run-tests: give each child its own tmp dir (issue1911)
Fixes bug introduced by f8b4df4b033d (issue1911: --tmpdir plus parallel
mode = fail), and also fixes the long-standing quirk that parallel mode
created multiple /tmp/hgtests.XXXXXX directories. Now there is only one
/tmp/hgtests.XXXXXX, with child0, child1, etc. under it.
marked working directory as branch æ
adding foo
listening at http://localhost/ (bound to 127.0.0.1)
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
updating to branch æ
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
changeset: 0:867c11ce77b8
branch: æ
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: foo
pushing to http://localhost:PORT
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
changeset: 1:58e7c90d67cb
branch: æ
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: bar
changeset: 0:867c11ce77b8
branch: æ
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: foo
pushing to ssh://dummy/
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files