Safeguard against colour output in grep commandadd -i to grep to make search for "Location" case-insensitive

Signed-off-by: Adam Warner <me@adamwarner.co.uk>
This commit is contained in:
Adam Warner 2020-02-24 20:02:48 +00:00
parent 8ecaaba247
commit 6104d81622
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@ -2459,17 +2459,14 @@ FTLcheckUpdate() {
if [[ ${ftlLoc} ]]; then if [[ ${ftlLoc} ]]; then
local FTLversion local FTLversion
FTLversion=$(/usr/bin/pihole-FTL tag) FTLversion=$(/usr/bin/pihole-FTL tag)
local FTLreleaseData
local FTLlatesttag local FTLlatesttag
if ! FTLreleaseData=$(curl -sI https://github.com/pi-hole/FTL/releases/latest); then if ! FTLlatesttag=$(curl -sI https://github.com/pi-hole/FTL/releases/latest | grep --color=never -i Location | awk -F / '{print $NF}' | tr -d '[:cntrl:]'); then
# There was an issue while retrieving the latest version # There was an issue while retrieving the latest version
printf " %b Failed to retrieve latest FTL release metadata" "${CROSS}" printf " %b Failed to retrieve latest FTL release metadata" "${CROSS}"
return 3 return 3
fi fi
FTLlatesttag=$(grep 'Location' <<< "${FTLreleaseData}" | awk -F '/' '{print $NF}' | tr -d '\r\n')
if [[ "${FTLversion}" != "${FTLlatesttag}" ]]; then if [[ "${FTLversion}" != "${FTLlatesttag}" ]]; then
return 0 return 0
else else