[PATCH v3 09/26] meta: create DL_DIR support for all apt-get downloaded .debs

[Vijai Kumar K <vijaikumar.kanagarajan@gmail.com>]

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

Hook in between the "apt-get --download-only"s and the "apt-get"s and
copy out all the debs for later.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
---
 meta/classes/deb-dl-dir.bbclass              | 15 +++++++++++++++
 meta/classes/dpkg-base.bbclass               |  1 +
 meta/classes/dpkg-gbp.bbclass                |  1 +
 meta/classes/dpkg.bbclass                    |  1 +
 meta/classes/image-locales-extension.bbclass |  2 +-
 meta/classes/image-tools-extension.bbclass   |  1 +
 meta/classes/rootfs.bbclass                  | 12 ++++++++++--
 meta/conf/bitbake.conf                       |  1 +
 8 files changed, 31 insertions(+), 3 deletions(-)
 create mode 100644 meta/classes/deb-dl-dir.bbclass

diff --git a/meta/classes/deb-dl-dir.bbclass b/meta/classes/deb-dl-dir.bbclass
new file mode 100644
index 0000000..e41e981
--- /dev/null
+++ b/meta/classes/deb-dl-dir.bbclass
@@ -0,0 +1,15 @@
+# This software is a part of ISAR.
+# Copyright (C) 2019 Siemens AG
+#
+# SPDX-License-Identifier: MIT
+
+deb_dl_dir_export() {
+    export pc="${DEBDIR}/${DISTRO}"
+    export rootfs="${1}"
+    mkdir -p "${pc}"
+    flock "${pc}".lock -c ' \
+        sudo find "${rootfs}"/var/cache/apt/archives/ -type f -iname '*\.deb' \
+            -exec cp -f '{}' "${pc}" \;
+        sudo chown -R $(id -u):$(id -g) "${pc}"
+    '
+}
diff --git a/meta/classes/dpkg-base.bbclass b/meta/classes/dpkg-base.bbclass
index aa11660..fd0b07f 100644
--- a/meta/classes/dpkg-base.bbclass
+++ b/meta/classes/dpkg-base.bbclass
@@ -8,6 +8,7 @@ inherit buildchroot
 inherit debianize
 inherit terminal
 inherit repository
+inherit deb-dl-dir
 
 DEPENDS ?= ""
 
diff --git a/meta/classes/dpkg-gbp.bbclass b/meta/classes/dpkg-gbp.bbclass
index 2afe9db..7e908eb 100644
--- a/meta/classes/dpkg-gbp.bbclass
+++ b/meta/classes/dpkg-gbp.bbclass
@@ -15,6 +15,7 @@ do_install_builddeps_append() {
     sudo -E chroot ${BUILDCHROOT_DIR} \
         apt-get install -y -o Debug::pkgProblemResolver=yes \
                         --no-install-recommends --download-only ${GBP_DEPENDS}
+    deb_dl_dir_export "${BUILDCHROOT_DIR}"
     sudo -E chroot ${BUILDCHROOT_DIR} \
         apt-get install -y -o Debug::pkgProblemResolver=yes \
                         --no-install-recommends ${GBP_DEPENDS}
diff --git a/meta/classes/dpkg.bbclass b/meta/classes/dpkg.bbclass
index b26c645..7e2c86d 100644
--- a/meta/classes/dpkg.bbclass
+++ b/meta/classes/dpkg.bbclass
@@ -9,6 +9,7 @@ do_install_builddeps() {
     E="${@ isar_export_proxies(d)}"
     sudo -E chroot ${BUILDCHROOT_DIR} /isar/deps.sh \
         ${PP}/${PPS} ${DISTRO_ARCH} --download-only
+    deb_dl_dir_export "${BUILDCHROOT_DIR}"
     sudo -E chroot ${BUILDCHROOT_DIR} /isar/deps.sh \
         ${PP}/${PPS} ${DISTRO_ARCH}
     dpkg_undo_mounts
diff --git a/meta/classes/image-locales-extension.bbclass b/meta/classes/image-locales-extension.bbclass
index 3c0758f..0f0d0ca 100644
--- a/meta/classes/image-locales-extension.bbclass
+++ b/meta/classes/image-locales-extension.bbclass
@@ -25,7 +25,7 @@ def get_nopurge(d):
                                           j.split()[0].split(".")[0],
                                           j.split()[0]))))
 
