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nixpkgs/pkgs/development/compilers/llvm/update.sh
2025-09-14 19:03:24 +01:00

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#!/usr/bin/env bash
set -eu
# Example usage: ./pkgs/development/compilers/llvm/update.sh 12.0.0-rc4
readonly VERSION="$1"
readonly VERSION_MAJOR="${VERSION%%.*}"
readonly VERSION_MAIN="${VERSION%%-*}"
declare VERSION_PATCH="${VERSION/$VERSION_MAIN/}"
readonly VERSION_PATCH="${VERSION_PATCH/-/}"
readonly DIR="pkgs/development/compilers/llvm/$VERSION_MAJOR"
readonly FILE="$DIR/default.nix"
sed -Ei \
-e "s/release_version = \".+\";/release_version = \"$VERSION_MAIN\";/" \
-e "s/candidate = \".*\";/candidate = \"$VERSION_PATCH\";/" \
"$FILE"
readonly ATTRSET="llvmPackages_$VERSION_MAJOR"
echo "Updating the hash of llvm.monorepoSrc:"
declare ATTR="$ATTRSET.llvm.monorepoSrc"
declare OLD_HASH="$(nix --extra-experimental-features nix-command eval -f . $ATTR.outputHash)"
declare NEW_HASH="\"$(nix-prefetch-url -A $ATTR)\""
find "$DIR" -type f -exec sed -i "s/$OLD_HASH/$NEW_HASH/" {} +
echo OK