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Revision 1.69 Revision 1.86
1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2004 Gentoo Technologies, Inc.
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 1.69 2003/11/26 22:13:35 mr_bones_ Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.86 2004/03/25 01:28:11 vapier Exp $
4# 4#
5# Author: Martin Schlemmer <azarah@gentoo.org> 5# Author: Martin Schlemmer <azarah@gentoo.org>
6# 6#
7# This eclass is for general purpose functions that most ebuilds 7# This eclass is for general purpose functions that most ebuilds
8# have to implement themselves. 8# have to implement themselves.
10# NB: If you add anything, please comment it! 10# NB: If you add anything, please comment it!
11 11
12ECLASS=eutils 12ECLASS=eutils
13INHERITED="$INHERITED $ECLASS" 13INHERITED="$INHERITED $ECLASS"
14 14
15newdepend "!bootstrap? ( sys-devel/patch )" 15DEPEND="!bootstrap? ( sys-devel/patch )"
16 16
17DESCRIPTION="Based on the ${ECLASS} eclass" 17DESCRIPTION="Based on the ${ECLASS} eclass"
18 18
19# This function generate linker scripts in /usr/lib for dynamic 19# This function generate linker scripts in /usr/lib for dynamic
20# libs in /lib. This is to fix linking problems when you have 20# libs in /lib. This is to fix linking problems when you have
422 jobs="$((`grep "^cpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))" 422 jobs="$((`grep "^cpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
423 else 423 else
424 jobs=2 424 jobs=2
425 fi 425 fi
426 426
427 elif [ "${ARCH}" = "ppc" ] 427 elif [ "${ARCH}" = "ppc" -o "${ARCH}" = "ppc64" ]
428 then 428 then
429 # ppc has "processor", but only when compiled with SMP 429 # ppc has "processor", but only when compiled with SMP
430 if [ "`grep -c "^processor" /proc/cpuinfo`" -eq 1 ] 430 if [ "`grep -c "^processor" /proc/cpuinfo`" -eq 1 ]
431 then 431 then
432 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))" 432 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
456 fi 456 fi
457 fi 457 fi
458} 458}
459 459
460# Cheap replacement for when debianutils (and thus mktemp) 460# Cheap replacement for when debianutils (and thus mktemp)
461# do not exist on the users system 461# does not exist on the users system
462# vapier@gentoo.org 462# vapier@gentoo.org
463# 463#
464# Takes just 1 parameter (the directory to create tmpfile in) 464# Takes just 1 parameter (the directory to create tmpfile in)
465mymktemp() { 465mymktemp() {
466 local topdir="$1" 466 local topdir="$1"
496 then 496 then
497 eerror "No username specified !" 497 eerror "No username specified !"
498 die "Cannot call enewuser without a username" 498 die "Cannot call enewuser without a username"
499 fi 499 fi
500 500
501 # setup a file for testing usernames/groups
502 local tmpfile="`mymktemp ${T}`"
503 chown ${euser} ${tmpfile} >& /dev/null
504 local realuser="`ls -l ${tmpfile} | awk '{print $3}'`"
505
506 # see if user already exists 501 # lets see if the username already exists
507 if [ "${euser}" == "${realuser}" ] 502 if [ "${euser}" == "`getent passwd \"${euser}\" | cut -d: -f1`" ]
508 then 503 then
509 return 0 504 return 0
510 fi 505 fi
511 einfo "Adding user '${euser}' to your system ..." 506 einfo "Adding user '${euser}' to your system ..."
512 507
517 local euid="$1"; shift 512 local euid="$1"; shift
518 if [ ! -z "${euid}" ] && [ "${euid}" != "-1" ] 513 if [ ! -z "${euid}" ] && [ "${euid}" != "-1" ]
519 then 514 then
520 if [ "${euid}" -gt 0 ] 515 if [ "${euid}" -gt 0 ]
521 then 516 then
522 opts="${opts} -u ${euid}" 517 if [ ! -z "`getent passwd ${euid}`" ]
518 then
519 euid="next"
520 fi
523 else 521 else
524 eerror "Userid given but is not greater than 0 !" 522 eerror "Userid given but is not greater than 0 !"
