Maven `mvn` script

mvn

#! /bin/ksh
#! @brief Apache Maven Startup Script
#
# NOTE. If you are not using the AIT framework, replace all calls to `lq`(1) by `print -u2`, for example:
#     lq +error "This is an error"
# becomes
#     print -u2 "error: this is an error"

function mvn_getdir {

    typeset dir=$(mvn_getarg "$@") d=$dir
    while [[ $d != / ]]; do [[ -d $d/.mvn ]] && { dir=$d; break; }; d=$(cd $d/..; pwd); done
    print -v dir
}

function mvn_getarg {

    typeset dir=$(pwd); integer -s found=0

    for arg in "$@"; do

        [[ $arg == -@(f|-file) ]] && { found=1; continue; }
        (( found == 1 )) || continue

          if [[ -d $arg ]]; then dir=$(cd $arg && pwd -P)
        elif [[ -f $arg ]]; then dir=$(cd $(dirname $arg) && pwd -P)
             [[ -d $dir ]] || { lq +error "$dir: directory not found [$arg]!", exit 1; }
        else                    lq +error "$arg: PM file not found!";          exit 1; fi

        break

    done; print -v dir

}

# Make sure we aren't running on Windows
[[ $(uname) == @(CYGWIN|MINGW)* ]] && { lq +error "Cygwin and MingW are not currently supported!"; return 1; }

# Determine this program's name and location resolving all symbolic links
[[ -L $0 ]] && a=$(readlink -f $0) || a=$0; [[ $a == */* ]] && b=$(cd ${a%/*}; pwd -P) a=${a##*/} || b=$(pwd -P)
typeset -m progname=a progpath=b

# Determine directories of interest
typeset homedir=${MAVEN_HOME:-$(cd $progpath/..; pwd -P)}
typeset repodir=${MAVEN_BASEDIR:-$(mvn_getdir "$@")}

# Initialise default settings
integer -s skiprc=${MAVEN_SKIP_RC:+1}   # Flag to disable loading of mavenrc files
typeset -m args=MAVEN_ARGS              # Arguments passed to Maven before CLI arguments.
typeset -m bugs=MAVEN_DEBUG_OPTS        # Undocumented
typeset -m conf=MAVEN_CONFIG            # Undocumented
typeset -m opts=MAVEN_OPTS              # Java runtime options used when Maven is executed.

# Source all available runtime command files
typeset rcfiles=( /usr/local/etc/mavenrc /etc/mavenrc $HOME/.mavenrc )
typeset rc; (( skiprc == 1 )) || for rc in ${rcfiles[@]}; do [[ -f $rc ]] && source $rc; done; unset rc

# JAVA_HOME must point at your Java Development Kit installation
typeset javabin; [[ -n $JAVA_HOME ]] && javabin=$JAVA_HOME/bin/java || javabin=$(whence java)
[[ -z javabin || ! -x $javabin ]] && { lq +error "JAVA_HOME environment variable not declared!"; exit 1; }

typeset jars="$(ls -1 $homedir/boot/plexus-classworlds-*.jar)"
typeset exec='org.codehaus.plexus.classworlds.launcher.Launcher'

typeset jcfg; [[ -f $repodir/.mvn/jvm.config ]] && jcfg="$(cat $repodir/.mvn/jvm.config | tr -s '\r\n' '  ')"

export MAVEN_PROJECTBASEDIR=$repodir
export MAVEN_CMD_LINE_ARGS="${conf:+$conf }$@"

exec "$javabin" $jcfg $opts $bugs -classpath "${jars}" "-Dclassworlds.conf=$homedir/bin/m2.conf" "-Dmaven.home=$homedir" \
     "-Dlibrary.jansi.path=$homedir/lib/jansi-native" "-Dmaven.multiModuleProjectDirectory=$repodir" $exec $args "$@"

#! @revision 2023-04-07 (Fri) 06:58:47