$ hg init outer

  $ cd outer

  $ echo '[paths]' >> .hg/hgrc

  $ echo 'default = http://example.net/' >> .hg/hgrc

hg debugsub with no remapping

  $ echo 'sub = libfoo' > .hgsub

  $ hg add .hgsub

  $ hg debugsub

  path sub

   source   libfoo

   revision 

hg debugsub with remapping

  $ echo '[subpaths]' >> .hg/hgrc

  $ printf 'http://example.net/lib(.*) = C:\\libs\\\\1-lib\\\n' >> .hg/hgrc

  $ hg debugsub

  path sub

   source   C:\libs\foo-lib\

   revision 

test cumulative remapping, the $HGRCPATH file is loaded first

  $ echo '[subpaths]' >> $HGRCPATH

  $ echo 'libfoo = libbar' >> $HGRCPATH

  $ hg debugsub

  path sub

   source   C:\libs\bar-lib\

   revision 

test absolute source path -- testing with a URL is important since

standard os.path.join wont treat that as an absolute path

  $ echo 'abs = http://example.net/abs' > .hgsub

  $ hg debugsub

  path abs

   source   http://example.net/abs

   revision 

  $ echo 'abs = /abs' > .hgsub

  $ hg debugsub

  path abs

   source   /abs

   revision 

test bad subpaths pattern

  $ cat > .hg/hgrc <<EOF

  > [subpaths]

  > .* = \1

  > EOF

  $ hg debugsub

  abort: bad subrepository pattern in $TESTTMP/outer/.hg/hgrc:2: invalid group reference (glob)

  [255]