525 die "${euid} is not a valid UID" 523 die "${euid} is not a valid UID"
526 fi 524 fi
527 else 525 else
528 euid="next available" 526 euid="next"
529 fi 527 fi
528 if [ "${euid}" == "next" ]
529 then
530 for euid in `seq 101 999` ; do
531 [ -z "`getent passwd ${euid}`" ] && break
532 done
533 fi
534 opts="${opts} -u ${euid}"
530 einfo " - Userid: ${euid}" 535 einfo " - Userid: ${euid}"
531 536
532 # handle shell 537 # handle shell
533 local eshell="$1"; shift 538 local eshell="$1"; shift
534 if [ ! -z "${eshell}" ] && [ "${eshell}" != "-1" ] 539 if [ ! -z "${eshell}" ] && [ "${eshell}" != "-1" ]
555 560
556 # handle groups 561 # handle groups
557 local egroups="$1"; shift 562 local egroups="$1"; shift
558 if [ ! -z "${egroups}" ] 563 if [ ! -z "${egroups}" ]
559 then 564 then
560 local realgroup=
561 local oldifs="${IFS}" 565 local oldifs="${IFS}"
562 export IFS="," 566 export IFS=","
563 for g in ${egroups} 567 for g in ${egroups}
564 do 568 do
565 chgrp ${g} ${tmpfile} >& /dev/null 569 if [ -z "`getent group \"${g}\"`" ]
566 realgroup="`ls -l ${tmpfile} | awk '{print $4}'`"
567 if [ "${g}" != "${realgroup}" ]
568 then 570 then
569 eerror "You must add ${g} to the system first" 571 eerror "You must add group ${g} to the system first"
570 die "${g} is not a valid GID" 572 die "${g} is not a valid GID"
571 fi 573 fi
572 done 574 done
573 export IFS="${oldifs}" 575 export IFS="${oldifs}"
574 opts="${opts} -g ${egroups}" 576 opts="${opts} -g ${egroups}"
618 then 620 then
619 eerror "No group specified !" 621 eerror "No group specified !"
620 die "Cannot call enewgroup without a group" 622 die "Cannot call enewgroup without a group"
621 fi 623 fi
622 624
623 # setup a file for testing groupname
624 local tmpfile="`mymktemp ${T}`"
625 chgrp ${egroup} ${tmpfile} >& /dev/null
626 local realgroup="`ls -l ${tmpfile} | awk '{print $4}'`"
627
628 # see if group already exists 625 # see if group already exists
629 if [ "${egroup}" == "${realgroup}" ] 626 if [ "${egroup}" == "`getent group \"${egroup}\" | cut -d: -f1`" ]
630 then 627 then
631 return 0 628 return 0
632 fi 629 fi
633 einfo "Adding group '${egroup}' to your system ..." 630 einfo "Adding group '${egroup}' to your system ..."
634 631
639 local egid="$1"; shift 636 local egid="$1"; shift
640 if [ ! -z "${egid}" ] 637 if [ ! -z "${egid}" ]
641 then 638 then
642 if [ "${egid}" -gt 0 ] 639 if [ "${egid}" -gt 0 ]
643 then 640 then
641 if [ -z "`getent group ${egid}`" ]
642 then
644 opts="${opts} -g ${egid}" 643 opts="${opts} -g ${egid}"
644 else
645 egid="next available; requested gid taken"
646 fi
645 else 647 else
646 eerror "Groupid given but is not greater than 0 !" 648 eerror "Groupid given but is not greater than 0 !"
