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1# Copyright 1999-2005 Gentoo Foundation 1# Copyright 1999-2006 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.230 2006/03/17 23:23:30 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.256 2006/10/31 19:29:12 agriffis Exp $
4#
5# Author: Martin Schlemmer <azarah@gentoo.org>
6# 4#
7# This eclass is for general purpose functions that most ebuilds 5# This eclass is for general purpose functions that most ebuilds
8# have to implement themselves. 6# have to implement themselves.
9# 7#
10# NB: If you add anything, please comment it! 8# NB: If you add anything, please comment it!
9#
10# Maintainer: see each individual function, base-system@gentoo.org as default
11 11
12inherit multilib portability 12inherit multilib portability
13
14DEPEND="!bootstrap? ( sys-devel/patch )"
15# sys-apps/shadow is needed for useradd, etc, bug #94745.
16 13
17DESCRIPTION="Based on the ${ECLASS} eclass" 14DESCRIPTION="Based on the ${ECLASS} eclass"
18 15
19# Wait for the supplied number of seconds. If no argument is supplied, defaults 16# Wait for the supplied number of seconds. If no argument is supplied, defaults
20# to five seconds. If the EPAUSE_IGNORE env var is set, don't wait. If we're not 17# to five seconds. If the EPAUSE_IGNORE env var is set, don't wait. If we're not
21# outputting to a terminal, don't wait. For compatability purposes, the argument 18# outputting to a terminal, don't wait. For compatability purposes, the argument
22# must be an integer greater than zero. 19# must be an integer greater than zero.
23# Bug 62950, Ciaran McCreesh <ciaranm@gentoo.org> (05 Sep 2004) 20# Bug 62950, Ciaran McCreesh <ciaranm@gentoo.org> (05 Sep 2004)
24epause() { 21epause() {
25 if [ -z "$EPAUSE_IGNORE" ] && [ -t 1 ] ; then 22 [[ -z ${EPAUSE_IGNORE} ]] && sleep ${1:-5}
26 sleep ${1:-5}
27 fi
28} 23}
29 24
30# Beep the specified number of times (defaults to five). If our output 25# Beep the specified number of times (defaults to five). If our output
31# is not a terminal, don't beep. If the EBEEP_IGNORE env var is set, 26# is not a terminal, don't beep. If the EBEEP_IGNORE env var is set,
32# don't beep. 27# don't beep.
33# Bug 62950, Ciaran McCreesh <ciaranm@gentoo.org> (05 Sep 2004) 28# Bug 62950, Ciaran McCreesh <ciaranm@gentoo.org> (05 Sep 2004)
34ebeep() { 29ebeep() {
35 local n 30 local n
36 if [ -z "$EBEEP_IGNORE" ] && [ -t 1 ] ; then 31 if [[ -z ${EBEEP_IGNORE} ]] ; then
37 for ((n=1 ; n <= ${1:-5} ; n++)) ; do 32 for ((n=1 ; n <= ${1:-5} ; n++)) ; do
38 echo -ne "\a" 33 echo -ne "\a"
39 sleep 0.1 &>/dev/null ; sleep 0,1 &>/dev/null 34 sleep 0.1 &>/dev/null ; sleep 0,1 &>/dev/null
40 echo -ne "\a" 35 echo -ne "\a"
41 sleep 1 36 sleep 1
60# to point to the latest version of the library present. 55# to point to the latest version of the library present.
61# 56#
62# <azarah@gentoo.org> (26 Oct 2002) 57# <azarah@gentoo.org> (26 Oct 2002)
63# 58#
64gen_usr_ldscript() { 59gen_usr_ldscript() {
60 if [[ $(type -t _tc_gen_usr_ldscript) == "function" ]] ; then
61 _tc_gen_usr_ldscript "$@"
62 return $?
