If the caller passes a cwd value, display it before showing the
command and running it.
Change-Id: I3f50da28f660dcb0ef9f52b707079ed24ca89ce2
Signed-off-by: Doug Hellmann <doug@doughellmann.com>
Provide some wrappers around subprocess functions to capture stderr
and stdout and divert it to the logs so that the test output is less
cluttered with the output of various git commands.
Change-Id: If36ef013aca498e3a0a9cc3a2b78d666775439ab
Signed-off-by: Doug Hellmann <doug@doughellmann.com>
