merge with stable

tests: make tests work if directory contains special characters With this quoting tests will work e.g. in "/tmp/foo bar/mercurial/".

test-gpg: replace 825565136235 by md5sum check The call to 'hg identify' would have needed '--cwd "$TESTDIR' to make it work anyway, but by using a checksum this test can work outside a repository.

config: discard UTF-8 BOM if found

merge with stable

tests: shorten post-test sleeps This helps expose races

tests: don't run test-gpg if not in a working directory test-gpg has to be run in a mercurial working directory as it uses that to verify that it hasn't modified the trustdb.gpg file. Skip the test if it is running in an exploded tarball.

tests: avoid zombie lockup with test-hup The 'while kill -0' recipe can cause a livelock if the process we're waiting to die is a normal child process. If it becomes a zombie that the shell doesn't reap (shell bug?), it will continue to be able to accept signals. So instead, we just wait(1).

merge with stable

tests: make test-hup more race-proof We need to wait until a journal exists AND is non-empty before aborting a transaction to get stable output. We move the kill wait outside the fifo block to avoid potential deadlock.