[RFC 3/4] ci: Test for isar-apt reuse

[Uladzimir Bely <ubely@ilbers.de>]

The approach: after first build of some target can remove
all temporary files, leaving tmp/deploy/isar-apt. Second
build should use packages from it without rebuilding.

Signed-off-by: Uladzimir Bely <ubely@ilbers.de>
---
 scripts/ci_build.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/scripts/ci_build.sh b/scripts/ci_build.sh
index 837cd67..e62c02a 100755
--- a/scripts/ci_build.sh
+++ b/scripts/ci_build.sh
@@ -203,8 +203,18 @@ if [ -n "$REPRO_BUILD" ]; then
     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
+    # Check reuse of isar-apt repository
+    sudo rm -rf tmp/cache tmp/sstate-cache tmp/work tmp/stamps
+    sed -i -e 's/^ISAR_APT_ALWAYS_REBUILD_ON_CHANGE ?= "1"/#ISAR_APT_ALWAYS_REBUILD_ON_CHANGE ?= "1"/g' conf/local.conf
+    if bitbake $BB_ARGS $REPRO_TARGETS_SET; then
+        echo "isar-apt reuse: PASSED"
+    else
+        echo "isar-apt reuse: KFAIL"
+    fi
+    while [ -e bitbake.sock ]; do sleep 1; done
     # Cleanup and disable use of unsigned cached base repository
     sudo rm -rf tmp
+    sed -i -e 's/^#ISAR_APT_ALWAYS_REBUILD_ON_CHANGE ?= "1"/ISAR_APT_ALWAYS_REBUILD_ON_CHANGE ?= "1"/g' conf/local.conf
     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
 fi
-- 
2.20.1