mirror of
https://github.com/LBRYFoundation/LBRY-Vault.git
synced 2025-08-23 17:47:31 +00:00
69 lines
1.6 KiB
Bash
Executable file
69 lines
1.6 KiB
Bash
Executable file
#!/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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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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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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