74 lines
1.8 KiB
Bash
74 lines
1.8 KiB
Bash
# Error management functions
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# Exit with error
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function die()
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{
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local errorcode=$1
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# Don't trigger the ERR signal as we already managed the error
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trap - ERR
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if [[ "$KEEPGOING" != "true" ]] || [[ "$2" == "--force" ]]; then
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prnt E "Sortie prématuré avec erreur (code #$errorcode)."
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exit $errorcode
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else
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prnt W "On continue malgrés l'erreur #$errorcode."
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fi
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# Put the trigger back (only executed with --keepgoing)
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trap "error ${LINENO}" ERR
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}
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export -f die
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function terminate()
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{
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prnt E "$1 reçu, sortie immédiate."
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die 128 --force
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}
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trap "terminate 'Ctrl + C'" SIGINT
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trap "terminate 'SIGTERM'" SIGTERM
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function error()
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{
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local parent_lineno="$1"
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local message="$2"
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local code="${3:-1}"
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# Print error header
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prnt E "${BIWhite}*** ${BIRed}Une erreur fatale est intervenue, le script va s'arrêter immédiatement !$DEFAULTCOL"
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if [[ -n "$message" ]]; then
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prnt E "Erreur ligne $parent_lineno, code d'erreur $code avec le message :"
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echo -e "\t\t$message"
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else
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prnt E "Erreur ligne $(caller), avec le code d'erreur $code."
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fi
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#awk 'NR>L-4 && NR<L+4 { printf "%-5d%3s%s\n",NR,(NR==L?">>>":""),$0 }' L=$1 $0
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}
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# Trigger error function on error
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trap "error ${LINENO}; backtrace; exit 255" ERR
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# Print a backtrace
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function backtrace
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{
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echo "======== Pile d'appel ========"
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typeset -i i=0
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for func in "${FUNCNAME[@]}"
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do
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printf '%15s() %s:%d\n' \
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"$func" "${BASH_SOURCE[$i]}" "${BASH_LINENO[$i]}"
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let i++ || true
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done
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echo "=============================="
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}
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check_root()
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{
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[[ $NO_ROOT_CHECK == true ]] && return 0
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if [[ $EUID -ne 0 ]]; then
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prnt E "Ce script doit être démarré en tant que root. Arrêt."
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die 4 --force
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fi
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}
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