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#!/usr/bin/env bash
# for mod in $(nix eval --raw '(
# with import <nixpkgs> { };
# with lib;
# let mods = attrNames (removeAttrs openraPackages.mods [ "recurseForDerivations" ]);
# in concatStringsSep " " mods
# )'); do
# ./mod-update.sh "$mod"
# done
# Uses:
# https://github.com/msteen/nix-prefetch
# https://github.com/msteen/nix-update-fetch
mod=$1
commit_count=$2
token=
nixpkgs='<nixpkgs>'
die() {
ret=$?
echo "$*" >&2
exit $ret
}
curl() {
command curl --silent --show-error "$@"
}
get_sha1() {
local owner=$1 repo=$2 ref=$3
# https://developer.github.com/v3/#authentication
curl -H "Authorization: token $token" -H 'Accept: application/vnd.github.VERSION.sha' "https://api.github.com/repos/$owner/$repo/commits/$ref"
}
[[ -n $token ]] || die "Please edit this script to include a GitHub API access token, which is required for API v4:
https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/"
# Get current mod_owner and mod_repo.
vars=$(nix-prefetch --file "$nixpkgs" "openraPackages.mods.$mod" --index 0 --quiet --output json --skip-hash > >(
jq --raw-output 'with_entries(select(.value | contains("\n") | not)) | to_entries | .[] | .key + "=" + .value')) || exit
while IFS='=' read -r key val; do
declare "mod_${key}=${val}"
done <<< "$vars"
if [[ -n $commit_count ]]; then
query_on_commit='{
history(first: 10) {
nodes {
abbreviatedOid
oid
}
totalCount
}
}'
else
query_on_commit='{
history(first: 0) {
totalCount
}
abbreviatedOid
oid
}'
fi
query='query {
repository(owner: \"'"$mod_owner"'\", name: \"'"$mod_repo"'\") {
defaultBranchRef {
target {
... on Commit '"$query_on_commit"'
}
}
licenseInfo {
key
}
}
}'
# Newlines are not allowed in a query.
# https://developer.github.com/v4/guides/forming-calls/#communicating-with-graphql
query=$(echo $query)
# https://developer.github.com/v4/guides/using-the-explorer/#configuring-graphiql
json=$(curl -H "Authorization: bearer $token" -X POST -d '{ "query": "'"$query"'" }' https://api.github.com/graphql) || exit
if [[ -n $commit_count ]]; then
json=$(jq "$commit_count"' as $commit_count
| .data.repository.defaultBranchRef.target
|= (.history |= (. | del(.nodes) | .totalCount = $commit_count))
+ (.history | .nodes[.totalCount - $commit_count])' <<< "$json") || exit
fi
vars=$(jq --raw-output '.data.repository | {
license_key: .licenseInfo.key,
} + (.defaultBranchRef.target | {
version: ((.history.totalCount | tostring) + ".git." + .abbreviatedOid),
rev: .oid,
}) | to_entries | .[] | .key + "=" + (.value | tostring)' <<< "$json") || exit
while IFS='=' read -r key val; do
declare "mod_${key}=${val}"
done <<< "$vars"
mod_config=$(curl "https://raw.githubusercontent.com/$mod_owner/$mod_repo/$mod_rev/mod.config") || exit
while IFS='=' read -r key val; do
declare "${key,,}=$(jq --raw-output . <<< "$val")"
done < <(grep '^\(MOD_ID\|ENGINE_VERSION\|AUTOMATIC_ENGINE_MANAGEMENT\|AUTOMATIC_ENGINE_SOURCE\)=' <<< "$mod_config")
for var in mod_id engine_version automatic_engine_management automatic_engine_source; do
echo "$var=${!var}" >&2
done
echo >&2
[[ $mod_id == "$mod" ]] ||
die "The mod '$mod' reports being mod '$mod_id' instead."
[[ $mod_license_key == gpl-3.0 ]] ||
[[ $(echo $(head -2 <(curl "https://raw.githubusercontent.com/$mod_owner/$mod_repo/$mod_rev/COPYING"))) == 'GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007' ]] ||
die "The mod '$mod' is licensed under '$mod_license_key' while expecting 'gpl-3.0'."
[[ $automatic_engine_management == True ]] ||
die "The mod '$mod' engine is not managed as a read-only dependency."
[[ $automatic_engine_source =~ https://github.com/([a-zA-Z0-9_\-]+)/([a-zA-Z0-9_\-]+)/archive/([a-zA-Z0-9_\-\$\{\}]+).zip ]] ||
die "The mod '$mod' engine is not hosted on GitHub as an archive."
engine_owner=${BASH_REMATCH[1]}
engine_repo=${BASH_REMATCH[2]}
[[ ${BASH_REMATCH[3]} == '${ENGINE_VERSION}' ]] || engine_version=${BASH_REMATCH[3]}
engine_rev=$(get_sha1 "$engine_owner" "$engine_repo" "$engine_version")
for type in mod engine; do
for name in version owner repo rev; do
var="${type}_${name}"
echo "$var=${!var}" >&2
done
echo >&2
done
i=0
for type in mod engine; do
fetcher_args=()
for name in owner repo rev; do
var="${type}_${name}"
fetcher_args+=( "--$name" "${!var}" )
done
var="${type}_version"
version=${!var}
nix-update-fetch --yes --version "$version" "$(nix-prefetch --quiet --file "$nixpkgs" "openraPackages.mods.$mod" --index $i --output json --with-position --diff -- "${fetcher_args[@]}")"
(( i++ ))
done
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