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#!/usr/bin/env bash
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
set -euo pipefail
set -x
unset NIX_PATH
# build up commit msg
defaultcommitmsg="auto-updates:"
commitmsg="${defaultcommitmsg}";
# keep track of what we build for the README
pkgentries=(); nixpkgentries=();
cache="nixpkgs-wayland";
build_attr="${1:-"waylandPkgs"}"
function update() {
set +x
typ="${1}"
pkg="${2}"
echo "============================================================================"
echo "${pkg}: checking"
metadata="${pkg}/metadata.nix"
pkgname="$(basename "${pkg}")"
# TODO: nix2json, update in parallel
# TODO: aka, not in bash
branch="$(nix-instantiate "${metadata}" --eval --json -A branch 2>/dev/null | jq -r .)"
rev="$(nix-instantiate "${metadata}" --eval --json -A rev 2>/dev/null | jq -r .)"
date="$(nix-instantiate "${metadata}" --eval --json -A revdate 2>/dev/null | jq -r .)"
sha256="$(nix-instantiate "${metadata}" --eval --json -A sha256 2>/dev/null | jq -r .)"
upattr="$(nix-instantiate "${metadata}" --eval --json -A upattr 2>/dev/null | jq -r . || echo "${pkgname}")"
url="$(nix-instantiate "${metadata}" --eval --json -A url 2>/dev/null | jq -r . || echo "missing_url")"
cargoSha256="$(nix-instantiate "${metadata}" --eval --json -A cargoSha256 2>/dev/null | jq -r . || echo "missing_cargoSha256")"
vendorSha256="$(nix-instantiate "${metadata}" --eval --json -A vendorSha256 2>/dev/null | jq -r . || echo "missing_vendorSha256")"
skip="$(nix-instantiate "${metadata}" --eval --json -A skip 2>/dev/null | jq -r . || echo "false")"
newdate="${date}"
if [[ "${skip}" != "true" ]]; then
# Determine RepoTyp (git/hg)
if nix-instantiate "${metadata}" --eval --json -A repo_git &>/dev/null; then repotyp="git";
elif nix-instantiate "${metadata}" --eval --json -A repo_hg &>/dev/null; then repotyp="hg";
else echo "unknown repo_typ" && exit 1;
fi
# Update Rev
if [[ "${repotyp}" == "git" ]]; then
repo="$(nix-instantiate "${metadata}" --eval --json -A repo_git | jq -r .)"
newrev="$(git ls-remote "${repo}" "${branch}" | awk '{ print $1}')"
elif [[ "${repotyp}" == "hg" ]]; then
repo="$(nix-instantiate "${metadata}" --eval --json -A repo_hg | jq -r .)"
newrev="$(hg identify "${repo}" -r "${branch}")"
fi
if [[ "${rev}" != "${newrev}" ]]; then
commitmsg="${commitmsg} ${pkgname},"
echo "${pkg}: ${rev} => ${newrev}"
set -x
# Update RevDate
d="$(mktemp -d)"
if [[ "${repotyp}" == "git" ]]; then
git clone -b "${branch}" --single-branch --depth=1 "${repo}" "${d}" &>/dev/null
newdate="$(cd "${d}"; TZ=UTC git show --quiet --date='format-local:%Y-%m-%d %H:%M:%SZ' --format="%cd")"
elif [[ "${repotyp}" == "hg" ]]; then
hg clone "${repo}#${branch}" "${d}"
newdate="$(cd "${d}"; TZ=UTC hg log -l1 --template "{date(date, '%Y-%m-%d %H:%M:%S')}\n")" &>/dev/null
fi
rm -rf "${d}"
# Update Sha256
if [[ "${typ}" == "pkgs" ]]; then
newsha256="$(NIX_PATH="nixpkgs=https://github.com/nixos/nixpkgs/archive/nixos-unstable.tar.gz" \
nix-prefetch --output raw \
-E "(import ./packages.nix).${upattr}" \
--rev "${newrev}")"
elif [[ "${typ}" == "nixpkgs" ]]; then
newsha256="$(NIX_PATH="${tmpnixpath}" nix-prefetch-url --unpack "${url}" 2>/dev/null)"
