Mini Shell

unset _mlshdbg;
# disable shell debugging for the run of this init file
if [ "${MODULES_SILENT_SHELL_DEBUG:-0}" = '1' ]; then
   # immediately disable debugging to echo the less number of line possible
   case "$-" in
      *v*x*) set +vx; _mlshdbg='vx' ;;
      *v*) set +v; _mlshdbg='v' ;;
      *x*) set +x; _mlshdbg='x' ;;
      *) _mlshdbg='' ;;
   esac;
fi;

# define modules runtine quarantine configuration
export MODULES_RUN_QUARANTINE='LD_LIBRARY_PATH LD_PRELOAD'

# setup quarantine if defined
unset _mlre _mlIFS;
if [ -n "${IFS+x}" ]; then
   _mlIFS=$IFS;
fi;
IFS=' ';
for _mlv in ${MODULES_RUN_QUARANTINE:-}; do
   if [ "${_mlv}" = "${_mlv##*[!A-Za-z0-9_]}" -a "${_mlv}" = "${_mlv#[0-9]}" ]; then
      if [ -n "`eval 'echo ${'$_mlv'+x}'`" ]; then
         _mlre="${_mlre:-}${_mlv}_modquar='`eval 'echo ${'$_mlv'}'`' ";
      fi;
      _mlrv="MODULES_RUNENV_${_mlv}";
      _mlre="${_mlre:-}${_mlv}='`eval 'echo ${'$_mlrv':-}'`' ";
   fi;
done;
if [ -n "${_mlre:-}" ]; then
   _mlre="eval ${_mlre}";
fi;

# define module command and surrounding initial environment (default value
# for MODULESHOME, MODULEPATH, LOADEDMODULES and parse of init config files)
_mlcode=`${_mlre:-}/usr/bin/tclsh /usr/share/Modules/libexec/modulecmd.tcl sh autoinit`
_mlret=$?

# clean temp variables used to setup quarantine
if [ -n "${_mlIFS+x}" ]; then
   IFS=$_mlIFS;
   unset _mlIFS;
else
   unset IFS;
fi;
unset _mlre _mlv _mlrv

# no environment alteration if the above autoinit command failed
if [ $_mlret -eq 0 ]; then
   eval "$_mlcode"

   # redefine module command if compat version has been activated
   if [ "${MODULES_USE_COMPAT_VERSION:-0}" = '1' ]; then
      MODULES_CMD=/usr/share/Modules/libexec/modulecmd-compat
      export MODULES_CMD
      if [ -t 2 ]; then
         _module_raw() { eval `/usr/share/Modules/libexec/modulecmd-compat sh $*`; }
      else
         module() { eval `/usr/share/Modules/libexec/modulecmd-compat sh $*`; }
      fi
   fi

   # if sh is bash, export functions to get them defined in sub-shells
   if [ "${BASH:-}" != '' ]; then
      if [ -t 2 ]; then
         export -f _module_raw
      fi
      export -f module
      if [ "$(type -t ml)" = 'function' ]; then
         export -f ml
      fi
   fi

   # define function to switch between C and Tcl versions of Modules
   switchml() {
      swfound=1
      if [ "${MODULES_USE_COMPAT_VERSION:-0}" = '1' ]; then
         swname='main'
         if [ -e /usr/share/Modules/libexec/modulecmd.tcl ]; then
            swfound=0
            unset MODULES_USE_COMPAT_VERSION
         fi
      else
         swname='compatibility'
         if [ -e /usr/share/Modules/libexec/modulecmd-compat ]; then
            swfound=0
            MODULES_USE_COMPAT_VERSION=1
            export MODULES_USE_COMPAT_VERSION
         fi
      fi

      # switch version only if command found
      if [ $swfound -eq 0 ]; then
         echo "Switching to Modules $swname version"
         . /usr/share/Modules/init/sh
      else
         echo "Cannot switch to Modules $swname version, command not found"
         return 1
      fi
   }
   if [ "${BASH:-}" != '' ]; then
      export -f switchml
   fi

   case ":$PATH:" in
      *:/usr/share/Modules/bin:*) ;;
      *) PATH=/usr/share/Modules/bin${PATH:+:}$PATH
      export PATH
   esac

   # initialize MANPATH if not set with a value that preserves manpath system
   # configuration even after addition of paths to this variable by modulefiles
   if [ ! -n "${MANPATH+x}" ]; then
      MANPATH=:
      export MANPATH
   fi
   case ":`manpath 2>/dev/null`:" in
      *:/usr/share/man:*) ;;
      *) if [ "$MANPATH" = ':' ] || [ "$MANPATH" = '' ]; then
            _mlpathsep=''
         else
            _mlpathsep=:
         fi
         MANPATH=/usr/share/man$_mlpathsep$MANPATH
         export MANPATH
         unset _mlpathsep
   esac
fi

unset _mlcode _mlret

# restore shell debugging options if disabled
if [ -n "${_mlshdbg:-}" ]; then
   set -$_mlshdbg;
   unset _mlshdbg;
fi;