$ echo "[extensions]"      >> $HGRCPATH

  $ echo "share = "          >> $HGRCPATH

prepare repo1

  $ hg init repo1

  $ cd repo1

  $ echo a > a

  $ hg commit -A -m'init'

  adding a

share it

  $ cd ..

  $ hg share repo1 repo2

  updating working directory

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

share shouldn't have a store dir

  $ cd repo2

  $ test -d .hg/store

  [1]

Some sed versions appends newline, some don't, and some just fails

  $ cat .hg/sharedpath; echo

  $TESTTMP/repo1/.hg

trailing newline on .hg/sharedpath is ok

  $ hg tip -q

  0:d3873e73d99e

  $ echo '' >> .hg/sharedpath

  $ cat .hg/sharedpath

  $TESTTMP/repo1/.hg

  $ hg tip -q

  0:d3873e73d99e

commit in shared clone

  $ echo a >> a

  $ hg commit -m'change in shared clone'

check original

  $ cd ../repo1

  $ hg log

  changeset:   1:8af4dc49db9e

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     change in shared clone

  changeset:   0:d3873e73d99e

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     init

  $ hg update

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cat a             # should be two lines of "a"

  a

  a

commit in original

  $ echo b > b

  $ hg commit -A -m'another file'

  adding b

check in shared clone

  $ cd ../repo2

  $ hg log

  changeset:   2:c2e0ac586386

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     another file

  changeset:   1:8af4dc49db9e

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     change in shared clone

  changeset:   0:d3873e73d99e

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     init

  $ hg update

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cat b             # should exist with one "b"

  b

hg serve shared clone

  $ hg serve -n test -p $HGPORT -d --pid-file=hg.pid

  $ cat hg.pid >> $DAEMON_PIDS

  $ "$TESTDIR/get-with-headers.py" localhost:$HGPORT '/raw-file/'

  200 Script output follows

  -rw-r--r-- 4 a

  -rw-r--r-- 2 b

test unshare command

  $ hg unshare

  $ test -d .hg/store

  $ test -f .hg/sharedpath

  [1]

  $ hg unshare

  abort: this is not a shared repo

  [255]

check that a change does not propagate

  $ echo b >> b

  $ hg commit -m'change in unshared'

  $ cd ../repo1

  $ hg id -r tip

  c2e0ac586386 tip