[PATCH v6 1/4] wic: Obtain real machine name in isoimage source plugin

[Anton Mikanovich <amikan@ilbers.de>]

The current implementation tries to obtain machine name from the deploy
directory name, which relies on hardcoded path format. Add MACHINE to
the WIC environment and read it in isoimage-isohybrid-isar.py to fix
that.

Signed-off-by: Anton Mikanovich <amikan@ilbers.de>
---
 meta/classes-recipe/imagetypes_wic.bbclass                    | 2 +-
 .../scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/meta/classes-recipe/imagetypes_wic.bbclass b/meta/classes-recipe/imagetypes_wic.bbclass
index 6b82add3..d50022ce 100644
--- a/meta/classes-recipe/imagetypes_wic.bbclass
+++ b/meta/classes-recipe/imagetypes_wic.bbclass
@@ -107,7 +107,7 @@ WICVARS += "\
            ROOTFS_SIZE STAGING_DATADIR STAGING_DIR STAGING_LIBDIR TARGET_SYS TRANSLATED_TARGET_ARCH"
 
 # Isar specific vars used in our plugins
-WICVARS += "DISTRO DISTRO_ARCH KERNEL_FILE"
+WICVARS += "DISTRO DISTRO_ARCH KERNEL_FILE MACHINE"
 
 python do_rootfs_wicenv () {
     wicvars = d.getVar('WICVARS')
diff --git a/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py b/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py
index fb6c6b39..0ed61fff 100644
--- a/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py
+++ b/meta/scripts/lib/wic/plugins/source/isoimage-isohybrid-isar.py
@@ -191,7 +191,9 @@ class IsoImagePlugin(SourcePlugin):
             if not image_type:
                 raise WicError("Couldn't find INITRAMFS_FSTYPES, exiting.")
 
-            machine = os.path.basename(initrd_dir)
+            machine = get_bitbake_var("MACHINE")
+            if not machine:
+                raise WicError("Couldn't find MACHINE, exiting.")
 
             pattern = '%s/%s*%s.%s' % (initrd_dir, image_name, machine, image_type)
             pattern = '%s/%s-%s-initrd.%s' % (initrd_dir, image_name, machine, image_type)
-- 
2.34.1

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