[PATCH 1/1] isar-bootstrap-helper: fix "Argument list too long" error

[Cedric Hombourger <Cedric_Hombourger@mentor.com>]

The mv command used to move downloaded .deb files to the apt cache will
fail with an "Argument list too long" error when the root file-system
includes many packages. Use 'find -execdir {} +' to call /bin/mv with
as many packages as possible but without exceeding system limits.

Signed-off-by: Cedric Hombourger <Cedric_Hombourger@mentor.com>
---
 meta/classes/isar-bootstrap-helper.bbclass | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/meta/classes/isar-bootstrap-helper.bbclass b/meta/classes/isar-bootstrap-helper.bbclass
index 641138a..d780b85 100644
--- a/meta/classes/isar-bootstrap-helper.bbclass
+++ b/meta/classes/isar-bootstrap-helper.bbclass
@@ -145,8 +145,9 @@ setup_root_file_system() {
     if [ ${CLEAN} ]; then
         if [ ${KEEP_APT_CACHE} -eq 1 ]; then
             mkdir -p ${WORKDIR}/apt_cache
-            sudo mv $(find $ROOTFSDIR/var/cache/apt -name '*.deb') ${WORKDIR}/apt_cache
-            sudo chown `whoami` ${WORKDIR}/apt_cache/*
+            sudo find ${ROOTFSDIR}/var/cache/apt/archives \
+                -maxdepth 1 -name '*.deb' -execdir /bin/mv -t ${WORKDIR}/apt_cache '{}' '+'
+            sudo chown -R $(whoami) ${WORKDIR}/apt_cache
         fi
         sudo -E chroot "$ROOTFSDIR" \
             /usr/bin/apt-get autoremove --purge --yes
-- 
2.11.0