fi
# TODO: do this with nix instead of sed?
sed -i "s/${rev}/${newrev}/" "${metadata}"
sed -i "s|${date}|${newdate}|" "${metadata}"
sed -i "s|${sha256}|${newsha256}|" "${metadata}"
# CargoSha256 has to happen AFTER the other rev/sha256 bump
if [[ "${cargoSha256}" != "missing_cargoSha256" ]]; then
newcargoSha256="$(NIX_PATH="nixpkgs=https://github.com/nixos/nixpkgs/archive/nixos-unstable.tar.gz" \
nix-prefetch \
"{ sha256 }: let p=(import ./packages.nix).${upattr}; in p.cargoDeps.overrideAttrs (_: { cargoSha256 = sha256; })")"
sed -i "s|${cargoSha256}|${newcargoSha256}|" "${metadata}"
fi
# VendorSha256 has to happen AFTER the other rev/sha256 bump
if [[ "${vendorSha256}" != "missing_vendorSha256" ]]; then
newvendorSha256="$(NIX_PATH="nixpkgs=https://github.com/nixos/nixpkgs/archive/nixos-unstable.tar.gz" \
nix-prefetch \
"{ sha256 }: let p=(import ./packages.nix).${upattr}; in p.go-modules.overrideAttrs (_: { vendorSha256 = sha256; })")"
sed -i "s|${vendorSha256}|${newvendorSha256}|" "${metadata}"
fi
set +x
fi
fi
if [[ "${skip}" == "true" ]]; then
newdate="${newdate} (pinned)"
fi
if [[ "${typ}" == "pkgs" ]]; then
desc="$(nix-instantiate --eval -E "(import ./packages.nix).${upattr}.meta.description" | jq -r .)"
home="$(nix-instantiate --eval -E "(import ./packages.nix).${upattr}.meta.homepage" | jq -r .)"
pkgentries=("${pkgentries[@]}" "| [${pkgname}](${home}) | ${newdate} | ${desc} |");
elif [[ "${typ}" == "nixpkgs" ]]; then
nixpkgentries=("${nixpkgentries[@]}" "| ${pkgname} | ${newdate} |");
fi
}
function update_readme() {
set +x
replace="$(printf "<!--pkgs-->")"
replace="$(printf "%s\n| Package | Last Updated (UTC) | Description |" "${replace}")"
replace="$(printf "%s\n| ------- | ------------------ | ----------- |" "${replace}")"
for p in "${pkgentries[@]}"; do
replace="$(printf "%s\n%s\n" "${replace}" "${p}")"
done
replace="$(printf "%s\n<!--pkgs-->" "${replace}")"
rg --multiline '(?s)(.*)<!--pkgs-->(.*)<!--pkgs-->(.*)' "README.md" \
--replace "\$1${replace}\$3" \
> README2.md; mv README2.md README.md
replace="$(printf "<!--nixpkgs-->")"
replace="$(printf "%s\n| Channel | Last Channel Commit Time |" "${replace}")"
replace="$(printf "%s\n| ------- | ------------------------ |" "${replace}")"
for p in "${nixpkgentries[@]}"; do
replace="$(printf "%s\n%s\n" "${replace}" "${p}")"
done
replace="$(printf "%s\n<!--nixpkgs-->" "${replace}")"
rg --multiline '(?s)(.*)<!--nixpkgs-->(.*)<!--nixpkgs-->(.*)' "README.md" \
--replace "\$1${replace}\$3" \
> README2.md; mv README2.md README.md
}
# update flake inputs
nix --experimental-features 'nix-command flakes' \
flake update \
--update-input master \
--update-input nixpkgs \
--update-input cachixpkgs \
--update-input flake-utils
# update our package sources/sha256s
for p in `ls -d -- pkgs/*/`; do
update "pkgs" "${p}"
done
update_readme
set -x
out="$(mktemp -d)"
nix-build-uncached \
--option "extra-binary-caches" "https://cache.nixos.org https://nixpkgs-wayland.cachix.org" \
--option "trusted-public-keys" "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nixpkgs-wayland.cachix.org-1:3lwxaILxMRkVhehr5StQprHdEo4IrE8sRho9R9HOLYA=" \
--option "build-cores" "0" \
--option "narinfo-cache-negative-ttl" "0" \
--out-link "${out}/result" packages.nix
results=(); shopt -s nullglob
ls "${out}"
for f in ${out}/result*; do
results=("${results[@]}" "${f}")
done
echo "${results[@]}" | cachix push "${cache}"
if [[ "${JOB_ID:-""}" != "" ]]; then
git status
git add -A .
git status
git diff-index --cached --quiet HEAD || git commit -m "${commitmsg}"
echo "we're building on sr.ht, pushing..."
git push origin HEAD
fi
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