94 lines
2.7 KiB
Bash
Executable File
94 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)
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source "${GIT_ROOT}/scripts/colors.sh"
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if [[ -z "${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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CLASSPATH_FILE="${GIT_ROOT}/nix/deps/clojure/deps.list"
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JSON_DEPS_FILE="${GIT_ROOT}/nix/deps/clojure/deps.json"
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MAVEN_CACHE_PATH="${HOME}/.m2/repository"
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declare -A REPOS=(
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[central]="https://repo1.maven.org/maven2"
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[clojars]="https://repo.clojars.org"
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)
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function gen_deps_list() {
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# split into separate lines
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CLASSPATH_LINES=$(yarn shadow-cljs classpath --force-spawn | tr ':' '\n')
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# remove unnecessary lines
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CLASSPATH_LINES=$(echo "${CLASSPATH_LINES}" | grep -vE '^(\$|yarn|Done|shadow-cljs|src|test)')
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# remove local home path
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CLASSPATH_LINES=$(echo "${CLASSPATH_LINES}" | sed "s#${MAVEN_CACHE_PATH}/##")
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# print cleaned up entries from classpath
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echo "${CLASSPATH_LINES}" | sort | uniq
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}
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function get_repo_for_dir() {
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# This file has different name depending on Maven version
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if [[ -f "${1}/_remote.repositories" ]]; then
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REPO_FILE="${1}/_remote.repositories"
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elif [[ -f "${1}/_maven.repositories" ]]; then
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REPO_FILE="${1}/_maven.repositories"
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else
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echo -e "${RED}Cannot find Maven repo file for:${RST} ${1}" >&2
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exit 1
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fi
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grep -oP '.*>\K\w+' "${REPO_FILE}" | uniq
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}
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function get_nix_sha() {
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nix hash-file --base32 --type sha256 "$1" 2> /dev/null
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}
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function nix_entry_from_jar() {
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JAR_REL_PATH="${1}"
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JAR_REL_NAME="${JAR_REL_PATH%.jar}"
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JAR_PATH="${MAVEN_CACHE_PATH}/${JAR_REL_PATH}"
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JAR_NAME=$(basename "${JAR_PATH}")
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JAR_DIR=$(dirname "${JAR_PATH}")
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REPO_NAME=$(get_repo_for_dir "${JAR_DIR}")
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REPO_URL=${REPOS[${REPO_NAME}]}
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JAR_SHA1=$(cat "${JAR_PATH}.sha1")
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JAR_SHA256=$(get_nix_sha "${JAR_PATH}")
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# Format into a Nix attrset entry
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echo -n "
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{
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\"path\": \"${JAR_REL_NAME}\",
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\"host\": \"${REPO_URL}\",
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\"jar\": {
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\"sha1\": \"${JAR_SHA1}\",
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\"sha256\": \"${JAR_SHA256}\"
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}
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}"
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}
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# generate the deps.list file with relative paths
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gen_deps_list > "${CLASSPATH_FILE}"
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echo "Saved Clojure deps list to: ${CLASSPATH_FILE}" >&2
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# add the header which defines repo URLs
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echo -en "[" > "${JSON_DEPS_FILE}"
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# for each dependency generate an attrset with metadata
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DEPS=$(cat "${CLASSPATH_FILE}")
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LAST=$(tail -n1 "${CLASSPATH_FILE}")
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for DEP in ${DEPS}; do
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nix_entry_from_jar "${DEP}" >> "${JSON_DEPS_FILE}"
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# JSON is stupid and requires no comma on last element
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[[ "${DEP}" != "${LAST}" ]] && echo "," >> "${JSON_DEPS_FILE}"
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done
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# close the attrset
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echo -e "\n]" >> "${JSON_DEPS_FILE}"
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echo "Generated Clojure deps for Nix: ${JSON_DEPS_FILE}" >&2
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