63 fi
64
65 ewarn "QA Notice: Please upgrade your ebuild to use toolchain-funcs"
66 ewarn "QA Notice: rather than gen_usr_ldscript() from eutils"
67
65 local lib libdir=$(get_libdir) 68 local lib libdir=$(get_libdir)
66 # Just make sure it exists 69 # Just make sure it exists
67 dodir /usr/${libdir} 70 dodir /usr/${libdir}
68 71
69 for lib in "${@}" ; do 72 for lib in "${@}" ; do
137# hand its a directory, it will set EPATCH_SOURCE to this. 140# hand its a directory, it will set EPATCH_SOURCE to this.
138# 141#
139# <azarah@gentoo.org> (10 Nov 2002) 142# <azarah@gentoo.org> (10 Nov 2002)
140# 143#
141epatch() { 144epatch() {
142 _epatch_draw_line() { 145 _epatch_draw_line() {
143 [[ -z $1 ]] && set "$(printf "%65s" '')" 146 [[ -z $1 ]] && set "$(printf "%65s" '')"
144 echo "${1//?/=}" 147 echo "${1//?/=}"
145 } 148 }
146 _epatch_assert() { local _pipestatus=${PIPESTATUS[*]}; [[ ${_pipestatus// /} -eq 0 ]] ; } 149 _epatch_assert() { local _pipestatus=${PIPESTATUS[*]}; [[ ${_pipestatus// /} -eq 0 ]] ; }
147 local PIPE_CMD="" 150 local PIPE_CMD=""
436# shell: /bin/false 439# shell: /bin/false
437# homedir: /dev/null 440# homedir: /dev/null
438# groups: none 441# groups: none
439# extra: comment of 'added by portage for ${PN}' 442# extra: comment of 'added by portage for ${PN}'
440enewuser() { 443enewuser() {
444 case ${EBUILD_PHASE} in
445 unpack|compile|test|install)
446 eerror "'enewuser()' called from '${EBUILD_PHASE}()' which is not a pkg_* function."
447 eerror "Package fails at QA and at life. Please file a bug."
448 die "Bad package! enewuser is only for use in pkg_* functions!"
449 esac
450
441 # get the username 451 # get the username
442 local euser=$1; shift 452 local euser=$1; shift
443 if [[ -z ${euser} ]] ; then 453 if [[ -z ${euser} ]] ; then
444 eerror "No username specified !" 454 eerror "No username specified !"
445 die "Cannot call enewuser without a username" 455 die "Cannot call enewuser without a username"
446 fi 456 fi
447 457
448 # lets see if the username already exists 458 # lets see if the username already exists
449 if [[ ${euser} == $(egetent passwd "${euser}" | cut -d: -f1) ]] ; then 459 if [[ -n $(egetent passwd "${euser}") ]] ; then
450 return 0 460 return 0
451 fi 461 fi
452 einfo "Adding user '${euser}' to your system ..." 462 einfo "Adding user '${euser}' to your system ..."
453 463
454 # options to pass to useradd 464 # options to pass to useradd
455 local opts= 465 local opts=
456 466
457 # handle uid 467 # handle uid
458 local euid=$1; shift 468 local euid=$1; shift
459 if [[ ! -z ${euid} ]] && [[ ${euid} != "-1" ]] ; then 469 if [[ -n ${euid} && ${euid} != -1 ]] ; then
460 if [[ ${euid} -gt 0 ]] ; then 470 if [[ ${euid} -gt 0 ]] ; then
461 if [[ ! -z $(egetent passwd ${euid}) ]] ; then 471 if [[ -n $(egetent passwd ${euid}) ]] ; then
462 euid="next" 472 euid="next"
463 fi 473 fi
464 else 474 else
465 eerror "Userid given but is not greater than 0 !" 475 eerror "Userid given but is not greater than 0 !"