647 die "${egid} is not a valid GID" 649 die "${egid} is not a valid GID"
648 fi 650 fi
649 else 651 else
696 698
697 local exec="${1}" 699 local exec="${1}"
698 local name="${2:-${PN}}" 700 local name="${2:-${PN}}"
699 local icon="${3:-${PN}.png}" 701 local icon="${3:-${PN}.png}"
700 local type="${4}" 702 local type="${4}"
703 local subdir="${6}"
701 local path="${5:-${GAMES_PREFIX}}" 704 local path="${5:-${GAMES_PREFIX}}"
702 if [ -z "${type}" ] 705 if [ -z "${type}" ]
703 then 706 then
704 case ${CATEGORY} in 707 case ${CATEGORY} in
705 "app-emulation") 708 "app-emulation")
706 type=Emulator 709 type=Emulator
710 subdir="Emulation"
707 ;; 711 ;;
708 "games-"*) 712 "games-"*)
709 type=Game 713 type=Game
714 subdir="Games"
710 ;; 715 ;;
711 "net-"*) 716 "net-"*)
712 type=Network; 717 type=Network
718 subdir="${type}"
713 ;; 719 ;;
714 *) 720 *)
715 type= 721 type=
722 subdir=
716 ;; 723 ;;
717 esac 724 esac
718 fi 725 fi
719 local desktop="${T}/${exec}.desktop" 726 local desktop="${T}/${exec}.desktop"
720 727
750 # done 757 # done
751 #fi 758 #fi
752 759
753 if [ -d "/usr/share/applnk" ] 760 if [ -d "/usr/share/applnk" ]
754 then 761 then
755 insinto /usr/share/applnk/${type} 762 insinto /usr/share/applnk/${subdir}
756 doins ${desktop} 763 doins ${desktop}
757 fi 764 fi
758 765
759 return 0 766 return 0
760} 767}
761 768
762# new convenience patch wrapper function to eventually replace epatch(), 769# for internal use only (unpack_pdv and unpack_makeself)
763# $PATCHES, $PATCHES1, src_unpack:patch, src_unpack:autopatch and 770find_unpackable_file() {
764# /usr/bin/patch 771 local src="$1"
765# Features:
766# - bulk patch handling similar to epatch()'s
767# - automatic patch level detection like epatch()'s
768# - automatic patch uncompression like epatch()'s
769# - doesn't have the --dry-run overhead of epatch() - inspects patchfiles
770# manually instead
771# - once I decide it's production-ready, it'll be called from base_src_unpack
772# to handle $PATCHES to avoid defining src_unpack just to use xpatch
773
774# accepts zero or more parameters specifying patchfiles and/or patchdirs
775
776# known issues:
777# - only supports unified style patches (does anyone _really_ use anything
778# else?)
779# - because it doesn't use --dry-run there is a risk of it failing
780# to find the files to patch, ie detect the patchlevel, properly. It doesn't use
781# any of the backup heuristics that patch employs to discover a filename.
782# however, this isn't dangerous because if it works for the developer who's
783# writing the ebuild, it'll always work for the users, and if it doesn't,
784# then we'll fix it :-)
785# - no support as yet for patches applying outside $S (and not directly in $WORKDIR).
786xpatch() {
787
788 debug-print-function ${FUNCNAME} $*
789
790 local list=
791 local list2=
792 declare -i plevel
793
794 # parse patch sources
795 for x in $*
796 do
797 debug-print "${FUNCNAME}: parsing parameter ${x}"
798 if [ -f "${x}" ] 772 if [ -z "${src}" ]
799 then 773 then
800 list="${list} ${x}" 774 src="${DISTDIR}/${A}"
801 elif [ -d "${x}" ] 775 else
802 then 776 if [ -e "${DISTDIR}/${src}" ]
803 # handles patchdirs like epatch() for now: no recursion.
804 # patches are sorted by filename, so with an xy_foo naming scheme you'll get the right order.
805 # only patches with _$ARCH_ or _all_ in their filenames are applied.
