mainbuilder/debian,ubuntu: Disable TLS verification for Git commands

Disable certificate verification for Git commands, including those that
run during tests. At some point, the `ca-certificates` won't get updates
anymore and, ideally, existing docker images will keep working.

Change-Id: I8d7dedeb97777d2f1e6e7e69aefb8cc7ca604940
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/66999
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
---
M util/manibuilder/Dockerfile.debian-debootstrap
M util/manibuilder/Dockerfile.ubuntu-debootstrap
2 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/util/manibuilder/Dockerfile.debian-debootstrap b/util/manibuilder/Dockerfile.debian-debootstrap
index ce201f8..d2e0eee 100644
--- a/util/manibuilder/Dockerfile.debian-debootstrap
+++ b/util/manibuilder/Dockerfile.debian-debootstrap
@@ -10,6 +10,7 @@
 	{ apt-get -qqy install libjaylink-dev || true; } && \
 	apt-get clean
 
+ENV GIT_SSL_NO_VERIFY=1
 USER mani
 RUN \
 	cd && \
diff --git a/util/manibuilder/Dockerfile.ubuntu-debootstrap b/util/manibuilder/Dockerfile.ubuntu-debootstrap
index fe3ad1e..f002d9a 100644
--- a/util/manibuilder/Dockerfile.ubuntu-debootstrap
+++ b/util/manibuilder/Dockerfile.ubuntu-debootstrap
@@ -23,6 +23,7 @@
 	{ apt-get -qqy install libjaylink-dev || true; } && \
 	apt-get clean
 
+ENV GIT_SSL_NO_VERIFY=1
 USER mani
 RUN \
 	cd && \