466 die "${euid} is not a valid UID" 476 die "${euid} is not a valid UID"
467 fi 477 fi
468 else 478 else
469 euid="next" 479 euid="next"
470 fi 480 fi
471 if [[ ${euid} == "next" ]] ; then 481 if [[ ${euid} == "next" ]] ; then
472 for euid in $(seq 101 999) ; do 482 for ((euid = 101; euid <= 999; euid++)); do
473 [[ -z $(egetent passwd ${euid}) ]] && break 483 [[ -z $(egetent passwd ${euid}) ]] && break
474 done 484 done
475 fi 485 fi
476 opts="${opts} -u ${euid}" 486 opts="${opts} -u ${euid}"
477 einfo " - Userid: ${euid}" 487 einfo " - Userid: ${euid}"
491 for shell in /sbin/nologin /usr/sbin/nologin /bin/false /usr/bin/false /dev/null ; do 501 for shell in /sbin/nologin /usr/sbin/nologin /bin/false /usr/bin/false /dev/null ; do
492 [[ -x ${ROOT}${shell} ]] && break 502 [[ -x ${ROOT}${shell} ]] && break
493 done 503 done
494 504
495 if [[ ${shell} == "/dev/null" ]] ; then 505 if [[ ${shell} == "/dev/null" ]] ; then
496 eerror "Unable to identify the shell to use" 506 eerror "Unable to identify the shell to use, proceeding with userland default."
497 die "Unable to identify the shell to use" 507 case ${USERLAND} in
508 GNU) shell="/bin/false" ;;
509 BSD) shell="/sbin/nologin" ;;
510 Darwin) shell="/usr/sbin/nologin" ;;
511 *) die "Unable to identify the default shell for userland ${USERLAND}"
512 esac
498 fi 513 fi
499 514
500 eshell=${shell} 515 eshell=${shell}
501 fi 516 fi
502 einfo " - Shell: ${eshell}" 517 einfo " - Shell: ${eshell}"
631# Default values if you do not specify any: 646# Default values if you do not specify any:
632# groupname: REQUIRED ! 647# groupname: REQUIRED !
633# gid: next available (see groupadd(8)) 648# gid: next available (see groupadd(8))
634# extra: none 649# extra: none
635enewgroup() { 650enewgroup() {
651 case ${EBUILD_PHASE} in
652 unpack|compile|test|install)
653 eerror "'enewgroup()' called from '${EBUILD_PHASE}()' which is not a pkg_* function."
654 eerror "Package fails at QA and at life. Please file a bug."
655 die "Bad package! enewgroup is only for use in pkg_* functions!"
656 esac
657
636 # get the group 658 # get the group
637 local egroup="$1"; shift 659 local egroup="$1"; shift
638 if [ -z "${egroup}" ] 660 if [ -z "${egroup}" ]
639 then 661 then
640 eerror "No group specified !" 662 eerror "No group specified !"
641 die "Cannot call enewgroup without a group" 663 die "Cannot call enewgroup without a group"
642 fi 664 fi
643 665
644 # see if group already exists 666 # see if group already exists
645 if [ "${egroup}" == "`egetent group \"${egroup}\" | cut -d: -f1`" ] 667 if [[ -n $(egetent group "${egroup}") ]]; then
646 then
647 return 0 668 return 0
648 fi 669 fi
649 einfo "Adding group '${egroup}' to your system ..." 670 einfo "Adding group '${egroup}' to your system ..."