806 for file in `ls -A ${x}`
807 do
808 debug-print "${FUNCNAME}: parsing in subdir: file ${file}"
809 if [ -f "${x}/${file}" -a "${file}" != "${file/_all_}" -o \
810 "${file}" != "${file/_$ARCH_}" ]
811 then 777 then
812 list2="${list2} ${x}/${file}" 778 src="${DISTDIR}/${src}"
779 elif [ -e "${PWD}/${src}" ]
780 then
781 src="${PWD}/${src}"
782 elif [ -e "${src}" ]
783 then
784 src="${src}"
813 fi 785 fi
814 done 786 fi
815 list="`echo ${list2} | sort` ${list}" 787 [ ! -e "${src}" ] && die "Could not find requested archive ${src}"
788 echo "${src}"
789}
790
791# Unpack those pesky pdv generated files ...
792# They're self-unpacking programs with the binary package stuffed in
793# the middle of the archive. Valve seems to use it a lot ... too bad
794# it seems to like to segfault a lot :(. So lets take it apart ourselves.
795#
796# Usage: unpack_pdv [file to unpack] [size of off_t]
797# - you have to specify the off_t size ... i have no idea how to extract that
798# information out of the binary executable myself. basically you pass in
799# the size of the off_t type (in bytes) on the machine that built the pdv
800# archive. one way to determine this is by running the following commands:
801# strings <pdv archive> | grep lseek
802# strace -elseek <pdv archive>
803# basically look for the first lseek command (we do the strings/grep because
804# sometimes the function call is _llseek or something) and steal the 2nd
805# parameter. here is an example:
806# root@vapier 0 pdv_unpack # strings hldsupdatetool.bin | grep lseek
807# lseek
808# root@vapier 0 pdv_unpack # strace -elseek ./hldsupdatetool.bin
809# lseek(3, -4, SEEK_END) = 2981250
810# thus we would pass in the value of '4' as the second parameter.
811unpack_pdv() {
812 local src="`find_unpackable_file $1`"
813 local sizeoff_t="$2"
814
815 [ -z "${sizeoff_t}" ] && die "No idea what off_t size was used for this pdv :("
816
817 local shrtsrc="`basename ${src}`"
818 echo ">>> Unpacking ${shrtsrc} to ${PWD}"
819 local metaskip=`tail -c ${sizeoff_t} ${src} | hexdump -e \"%i\"`
820 local tailskip=`tail -c $((${sizeoff_t}*2)) ${src} | head -c ${sizeoff_t} | hexdump -e \"%i\"`
821
822 # grab metadata for debug reasons
823 local metafile="`mymktemp ${T}`"
824 tail -c +$((${metaskip}+1)) ${src} > ${metafile}
825
826 # rip out the final file name from the metadata
827 local datafile="`tail -c +$((${metaskip}+1)) ${src} | strings | head -n 1`"
828 datafile="`basename ${datafile}`"
829
830 # now lets uncompress/untar the file if need be
831 local tmpfile="`mymktemp ${T}`"
832 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null | head -c 512 > ${tmpfile}
833
834 local iscompressed="`file -b ${tmpfile}`"
835 if [ "${iscompressed:0:8}" == "compress" ] ; then
836 iscompressed=1
837 mv ${tmpfile}{,.Z}
838 gunzip ${tmpfile}
839 else
840 iscompressed=0
841 fi
842 local istar="`file -b ${tmpfile}`"
843 if [ "${istar:0:9}" == "POSIX tar" ] ; then
844 istar=1
845 else
846 istar=0
847 fi
848
849 #for some reason gzip dies with this ... dd cant provide buffer fast enough ?
