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

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#!/usr/bin/env bash
# Stop on any failures, including in pipes
set -e
set -o pipefail
if [[ -z "${IN_NIX_SHELL}" ]]; then
echo "Remember to call 'make shell'!"
exit 1
fi
# This script takes care of generating/updating the maven-sources.nix file
# representing the offline Maven repo containing the dependencies
# required to build the project
GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)
THIS_SCRIPT=$(realpath --relative-to="${GIT_ROOT}" ${BASH_SOURCE})
CUR_DIR=$(cd "${BASH_SOURCE%/*}" && pwd)
source "${GIT_ROOT}/scripts/colors.sh"
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})
${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() {
cat ${DEPS_LIST} | go-maven-resolver | 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 ${DEPS_URLS})
parallel --will-cite --keep-order \
"${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: ${1}"; exit 1
fi
# Run each stage in order
gen_proj_list
gen_deps_list
gen_deps_urls
gen_deps_json
REL_DEPS_JSON=$(realpath --relative-to=${PWD} ${DEPS_JSON})
echo -e "${CLR}Generated Nix deps file: ${REL_DEPS_JSON#../}"
echo -e "${GRN}Done${RST}"