108 lines
2.3 KiB
Bash
108 lines
2.3 KiB
Bash
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#!/usr/bin/env bash
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#
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# This script takes a deps.list file and builds a Nix expression
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# that can be used by maven-repo-builder.nix to produce a path to
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# a local Maven repository.
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#
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CUR_DIR=$(cd "${BASH_SOURCE%/*}" && pwd)
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# sources REPOS associative array
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source ${CUR_DIR}/repos.sh
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function nix_fetch() {
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nix-prefetch-url --print-path --type sha256 "${1}" 2>/dev/null
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}
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function get_nix_path() {
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nix_fetch "${1}" | tail -n1
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}
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function get_nix_sha() {
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nix_fetch "${1}" | head -n1
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}
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function get_sha1() {
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sha1sum "${1}" | cut -d' ' -f1
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}
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# Assumes REPOS from repos.sh is available
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function match_repo_url() {
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for REPO_URL in "${REPOS[@]}"; do
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if [[ "$1" = ${REPO_URL}* ]]; then
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echo "${REPO_URL}"
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return
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fi
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done
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echo " ! Failed to match a repo for: ${1}" >&2
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exit 1
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}
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if [[ -z "${1}" ]]; then
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echo "Required argument not given!" >&2
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exit 1
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fi
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OBJ_REL_URL=${1}
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echo -en "\033[2K - Nix entry for: ${1##*/}\r" >&2
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REPO_URL=$(match_repo_url "${OBJ_REL_URL}")
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if [[ -z "${REPO_URL}" ]]; then
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echo "\r\n ? REPO_URL: ${REPO_URL}" >&2
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fi
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# Get the relative path without full URL
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OBJ_REL_NAME="${OBJ_REL_URL#${REPO_URL}/}"
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# Dependency might be a JAR or an AAR
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if nix_fetch "${OBJ_REL_URL}.jar" &>/dev/null; then
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OBJ_TYPE="jar"
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elif nix_fetch "${OBJ_REL_URL}.aar" &>/dev/null; then
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OBJ_TYPE="aar"
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else
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OBJ_TYPE="pom"
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fi
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# Some deps have only a POM, nor JAR or AAR
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if [[ "${OBJ_TYPE}" != "pom" ]]; then
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OBJ_PATH=$(get_nix_path "${OBJ_REL_URL}.${OBJ_TYPE}")
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OBJ_SHA256=$(get_nix_sha "${OBJ_REL_URL}.${OBJ_TYPE}")
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OBJ_SHA1=$(get_sha1 "${OBJ_PATH}")
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fi
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POM_PATH=$(get_nix_path "${OBJ_REL_URL}.pom")
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if [[ -z "${POM_PATH}" ]]; then
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echo " ! Failed to fetch: ${OBJ_REL_URL}.pom" >&2
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exit 1
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fi
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POM_SHA256=$(get_nix_sha "${OBJ_REL_URL}.pom")
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POM_SHA1=$(get_sha1 "${POM_PATH}")
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# Format into a Nix attrset entry
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echo -n "
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\"${OBJ_REL_NAME}\" =
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{
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host = \"${REPO_URL}\";
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path = \"${OBJ_REL_NAME}\";
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type = \"${OBJ_TYPE}\";"
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if [[ -n "${POM_SHA256}" ]]; then
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echo -n "
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pom = {
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sha1 = \"${POM_SHA1}\";
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sha256 = \"${POM_SHA256}\";
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};"
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fi
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if [[ -n "${OBJ_SHA256}" ]]; then
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echo -n "
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jar = {
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sha1 = \"${OBJ_SHA1}\";
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sha256 = \"${OBJ_SHA256}\";
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};"
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fi
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echo -n "
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};
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"
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