850 #dd if=${src} ibs=${metaskip} count=1 \
851 # | dd ibs=${tailskip} skip=1 \
852 # | gzip -dc \
853 # > ${datafile}
854 if [ ${iscompressed} -eq 1 ] ; then
855 if [ ${istar} -eq 1 ] ; then
856 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
857 | head -c $((${metaskip}-${tailskip})) \
858 | tar -xzf -
816 else 859 else
817 die "Couldn't find ${x}" 860 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
861 | head -c $((${metaskip}-${tailskip})) \
862 | gzip -dc \
863 > ${datafile}
864 fi
865 else
866 if [ ${istar} -eq 1 ] ; then
867 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
868 | head -c $((${metaskip}-${tailskip})) \
869 | tar --no-same-owner -xf -
870 else
871 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
872 | head -c $((${metaskip}-${tailskip})) \
873 > ${datafile}
874 fi
818 fi 875 fi
819 done 876 true
820 877 #[ -s "${datafile}" ] || die "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"
821 debug-print "${FUNCNAME}: final list of patches: ${list}" 878 #assert "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"
822
823 for x in ${list};
824 do
825 debug-print "${FUNCNAME}: processing ${x}"
826 # deal with compressed files. /usr/bin/file is in the system profile, or should be.
827 case "`/usr/bin/file -b ${x}`" in
828 *gzip*)
829 patchfile="${T}/current.patch"
830 ungzip -c "${x}" > "${patchfile}"
831 ;;
832 *bzip2*)
833 patchfile="${T}/current.patch"
834 bunzip2 -c "${x}" > "${patchfile}"
835 ;;
836 *text*)
837 patchfile="${x}"
838 ;;
839 *)
840 die "Could not determine filetype of patch ${x}"
841 ;;
842 esac
843 debug-print "${FUNCNAME}: patchfile=${patchfile}"
844
845 # determine patchlevel. supports p0 and higher with either $S or $WORKDIR as base.
846 target="`/bin/grep -m 1 '^+++ ' ${patchfile}`"
847 debug-print "${FUNCNAME}: raw target=${target}"
848 # strip target down to the path/filename, remove leading +++
849 target="${target/+++ }"; target="${target%% *}"
850 # duplicate slashes are discarded by patch wrt the patchlevel. therefore we need
851 # to discard them as well to calculate the correct patchlevel.
852 target="${target//\/\//\/}"
853 debug-print "${FUNCNAME}: stripped target=${target}"
854
855 # look for target
856 for basedir in "${S}" "${WORKDIR}" "${PWD}"; do
857 debug-print "${FUNCNAME}: looking in basedir=${basedir}"
858 cd "${basedir}"
859
860 # try stripping leading directories
861 target2="${target}"
862 plevel=0
863 debug-print "${FUNCNAME}: trying target2=${target2}, plevel=${plevel}"
864 while [ ! -f "${target2}" ]
865 do
866 target2="${target2#*/}" # removes piece of target2 upto the first occurence of /
867 plevel=$((plevel+1))
868 debug-print "${FUNCNAME}: trying target2=${target2}, plevel=${plevel}"
869 [ "${target2}" == "${target2/\/}" ] && break
870 done
871 test -f "${target2}" && break
872
873 # try stripping filename - needed to support patches creating new files
874 target2="${target%/*}"
875 plevel=0
876 debug-print "${FUNCNAME}: trying target2=${target2}, plevel=${plevel}"
877 while [ ! -d "${target2}" ]
878 do
879 target2="${target2#*/}" # removes piece of target2 upto the first occurence of /
880 plevel=$((plevel+1))
881 debug-print "${FUNCNAME}: trying target2=${target2}, plevel=${plevel}"
882 [ "${target2}" == "${target2/\/}" ] && break
883 done
884 test -d "${target2}" && break
885
886 done
887
888 test -f "${basedir}/${target2}" || test -d "${basedir}/${target2}" \
889 || die "Could not determine patchlevel for ${x}"
890 debug-print "${FUNCNAME}: determined plevel=${plevel}"
891 # do the patching
892 ebegin "Applying patch ${x##*/}..."
893 /usr/bin/patch -p${plevel} < "${patchfile}" > /dev/null \
894 || die "Failed to apply patch ${x}"
895 eend $?
896
897 done
898
899} 879}
900 880
901# Unpack those pesky makeself generated files ... 881# Unpack those pesky makeself generated files ...
