nixpkgs-update/up.sh
2018-03-29 06:39:34 -07:00

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#!/usr/bin/env bash
set -euxo pipefail
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
# shellcheck source=setup-nixpkgs.sh
source "$SCRIPT_DIR/setup-nixpkgs.sh"
NIX_PATH=nixpkgs="$NIXPKGS"
export NIX_PATH
PACKAGE_NAME=$1
OLD_VERSION=$2
NEW_VERSION=$3
if [ "$#" -eq 4 ]
then
OK_TO_PR_AT=$4
else
OK_TO_PR_AT="0"
fi
BRANCH_NAME="auto-update/$1"
function cleanup {
git reset --hard
git clean -fd
git checkout master
git reset --hard upstream/master
git branch -D "$BRANCH_NAME" || true
}
function error_exit {
cleanup
if ( true >&3 ) 2> /dev/null
then
echo "$(date -Iseconds) $1" >&3
else
echo "$(date -Iseconds) $1"
fi
exit 1
}
if ! [ "$(nix eval -f . "(builtins.compareVersions \"$NEW_VERSION\" \"$OLD_VERSION\")")" -eq 1 ];
then
error_exit "$NEW_VERSION is not newer than $OLD_VERSION according to Nix"
fi
# Package blacklist
case "$PACKAGE_NAME" in
*jquery*) error_exit "this isn't a real package";;
*google-cloud-sdk*) error_exit "complicated package";;
*github-release*) error_exit "complicated package";;
*fcitx*) error_exit "gets stuck in daemons";;
*libxc*) error_exit "currently people don't want to update this https://github.com/NixOS/nixpkgs/pull/35821";;
*perl*) error_exit "currently don't know how to update perl";;
*python*) error_exit "currently don't know how to update python";;
*cdrtools*) error_exit "We keep downgrading this by accident.";;
*gst*) error_exit "gstreamer plugins are kept in lockstep.";;
*electron*) error_exit "multi-platform srcs in file.";;
*linux-headers*) error_exit "Not updated until many packages depend on it (part of stdenv).";;
*mpich*) error_exit "Reported on repology.org as mischaracterized newest version";;
*xfce*) error_exit "@volth asked to not update xfce";;
*cmake-cursesUI-qt4UI*) error_exit "Derivation file is complicated";;
*) true;;
esac || error_exit "Package on blacklist."
git fetch --prune --multiple upstream origin
if git branch --remote | grep "origin/auto-update/${PACKAGE_NAME}"
then
error_exit "Update branch already on origin."
fi
git reset --hard
git clean -fd
git checkout master
git reset --hard upstream/master
git clean -fd
# This is extremely slow but will give us better results
ATTR_PATH=$(nix-env -qa "$PACKAGE_NAME-$OLD_VERSION" -f . --attr-path | head -n1 | cut -d' ' -f1) || error_exit "nix-env -q failed to find package name with old version"
# Temporarily blacklist gnome sources for lockstep update
if nix eval -f . "pkgs.${ATTR_PATH}.src.urls" | grep "gnome"
then
error_exit "Packages from gnome are currently blacklisted."
fi
# Temporarily blacklist lua packages at @teto's request
# https://github.com/NixOS/nixpkgs/pull/37501#issuecomment-375169646
if echo "$ATTR_PATH" | grep "^lua"
then
error_exit "Packages for lua are currently blacklisted."
fi
DERIVATION_FILE=$(EDITOR="echo" nix edit "$ATTR_PATH" -f .) || error_exit "Couldn't find derivation file."
function error_cleanup {
cleanup
exit 1
}
trap error_cleanup ERR
function interrupt_cleanup {
cleanup
exit 2
}
trap interrupt_cleanup INT
(( $(grep -c "fetchurl {" "$DERIVATION_FILE") + $(grep -c "fetchgit {" "$DERIVATION_FILE") + $(grep -c "fetchFromGitHub {" "$DERIVATION_FILE") <= 1 )) || error_exit "More than one fetcher in $DERIVATION_FILE"
if grep -q "DO NOT EDIT" "$DERIVATION_FILE"
then
error_exit "Derivation file says not to edit it."
fi
# Skip packages that have special builders
if grep -q "buildGoPackage" "$DERIVATION_FILE"
then
error_exit "Derivation contains buildGoPackage."
fi
if grep -q "buildRustCrate" "$DERIVATION_FILE"
then
error_exit "Derivation contains buildRustCrate."
fi
if grep -q "buildPythonPackage" "$DERIVATION_FILE"
then
error_exit "Derivation contains buildPythonPackage."
fi
if grep -q "buildRubyGem" "$DERIVATION_FILE"
then
error_exit "Derivation contains buildRubyGem."
fi
if grep -q "bundlerEnv" "$DERIVATION_FILE"
then
error_exit "Derivation contains bundlerEnv."
fi
if grep -q "buildPerlPackage" "$DERIVATION_FILE"
then
error_exit "Derivation contains buildPerlPackage."
fi
"$SCRIPT_DIR"/check-attrpath-version.sh "$ATTR_PATH" "$NEW_VERSION" || error_exit "Version in attr path $ATTR_PATH not compatible with $NEW_VERSION"
# Make sure it hasn't been updated on master
grep "$OLD_VERSION" "$DERIVATION_FILE" || error_exit "Old version not present in master derivation file."
