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MX_Pmodule/scripts/Bootstrap/Pmodules/modmanage.in

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#!@PMODULES_HOME@/bin/bash
shopt -s expand_aliases
declare -r bindir=$(cd $(dirname "$0") && pwd -P)
get_options() {
"${bindir}/getopt" "$@"
}
print_version() {
echo "
Pmodules ${version} using Tcl Environment Modules @MODULES_VERSION@
Copyright GNU GPL v2
" 1>&2
}
usage() {
local -r prog=$(basename $0)
print_version
echo "
Usage: ${prog} [ switches ] [ subcommand ] [subcommand-args ]
Switches:
--dry-run do nothing
--force force overwrite
Available SubCommands and Args:
init [--src=<src>] [--user=<user>] --dst=<dst>
Initialize a new minimal Pmodule environment.
"
}
log() {
local -ri fd=$1
local -r fmt="$2\n"
shift 2
printf -- "$fmt" "$@" >> /dev/fd/$fd
}
info() {
log 2 "$1\n" "${@:2}"
}
error() {
log 2 "$1\n" "${@:2}"
}
debug() {
[[ ${PSI_DEBUG} ]] || return 0
log 2 "$@"
}
die() {
local -ri ec=$1
shift
local cout
if (( ec == 0)); then
cout='1'
else
cout='2'
fi
if [[ -n $@ ]]; then
local -r fmt=$1
shift
log $cout "$fmt" "$@"
fi
exit $ec
}
declare force='no'
declare dry_run='no'
declare DRY=''
declare subcommand=''
declare sargs=()
subcommand_help_init() {
echo "
init [--src=<src>] [--user=<user>] <dst>
Initialize a new minimal Pmodule environment in directory
<dst>. The <user> parameter must only be present if
${prog} is executed as root.
" 1>&2
}
subcommand_help() {
if [[ $# == 0 ]]; then
usage
elif typeset -F subcommand_help_$1 > /dev/null 2>&1 ; then
# help for sub-command
subcommand_help_$1
else
usage
fi
}
subcommand_init() {
local src=''
local target_dirs=()
local user=''
local opts=''
opts=$(get_options -o h -l src: -l user: -l help -- "$@")
if [[ $? != 0 ]]; then
subcommand_help_init
exit 1
fi
eval set -- "${opts}"
while (($# > 0)); do
case $1 in
--src )
src=$2
shift
;;
--user )
user=$2
shift
;;
-- )
:
;;
-* | -h | --help )
echo "$1: illegal option" 1>&2
subcommand_help_init
exit 1
;;
* )
target_dirs+=( "$1" )
;;
esac
shift
done
(( ${#target_dirs[@]} != 0 )) || die 1 "Error: no target directory specified!"
if [[ -n "${src}" ]]; then
[[ -d "${src}" ]] || die 1 "Error: ${src}: source directory does not exist!"
[[ -r "${src}/config/profile.bash" ]] || die 1 "Error: ${src}: shell profile does not exist or is not readable!"
source "${src}/config/profile.bash"
fi
local -i euid=$(id -u)
if (( euid == 0 )); then
[[ -n "$ENV_USER" ]] || die 1 "Error: --user parameter is required!"
id -u "$ENV_USER" > /dev/null 2>&1 || die 1 "Error: Unable to retrieve user id of user '$ENV_USER'"
else
[[ -z "$ENV_USER" ]] || die 1 "Error: --user option is only allowed if running as root!"
fi
[[ -n "${PSI_PREFIX}" ]] &&
[[ -n "${PSI_CONFIG_DIR}" ]] &&
[[ -n "${PSI_MODULES_ROOT}" ]] &&
[[ -n "${PSI_TEMPLATES_DIR}" ]] &&
[[ -n "${PMODULES_HOME}" ]] &&
[[ -n "${PMODULES_VERSION}" ]] || die 1 "
Error: the module environment you are going to use as source has not been
initialized properly!"