902# They're shell scripts with the binary package tagged onto 882# They're shell scripts with the binary package tagged onto
903# the end of the archive. Loki utilized the format as does 883# the end of the archive. Loki utilized the format as does
906# Usage: unpack_makeself [file to unpack] [offset] 886# Usage: unpack_makeself [file to unpack] [offset]
907# - If the file is not specified then unpack will utilize ${A}. 887# - If the file is not specified then unpack will utilize ${A}.
908# - If the offset is not specified then we will attempt to extract 888# - If the offset is not specified then we will attempt to extract
909# the proper offset from the script itself. 889# the proper offset from the script itself.
910unpack_makeself() { 890unpack_makeself() {
911 local src="$1" 891 local src="`find_unpackable_file $1`"
912 local skip="$2" 892 local skip="$2"
913
914 if [ -z "${src}" ]
915 then
916 src="${DISTDIR}/${A}"
917 else
918 if [ -e "${DISTDIR}/${src}" ]
919 then
920 src="${DISTDIR}/${src}"
921 elif [ -e "${PWD}/${src}" ]
922 then
923 src="${PWD}/${src}"
924 elif [ -e "${src}" ]
925 then
926 src="${src}"
927 fi
928 fi
929 [ ! -e "${src}" ] && die "Could not find requested makeself archive ${src}"
930 893
931 local shrtsrc="`basename ${src}`" 894 local shrtsrc="`basename ${src}`"
932 echo ">>> Unpacking ${shrtsrc} to ${PWD}" 895 echo ">>> Unpacking ${shrtsrc} to ${PWD}"
933 if [ -z "${skip}" ] 896 if [ -z "${skip}" ]
934 then 897 then
968 local tmpfile="`mymktemp ${T}`" 931 local tmpfile="`mymktemp ${T}`"
969 tail -n +${skip} ${src} 2>/dev/null | head -c 512 > ${tmpfile} 932 tail -n +${skip} ${src} 2>/dev/null | head -c 512 > ${tmpfile}
970 local filetype="`file -b ${tmpfile}`" 933 local filetype="`file -b ${tmpfile}`"
971 case ${filetype} in 934 case ${filetype} in
972 *tar\ archive) 935 *tar\ archive)
973 tail -n +${skip} ${src} | tar -xf - 936 tail -n +${skip} ${src} | tar --no-same-owner -xf -
974 ;; 937 ;;
975 bzip2*) 938 bzip2*)
976 tail -n +${skip} ${src} | bzip2 -dc | tar -xf - 939 tail -n +${skip} ${src} | bzip2 -dc | tar --no-same-owner -xf -
977 ;; 940 ;;
978 gzip*) 941 gzip*)
979 tail -n +${skip} ${src} | tar -xzf - 942 tail -n +${skip} ${src} | tar --no-same-owner -xzf -
980 ;; 943 ;;
981 *) 944 *)
982 false 945 false
983 ;; 946 ;;
984 esac 947 esac
1006 local l="`basename ${lic}`" 969 local l="`basename ${lic}`"
1007 970
1008 # here is where we check for the licenses the user already 971 # here is where we check for the licenses the user already
1009 # accepted ... if we don't find a match, we make the user accept 972 # accepted ... if we don't find a match, we make the user accept
1010 local alic 973 local alic
1011 for alic in ${ACCEPT_LICENSE} ; do 974 for alic in "${ACCEPT_LICENSE}" ; do
1012 [ "${alic}" == "*" ] && return 0 975 [ "${alic}" == "*" ] && return 0
1013 [ "${alic}" == "${l}" ] && return 0 976 [ "${alic}" == "${l}" ] && return 0
1014 done 977 done
1015 978
1016 local licmsg="`mymktemp ${T}`" 979 local licmsg="`mymktemp ${T}`"
1036 eerror "You MUST accept the license to continue! Exiting!" 999 eerror "You MUST accept the license to continue! Exiting!"
