109 lines
2.8 KiB
Bash
Executable File
109 lines
2.8 KiB
Bash
Executable File
#!/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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# This defines URLs of Maven repos we know about and use.
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declare -a REPOS=(
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"https://repo.maven.apache.org/maven2"
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"https://dl.google.com/dl/android/maven2"
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"https://plugins.gradle.org/m2"
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"https://jitpack.io"
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)
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function nix_fetch() {
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nix-prefetch-url --print-path --type sha256 "${1}" 2>/dev/null
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}
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function get_nix_path() { echo "${1}" | tail -n1; }
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function get_nix_sha() { echo "${1}" | head -n1; }
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function get_sha1() { sha1sum "${1}" | cut -d' ' -f1; }
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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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POM_URL=${1}
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# Drop the POM extension
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OBJ_REL_URL=${POM_URL%.pom}
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echo -en "${CLR} - 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#${REPO_URL}/}"
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OBJ_NIX_FETCH_OUT=$(nix_fetch "${OBJ_REL_URL}.jar")
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# Dependency might be a JAR or an AAR
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if [[ ${?} -eq 0 ]]; then
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# Some deps have only a POM, nor JAR or AAR
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OBJ_TYPE="jar"
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OBJ_PATH=$(get_nix_path "${OBJ_NIX_FETCH_OUT}")
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OBJ_SHA256=$(get_nix_sha "${OBJ_NIX_FETCH_OUT}")
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OBJ_SHA1=$(get_sha1 "${OBJ_PATH}")
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else
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OBJ_NIX_FETCH_OUT=$(nix_fetch "${OBJ_REL_URL}.aar")
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if [[ ${?} -eq 0 ]]; then
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OBJ_TYPE="aar"
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OBJ_PATH=$(get_nix_path "${OBJ_NIX_FETCH_OUT}")
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OBJ_SHA256=$(get_nix_sha "${OBJ_NIX_FETCH_OUT}")
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OBJ_SHA1=$(get_sha1 "${OBJ_PATH}")
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else
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OBJ_TYPE="pom"
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fi
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fi
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# Both JARs and AARs have a POM
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POM_NIX_FETCH_OUT=$(nix_fetch "${OBJ_REL_URL}.pom")
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POM_PATH=$(get_nix_path "${POM_NIX_FETCH_OUT}")
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if [[ -z "${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 "${POM_NIX_FETCH_OUT}")
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POM_SHA1=$(get_sha1 "${POM_PATH}")
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# Format into a Nix attrset entry
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echo -ne "
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{
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\"path\": \"${OBJ_REL_NAME}\",
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\"host\": \"${REPO_URL}\",
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\"type\": \"${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\": \"${POM_SHA256}\"
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}";[[ -n "${OBJ_SHA256}" ]] && echo -n ","
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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 -e "\n },"
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