uboot-envtools: check for config prior to append
In the rare event a pre-populated fw_env.config exists in the rootfs prior to firstboot, calling fw_setenv after the system has initialised will annihilate the devices environment due to two identical lines in fw_env.config. Check for existence prior to blind appendage. Signed-off-by: Imran Khan <gururug@gmail.com> Signed-off-by: Daniel Golle <daniel@makrotopia.org> [daniel@makrotopia.org: fixed patch format, improved grep, cosmetics]
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@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=uboot-envtools
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PKG_DISTNAME:=u-boot
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PKG_VERSION:=2019.07
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PKG_RELEASE:=1
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PKG_RELEASE:=2
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PKG_SOURCE_PROTO:=git
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PKG_SOURCE:=$(PKG_DISTNAME)-$(PKG_VERSION).tar.xz
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@ -31,6 +31,6 @@ ubootenv_add_app_config() {
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config_get envsize "$1" envsize
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config_get secsize "$1" secsize
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config_get numsec "$1" numsec
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echo "$dev $offset $envsize $secsize $numsec" >>/etc/fw_env.config
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grep -q "^[[:space:]]*${dev}[[:space:]]*${offset}" /etc/fw_env.config || echo "$dev $offset $envsize $secsize $numsec" >>/etc/fw_env.config
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}
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