tests: terminate subprocess in test-stdio.py in case of exception
If an error happened while reading the output of the subprocess, the pipe / TTY
buffer can fill up and prevent that the subprocess ends. Therefore we should
terminate the subprocess in case of an exception.
Mercurial
=========
Mercurial is a fast, easy to use, distributed revision control tool
for software developers.
Basic install::
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
Running without installing::
$ make local # build for inplace usage
$ ./hg --version # should show the latest version
See https://mercurial-scm.org/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.