nixpkgs-suyu/pkgs/development/tools/build-managers/gradle/update.sh
2021-11-02 09:43:24 +01:00

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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p nix-prefetch curl jq
# Generates Gradle release specs from GitHub Releases.
#
# As of 2021-11, this script has very poor error handling,
# it is expected to be run by maintainers as one-off job
# only.
#
# NOTE: The earliest Gradle release that has a
# corresponding entry as GitHub Release is 6.8-rc-1.
for v in $(curl -s "https://api.github.com/repos/gradle/gradle/releases" | jq -r '.[].tag_name' | sort -n -r)
do
# Tag names and download filenames are not the same,
# we modify the tag name slightly to translate it
# to the naming scheme of download filenames.
# This translation assumes a tag naming scheme.
# As of 2021-11 it works from 6.8-rc-1 to 7.3-rc-3.
# Remove first letter (assumed to be "v").
v=${v:1}
# To lower case.
v=${v,,}
# Add dash after "rc".
v=${v/-rc/-rc-}
# Remove trailing ".0"
v=${v%.0}
# Remove trailing ".0" for release candidates.
v=${v/.0-rc/-rc}
f="gradle-${v}-spec.nix"
if [ -f "$f" ]
then
echo "$v SKIP"
continue
fi
url="https://services.gradle.org/distributions/gradle-${v}-bin.zip"
read -d "\n" gradle_hash gradle_path < <(nix-prefetch-url --print-path $url)
# Prefix and suffix for "native-platform" dependency.
gradle_native_prefix="gradle-$v/lib/native-native-"
gradle_native_suffix=".jar"
gradle_native=$(zipinfo -1 "$gradle_path" "$gradle_native_prefix*$gradle_native_suffix" | head -n1)
gradle_native=${gradle_native#"$gradle_native_prefix"}
gradle_native=${gradle_native%"$gradle_native_suffix"}
echo -e "{\\n version = \"$v\";\\n nativeVersion = \"$gradle_native\";\\n sha256 = \"$gradle_hash\";\\n}" > $f
echo "$v DONE"
done