Achim Gsell
df9adc8251
- set 'bindir' if not set - '\n' removed from info() and error() - die() always prints to stderr - get_abspath(), append_path(), prepend_path(), remove_path() added
146 lines
2.9 KiB
Bash
146 lines
2.9 KiB
Bash
#!/bin/bash
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if [[ -z ${bindir} ]]; then
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local bindir=$(dirname "${BASH_SOURCE}")
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bindir=$(cd "${bindir}"/.. && pwd)"/bin"
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fi
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log() {
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local -ri fd=$1
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local -r fmt="$2\n"
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shift 2
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printf -- "$fmt" "$@" >> /dev/fd/$fd
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}
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info() {
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log 2 "$1" "${@:2}"
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}
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error() {
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log 2 "$1" "${@:2}"
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}
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debug() {
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[[ ${PSI_DEBUG} ]] || return 0
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log 2 "$@"
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}
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die() {
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local -ri ec=$1
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shift
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if [[ -n $@ ]]; then
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local -r fmt=$1
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shift
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log 2 "$fmt" "$@"
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fi
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exit $ec
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}
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#
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# get answer to yes/no question
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#
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# $1: prompt
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#
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get_YN_answer() {
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local -r prompt="$1"
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local ans
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read -p "${prompt}" ans
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case ${ans} in
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y|Y )
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return 0;;
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* )
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return 1;;
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esac
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}
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#
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# return normalized abolute pathname
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# $1: filename
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get_abspath() {
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local -r fname=$1
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[[ -r "${fname}" ]] || return 1
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if [[ -d ${fname} ]]; then
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echo $(cd "${fname}" && pwd)
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else
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local -r dname=$(dirname "${fname}")
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echo $(cd "${dname}" && pwd)/$(basename "${fname}")
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fi
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}
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get_options() {
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"${bindir}/getopt" "$@"
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}
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check_pmodules_env_vars() {
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[[ -n "${PSI_PREFIX}" ]] &&
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[[ -n "${PSI_CONFIG_DIR}" ]] &&
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[[ -n "${PSI_MODULES_ROOT}" ]] &&
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[[ -n "${PSI_TEMPLATES_DIR}" ]] &&
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[[ -n "${PMODULES_HOME}" ]] &&
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[[ -n "${PMODULES_VERSION}" ]] || die 1 "
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Error: the module environment you are going to use as source has not been
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initialized properly!"
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}
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check_pmodules_directories() {
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local -r src_prefix="$1"
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[[ -d "${src_prefix}" ]] &&
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[[ -d "${src_prefix}/${PSI_CONFIG_DIR}" ]] &&
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[[ -d "${src_prefix}/${PSI_MODULES_ROOT}" ]] &&
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[[ -d "${src_prefix}/${PSI_TEMPLATES_DIR}" ]] &&
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[[ -d "${src_prefix}/Tools/Pmodules/${PMODULES_VERSION}" ]] || die 1 "
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Error: the module environment '${src_prefix}' has not been initialized properly!"
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}
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check_pmodules_env() {
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check_pmodules_env_vars
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check_pmodules_directories "${PSI_PREFIX}"
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}
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append_path () {
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local -r P=$1
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local -r d=$2
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if ! echo ${!P} | egrep -q "(^|:)${d}($|:)" ; then
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if [[ -z ${!P} ]]; then
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eval $P=${d}
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else
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eval $P=${!P}:${d}
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fi
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fi
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}
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prepend_path () {
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local -r P=$1
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local -r d=$2
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if ! echo ${!P} | egrep -q "(^|:)${d}($|:)" ; then
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if [[ -z ${!P} ]]; then
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eval $P=${d}
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else
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eval $P=${d}:${!P}
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fi
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fi
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}
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remove_path() {
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local -r P=$1
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local -r d=$2
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local new_path=''
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local -r _P=( ${!P//:/ } )
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# loop over all entries in path
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for entry in "${_P[@]}"; do
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[[ "${entry}" != "${d}" ]] && new_path+=":${entry}"
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done
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# remove leading ':'
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eval ${P}="${new_path:1}"
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}
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# Local Variables:
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# mode: sh
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# sh-basic-offset: 8
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# tab-width: 8
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# End:
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