Jira WAR installation is crazy dumb

install.sh

#!/bin/sh
# From within CATALINA_HOME:
# curl -Lks https://raw.github.com/gist/3962722/install.sh | sh -s [JIRA_HOME]
# https://confluence.atlassian.com/display/JIRA051/Installing+JIRA+on+Tomcat+6.0

JIRA_VERSION=5.1.7

CATALINA_HOME=${CATALINA_HOME:-${PWD}}
[ -x ${CATALINA_HOME}/bin/catalina.sh ] || {
  echo "${CATALINA_HOME} does not look like a CATALINA_HOME" >&2
  exit ${LINENO}
}
WEBAPPS=${CATALINA_HOME}/webapps
[ -d ${WEBAPPS} ] || {
  echo "${WEBAPPS} is missing" >&2
  exit ${LINENO}
}
[ -w ${HOME}/.catalina ] || {
  echo "export CATALINA_HOME=${CATALINA_HOME}" > ${HOME}/.catalina
  echo 'export CATALINA_OPTS="$CATALINA_OPTS -Dorg.apache.jasper.runtime.BodyContentImpl.LIMIT_BUFFER=true -Dmail.mime.decodeparameters=true -Xms128m -Xmx512m -XX:MaxPermSize=256m"' >> ${HOME}/.catalina
}

JIRA_HOME=${1:-${JIRA_HOME:-${TMP:-${TMPDIR}}}}
[ -w ${JIRA_HOME} ] || {
  echo "${JIRA_HOME} is not writeable" >&2
  exit ${LINENO}
}
[ -w ${HOME}/.jira ] || {
  cat > ${HOME}/.jira <<JIRA
export JIRA_HOME='${JIRA_HOME}'
export JIRA_VERSION='${JIRA_VERSION}'
JIRA
}

JIRA=atlassian-jira-${JIRA_VERSION}
JIRAN=${JIRA}-war
JIRA_BASE=${CATALINA_HOME}/atlassian-jira-${JIRA_VERSION}

(
  cd ${JIRA_HOME}
  curl -LOs http://www.atlassian.com/software/jira/downloads/binary/jira-jars-tomcat-distribution-5.1-tomcat-6x.zip
  curl -Ls http://www.atlassian.com/software/jira/downloads/binary/${JIRAN}.tar.gz \
  | tar zx
  cd ${JIRAN} || exit ${LINENO}
  JIRAD=${PWD}

  (
    cd webapps/WEB-INF/lib
    rm jcl-over-slf4j-*.jar jul-to-slf4j-*.jar log4j-*.jar slf4j-log4j12-*.jar
  )

  perl -pi -e 's|jira.home=$'"|${JIRA_HOME}|" webapp/WEB-INF/classes/jira-application.properties 

  ./build.sh
  [ -f dist-tomcat/${JIRA}.war ] || exit ${LINENO}
  cp dist-tomcat/${JIRA}.war ${CATALINA_HOME}/webapps

  cd ${CATALINA_HOME}
  mkdir ${CATALINA_HOME}/conf/Catalina/localhost
  cd ${CATALINA_HOME}/conf/Catalina/localhost
  p=$(printf 'path="/%s" docBase="%s"' "${JIRA}" "${CATALINA_HOME}/conf/Catalina/localhost/")
  perl -p -e "s|path=[^ ]+ docBase=..JIRA_WEBAPP..|${p}|" ${JIRAD}/etc/jira.xml > jira.xml

  cd ${CATALINA_HOME}/lib
  unzip ${JIRA_HOME}/jira-jars-tomcat-distribution-5.1-tomcat-6x.zip

  exit 0
)
exit ${?}

run.sh

#!/bin/sh
# curl -Lks https://raw.github.com/gist/3962722/run.sh | sh

  [ -r ${HOME}/.catalina ] || exit 1
  [ -r ${HOME}/.jira ] || exit 1
  . ${HOME}/.catalina
  . ${HOME}/.jira

  JAVA_VERSION=$(java -version 2>&1 | tr -d '"' | awk -F'[ .]' 'NR>1 {exit}; {print $3,$4}')
  
  echo $JAVA_VERSION $JIRA_VERSION \
  | awk -F'[. ]' '$1==1 && $2>6 && $3==5 && $4==1 {exit 1}; 0' || {
    echo "Jira ${JIRA_VERSION} bugs out with Java > 1.6" >&2
    echo 'https://confluence.atlassian.com/display/JIRA/Supported+Platforms'
    exit 1
  }

  JIRA_BASE=${CATALINA_HOME}/atlassian-jira-${JIRA_VERSION}

  for j in ${CATALINA_HOME}/lib/*.jar; do
    n=$(basename ${j})
    rm ${JIRA_BASE}/WEB-INF/lib/${n} 2>/dev/null
  done

  catalina run