650 671
651 # options to pass to useradd 672 # options to pass to useradd
694 fi 715 fi
695 716
696 # If we need the next available 717 # If we need the next available
697 case ${egid} in 718 case ${egid} in
698 *[!0-9]*) # Non numeric 719 *[!0-9]*) # Non numeric
699 for egid in $(seq 101 999); do 720 for ((egid = 101; egid <= 999; egid++)); do
700 [ -z "`egetent group ${egid}`" ] && break 721 [[ -z $(egetent group ${egid}) ]] && break
701 done 722 done
702 esac 723 esac
703 dscl . create /groups/${egroup} gid ${egid} 724 dscl . create /groups/${egroup} gid ${egid}
704 dscl . create /groups/${egroup} passwd '*' 725 dscl . create /groups/${egroup} passwd '*'
705 ;; 726 ;;
706 727
707 *-freebsd*|*-dragonfly*) 728 *-freebsd*|*-dragonfly*)
708 case ${egid} in 729 case ${egid} in
709 *[!0-9]*) # Non numeric 730 *[!0-9]*) # Non numeric
710 for egid in $(seq 101 999); do 731 for ((egid = 101; egid <= 999; egid++)); do
711 [ -z "`egetent group ${egid}`" ] && break 732 [[ -z $(egetent group ${egid}) ]] && break
712 done 733 done
713 esac 734 esac
714 pw groupadd ${egroup} -g ${egid} || die "enewgroup failed" 735 pw groupadd ${egroup} -g ${egid} || die "enewgroup failed"
715 ;; 736 ;;
716 737
717 *-netbsd*) 738 *-netbsd*)
718 case ${egid} in 739 case ${egid} in
719 *[!0-9]*) # Non numeric 740 *[!0-9]*) # Non numeric
720 for egid in $(seq 101 999); do 741 for ((egid = 101; egid <= 999; egid++)); do
721 [ -z "`egetent group ${egid}`" ] && break 742 [[ -z $(egetent group ${egid}) ]] && break
722 done 743 done
723 esac 744 esac
724 groupadd -g ${egid} ${egroup} || die "enewgroup failed" 745 groupadd -g ${egid} ${egroup} || die "enewgroup failed"
725 ;; 746 ;;
726 747
752 773
753# Make a desktop file ! 774# Make a desktop file !
754# Great for making those icons in kde/gnome startmenu ! 775# Great for making those icons in kde/gnome startmenu !
755# Amaze your friends ! Get the women ! Join today ! 776# Amaze your friends ! Get the women ! Join today !
756# 777#
757# make_desktop_entry(<binary>, [name], [icon], [type], [path]) 778# make_desktop_entry(<command>, [name], [icon], [type], [path])
758# 779#
759# binary: what binary does the app run with ? 780# binary: what command does the app run with ?
760# name: the name that will show up in the menu 781# name: the name that will show up in the menu
761# icon: give your little like a pretty little icon ... 782# icon: give your little like a pretty little icon ...
762# this can be relative (to /usr/share/pixmaps) or 783# this can be relative (to /usr/share/pixmaps) or
763# a full path to an icon 784# a full path to an icon
764# type: what kind of application is this ? for categories: 785# type: what kind of application is this ? for categories:
800 games) 821 games)
801 case ${catmin} in 822 case ${catmin} in
802 action) type=ActionGame;; 823 action) type=ActionGame;;
803 arcade) type=ArcadeGame;; 824 arcade) type=ArcadeGame;;
804 board) type=BoardGame;; 825 board) type=BoardGame;;
805 kid) type=KidsGame;; 826 kids) type=KidsGame;;
806 emulation) type=Emulator;; 827 emulation) type=Emulator;;
807 puzzle) type=LogicGame;; 828 puzzle) type=LogicGame;;
808 rpg) type=RolePlaying;; 829 rpg) type=RolePlaying;;
809 roguelike) type=RolePlaying;; 830 roguelike) type=RolePlaying;;
810 simulation) type=Simulation;; 831 simulation) type=Simulation;;
876 local desktop_name="${PN}" 897 local desktop_name="${PN}"
877 else 898 else
878 local desktop_name="${PN}-${SLOT}" 899 local desktop_name="${PN}-${SLOT}"
