[PATCH 4/9] image: Add cache_base_repo task

["Maxim Yu. Osipov" <mosipov@ilbers.de>]

From: Alexander Smirnov <asmirnov@ilbers.de>

This task puts all the packages using in build to base-apt.

Signed-off-by: Alexander Smirnov <asmirnov@ilbers.de>
Signed-off-by: Maxim Yu. Osipov <mosipov@ilbers.de>
---
 meta-isar/recipes-core/images/isar-image-base.bb |  3 ++-
 meta/classes/image.bbclass                       | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/meta-isar/recipes-core/images/isar-image-base.bb b/meta-isar/recipes-core/images/isar-image-base.bb
index 4899593..bf606cc 100644
--- a/meta-isar/recipes-core/images/isar-image-base.bb
+++ b/meta-isar/recipes-core/images/isar-image-base.bb
@@ -41,7 +41,8 @@ devtmpfs	/dev		devtmpfs	mode=0755,nosuid	0	0
 # End /etc/fstab
 EOF
 
-    setup_root_file_system --clean --fstab "${WORKDIR}/fstab" \
+    setup_root_file_system --clean --keep-apt-cache \
+        --fstab "${WORKDIR}/fstab" \
         "${IMAGE_ROOTFS}" ${IMAGE_PREINSTALL} ${IMAGE_INSTALL}
 
     # Configure root filesystem
diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index ea8cbf5..0505a73 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -123,6 +123,27 @@ do_populate_sdk[depends] = "sdkchroot:do_build"
 
 addtask populate_sdk after do_rootfs
 
+inherit base-apt-helper
+
+do_cache_base_repo[depends] = "base-apt:do_cache_config"
+do_cache_base_repo[stamp-extra-info] = "${MACHINE}-${DISTRO}"
+
+do_cache_base_repo() {
+    if [ -d ${WORKDIR}/apt_cache ]; then
+        populate_base_apt ${WORKDIR}/apt_cache
+    fi
+
+    if [ -d ${BUILDCHROOT_HOST_DIR}/var/cache/apt ]; then
+        populate_base_apt ${BUILDCHROOT_HOST_DIR}/var/cache/apt
+    fi
+
+    if [ -d ${BUILDCHROOT_TARGET_DIR}/var/cache/apt ]; then
+        populate_base_apt ${BUILDCHROOT_TARGET_DIR}/var/cache/apt
+    fi
+}
+
+addtask cache_base_repo after do_rootfs
+
 # Imager are expected to run natively, thus will use the target buildchroot.
 ISAR_CROSS_COMPILE = "0"
 
-- 
2.11.0