Template to bootstrap configure/automake projects for C++, libtool, Qt, NodeJS, PHP, Shell-Scripts, etc. Extends autotools, by building packages for Debian and RPM, specifying generic library dependencies, creating desktop applications with icons, etc. https://mrw.sh/development/bootstrap-build-environment
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#!/bin/bash -e
# template for bash scripts
# internal use only
append_msg() {
if test $# -ne 0; then
echo -en ":\e[0m \e[1m$*"
fi
echo -e "\e[0m"
}
# write a notice
notice() {
if test $# -eq 0; then
return
fi
echo -e "\e[1m$*\e[0m" 1>&3
}
# write error message
error() {
echo -en "\e[1;31merror" 1>&2
append_msg $* 1>&2
}
# write a warning message
warning() {
echo -en "\e[1;33mwarning" 1>&2
append_msg $* 1>&2
}
# write a success message
success() {
echo -en "\e[1;32msuccess" 1>&2
append_msg $* 1>&2
}
# commandline parameter evaluation
while test $# -gt 0; do
case "$1" in
(--help|-h) less <<EOF
SYNOPSIS
$0 [OPTIONS]
OPTIONS
--help, -h show this help
DESCRIPTION
EOF
exit;;
(*) error "unknow option $1, try $0 --help"; exit 1;;
esac
if test $# -eq 0; then
error "missing parameter, try $0 --help"; exit 1
fi
shift;
done
# run a command, print the result and abort in case of error
# option: --no-check: ignore the result, continue in case of error
run() {
check=1
while test $# -gt 0; do
case "$1" in
(--no-check) check=0;;
(*) break;;
esac
shift;
done
echo -en "\e[1m-> running:\e[0m $* ..."
result=$($* 2>&1)
res=$?
if test $res -ne 0; then
if test $check -eq 1; then
error "failed with return code: $res"
if test -n "$result"; then
echo "$result"
fi
exit 1
else
warning "ignored return code: $res"
fi
else
success
fi
}
# error handler
function traperror() {
set +x
local err=($1) # error status
local line="$2" # LINENO
local linecallfunc="$3"
local command="$4"
local funcstack="$5"
for e in ${err[@]}; do
if test -n "$e" -a "$e" != "0"; then
error "line $line - command '$command' exited with status: $e (${err[@]})"
if [ "${funcstack}" != "main" -o "$linecallfunc" != "0" ]; then
echo -n " ... error at ${funcstack} "
if [ "$linecallfunc" != "" ]; then
echo -n "called at line $linecallfunc"
fi
echo
fi
exit $e
fi
done
success
exit 0
}
# catch errors
trap 'traperror "$? ${PIPESTATUS[@]}" $LINENO $BASH_LINENO "$BASH_COMMAND" "${FUNCNAME[@]}" "${FUNCTION}"' ERR SIGINT INT TERM EXIT
##########################################################################################