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build: remove sgid permission from tar 

Otherwise tar will keep the sgid bit when running
from a sgid-set directory, resulting in a different
file being generated.

Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
[reworked commit message, removed DMARC]
openwrt-19.07
Eneas U de Queiroz 2019-03-28 16:58:07 +00:00 committed by Christian Lamparter
parent 32a6c252db
commit 8252511dc0
2 changed files with 3 additions and 2 deletions
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3
include/download.mk
View File

@ -55,7 +55,8 @@ define dl_pack
$(if $(dl_pack/$(call ext,$(1))),$(dl_pack/$(call ext,$(1))),$(dl_pack/unknown))
endef
define dl_tar_pack
$(TAR) --numeric-owner --owner=0 --group=0 --sort=name $$$${TAR_TIMESTAMP:+--mtime="$$$$TAR_TIMESTAMP"} -c $(2) | $(call dl_pack,$(1))
$(TAR) --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
$$$${TAR_TIMESTAMP:+--mtime="$$$$TAR_TIMESTAMP"} -c $(2) | $(call dl_pack,$(1))
endef
ifdef CHECK

2
include/image.mk
View File

@ -291,7 +291,7 @@ endef
ifdef CONFIG_TARGET_ROOTFS_TARGZ
define Image/Build/targz
$(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
$(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
-C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
endef