[[ -d "${PSI_PREFIX}" ]] &&
[[ -d "${PSI_PREFIX}/${PSI_CONFIG_DIR}" ]] &&
[[ -d "${PSI_PREFIX}/${PSI_MODULES_ROOT}" ]] &&
[[ -d "${PSI_PREFIX}/${PSI_TEMPLATES_DIR}" ]] &&
[[ -d "${PMODULES_HOME}" ]] || die 1 "
Error: the module environment '$PSI_PREFIX' has not been initialized properly!"
echo "
Attempting to create a minimal module environment from the
environment at '${PSI_PREFIX}'
"
function init_pmodules_environment() {
local -r target_dir=$1
local src=''
local dst=''
echo "Initializing target directory '${target_dir}' ..."
if [[ -d "${target_dir}" ]] && [[ ${force} == no ]]; then
echo "Warning: ${target_dir} already exists."
read -p "Do you really want to re-run the initialization? (y/N) " ans
case ${ans} in
y|Y )
:
;;
* )
exit 1
;;
esac
fi
dst="${target_dir}"
echo "Creating target directory '${dst}'..."
$DRY mkdir -p "${dst}" || die 1 "Error: make directory failed!"
echo
src="${PSI_PREFIX}/${PSI_CONFIG_DIR}/"
dst="${target_dir}/${PSI_CONFIG_DIR}/"
echo "Synching configuration from '${src}' to '${dst}'..."
$DRY rsync --recursive --links --perms --delete \
"${src}" "${dst}" || die 1 "Error: synch operation failed!"
echo
src="${PSI_PREFIX}/${PSI_TEMPLATES_DIR}/"
dst="${target_dir}/${PSI_TEMPLATES_DIR}/"
echo "Synching template files from '${src}' to '${dst}'..."
$DRY rsync --recursive --links --perms --delete \
"${src}" "${dst}" || die 1 "Error: synch operation failed!"
echo
src="${PMODULES_HOME}/"
dst="${target_dir}/${PMODULES_HOME#$PSI_PREFIX/}/"
echo "Synching Pmodules software from '${src}' to '${dst}'..."
$DRY mkdir -p "${dst}" || die 1 "Error: creating target directory failed!"
$DRY rsync --recursive --links --perms --delete \
"${src}" "${dst}" || die 1 "Error: synch operation failed!"
echo
src="${PSI_PREFIX}/${PSI_MODULES_ROOT}/Tools/Pmodules"
dst="${target_dir}/${PSI_MODULES_ROOT}/Tools/Pmodules"
echo "Setting up modulefile for Pmodules in '${dst}'..."
$DRY mkdir -p "${dst}" || die 1 "Error: make directory failed!"
$DRY ln -fs "../../../${PSI_TEMPLATES_DIR}/Tools/Pmodules/modulefile" \
"${dst}/${PMODULES_VERSION}" || die 1 "Error: setting sym-link failed!"
$DRY cp "${src}/.release-${PMODULES_VERSION}" "${dst}" || die 1 "Error: setting release failed!"
echo
if [[ -n "${ENV_USER}" ]]; then
echo "Changing user of new module environment to '${ENV_USER}'..."
$DRY chown -R "${ENV_USER}" "${target_dir}" || die 1 "Error: changing owner failed!"
echo
fi
echo "New minimal module environment created at '${target_dir}'."
echo "To use this environment, execute"
echo " ln -s ${target_dir} /opt/psi as root (delete the /opt/psi link if it already exists)"
echo " source ${target_dir}/$PSI_CONFIG_DIR/profile.bash"
}
umask 022
for target_dir in "${target_dirs[@]}"; do
init_pmodules_environment "${target_dir}"
done
}
while (($# > 0)); do
case $1 in
-h | -H | -\? | --help | -help )
usage
exit 1
;;
-V | --version )
print_version
exit 1
;;
-f | --force )
force='yes'
;;
--dry-run )
dry_run='yes'
DRY='echo'
;;
-* )
echo "$1: unknown switch.\n" 1>&2
exit 1
;;
init|help )
subcommand="subcommand_$1"
shift
sargs=( $* )
shift $#
;;
* )
echo "$1: unknown sub-command" 1>&2
exit 1
esac
shift
done
$subcommand "${sargs[@]}"
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