879 fi 900 fi
880 local desktop=${T}/${exec%% *}-${desktop_name}.desktop 901 local desktop=${T}/${exec%% *}-${desktop_name}.desktop
902# local desktop=${T}/${exec%% *:-${desktop_name}}.desktop
881 903
882echo "[Desktop Entry] 904echo "[Desktop Entry]
883Encoding=UTF-8 905Encoding=UTF-8
884Version=0.9.2 906Version=0.9.2
885Name=${name} 907Name=${name}
886Type=Application 908Type=Application
887Comment=${DESCRIPTION} 909Comment=${DESCRIPTION}
888Exec=${exec} 910Exec=${exec}
911TryExec=${exec%% *}
889Path=${path} 912Path=${path}
890Icon=${icon} 913Icon=${icon}
891Categories=Application;${type};" > "${desktop}" 914Categories=Application;${type};" > "${desktop}"
892 915
893 ( 916 (
898 ) 921 )
899} 922}
900 923
901# Make a GDM/KDM Session file 924# Make a GDM/KDM Session file
902# 925#
903# make_desktop_entry(<title>, <command>) 926# make_session_desktop(<title>, <command>)
904# title: File to execute to start the Window Manager 927# title: File to execute to start the Window Manager
905# command: Name of the Window Manager 928# command: Name of the Window Manager
906 929
907make_session_desktop() { 930make_session_desktop() {
908 [[ -z $1 ]] && eerror "make_session_desktop: You must specify the title" && return 1 931 [[ -z $1 ]] && eerror "make_session_desktop: You must specify the title" && return 1
1096 if [[ -z ${skip} ]] ; then 1119 if [[ -z ${skip} ]] ; then
1097 local ver=$(grep -a '#.*Makeself' "${src}" | awk '{print $NF}') 1120 local ver=$(grep -a '#.*Makeself' "${src}" | awk '{print $NF}')
1098 local skip=0 1121 local skip=0
1099 exe=tail 1122 exe=tail
1100 case ${ver} in 1123 case ${ver} in
1101 1.5.*) # tested 1.5.{3,4,5} ... guessing 1.5.x series is same 1124 1.5.*|1.6.0-nv) # tested 1.5.{3,4,5} ... guessing 1.5.x series is same
1102 skip=$(grep -a ^skip= "${src}" | cut -d= -f2) 1125 skip=$(grep -a ^skip= "${src}" | cut -d= -f2)
1103 ;; 1126 ;;
1104 2.0|2.0.1) 1127 2.0|2.0.1)
1105 skip=$(grep -a ^$'\t'tail "${src}" | awk '{print $2}' | cut -b2-) 1128 skip=$(grep -a ^$'\t'tail "${src}" | awk '{print $2}' | cut -b2-)
1106 ;; 1129 ;;
1186 # accepted ... if we don't find a match, we make the user accept 1209 # accepted ... if we don't find a match, we make the user accept
1187 local shopts=$- 1210 local shopts=$-
1188 local alic 1211 local alic
1189 set -o noglob #so that bash doesn't expand "*" 1212 set -o noglob #so that bash doesn't expand "*"
1190 for alic in ${ACCEPT_LICENSE} ; do 1213 for alic in ${ACCEPT_LICENSE} ; do
1191 if [[ ${alic} == * || ${alic} == ${l} ]]; then 1214 if [[ ${alic} == ${l} ]]; then
1192 set +o noglob; set -${shopts} #reset old shell opts 1215 set +o noglob; set -${shopts} #reset old shell opts
1193 return 0 1216 return 0
1194 fi 1217 fi
1195 done 1218 done
1196 set +o noglob; set -$shopts #reset old shell opts 1219 set +o noglob; set -$shopts #reset old shell opts
1229# and when the function returns, you can assume that the cd has been 1252# and when the function returns, you can assume that the cd has been
1230# found at CDROM_ROOT. 1253# found at CDROM_ROOT.
1231# 1254#
1232# normally the cdrom functions will refer to the cds as 'cd #1', 'cd #2', 1255# normally the cdrom functions will refer to the cds as 'cd #1', 'cd #2',
1233# etc... if you want to give the cds better names, then just export 1256# etc... if you want to give the cds better names, then just export
1234# the CDROM_NAME_X variables before calling cdrom_get_cds(). 1257# the appropriate CDROM_NAME variable before calling cdrom_get_cds().
