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|
# Avoid any encoding problems
export LANG=C
shopt -s extglob
# 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() {
[[ -z $WORKDIR ]] && WORKDIR=$(mktemp -d --tmpdir "${0##*/}.XXXXXXXXXX")
}
cleanup() {
[[ -n $WORKDIR ]] && rm -rf "$WORKDIR"
exit ${1:-0}
}
abort() {
error 'Aborting...'
cleanup 255
}
trap_abort() {
trap - EXIT INT QUIT TERM HUP
abort
}
trap_exit() {
local r=$?
trap - EXIT INT QUIT TERM HUP
cleanup $r
}
die() {
(( $# )) && error "$@"
cleanup 255
}
trap 'trap_abort' INT QUIT TERM HUP
trap 'trap_exit' EXIT
##
# usage : in_array( $needle, $haystack )
# return : 0 - found
# 1 - not found
##
in_array() {
local needle=$1; shift
local item
for item in "$@"; do
[[ $item = $needle ]] && return 0 # Found
done
return 1 # Not Found
}
##
# usage : get_full_version( [$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 )); 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
}
##
# usage : lock( $fd, $file, $message )
##
lock() {
# Only reopen the FD if it wasn't handed to us
if ! [[ "/dev/fd/$1" -ef "$2" ]]; then
eval "exec $1>"'"$2"'
fi
if ! flock -n $1; then
stat_busy "$3"
flock $1
stat_done
fi
}
##
# usage : slock( $fd, $file, $message )
##
slock() {
# Only reopen the FD if it wasn't handed to us
if ! [[ "/dev/fd/$1" -ef "$2" ]]; then
eval "exec $1>"'"$2"'
fi
if ! flock -sn $1; then
stat_busy "$3"
flock -s $1
stat_done
fi
}
##
# usage : lock_close( $fd )
##
lock_close() {
local fd=$1
exec {fd}>&-
}
##
# usage: pkgver_equal( $pkgver1, $pkgver2 )
##
pkgver_equal() {
if [[ $1 = *-* && $2 = *-* ]]; then
# if both versions have a pkgrel, then they must be an exact match
[[ $1 = "$2" ]]
else
# otherwise, trim any pkgrel and compare the bare version.
[[ ${1%%-*} = "${2%%-*}" ]]
fi
}
##
# usage: find_cached_package( $pkgname, $pkgver, $arch )
#
# $pkgver can be supplied with or without a pkgrel appended.
# If not supplied, any pkgrel will be matched.
##
find_cached_package() {
local searchdirs=("$PWD" "$PKGDEST") results=()
local targetname=$1 targetver=$2 targetarch=$3
local dir pkg pkgbasename name ver rel arch r results
for dir in "${searchdirs[@]}"; do
[[ -d $dir ]] || continue
for pkg in "$dir"/*.pkg.tar?(.?z); do
[[ -f $pkg ]] || continue
# avoid adding duplicates of the same inode
for r in "${results[@]}"; do
[[ $r -ef $pkg ]] && continue 2
done
# split apart package filename into parts
pkgbasename=${pkg##*/}
pkgbasename=${pkgbasename%.pkg.tar?(.?z)}
arch=${pkgbasename##*-}
pkgbasename=${pkgbasename%-"$arch"}
rel=${pkgbasename##*-}
pkgbasename=${pkgbasename%-"$rel"}
ver=${pkgbasename##*-}
name=${pkgbasename%-"$ver"}
if [[ $targetname = "$name" && $targetarch = "$arch" ]] &&
pkgver_equal "$targetver" "$ver-$rel"; then
results+=("$pkg")
fi
done
done
case ${#results[*]} in
0)
return 1
;;
1)
printf '%s\n' "$results"
return 0
;;
*)
error 'Multiple packages found:'
printf '\t%s\n' "${results[@]}" >&2
return 1
esac
}
|
