3 changed files with 74 additions and 67 deletions
@ -0,0 +1,69 @@ |
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#!/usr/bin/env bash |
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RED='\033[0;31m' |
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BLUE='\033[0;34m' |
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YELLOW='\033[0;33m' |
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NC='\033[0m' # No Color |
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function info { |
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printf "\r💬 ${BLUE}INFO:${NC} ${1}\n" |
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} |
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function fail { |
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printf "\r🗯 ${RED}ERROR:${NC} ${1}\n" |
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exit 1 |
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} |
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function warn { |
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printf "\r⚠️ ${YELLOW}WARNING:${NC} ${1}\n" |
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} |
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# based on https://superuser.com/questions/497940/script-to-verify-a-signature-with-gpg |
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function verify_signature() { |
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local file=$1 keyring=$2 out= |
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if out=$(gpg --no-default-keyring --keyring "$keyring" --status-fd 1 --verify "$file" 2>/dev/null) && |
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echo "$out" | grep -qs "^\[GNUPG:\] VALIDSIG "; then |
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return 0 |
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else |
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echo "$out" >&2 |
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exit 1 |
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fi |
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} |
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|
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function verify_hash() { |
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local file=$1 expected_hash=$2 |
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actual_hash=$(sha256sum $file | awk '{print $1}') |
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if [ "$actual_hash" == "$expected_hash" ]; then |
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return 0 |
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else |
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echo "$file $actual_hash (unexpected hash)" >&2 |
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rm "$file" |
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exit 1 |
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fi |
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} |
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|
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function download_if_not_exist() { |
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local file_name=$1 url=$2 |
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if [ ! -e $file_name ] ; then |
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wget -O $file_name "$url" |
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fi |
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} |
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# https://github.com/travis-ci/travis-build/blob/master/lib/travis/build/templates/header.sh |
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function retry() { |
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local result=0 |
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local count=1 |
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while [ $count -le 3 ]; do |
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[ $result -ne 0 ] && { |
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echo -e "\nThe command \"$@\" failed. Retrying, $count of 3.\n" >&2 |
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} |
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! { "$@"; result=$?; } |
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[ $result -eq 0 ] && break |
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count=$(($count + 1)) |
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sleep 1 |
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done |
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[ $count -gt 3 ] && { |
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echo -e "\nThe command \"$@\" failed 3 times.\n" >&2 |
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} |
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return $result |
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} |
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