0886e6281a
This version supports REBAR3_GIT_CACHE_DIR option to make use of local repos as clone reference to reduced the number of clones
48 lines
1.1 KiB
Bash
Executable File
48 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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## rebar3 tag 3.19.0-emqx-1 is compiled using latest official OTP-24 image.
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## we have to use an otp24-compiled rebar3 because the defination of record #application{}
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## in systools.hrl is changed in otp24.
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OTP_VSN="${OTP_VSN:-$(./scripts/get-otp-vsn.sh)}"
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case ${OTP_VSN} in
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23*)
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VERSION="3.16.1-emqx-1"
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;;
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24*)
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VERSION="3.18.0-emqx-1"
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;;
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25*)
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VERSION="3.19.0-emqx-8"
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;;
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*)
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echo "Unsupporetd Erlang/OTP version $OTP_VSN"
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exit 1
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;;
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esac
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# ensure dir
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cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")/.."
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DOWNLOAD_URL='https://github.com/emqx/rebar3/releases/download'
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download() {
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echo "downloading rebar3 ${VERSION}"
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curl -f -L "${DOWNLOAD_URL}/${VERSION}/rebar3" -o ./rebar3
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}
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# get the version number from the second line of the escript
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# because command `rebar3 -v` tries to load rebar.config
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# which is slow and may print some logs
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version() {
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head -n 2 ./rebar3 | tail -n 1 | tr ' ' '\n' | grep -E '^.+-emqx-.+'
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}
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if [ -f 'rebar3' ] && [ "$(version)" = "$VERSION" ]; then
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exit 0
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fi
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download
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chmod +x ./rebar3
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