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