nwztools: update makefile and add script

The new script allows the upgrade to execute a file found on the user partition.

Change-Id: I564941d01bcdbae050002e77cb119f3d95ecdc21

1 files changed, 21 insertions, 1 deletions

diff --git a/utils/nwztools/scripts/Makefile b/utils/nwztools/scripts/Makefile
index 36ccfbb496..207534a006 100644
--- a/utils/nwztools/scripts/Makefile
+++ b/utils/nwztools/scripts/Makefile
@@ -8,7 +8,8 @@ all:
         @echo "- dump_rootfs: dumps the root filesystem to rootfs.tgz"
         @echo "- do_fw_upgrade: put the device in NWZ_DEV in firmware upgrade mode"
         @echo "- copy_fw_upgrade: copy firmware to a device with the right name"
-        @echo "- exec_file: craft an upgrade that executes a script/executable"
+        @echo "- exec_file: craft an upgrade that embeds and execute a file"
+        @echo "- exec_file_extern: craft an upgrade that execute a file on the user partition"
         @echo "- list_targets: produce of list of available targets"
 
 ifndef UPG
@@ -43,6 +44,7 @@ ifndef NWZ_DEV
 want_dev:
         $(info Please set NWZ_DEV to your dev. For example:)
         $(info make do_fw_upgrade NWZ_DEV=/dev/sdx)
+        $(error "")
 else
 want_dev: ;
 endif
@@ -51,15 +53,33 @@ ifndef NWZ_MOUNT
 want_mount:
         $(info Please set NWZ_MOUNT to your dev mount point. For example:)
         $(info make copy_fw_upgrade NWZ_MOUNT=/media/WALKMAN ...)
+        $(error "")
 else
 want_mount: ;
 endif
 
+ifndef LOG
+want_log:
+        $(info Please set LOG to the log filename. For example:)
+        $(info make exec_file_extern LOG=exec.log ...)
+        $(error "")
+else
+want_log: ;
+endif
+
 UPGPACK=$(upgtool) -c -m $(NWZ_TARGET) $(UPG) $(1)
 
 exec_file: want_target want_exec want_upg
         $(call UPGPACK, exec_file.sh $(EXEC))
 
+exec_file_extern.tmp: want_exec want_upg want_log
+        cat exec_file_extern.sh.in | sed "s|NWZ_EXEC_THIS|$(EXEC)|" |\
+        sed "s|NWZ_LOG_THIS|$(LOG)|" > $@
+.INTERMEDIATE: exec_file_extern.tmp
+
+exec_file_extern: want_target want_exec want_upg want_log exec_file_extern.tmp
+        $(call UPGPACK, exec_file_extern.tmp)
+
 dump_rootfs: want_target want_upg
         $(call UPGPACK, dump_rootfs.sh)