[PATCH 17/17] CI: set BB_NO_NETWORK for cached rebuild

[Henning Schild <henning.schild@siemens.com>]

From: Henning Schild <henning.schild@siemens.com>

Also add it to our sample config and comment on its use in conjuction
with base-apt.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
---
 doc/user_manual.md               | 1 +
 meta-isar/conf/local.conf.sample | 4 ++++
 scripts/ci_build.sh              | 2 ++
 3 files changed, 7 insertions(+)

diff --git a/doc/user_manual.md b/doc/user_manual.md
index 34f50df..81fac43 100644
--- a/doc/user_manual.md
+++ b/doc/user_manual.md
@@ -809,6 +809,7 @@ bitbake -c cache_base_repo multiconfig:qemuarm-buster:isar-image-base
 ```
 # Uncomment this to enable use of cached base repository
 #ISAR_USE_CACHED_BASE_REPO ?= "1"
+#BB_NO_NETWORK ?= "1"
 ```
  - Remove build artifacts to use only local base-apt:
 
diff --git a/meta-isar/conf/local.conf.sample b/meta-isar/conf/local.conf.sample
index 7c1338e..f90b6a6 100644
--- a/meta-isar/conf/local.conf.sample
+++ b/meta-isar/conf/local.conf.sample
@@ -176,6 +176,10 @@ ISAR_CROSS_COMPILE ?= "0"
 #
 # Uncomment this to enable use of cached base repository
 #ISAR_USE_CACHED_BASE_REPO ?= "1"
+#
+# You probably want to uncomment this as well to make sure the build
+# does not access the network
+#BB_NO_NETWORK ?= "1"
 
 # Set root password to 'root'
 # Password was encrypted using following command:
diff --git a/scripts/ci_build.sh b/scripts/ci_build.sh
index 4f101c1..ae57a02 100755
--- a/scripts/ci_build.sh
+++ b/scripts/ci_build.sh
@@ -145,12 +145,14 @@ if [ -n "$REPRO_BUILD" ]; then
     while [ -e bitbake.sock ]; do sleep 1; done
     sudo rm -rf tmp
     sed -i -e 's/#ISAR_USE_CACHED_BASE_REPO ?= "1"/ISAR_USE_CACHED_BASE_REPO ?= "1"/g' conf/local.conf
+    sed -i -e 's/^#BB_NO_NETWORK/BB_NO_NETWORK/g' conf/local.conf
     bitbake $BB_ARGS $REPRO_TARGETS_SET
     while [ -e bitbake.sock ]; do sleep 1; done
     # Cleanup and disable use of cached base repository
     sudo rm -rf tmp
     sed -i -e 's/ISAR_USE_CACHED_BASE_REPO ?= "1"/#ISAR_USE_CACHED_BASE_REPO ?= "1"/g' conf/local.conf
     sed -i -e 's/^BASE_REPO_KEY/#BASE_REPO_KEY/g' conf/local.conf
+    sed -i -e 's/^BB_NO_NETWORK/#BB_NO_NETWORK/g' conf/local.conf
 fi
 
 # Start cross build for the defined set of configurations
-- 
2.23.0