manibuilder: Add service container with local Git access

Add a new target `local-git` that spawns a service container with a
local Git daemon. The variable ${TEST_LOCAL} needs to point to the
directory of a local git repository.

Change-Id: I9e465551d3398fdb8d173a0a8fbd169561241a74
Signed-off-by: Nico Huber <nico.h@gmx.de>
2 files changed