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lokinet/lokinet-bootstrap

66 lines
1.6 KiB
Bash

#!/usr/bin/env bash
# this shell script will be replaced by a proper program in the future (probably)
#
# from https://stackoverflow.com/questions/5947742/how-to-change-the-output-color-of-echo-in-linux
RED='\033[0;31m'
GREEN='\033[0;32m'
NC='\033[0m' # No Color
set -e
helpme=
default_mainnet=https://seed.lokinet.org/lokinet.signed
default_testnet=https://seed.lokinet.org/testnet.signed
default_dest="$HOME/.lokinet/bootstrap.signed"
if [ "$#" -gt 2 ]; then
helpme=y
fi
if [ -z "$1" ] || [ "$1" == "mainnet" ] || [ "$1" == "lokinet" ]; then
url="${default_mainnet}"
elif [ "$1" == "testnet" ]; then
url="${default_testnet}"
elif [[ "$1" = -* ]]; then
helpme=y
else
url="$1"
fi
if [[ "$2" = -* ]]; then
helpme=y
elif [ -n "$2" ]; then
dest="$2"
else
dest="$default_dest"
fi
if [ -n "$helpme" ]; then
echo "Usage: $0 [URL [DEST]] -- download bootstrap file from URL (default: lokinet) and save to DEST (default: $default_dest)."
echo "URL can be a full URL, or else 'lokinet' or 'testnet' to use the default lokinet/testnet seed URL. 'mainnet' can be used"
echo "as an alias for 'lokinet'."
exit 1
fi
destdir="$(dirname $dest)"
if [ ! -d "$destdir" ]; then
mkdir "$destdir"
fi
echo "downloading $url"
# use temp file to not overrwrite existing bootstrap file on fail
#tmp=mktemp
tmp=/tmp/bootstrap.tmp
# MacOS does not have wget without homebrew but does have curl
# Rick also had indicated most BSDs have curl too
if curl -fsSL "$url" >"$tmp"; then
mv "$tmp" "$dest"
echo -e "${GREEN}lokinet successfully bootstrapped${NC}"
else
echo -e "${RED}failed to download bootstrap from $url${NC}"
rm -f "$tmp"
exit 1
fi