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Support building a particular commit of Nim rather than devel
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| #!/usr/bin/env bash | ||
| # | ||
| # Simple tool to setup a Nim environment | ||
| # Copyright (C) 2020 Leorize | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation, either version 3 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
|
|
||
| #---------------------------------------------------------- | ||
| # This has been modified from github.com/alaviss/setup-nim | ||
| # to build from a particular commit instead of the latest | ||
| # devel branch. Once alaviss/setup-nim supports building a | ||
| # particular commit, this can be removed in favor of using | ||
| # that. | ||
| #---------------------------------------------------------- | ||
| set -eu | ||
| set -o pipefail | ||
|
|
||
| _releases_url=https://github.com/nim-lang/nightlies/releases | ||
| _download_url=$_releases_url/download | ||
|
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||
| print-help() { | ||
| cat <<EOF | ||
| Usage: $0 [option] archive-prefix release-url | ||
| Downloads and install the latest Nim nightly from a release URL. | ||
| The compiler can then be found in the 'bin' folder relative to the output | ||
| directory. | ||
| This script is tailored for CI use, as such it's very barebones and make | ||
| assumptions about the system such as having a working C compiler. | ||
| Options: | ||
| -o dir Set the output directory to 'dir'. The compiler will be | ||
| extracted to this directory. Defaults to \$PWD/nim. | ||
| -h Print this help message. | ||
| EOF | ||
| } | ||
|
|
||
| get-archive-name() { | ||
| local ext=.tar.xz | ||
| local os; os=$(uname) | ||
| os=$(tr '[:upper:]' '[:lower:]' <<< "$os") | ||
| case "$os" in | ||
| 'darwin') | ||
| os=macosx | ||
| ;; | ||
| 'windows_nt'|mingw*) | ||
| os=windows | ||
| ext=.zip | ||
| ;; | ||
| esac | ||
|
|
||
| local arch; arch=$(uname -m) | ||
| case "$arch" in | ||
| aarch64) | ||
| arch=arm64 | ||
| ;; | ||
| armv7l) | ||
| arch=arm | ||
| ;; | ||
| i*86) | ||
| arch=x32 | ||
| ;; | ||
| x86_64) | ||
| arch=x64 | ||
| ;; | ||
| esac | ||
|
|
||
| echo "${os}_$arch$ext" | ||
| } | ||
|
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| has-release() { | ||
| local url=$1 | ||
| curl -f -I "$_releases_url/$url" >/dev/null 2>&1 | ||
| } | ||
|
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||
| msg() { | ||
| echo $'\e[1m\e[36m--\e[0m' "$@" | ||
| } | ||
|
|
||
| ok() { | ||
| echo $'\e[1m\e[32m--\e[0m' "$@" | ||
| } | ||
|
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| err() { | ||
| echo $'\e[1m\e[31mError:\e[0m' "$@" | ||
| } | ||
|
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||
| out=$PWD/nim | ||
| tag= | ||
| while getopts 'o:h' opt; do | ||
| case "$opt" in | ||
| 'o') | ||
| out=$OPTARG | ||
| ;; | ||
| 'h') | ||
| print-help | ||
| exit 0 | ||
| ;; | ||
| *) | ||
| print-help | ||
| exit 1 | ||
| ;; | ||
| esac | ||
| done | ||
| unset opt | ||
|
|
||
| shift $((OPTIND - 1)) | ||
| [[ $# -gt 0 ]] && prefix=$1 && tag=$2 | ||
| if [[ -z "$prefix" ]] || [[ -z "$tag" ]]; then | ||
| print-help | ||
| exit 1 | ||
| fi | ||
|
|
||
| mkdir -p "$out" | ||
| cd "$out" | ||
|
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||
| if has-release "$tag"; then | ||
| archive="$prefix-$(get-archive-name)" | ||
| url="$_download_url/$tag/$archive" | ||
| msg "Downloading prebuilt archive '$archive' for tag '$tag' from '$url'" | ||
| if ! curl -f -LO "$url"; then | ||
| err "Archive '$archive' could not be found and/or downloaded. Maybe your OS/architecture does not have any prebuilt available?" | ||
| exit 1 | ||
| fi | ||
| msg "Extracing '$archive'" | ||
| if [[ $archive == *.zip ]]; then | ||
| # Create a temporary directory | ||
| tmpdir=$(mktemp -d) | ||
| # extract archive to temporary dir | ||
| 7z x "$archive" "-o$tmpdir" | ||
| # collect the extracted file names | ||
| extracted=( "$tmpdir"/* ) | ||
| # use the first name collected, which should be the nim-<version> folder. | ||
| # This allows us to strip the first component of the path. | ||
| mv "${extracted[0]}/"* . | ||
| # remove the temporary dir afterwards | ||
| rm -rf "$tmpdir" | ||
| unset tmpdir | ||
| else | ||
| tar -xf "$archive" --strip-components 1 | ||
| fi | ||
| else | ||
| err "Could not find any release at '$tag'." | ||
| exit 1 | ||
| fi | ||
|
|
||
| ok "Installation to '$PWD' completed! The compiler and associated tools can be found at '$PWD/bin'" |
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