diff --git a/pkgs/common-updater/scripts.nix b/pkgs/common-updater/scripts.nix new file mode 100644 index 00000000000..cb7f23f7480 --- /dev/null +++ b/pkgs/common-updater/scripts.nix @@ -0,0 +1,18 @@ +{ stdenv, makeWrapper, coreutils, gawk, gnused, nix }: + +stdenv.mkDerivation { + name = "common-updater-scripts"; + + buildInputs = [ makeWrapper ]; + + unpackPhase = "true"; + + installPhase = '' + mkdir -p $out/bin + cp ${./scripts}/* $out/bin + + for f in $out/bin/*; do + wrapProgram $f --prefix PATH : ${stdenv.lib.makeBinPath [ coreutils gawk gnused nix ]} + done + ''; +} diff --git a/pkgs/common-updater/scripts/update-source-version b/pkgs/common-updater/scripts/update-source-version new file mode 100755 index 00000000000..13f8adf5677 --- /dev/null +++ b/pkgs/common-updater/scripts/update-source-version @@ -0,0 +1,91 @@ +#!/usr/bin/env bash +set -e + +die() { + echo "$0: error: $1" >&2 + exit 1 +} + +# Usage: update-source-hash [] +attr=$1 +newVersion=$2 +newHash=$3 + +nixFile=$(nix-instantiate --eval --strict -A "$attr.meta.position" | sed -re 's/^"(.*):[0-9]+"$/\1/') +if [ ! -f "$nixFile" ]; then + die "Couldn't evaluate '$attr.meta.position' to locate the .nix file!" +fi + +oldHashAlgo=$(nix-instantiate --eval --strict -A "$attr.src.drvAttrs.outputHashAlgo" | tr -d '"') +oldHash=$(nix-instantiate --eval --strict -A "$attr.src.drvAttrs.outputHash" | tr -d '"') + +if [ -z "$oldHashAlgo" -o -z "$oldHash" ]; then + die "Couldn't evaluate old source hash from '$attr.src'!" +fi + +if [ $(grep -c "$oldHash" "$nixFile") != 1 ]; then + die "Couldn't locate old source hash '$oldHash' (or it appeared more than once) in '$nixFile'!" +fi + +drvName=$(nix-instantiate --eval -E "with import ./. {}; (builtins.parseDrvName $attr.name).name" | tr -d '"') +oldVersion=$(nix-instantiate --eval -E "with import ./. {}; $attr.version or (builtins.parseDrvName $attr.name).version" | tr -d '"') + +if [ -z "$drvName" -o -z "$oldVersion" ]; then + die "Couldn't evaluate name and version from '$attr.name'!" +fi + +if [ "$oldVersion" = "$newVersion" ]; then + echo "$0: New version same as old version, nothing to do." >&2 + exit 0 +fi + +# Escape dots, there should not be any other regex characters allowed in store path names +oldVersion=$(echo "$oldVersion" | sed -re 's|\.|\\.|g') + +if [ $(grep -c -E "^\s*(let\b)?\s*version\s+=\s+\"$oldVersion\"" "$nixFile") = 1 ]; then + pattern="/\bversion\b\s*=/ s|\"$oldVersion\"|\"$newVersion\"|" +elif [ $(grep -c -E "^\s*(let\b)?\s*name\s+=\s+\"$drvName-$oldVersion\"" "$nixFile") = 1 ]; then + pattern="/\bname\b\s*=/ s|\"$drvName-$oldVersion\"|\"$drvName-$newVersion\"|" +else + die "Couldn't figure out where out where to patch in new version in '$attr'!" +fi + +# Replace new version +sed -i.bak "$nixFile" -re "$pattern" +if cmp -s "$nixFile" "$nixFile.bak"; then + die "Failed to replace version '$oldVersion' to '$newVersion' in '$attr'!" +fi + +case "$oldHashAlgo" in + sha256) hashLength=64 ;; + sha512) hashLength=128 ;; + *) die "Unhandled hash algorithm '$oldHashAlgo' in '$attr'!" ;; +esac + +# Make a temporary all-zeroes hash of $hashLength characters +tempHash=$(printf '%0*d' "$hashLength" 0) + +sed -i "$nixFile" -re "s|\"$oldHash\"|\"$tempHash\"|" +if cmp -s "$nixFile" "$nixFile.bak"; then + die "Failed to replace source hash of '$attr' to a temporary hash!" +fi + +# If new hash not given on the command line, recalculate it ourselves. +if [ -z "$newHash" ]; then + nix-build --no-out-link -A "$attr.src" 2>"$attr.fetchlog" >/dev/null || true + # FIXME: use nix-build --hash here once https://github.com/NixOS/nix/issues/1172 is fixed + newHash=$(tail -n2 "$attr.fetchlog" | grep "output path .* has .* hash .* when .* was expected" | head -n1 | tr -dc '\040-\177' | awk '{ print $(NF-4) }') +fi + +if [ -z "$newHash" ]; then + cat "$attr.fetchlog" >&2 + die "Couldn't figure out new hash of '$attr.src'!" +fi + +sed -i "$nixFile" -re "s|\"$tempHash\"|\"$newHash\"|" +if cmp -s "$nixFile" "$nixFile.bak"; then + die "Failed to replace temporary source hash of '$attr' to the final source hash!" +fi + +rm -f "$nixFile.bak" +rm -f "$attr.fetchlog" diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix index 1385be2c99f..30452e7fa6f 100644 --- a/pkgs/top-level/all-packages.nix +++ b/pkgs/top-level/all-packages.nix @@ -65,6 +65,7 @@ with pkgs; nixpkgs-lint = callPackage ../../maintainers/scripts/nixpkgs-lint.nix { }; + common-updater-scripts = callPackage ../common-updater/scripts.nix { }; ### BUILD SUPPORT