[OE-core][dunfell 15/28] wic: Fix multi images .wks with bitbake

["Steve Sakoman" <steve@sakoman.com>]

From: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>

In order to support .wks files with multiple images inside bitbake we
need to explicitly set the pseudo database in use.

Eg: If we try this .mks:
part / --source rootfs --ondisk sda --fstype=ext4
part /export --source rootfs --rootfs=core-image-minimal-mtdutils --fstype=ext4

The username for all the files under /export will be set to the runner
of bitbake (usually UID 1000).

Before we run wic, we need to make sure that the pseudo database will be
flushed, and contains all the data needed.

Cc: Paul Barker <pbarker@konsulko.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo@ribalda.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit dde90a5dd2b22a539095d1bac82acc15c6380ac8)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
 meta/classes/image_types_wic.bbclass | 8 ++++++--
 scripts/lib/wic/partition.py         | 9 +++------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/meta/classes/image_types_wic.bbclass b/meta/classes/image_types_wic.bbclass
index 70ea46ef5b..82f0985eeb 100644
--- a/meta/classes/image_types_wic.bbclass
+++ b/meta/classes/image_types_wic.bbclass
@@ -33,8 +33,7 @@ IMAGE_CMD_wic () {
 	if [ -z "$wks" ]; then
 		bbfatal "No kickstart files from WKS_FILES were found: ${WKS_FILES}. Please set WKS_FILE or WKS_FILES appropriately."
 	fi
-
-	BUILDDIR="${TOPDIR}" wic create "$wks" --vars "${STAGING_DIR}/${MACHINE}/imgdata/" -e "${IMAGE_BASENAME}" -o "$build_wic/" ${WIC_CREATE_EXTRA_ARGS}
+	BUILDDIR="${TOPDIR}" PSEUDO_UNLOAD=1 wic create "$wks" --vars "${STAGING_DIR}/${MACHINE}/imgdata/" -e "${IMAGE_BASENAME}" -o "$build_wic/" ${WIC_CREATE_EXTRA_ARGS}
 	mv "$build_wic/$(basename "${wks%.wks}")"*.direct "$out${IMAGE_NAME_SUFFIX}.wic"
 }
 IMAGE_CMD_wic[vardepsexclude] = "WKS_FULL_PATH WKS_FILES TOPDIR"
@@ -89,6 +88,10 @@ python do_write_wks_template () {
     bb.utils.copyfile(wks_file, "%s/%s" % (depdir, basename + '-' + os.path.basename(wks_file)))
 }
 
+do_flush_pseudodb() {
+	${FAKEROOTENV} ${FAKEROOTCMD} -S
+}
+
 python () {
     if d.getVar('USING_WIC'):
         wks_file_u = d.getVar('WKS_FULL_PATH', False)
@@ -142,6 +145,7 @@ python do_rootfs_wicenv () {
     depdir = d.getVar('IMGDEPLOYDIR')
     bb.utils.copyfile(os.path.join(outdir, basename) + '.env', os.path.join(depdir, basename) + '.env')
 }
+addtask do_flush_pseudodb after do_image before do_image_wic
 addtask do_rootfs_wicenv after do_image before do_image_wic
 do_rootfs_wicenv[vardeps] += "${WICVARS}"
 do_rootfs_wicenv[prefuncs] = 'set_image_size'
diff --git a/scripts/lib/wic/partition.py b/scripts/lib/wic/partition.py
index 6e87770f3a..18ecec2de9 100644
--- a/scripts/lib/wic/partition.py
+++ b/scripts/lib/wic/partition.py
@@ -201,13 +201,10 @@ class Partition():
         p_prefix = os.environ.get("PSEUDO_PREFIX", "%s/usr" % native_sysroot)
         if (pseudo_dir == None):
             pseudo_dir = "%s/../pseudo" %  rootfs_dir
-        p_localstatedir = os.environ.get("PSEUDO_LOCALSTATEDIR", pseudo_dir)
-        p_passwd = os.environ.get("PSEUDO_PASSWD", rootfs_dir)
-        p_nosymlinkexp = os.environ.get("PSEUDO_NOSYMLINKEXP", "1")
         pseudo = "export PSEUDO_PREFIX=%s;" % p_prefix
-        pseudo += "export PSEUDO_LOCALSTATEDIR=%s;" % p_localstatedir
-        pseudo += "export PSEUDO_PASSWD=%s;" % p_passwd
-        pseudo += "export PSEUDO_NOSYMLINKEXP=%s;" % p_nosymlinkexp
+        pseudo += "export PSEUDO_LOCALSTATEDIR=%s;" % pseudo_dir
+        pseudo += "export PSEUDO_PASSWD=%s;" % rootfs_dir
+        pseudo += "export PSEUDO_NOSYMLINKEXP=1;"
         pseudo += "%s " % get_bitbake_var("FAKEROOTCMD")
 
         rootfs = "%s/rootfs_%s.%s.%s" % (cr_workdir, self.label,
-- 
2.17.1