software.integration.hub-detect.2.0.0.source-code.hub-detect-sh Maven / Gradle / Ivy

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#!/bin/bash

# This value should not be updated - the Jenkins
# build process will, for ANY snapshot build,
# override the hub-detect-latest-SNAPSHOT.jar file on
# gh-pages.
DETECT_LATEST_SNAPSHOT=hub-detect-latest-SNAPSHOT.jar

# DETECT_LATEST_RELEASE_VERSION should be set in your
# environment if you wish to use a version different
# from LATEST.
DETECT_RELEASE_VERSION=${DETECT_LATEST_RELEASE_VERSION}

# If you would like to enable the shell script to use
# the latest snapshot instead of the latest release,
# specify DETECT_USE_SNAPSHOT=1 in your environment.
# The default is to NOT use snapshots. If you enable
# snapshots, the jar file will be downloaded whenever
# a new commit is added to the master branch.
DETECT_USE_SNAPSHOT=${DETECT_USE_SNAPSHOT:-0}

# To override the default location of /tmp, specify
# your own DETECT_JAR_PATH in your environment and
# *that* location will be used.
DETECT_JAR_PATH=${DETECT_JAR_PATH:-/tmp}

# If you want to pass any java options to the
# invocation, specify DETECT_JAVA_OPTS in your
# environment. For example, to specify a 6 gigabyte
# heap size, you would set DETECT_JAVA_OPTS=-Xmx6G.
DETECT_JAVA_OPTS=${DETECT_JAVA_OPTS:-}

# If you want to pass any additional options to
# curl, specify DETECT_CURL_OPTS in your environment.
# For exmaple, to specify a proxy, you would set
# DETECT_CURL_OPTS=--proxy http://myproxy:3128
DETECT_CURL_OPTS=${DETECT_CURL_OPTS:-}

SCRIPT_ARGS="$@"

run() {
  get_detect
  run_detect
}

get_detect() {
  VERSION_FILE_DESTINATION="${DETECT_JAR_PATH}/hub-detect-latest-commit-id.txt"
  CURRENT_VERSION=""
  if [ -f $VERSION_FILE_DESTINATION ]; then
    CURRENT_VERSION=$( <$VERSION_FILE_DESTINATION )
  fi

  curl $DETECT_CURL_OPTS -o $VERSION_FILE_DESTINATION https://blackducksoftware.github.io/hub-detect/latest-commit-id.txt
  LATEST_VERSION=$( <$VERSION_FILE_DESTINATION )

  if [ $DETECT_USE_SNAPSHOT -eq 1 ]; then
    echo "will look for snapshot: ${DETECT_LATEST_SNAPSHOT}"
    DETECT_DESTINATION="${DETECT_JAR_PATH}/${DETECT_LATEST_SNAPSHOT}"
    DETECT_SOURCE="https://blackducksoftware.github.io/hub-detect/${DETECT_LATEST_SNAPSHOT}"
  else
    if [ -z "${DETECT_RELEASE_VERSION}" ]; then
      DETECT_RELEASE_VERSION=$(curl http://repo2.maven.org/maven2/com/blackducksoftware/integration/hub-detect/maven-metadata.xml | grep latest | sed -e 's@@@' -e 's@@@' -e 's/^[ \t]*//')
      DETECT_SOURCE="http://repo2.maven.org/maven2/com/blackducksoftware/integration/hub-detect/${DETECT_RELEASE_VERSION}/hub-detect-${DETECT_RELEASE_VERSION}.jar"
      DETECT_DESTINATION="${DETECT_JAR_PATH}/hub-detect-${DETECT_RELEASE_VERSION}.jar"
    else
      DETECT_SOURCE="http://repo2.maven.org/maven2/com/blackducksoftware/integration/hub-detect/${DETECT_RELEASE_VERSION}/hub-detect-${DETECT_RELEASE_VERSION}.jar"
      DETECT_DESTINATION="${DETECT_JAR_PATH}/hub-detect-${DETECT_RELEASE_VERSION}.jar"
    fi
    echo "will look for : ${DETECT_SOURCE}"
  fi

  USE_REMOTE=1
  if [ "$CURRENT_VERSION" != "$LATEST_VERSION" ] && [ $DETECT_USE_SNAPSHOT -eq 1 ]; then
    echo "You don't have the latest snapshot, so the new snapshot will be downloaded."
  elif [ ! -f $DETECT_DESTINATION ]; then
    echo "You don't have the current file, so it will be downloaded."
  else
    echo "You have already downloaded the latest file, so the local file will be used."
    USE_REMOTE=0
  fi

  if [ $USE_REMOTE -eq 1 ]; then
    echo "getting ${DETECT_SOURCE} from remote"
    curl $DETECT_CURL_OPTS -L -o $DETECT_DESTINATION "${DETECT_SOURCE}"
    echo "saved ${DETECT_SOURCE} to ${DETECT_DESTINATION}"
  fi
}

run_detect() {
  JAVACMD="java ${DETECT_JAVA_OPTS} -jar ${DETECT_DESTINATION}"
  echo "running detect: ${JAVACMD} ${SCRIPT_ARGS}"

  # first, silently delete (-f ignores missing
  # files) any existing shell script, then create
  # the one we will run
  rm -f $DETECT_JAR_PATH/hub-detect-java.sh
  echo "#!/bin/sh" >> $DETECT_JAR_PATH/hub-detect-java.sh
  echo "" >> $DETECT_JAR_PATH/hub-detect-java.sh
  echo $JAVACMD $SCRIPT_ARGS >> $DETECT_JAR_PATH/hub-detect-java.sh
  source $DETECT_JAR_PATH/hub-detect-java.sh
  RESULT=$?
  echo "Result code of ${RESULT}, exiting"
  rm -f $DETECT_JAR_PATH/hub-detect-java.sh
  exit $RESULT
}

run