to issue1852c
+  abort: default path for subrepository sub/repo not found
+  [255]