Set name for spdx in macro %mkosi_spdx_name

The name for the spdx profile can be set using the macro
`%mkosi_spdx_name`  in the project configuration.
Default is `image` if not set.

build-recipe-mkosi

@@ -100,24 +100,29 @@ recipe_build_mkosi() {
         cp -r "/.build/" "$TOPDIR/scripts"
         chmod +x "$TOPDIR/scripts/.build/generate_sbom"
         mkdir -p $BUILD_ROOT/$TOPDIR/SOURCES/mkosi.conf.d/99-sbom/
+        IMAGENAME=$(queryconfig --dist "$BUILD_DIST" --configdir "$CONFIG_DIR" --archpath "$BUILD_ARCH" eval '%{?mkosi_sbom_name}' || "image")
+        IMAGENAME=${IMAGENAME:-image}
+        echo "IMAGENAME= $IMAGENAME"
         echo "generating script for sbom $format"
 cat << EOF >> $BUILD_ROOT/$TOPDIR/SOURCES/mkosi.conf.d/99-sbom/mkosi.finalize
 #!/usr/bin/bash
 # script generated by build-receipe-mkosi for sbom buildflags
 echo "Generating $format sbom file"
-imgname="image.${RELEASE}"
+imgname="$IMAGENAME.${RELEASE}"
+ln -sf \$BUILDROOT "$IMAGENAME"
 export PERL5LIB="$TOPDIR/scripts/.build"
 $TOPDIR/scripts/.build/generate_sbom \
   --dist "$TOPDIR/scripts/$BUILD_DIST" \
   --configdir "$TOPDIR/scripts/$CONFIG_DIR" \
   --archpath "$BUILD_ARCH" \
   --format "$format" \
-  --dir \$BUILDROOT  > "\$OUTPUTDIR/\${imgname}${buildnum}.${format/cyclonedx/cdx}.json"
+  --dir "$IMAGENAME"  > "\$OUTPUTDIR/\${imgname}${buildnum}.${format/cyclonedx/cdx}.json"
 pushd \$OUTPUTDIR >/dev/null
 /usr/bin/sha256sum "\${imgname}${buildnum}.${format/cyclonedx/cdx}.json" > "\${imgname}${buildnum}.${format/cyclonedx/cdx}.json".sh256
 popd >/dev/null
 EOF
         chmod +x $BUILD_ROOT/$TOPDIR/SOURCES/mkosi.conf.d/99-sbom/mkosi.finalize
+        cat $BUILD_ROOT/$TOPDIR/SOURCES/mkosi.conf.d/99-sbom/mkosi.finalize
     done
 
     set -- mkosi \