1037 die "Failed to accept license" 1000 die "Failed to accept license"
1038 ;; 1001 ;;
1039 esac 1002 esac
1040} 1003}
1004
1005# Aquire cd(s) for those lovely cd-based emerges. Yes, this violates
1006# the whole 'non-interactive' policy, but damnit I want CD support !
1007#
1008# with these cdrom functions we handle all the user interaction and
1009# standardize everything. all you have to do is call cdrom_get_cds()
1010# and when the function returns, you can assume that the cd has been
1011# found at CDROM_ROOT.
1012#
1013# normally the cdrom functions will refer to the cds as 'cd #1', 'cd #2',
1014# etc... if you want to give the cds better names, then just export
1015# the CDROM_NAME_X variables before calling cdrom_get_cds().
1016#
1017# for those multi cd ebuilds, see the cdrom_load_next_cd() below.
1018#
1019# Usage: cdrom_get_cds <file on cd1> [file on cd2] [file on cd3] [...]
1020# - this will attempt to locate a cd based upon a file that is on
1021# the cd ... the more files you give this function, the more cds
1022# the cdrom functions will handle
1023cdrom_get_cds() {
1024 # first we figure out how many cds we're dealing with by
1025 # the # of files they gave us
1026 local cdcnt=0
1027 local f=
1028 for f in "$@" ; do
1029 cdcnt=$((cdcnt + 1))
1030 export CDROM_CHECK_${cdcnt}="$f"
1031 done
1032 export CDROM_TOTAL_CDS=${cdcnt}
1033 export CDROM_CURRENT_CD=1
1034
1035 # now we see if the user gave use CD_ROOT ...
1036 # if they did, let's just believe them that it's correct
1037 if [ ! -z "${CD_ROOT}" ] ; then
1038 export CDROM_ROOT="${CD_ROOT}"
1039 einfo "Found CD #${CDROM_CURRENT_CD} root at ${CDROM_ROOT}"
1040 return
1041 fi
1042 # do the same for CD_ROOT_X
1043 if [ ! -z "${CD_ROOT_1}" ] ; then
1044 local var=
1045 cdcnt=0
1046 while [ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ] ; do
1047 cdcnt=$((cdcnt + 1))
1048 var="CD_ROOT_${cdcnt}"
1049 if [ -z "${!var}" ] ; then
1050 eerror "You must either use just the CD_ROOT"
1051 eerror "or specify ALL the CD_ROOT_X variables."
1052 eerror "In this case, you will need ${CDROM_TOTAL_CDS} CD_ROOT_X variables."
1053 die "could not locate CD_ROOT_${cdcnt}"
1054 fi
1055 export CDROM_ROOTS_${cdcnt}="${!var}"
1056 done
1057 export CDROM_ROOT=${CDROM_ROOTS_1}
1058 einfo "Found CD #${CDROM_CURRENT_CD} root at ${CDROM_ROOT}"
1059 return
1060 fi
1061
1062 if [ ${CDROM_TOTAL_CDS} -eq 1 ] ; then
1063 einfon "This ebuild will need the "
1064 if [ -z "${CDROM_NAME}" ] ; then
1065 echo "cdrom for ${PN}."
1066 else
1067 echo "${CDROM_NAME}."
1068 fi
1069 echo
1070 einfo "If you do not have the CD, but have the data files"
1071 einfo "mounted somewhere on your filesystem, just export"
1072 einfo "the variable CD_ROOT so that it points to the"
1073 einfo "directory containing the files."
1074 echo
1075 else
1076 einfo "This package will need access to ${CDROM_TOTAL_CDS} cds."
