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|
#!/hint/bash
# This may be included with or without `set -euE`
# License: Unspecified
[[ -z ${_INCLUDE_COMMON_SH:-} ]] || return 0
_INCLUDE_COMMON_SH="$(set +o|grep nounset)"
set +u +o posix
# shellcheck disable=1091
. /usr/share/makepkg/util.sh
$_INCLUDE_COMMON_SH
# Avoid any encoding problems
export LANG=C
shopt -s extglob
# check if messages are to be printed using color
if [[ -t 2 && "$TERM" != dumb ]]; then
colorize
else
# shellcheck disable=2034
declare -gr ALL_OFF='' BOLD='' BLUE='' GREEN='' RED='' YELLOW=''
fi
stat_busy() {
local mesg=$1; shift
# shellcheck disable=2059
printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}...${ALL_OFF}" "$@" >&2
}
stat_done() {
# shellcheck disable=2059
printf "${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
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
}
##
# usage : lock( $fd, $file, $message, [ $message_arguments... ] )
##
lock() {
# Only reopen the FD if it wasn't handed to us
if ! [[ "/dev/fd/$1" -ef "$2" ]]; then
mkdir -p -- "$(dirname -- "$2")"
eval "exec $1>"'"$2"'
fi
if ! flock -n "$1"; then
stat_busy "${@:3}"
flock "$1"
stat_done
fi
}
##
# usage : slock( $fd, $file, $message, [ $message_arguments... ] )
##
slock() {
# Only reopen the FD if it wasn't handed to us
if ! [[ "/dev/fd/$1" -ef "$2" ]]; then
mkdir -p -- "$(dirname -- "$2")"
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
# https://github.com/koalaman/shellcheck/issues/862
# shellcheck disable=2034
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?(.!(sig|*.*)); 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=${pkgbasename%.pkg.tar*}
arch=${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[0]}"
return 0
;;
*)
error 'Multiple packages found:'
printf '\t%s\n' "${results[@]}" >&2
return 1
esac
}
|
