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