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#!/usr/bin/env bash
set -euo pipefail
# GEN_DIR allows to share the entrypoint between Dockerfile and run-in-docker.sh (backward compatible)
GEN_DIR=${GEN_DIR:-/opt/openapi-generator}
JAVA_OPTS=${JAVA_OPTS:-"-Xmx1024M -DloggerPath=conf/log4j.properties"}
cli="${GEN_DIR}/modules/openapi-generator-cli"
codegen="${cli}/target/openapi-generator-cli.jar"
# We code in a list of commands here as source processing is potentially buggy (requires undocumented conventional use of annotations).
# A list of known commands helps us determine if we should compile CLI. There's an edge-case where a new command not added to this
# list won't be considered a "real" command. We can get around that a bit by checking CLI completions beforehand if it exists.
commands="list,generate,meta,langs,help,config-help,validate,version"
# if CLI jar exists, check $1 against completions available in the CLI
if [[ -f "${codegen}" && -n "$(java ${JAVA_OPTS} -jar "${codegen}" completion | grep "^$1\$" )" ]]; then
command=$1
shift
exec java ${JAVA_OPTS} -jar "${codegen}" "${command}" "$@"
elif [[ -n "$(echo commands | tr ',' '\n' | grep "^$1\$" )" ]]; then
# If CLI jar does not exist, and $1 is a known CLI command, build the CLI jar and run that command.
if [[ ! -f "${codegen}" ]]; then
(cd "${GEN_DIR}" && exec mvn -am -pl "modules/openapi-generator-cli" -Duser.home=$(dirname $MAVEN_CONFIG) package)
fi
command=$1
shift
exec java ${JAVA_OPTS} -jar "${codegen}" "${command}" "$@"
else
# Pass args as linux commands. This allows us to do something like: docker run -it (-e…, -v…) image ls -la
exec "$@"
fi