The new test lets git check if $top is actually a git repo, instead of
just looking for clues.
BUG=chromium:776174
BRANCH=none
TEST=`mv .git .foo; mkdir .git; util/genbuild_h/genbuild_h.sh` provides
a valid build.h instead of failing because git is unhappy about the
.git directory.
Change-Id: I7fcc64d66e0b59fca1479b4c142fd0559aa984f4
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/22107
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
44aaf6137d