1258# - CDROM_NAME="fooie cd" - for when you only want 1 cd
1259# - CDROM_NAME_1="install cd" - for when you want more than 1 cd
1260# CDROM_NAME_2="data cd"
1261# - CDROM_NAME_SET=( "install cd" "data cd" ) - short hand for CDROM_NAME_#
1235# 1262#
1236# for those multi cd ebuilds, see the cdrom_load_next_cd() below. 1263# for those multi cd ebuilds, see the cdrom_load_next_cd() below.
1237# 1264#
1238# Usage: cdrom_get_cds <file on cd1> [file on cd2] [file on cd3] [...] 1265# Usage: cdrom_get_cds <file on cd1> [file on cd2] [file on cd3] [...]
1239# - this will attempt to locate a cd based upon a file that is on 1266# - this will attempt to locate a cd based upon a file that is on
1290 echo 1317 echo
1291 einfo "For example:" 1318 einfo "For example:"
1292 einfo "export CD_ROOT=/mnt/cdrom" 1319 einfo "export CD_ROOT=/mnt/cdrom"
1293 echo 1320 echo
1294 else 1321 else
1322 if [[ -n ${CDROM_NAME_SET} ]] ; then
1323 # Translate the CDROM_NAME_SET array into CDROM_NAME_#
1324 cdcnt=0
1325 while [[ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ]] ; do
1326 ((++cdcnt))
1327 export CDROM_NAME_${cdcnt}="${CDROM_NAME_SET[$((${cdcnt}-1))]}"
1328 done
1329 fi
1330
1295 einfo "This package will need access to ${CDROM_TOTAL_CDS} cds." 1331 einfo "This package will need access to ${CDROM_TOTAL_CDS} cds."
1296 cdcnt=0 1332 cdcnt=0
1297 while [[ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ]] ; do 1333 while [[ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ]] ; do
1298 ((++cdcnt)) 1334 ((++cdcnt))
1299 var="CDROM_NAME_${cdcnt}" 1335 var="CDROM_NAME_${cdcnt}"
1421# The -i builds a list of po files found in all the 1457# The -i builds a list of po files found in all the
1422# directories and uses the intersection of the lists. 1458# directories and uses the intersection of the lists.
1423# The -u builds a list of po files found in all the 1459# The -u builds a list of po files found in all the
1424# directories and uses the union of the lists. 1460# directories and uses the union of the lists.
1425strip-linguas() { 1461strip-linguas() {
1426 local ls newls 1462 local ls newls nols
1427 if [[ $1 == "-i" ]] || [[ $1 == "-u" ]] ; then 1463 if [[ $1 == "-i" ]] || [[ $1 == "-u" ]] ; then
1428 local op=$1; shift 1464 local op=$1; shift
1429 ls=" $(find "$1" -name '*.po' -exec basename {} \;) "; shift 1465 ls=$(find "$1" -name '*.po' -exec basename {} .po \;); shift
1430 local d f 1466 local d f
1431 for d in "$@" ; do 1467 for d in "$@" ; do
1432 if [[ ${op} == "-u" ]] ; then 1468 if [[ ${op} == "-u" ]] ; then
1433 newls=${ls} 1469 newls=${ls}
1434 else 1470 else
1435 newls="" 1471 newls=""
1436 fi 1472 fi
1437 for f in $(find "$d" -name '*.po' -exec basename {} \;) ; do 1473 for f in $(find "$d" -name '*.po' -exec basename {} .po \;) ; do
1438 if [[ ${op} == "-i" ]] ; then 1474 if [[ ${op} == "-i" ]] ; then
