dgiot/scripts/ensure-rebar3.sh
U-JOHNLIU\jonhl baedb0180f fix: make ci
2022-01-07 19:45:54 +08:00

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#!/usr/bin/env bash
set -euo pipefail
VERSION="$1"
# ensure dir
cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")/.."
DOWNLOAD_URL='https://dgiot-dev-1306147891.cos.ap-nanjing.myqcloud.com'
download() {
wget ${DOWNLOAD_URL}/${VERSION}/rebar3
}
# get the version number from the second line of the escript
# because command `rebar3 -v` tries to load rebar.config
# which is slow and may print some logs
version() {
head -n 2 ./rebar3 | tail -n 1 | tr ' ' '\n' | grep -E '^.+-emqx-.+'
}
if [ -f 'rebar3' ] && [ "$(version)" = "$VERSION" ]; then
exit 0
fi
download
chmod +x ./rebar3