1077 cdcnt=0
1078 while [ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ] ; do
1079 cdcnt=$((cdcnt + 1))
1080 var="CDROM_NAME_${cdcnt}"
1081 [ ! -z "${!var}" ] && einfo " CD ${cdcnt}: ${!var}"
1082 done
1083 echo
1084 einfo "If you do not have the CDs, but have the data files"
1085 einfo "mounted somewhere on your filesystem, just export"
1086 einfo "the following variables so they point to the right place:"
1087 einfon ""
1088 cdcnt=0
1089 while [ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ] ; do
1090 cdcnt=$((cdcnt + 1))
1091 echo -n " CD_ROOT_${cdcnt}"
1092 done
1093 echo
1094 einfo "Or, if you have all the files in the same place, or"
1095 einfo "you only have one cdrom, you can export CD_ROOT"
1096 einfo "and that place will be used as the same data source"
1097 einfo "for all the CDs."
1098 echo
1099 fi
1100 export CDROM_CURRENT_CD=0
1101 cdrom_load_next_cd
1102}
1103
1104# this is only used when you need access to more than one cd.
1105# when you have finished using the first cd, just call this function.
1106# when it returns, CDROM_ROOT will be pointing to the second cd.
1107# remember, you can only go forward in the cd chain, you can't go back.
1108cdrom_load_next_cd() {
1109 export CDROM_CURRENT_CD=$((CDROM_CURRENT_CD + 1))
1110 local var=
1111
1112 if [ ! -z "${CD_ROOT}" ] ; then
1113 einfo "Using same root as before for CD #${CDROM_CURRENT_CD}"
1114 return
1115 fi
1116
1117 unset CDROM_ROOT
1118 var=CDROM_ROOTS_${CDROM_CURRENT_CD}
1119 if [ -z "${!var}" ] ; then
1120 var="CDROM_CHECK_${CDROM_CURRENT_CD}"
1121 cdrom_locate_file_on_cd ${!var}
1122 else
1123 export CDROM_ROOT="${!var}"
1124 fi
1125
1126 einfo "Found CD #${CDROM_CURRENT_CD} root at ${CDROM_ROOT}"
1127}
1128
1129# this is used internally by the cdrom_get_cds() and cdrom_load_next_cd()
1130# functions. this should *never* be called from an ebuild.
1131# all it does is try to locate a give file on a cd ... if the cd isn't
1132# found, then a message asking for the user to insert the cdrom will be
1133# displayed and we'll hang out here until:
1134# (1) the file is found on a mounted cdrom
1135# (2) the user hits CTRL+C
1136cdrom_locate_file_on_cd() {
1137 while [ -z "${CDROM_ROOT}" ] ; do
1138 local dir="$(dirname ${@})"
1139 local file="$(basename ${@})"
1140 local mline=""
1141 local showedmsg=0
1142
1143 for mline in `mount | egrep -e '(iso|cdrom)' | awk '{print $3}'` ; do
1144 [ -d "${mline}/${dir}" ] || continue
1145 [ ! -z "$(find ${mline}/${dir} -iname ${file} -maxdepth 1)" ] \
1146 && export CDROM_ROOT=${mline}
1147 done
1148
1149 if [ -z "${CDROM_ROOT}" ] ; then
1150 echo
1151 if [ ${showedmsg} -eq 0 ] ; then
1152 if [ ${CDROM_TOTAL_CDS} -eq 1 ] ; then
1153 if [ -z "${CDROM_NAME}" ] ; then
1154 einfo "Please insert the cdrom for ${PN} now !"
1155 else
1156 einfo "Please insert the ${CDROM_NAME} cdrom now !"
1157 fi
1158 else
1159 if [ -z "${CDROM_NAME_1}" ] ; then
1160 einfo "Please insert cd #${CDROM_CURRENT_CD} for ${PN} now !"
1161 else
1162 local var="CDROM_NAME_${CDROM_CURRENT_CD}"
1163 einfo "Please insert+mount the ${!var} cdrom now !"
1164 fi
1165 fi
1166 showedmsg=1
1167 fi
1168 einfo "Press return to scan for the cd again"
1169 einfo "or hit CTRL+C to abort the emerge."
1170 read
1171 fi
1172 done
1173}

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