1439 [[ ${ls/ ${f} /} != ${ls} ]] && newls="${newls} ${f}" 1475 hasq ${f} ${ls} && newls="${newls} ${f}"
1440 else 1476 else
1441 [[ ${ls/ ${f} /} == ${ls} ]] && newls="${newls} ${f}" 1477 hasq ${f} ${ls} || newls="${newls} ${f}"
1442 fi 1478 fi
1443 done 1479 done
1444 ls=${newls} 1480 ls=${newls}
1445 done 1481 done
1446 ls=${ls//.po}
1447 else 1482 else
1448 ls=$@ 1483 ls="$@"
1449 fi 1484 fi
1450 1485
1451 ls=" ${ls} " 1486 nols=""
1452 newls="" 1487 newls=""
1453 for f in ${LINGUAS} ; do 1488 for f in ${LINGUAS} ; do
1454 if [[ ${ls/ ${f} /} != ${ls} ]] ; then 1489 if hasq ${f} ${ls} ; then
1455 newls="${newls} ${f}" 1490 newls="${newls} ${f}"
1456 else 1491 else
1457 ewarn "Sorry, but ${PN} does not support the ${f} LINGUA" 1492 nols="${nols} ${f}"
1458 fi 1493 fi
1459 done 1494 done
1460 if [[ -z ${newls} ]] ; then 1495 [[ -n ${nols} ]] \
1461 export LINGUAS="" 1496 && ewarn "Sorry, but ${PN} does not support the LINGUAs:" ${nols}
1462 else
1463 export LINGUAS=${newls:1} 1497 export LINGUAS=${newls:1}
1464 fi
1465} 1498}
1466 1499
1467# moved from kernel.eclass since they are generally useful outside of 1500# moved from kernel.eclass since they are generally useful outside of
1468# kernel.eclass -iggy (20041002) 1501# kernel.eclass -iggy (20041002)
1469 1502
1560built_with_use() { 1593built_with_use() {
1561 local opt=$1 1594 local opt=$1
1562 [[ ${opt:0:1} = "-" ]] && shift || opt="-a" 1595 [[ ${opt:0:1} = "-" ]] && shift || opt="-a"
1563 1596
1564 local PKG=$(best_version $1) 1597 local PKG=$(best_version $1)
1598 [[ -z ${PKG} ]] && die "Unable to resolve $1 to an installed package"
1565 shift 1599 shift
1566 1600
1567 local USEFILE=${ROOT}/var/db/pkg/${PKG}/USE 1601 local USEFILE=${ROOT}/var/db/pkg/${PKG}/USE
1602 local IUSEFILE=${ROOT}/var/db/pkg/${PKG}/IUSE
1568 1603
1569 # if the USE file doesnt exist, assume the $PKG is either 1604 # if the USE file doesnt exist, assume the $PKG is either
1570 # injected or package.provided 1605 # injected or package.provided
1571 [[ ! -e ${USEFILE} ]] && return 0 1606 [[ ! -e ${USEFILE} ]] && die "Unable to determine what USE flags $PKG was built with"
1607
1608 local IUSE_BUILT=$(<${IUSEFILE})
1609 # Don't check USE_EXPAND #147237
1610 local expand
1611 for expand in $(echo ${USE_EXPAND} | tr '[:upper:]' '[:lower:]') ; do
1612 if [[ $1 == ${expand}_* ]] ; then
1613 expand=""
1614 break
1615 fi
1616 done
1617 if [[ -n ${expand} ]] ; then
1618 has $1 ${IUSE_BUILT} || die "$PKG does not actually support the $1 USE flag!"
1619 fi
1572 1620
1573 local USE_BUILT=$(<${USEFILE}) 1621 local USE_BUILT=$(<${USEFILE})
1574 while [[ $# -gt 0 ]] ; do 1622 while [[ $# -gt 0 ]] ; do
1575 if [[ ${opt} = "-o" ]] ; then 1623 if [[ ${opt} = "-o" ]] ; then
1576 has $1 ${USE_BUILT} && return 0 1624 has $1 ${USE_BUILT} && return 0

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