# Make sure it hasn't been updated on staging
git reset --hard
git clean -fd
git checkout staging
git reset --hard upstream/staging
git clean -fd
grep "$OLD_VERSION" "$DERIVATION_FILE" || error_exit "Old version not present in staging derivation file."
git checkout "$(git merge-base upstream/master upstream/staging)"
git checkout -B "$BRANCH_NAME"
OLD_HASH=$(nix eval -f . --raw "pkgs.$ATTR_PATH.src.drvAttrs.outputHash" || error_exit "Couldn't find old output hash at ATTR_PATH.src.drvAttrs.outputHash.")
OLD_SRC_URL=$(nix eval -f . --raw '(let pkgs = import ./. {}; in builtins.elemAt pkgs.'"$ATTR_PATH"'.src.drvAttrs.urls 0)')
sed -i "s/${OLD_VERSION//\./\\.}/$NEW_VERSION/g" "$DERIVATION_FILE" || error_exit "Could not replace OLD_VERSION with NEW_VERSION."
NEW_SRC_URL=$(nix eval -f . --raw '(let pkgs = import ./. {}; in builtins.elemAt pkgs.'"$ATTR_PATH"'.src.drvAttrs.urls 0)')
if [ "$OLD_SRC_URL" == "$NEW_SRC_URL" ]
then
error_exit "Source url did not change."
fi
NEW_HASH=$(
nix-prefetch-url -A "$ATTR_PATH.src" || \
"$SCRIPT_DIR"/fix-src-url.sh "$PACKAGE_NAME" "$OLD_VERSION" "$NEW_VERSION" "$DERIVATION_FILE" "$ATTR_PATH" "$OLD_SRC_URL" || \
error_exit "Could not prefetch new version URL.")
if [ "$OLD_HASH" = "$NEW_HASH" ]
then
error_exit "Hashes equal; no update necessary"
fi
sed -i "s/$OLD_HASH/$NEW_HASH/g" "$DERIVATION_FILE" || error_exit "Could not replace OLD_HASH with NEW_HASH."
rm -f result*
nix build -f . "$ATTR_PATH" || error_exit "nix build failed.
$(nix log -f . "$ATTR_PATH" | tail -n 30)"
RESULT=$(readlink ./result || readlink ./result-bin || error_exit "Couldn't find result link.")
CHECK_RESULT="$("$SCRIPT_DIR"/check-result.sh "$RESULT" "$NEW_VERSION")"
MAINTAINERS=
if nix eval "(let pkgs = import ./. {}; in pkgs.$ATTR_PATH.meta.maintainers)" > /dev/null 2>&1
then
maintainers=$(nix eval --raw '(let pkgs = import ./. {}; gh = m : m.github or ""; nonempty = s: s != ""; addat = s: "@"+s; in builtins.concatStringsSep " " (map addat (builtins.filter nonempty (map gh pkgs.'"${ATTR_PATH}"'.meta.maintainers))))')
if [ -n "$maintainers" ]
then
MAINTAINERS="
cc $maintainers for review"
fi
fi
git diff
COMMIT_MESSAGE="$ATTR_PATH: $OLD_VERSION -> $NEW_VERSION
Semi-automatic update generated by https://github.com/ryantm/nix-update tools.
This update was made based on information from https://repology.org/metapackage/$PACKAGE_NAME/versions.
These checks were done:
- built on NixOS
$CHECK_RESULT"
git commit -am "$COMMIT_MESSAGE"
# Try to push it three times
function push() {
if [[ -v DRY_RUN ]]
then
return 0
else
git push --set-upstream origin "$BRANCH_NAME" --force
fi
}
push || push || push
BROKEN_WARNING=
if [ "$(nix eval -f . '(let pkgs = import ./. {}; in pkgs.'"${ATTR_PATH}"'.meta.broken or false)')" == "true" ]
then
BROKEN_WARNING="- WARNING: Package has meta.broken=true; Please manually test this package update and remove the broken attribute."
fi
PR_MESSAGE="$COMMIT_MESSAGE$BROKEN_WARNING$MAINTAINERS"
if [[ -v DRY_RUN ]]
then
true
else
CURRENT=$(date +%s)
if (( CURRENT < OK_TO_PR_AT ))
then
SLEEP_SECONDS=$(( OK_TO_PR_AT - CURRENT ))
echo "Sleeping $SLEEP_SECONDS seconds."
sleep "$SLEEP_SECONDS"
fi
hub pull-request -m "$PR_MESSAGE"
fi
git reset --hard
git clean -fd
git checkout master
git reset --hard
git clean -fd
exit 0