# Avoid any encoding problems export LANG=C # check if messages are to be printed using color unset ALL_OFF BOLD BLUE GREEN RED YELLOW if [[ -t 2 ]]; then # prefer terminal safe colored and bold text when tput is supported if tput setaf 0 &>/dev/null; then ALL_OFF="$(tput sgr0)" BOLD="$(tput bold)" BLUE="${BOLD}$(tput setaf 4)" GREEN="${BOLD}$(tput setaf 2)" RED="${BOLD}$(tput setaf 1)" YELLOW="${BOLD}$(tput setaf 3)" else ALL_OFF="\e[1;0m" BOLD="\e[1;1m" BLUE="${BOLD}\e[1;34m" GREEN="${BOLD}\e[1;32m" RED="${BOLD}\e[1;31m" YELLOW="${BOLD}\e[1;33m" fi fi readonly ALL_OFF BOLD BLUE GREEN RED YELLOW plain() { local mesg=$1; shift printf "${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2 } msg() { local mesg=$1; shift printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2 } msg2() { local mesg=$1; shift printf "${BLUE} ->${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2 } warning() { local mesg=$1; shift printf "${YELLOW}==> WARNING:${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2 } error() { local mesg=$1; shift printf "${RED}==> ERROR:${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2 } stat_busy() { local mesg=$1; shift printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}...${ALL_OFF}" >&2 } stat_done() { printf "${BOLD}done${ALL_OFF}\n" >&2 } _setup_workdir=false setup_workdir() { [[ -z $WORKDIR ]] && WORKDIR=$(mktemp -d --tmpdir "${0##*/}.XXXXXXXXXX") _setup_workdir=true trap 'trap_abort' INT QUIT TERM HUP trap 'trap_exit' EXIT } cleanup() { if [[ -n $WORKDIR ]] && $_setup_workdir; then rm -rf "$WORKDIR" fi [[ -n $1 ]] && exit $1 } abort() { msg 'Aborting...' cleanup 0 } trap_abort() { trap - EXIT INT QUIT TERM HUP abort } trap_exit() { trap - EXIT INT QUIT TERM HUP cleanup } die() { error "$*" cleanup 1 } ## # usage : in_array( $needle, $haystack ) # return : 0 - found # 1 - not found ## in_array() { local needle=$1; shift local item for item in "$@"; do [[ $item = $needle ]] && return 0 # Found done return 1 # Not Found } ## # usage : lock_open_write( $fd, $path, $wait_message ) ## lock_open_write() { local fd=$1 local path=$2 local msg=$3 # Only reopen the FD if it wasn't handed to us if [[ $(readlink -f /dev/fd/$fd) != "${path}.lock" ]]; then mkdir -p "${path%/*}" eval "exec $fd>${path}.lock" fi if ! flock -n $fd; then stat_busy "$msg" flock $fd stat_done fi } ## # usage : lock_open_read( $fd, $path, $wait_message ) ## lock_open_read() { local fd=$1 local path=$2 local msg=$3 # Only reopen the FD if it wasn't handed to us if [[ $(readlink -f /dev/fd/$fd) != "${path}.lock" ]]; then mkdir -p "${path%/*}" eval "exec $fd>${path}.lock" fi if ! flock -sn $fd; then stat_busy "$msg" flock -s $fd stat_done fi } ## # usage : lock_close( $fd ) ## lock_close() { local fd=$1 eval "exec $fd>&-" } ## # usage : get_full_version( [$pkgname] ) # return : full version spec, including epoch (if necessary), pkgver, pkgrel ## get_full_version() { # set defaults if they weren't specified in buildfile pkgbase=${pkgbase:-${pkgname[0]}} epoch=${epoch:-0} if [[ -z $1 ]]; then if [[ $epoch ]] && (( ! $epoch )); then echo $pkgver-$pkgrel else echo $epoch:$pkgver-$pkgrel fi else for i in pkgver pkgrel epoch; do local indirect="${i}_override" eval $(declare -f package_$1 | sed -n "s/\(^[[:space:]]*$i=\)/${i}_override=/p") [[ -z ${!indirect} ]] && eval ${indirect}=\"${!i}\" done if (( ! $epoch_override )); then echo $pkgver_override-$pkgrel_override else echo $epoch_override:$pkgver_override-$pkgrel_override fi fi }