gemini: follow common pattern for temp dir naming

For temporary directories <imagename>.tmp is a common pattern in image
build code across the tree. Use it for the nas4220b/sq201 recipe as
well.

Signed-off-by: Mathias Kresin <dev@kresin.me>

diff --git a/target/linux/gemini/image/Makefile b/target/linux/gemini/image/Makefile
index 469e2b0a536da88c62f2c76a5c96940335bdb928..a55a89070076d70e85474f77bb47d1d1ab7243b0 100644 (file)
--- a/target/linux/gemini/image/Makefile
+++ b/target/linux/gemini/image/Makefile
@@ -53,15 +53,17 @@ endef
 # there when using OpenWRT. We just use that to create the
 # "sysupgrade" firmware image.
 define Build/nas4220b-sq201-images
-       rm -rf $@-tmp
-       mkdir -p $@-tmp
-       mv $@ $@-tmp/rd.gz
-       dd if=/dev/zero of=$@-tmp/hddapp.tgz bs=6144k count=1
-       cp $(IMAGE_KERNEL) $@-tmp/zImage
-       cp ./ImageInfo-$(1) $@-tmp/ImageInfo
-       (cd $@-tmp; tar --sort=name --owner=0 --group=0 --numeric-owner -czf $@ * \
+       mkdir -p $@.tmp
+
+       mv $@ $@.tmp/rd.gz
+       dd if=/dev/zero of=$@.tmp/hddapp.tgz bs=6144k count=1
+       cp $(IMAGE_KERNEL) $@.tmp/zImage
+       cp ./ImageInfo-$(1) $@.tmp/ImageInfo
+
+       (cd $@.tmp; tar --sort=name --owner=0 --group=0 --numeric-owner -czf $@ * \
                $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)"))
-       rm -rf $@-tmp
+
+       rm -rf $@.tmp
 endef
 
 # WBD-111 and WBD-222: