llvmPackages: Add an update script

This is based on a combination of Gabor Greif's update script [0] and my
script to verify the hashes [1]. It's a bit hacky / unconventional but
it should be very useful and worked fine so far (but it might require
changes for some edge-cases).

[0]: https://github.com/NixOS/nixpkgs/issues/100725#issuecomment-710055349
[1]: https://github.com/NixOS/nixpkgs/issues/100725#issuecomment-781323979
This commit is contained in:
Michael Weiss 2021-04-01 12:28:08 +02:00
parent 886fc5a75d
commit 493131d70b
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@ -0,0 +1,44 @@
#!/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"
readonly SOURCES=(
"clang-unwrapped.src"
"compiler-rt.src"
"clang-unwrapped.clang-tools-extra_src"
"libcxx.src"
"libcxxabi.src"
"libunwind.src"
"lld.src"
"lldb.src"
"llvm.src"
"llvm.polly_src"
"openmp.src"
)
for SOURCE in "${SOURCES[@]}"; do
echo "Updating the hash of $SOURCE:"
declare ATTR="$ATTRSET.$SOURCE"
declare OLD_HASH="$(nix eval -f . $ATTR.outputHash)"
declare NEW_HASH="\"$(nix-prefetch-url -A $ATTR)\""
find "$DIR" -type f -exec sed -i "s/$OLD_HASH/$NEW_HASH/" {} +
done
echo OK