[PATCH v3 5/6] bootstrap: create lock for downloads/deb without sudo

["'Cedric Hombourger' via isar-users" <isar-users@googlegroups.com>]

The syncin/syncout commands passed to mmdebstrap will create a lock
file in downloads/deb if it does not exist. As mmdebstrap is being
executed as root, the lock would also be owned by root and this will
cause problems for rootless commands that may be executed later (such
as downloading of Debian packages). Create the lock file without
sudo prior to running mmdebstrap for it to be owned by the build user
rather than root.

Signed-off-by: Cedric Hombourger <cedric.hombourger@siemens.com>
---
 meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc b/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc
index 931f6f13..b2de61ad 100644
--- a/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc
+++ b/meta/recipes-core/isar-mmdebstrap/isar-mmdebstrap.inc
@@ -181,6 +181,10 @@ do_bootstrap() {
                                  && sudo umount $base_apt_tmp \
                                  && rm -rf --one-file-system $base_apt_tmp' EXIT
 
+    # Create lock file so that it is owned by the user running the build (not root)
+    mkdir -p ${DEBDIR}
+    touch ${DEB_DL_LOCK}
+
     sudo TMPDIR="${BOOTSTRAP_TMPDIR}" mmdebstrap $bootstrap_args \
                    $arch_param \
                    --mode=unshare \
-- 
2.39.5

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