status-react/nix/deps/gradle/generate.sh

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#!/usr/bin/env bash
# This script takes care of generating/updating the maven-sources.nix file
# representing the offline Maven repo containing the dependencies
# required to build the project
set -Eeo pipefail
if [[ -z "${IN_NIX_SHELL}" ]]; then
echo "Remember to call 'make shell'!"
exit 1
fi
GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)
source "${GIT_ROOT}/scripts/colors.sh"
CUR_DIR=$(cd "${BASH_SOURCE%/*}" && pwd)
PROJ_LIST="${CUR_DIR}/proj.list"
DEPS_LIST="${CUR_DIR}/deps.list"
DEPS_URLS="${CUR_DIR}/deps.urls"
DEPS_JSON="${CUR_DIR}/deps.json"
# Raise limit of file descriptors
ulimit -n 16384
# Generate list of Gradle sub-projects.
function gen_proj_list() {
"${CUR_DIR}/get_projects.sh" | sort -u -o "${PROJ_LIST}"
echo -e "Found ${GRN}$(wc -l < "${PROJ_LIST}")${RST} sub-projects..."
}
# Check each sub-project in parallel, the ":" is for local deps.
function gen_deps_list() {
PROJECTS=$(cat "${PROJ_LIST}")
# WARNING: The ${PROJECTS[@]} needs to remain unquoted to expand correctly.
# shellcheck disable=SC2068
"${CUR_DIR}/get_deps.sh" ":" ${PROJECTS[@]} | sort -uV -o "${DEPS_LIST}"
echo -e "${CLR}Found ${GRN}$(wc -l < "${DEPS_LIST}")${RST} direct dependencies..."
}
# Find download URLs for each dependency.
function gen_deps_urls() {
go-maven-resolver < "${DEPS_LIST}" | sort -uV -o "${DEPS_URLS}"
echo -e "${CLR}Found ${GRN}$(wc -l < "${DEPS_URLS}")${RST} dependency URLs..."
}
# Generate the JSON that Nix will consume.
function gen_deps_json() {
# Open the Nix attribute set.
echo -n "[" > "${DEPS_JSON}"
# Format URLs into a Nix consumable file.
URLS=$(cat "${DEPS_URLS}")
# Avoid rate limiting by using 4 of the available threads.
parallel --will-cite --keep-order --jobs 4 \
"${CUR_DIR}/url2json.sh" \
::: "${URLS}" \
>> "${DEPS_JSON}"
# Drop tailing comma on last object, stupid JSON
sed -i '$ s/},/}/' "${DEPS_JSON}"
# Close the Nix attribute set
echo "]" >> "${DEPS_JSON}"
}
# ------------------------------------------------------------------------------
echo "Regenerating Nix files..."
# Gradle needs to be run in 'android' subfolder
cd "${GIT_ROOT}/android"
# Stop gradle daemons to avoid locking
./gradlew --stop >/dev/null
# A way to run a specific stage of generation
if [[ -n "${1}" ]] && type "${1}" > /dev/null; then
${1}; exit 0
elif [[ -n "${1}" ]]; then
echo "No such function: ${1}"; exit 1
fi
# Run each stage in order
gen_proj_list
gen_deps_list
# FIXME: Temporary fix for missing package.
echo 'org.jetbrains.kotlin.jvm:org.jetbrains.kotlin.jvm.gradle.plugin:1.6.10' >> "${DEPS_LIST}"
echo 'com.android.tools.lint:lint-gradle:30.2.2' >> "${DEPS_LIST}"
echo 'com.android.tools.build:gradle:7.0.4' >> "${DEPS_LIST}"
gen_deps_urls
gen_deps_json
REL_DEPS_JSON=$(realpath --relative-to="${PWD}" "${DEPS_JSON}")
echo -e "${CLR}Generated Nix deps file: ${REL_DEPS_JSON#../}"
echo -e "${GRN}Done${RST}"