LBRY-Vault/contrib/build_tools_util.sh
Axel Gembe 84ca7ef306
Build: Set a fixed umask before starting Docker
Umask seems to leak into Docker containers and causes the build to
not be reproducible accross different umasks.

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taken from Electron-Cash/Electron-Cash@984967b408
2019-07-23 21:24:32 +02:00

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#!/usr/bin/env bash
# Set a fixed umask as this leaks into docker containers
umask 0022
RED='\033[0;31m'
BLUE='\033[0;34m'
YELLOW='\033[0;33m'
NC='\033[0m' # No Color
function info {
printf "\r💬 ${BLUE}INFO:${NC} ${1}\n"
}
function fail {
printf "\r🗯 ${RED}ERROR:${NC} ${1}\n"
exit 1
}
function warn {
printf "\r⚠ ${YELLOW}WARNING:${NC} ${1}\n"
}
# based on https://superuser.com/questions/497940/script-to-verify-a-signature-with-gpg
function verify_signature() {
local file=$1 keyring=$2 out=
if out=$(gpg --no-default-keyring --keyring "$keyring" --status-fd 1 --verify "$file" 2>/dev/null) &&
echo "$out" | grep -qs "^\[GNUPG:\] VALIDSIG "; then
return 0
else
echo "$out" >&2
exit 1
fi
}
function verify_hash() {
local file=$1 expected_hash=$2
actual_hash=$(sha256sum $file | awk '{print $1}')
if [ "$actual_hash" == "$expected_hash" ]; then
return 0
else
echo "$file $actual_hash (unexpected hash)" >&2
rm "$file"
exit 1
fi
}
function download_if_not_exist() {
local file_name=$1 url=$2
if [ ! -e $file_name ] ; then
wget -O $file_name "$url"
fi
}
# https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/templates/header.sh
function retry() {
local result=0
local count=1
while [ $count -le 3 ]; do
[ $result -ne 0 ] && {
echo -e "\nThe command \"$@\" failed. Retrying, $count of 3.\n" >&2
}
! { "$@"; result=$?; }
[ $result -eq 0 ] && break
count=$(($count + 1))
sleep 1
done
[ $count -gt 3 ] && {
echo -e "\nThe command \"$@\" failed 3 times.\n" >&2
}
return $result
}