-ROOTFS_INSTALL_COMMAND_BEFORE_CLEAN += "image_install_localepurge_download"
+ROOTFS_INSTALL_COMMAND_BEFORE_EXPORT += "image_install_localepurge_download"
 image_install_localepurge_download[weight] = "40"
 image_install_localepurge_download() {
     sudo -E chroot '${ROOTFSDIR}' \
diff --git a/meta/classes/image-tools-extension.bbclass b/meta/classes/image-tools-extension.bbclass
index b8531cb..ec67d94 100644
--- a/meta/classes/image-tools-extension.bbclass
+++ b/meta/classes/image-tools-extension.bbclass
@@ -34,6 +34,7 @@ do_install_imager_deps() {
             --allow-unauthenticated --allow-downgrades --download-only install \
             ${IMAGER_INSTALL}'
 
+    deb_dl_dir_export ${BUILDCHROOT_DIR}
     sudo -E chroot ${BUILDCHROOT_DIR} sh -c ' \
         apt-get -o Debug::pkgProblemResolver=yes --no-install-recommends -y \
             --allow-unauthenticated --allow-downgrades install \
diff --git a/meta/classes/rootfs.bbclass b/meta/classes/rootfs.bbclass
index b4dbfa3..a6b6110 100644
--- a/meta/classes/rootfs.bbclass
+++ b/meta/classes/rootfs.bbclass
@@ -1,6 +1,8 @@
 # This software is a part of ISAR.
 # Copyright (c) Siemens AG, 2019
 
+inherit deb-dl-dir
+
 ROOTFS_ARCH ?= "${DISTRO_ARCH}"
 ROOTFS_DISTRO ?= "${DISTRO}"
 ROOTFS_PACKAGES ?= ""
@@ -119,8 +121,14 @@ rootfs_install_pkgs_download() {
         /usr/bin/apt-get ${ROOTFS_APT_ARGS} --download-only ${ROOTFS_PACKAGES}
 }
 
-ROOTFS_INSTALL_COMMAND_BEFORE_CLEAN ??= ""
-ROOTFS_INSTALL_COMMAND += "${ROOTFS_INSTALL_COMMAND_BEFORE_CLEAN}"
+ROOTFS_INSTALL_COMMAND_BEFORE_EXPORT ??= ""
+ROOTFS_INSTALL_COMMAND += "${ROOTFS_INSTALL_COMMAND_BEFORE_EXPORT}"
+
+ROOTFS_INSTALL_COMMAND += "rootfs_export_package_cache"
+rootfs_export_package_cache[weight] = "5"
+rootfs_export_package_cache() {
+    deb_dl_dir_export ${ROOTFSDIR}
+}
 
 ROOTFS_INSTALL_COMMAND += "${@ 'rootfs_install_clean_files' if (d.getVar('ROOTFS_CLEAN_FILES') or '').strip() else ''}"
 rootfs_install_clean_files[weight] = "2"
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index ab608da..d86c5b9 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -26,6 +26,7 @@ DEPLOY_DIR = "${TMPDIR}/deploy"
 FILE_DIRNAME = "${@os.path.dirname(d.getVar('FILE', False))}"
 FILESEXTRAPATHS ?= "__default:"
 GITDIR = "${DL_DIR}/git"
+DEBDIR = "${DL_DIR}/deb"
 DEBSRCDIR = "${DL_DIR}/deb-src"
 P = "${PN}-${PV}"
 PF = "${PN}-${PV}-${PR}"
-- 
2.17.1