nixpkgs/pkgs/development/compilers/rust/print-hashes.sh

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#!/usr/bin/env bash
set -euo pipefail
# All rust-related downloads can be found at
# https://static.rust-lang.org/dist/index.html. To find the date on
# which a particular thing was last updated, look for the *-date.txt
# file, e.g.
# https://static.rust-lang.org/dist/channel-rust-beta-date.txt
PLATFORMS=(
i686-unknown-linux-gnu
x86_64-unknown-linux-gnu
arm-unknown-linux-gnueabihf
2018-01-16 12:17:40 +00:00
armv7-unknown-linux-gnueabihf
2017-12-02 12:46:33 +00:00
aarch64-unknown-linux-gnu
i686-apple-darwin
x86_64-apple-darwin
)
BASEURL=https://static.rust-lang.org/dist
VERSION=${1:-}
DATE=${2:-}
if [[ -z $VERSION ]]
then
echo "No version supplied"
exit -1
fi
if [[ -n $DATE ]]
then
BASEURL=$BASEURL/$DATE
fi
for PLATFORM in "${PLATFORMS[@]}"
do
URL="$BASEURL/rust-$VERSION-$PLATFORM.tar.gz.sha256"
SHA256=$(curl -sSfL $URL | cut -d ' ' -f 1)
echo "$PLATFORM = \"$SHA256\";"
done