....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! 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Current File : /usr/share/dbconfig-common/dpkg/postinst
# -*- mode: sh -*-
###
### load up common variables and functions
###
dbc_go(){
    local importing_from_non_dbc upgrading reconfiguring f tsubstfile upgrades_pending dbc_dumpfile _dbc_asuser reinstall nowtime need_adminpw _tmp_result

    . /usr/share/dbconfig-common/dpkg/common
    _dbc_debug "(postinst) dbc_go() $@"

    ## With dbconfig-no-thanks installed we don't need to do anything.
    if dbc_no_thanks ; then
        return 0
    fi

    dbc_config "$@" || return $?
    # the maintainer has the option of telling us to not generate include files
    # for manual installs in case it changes the apps behavior to have the file
    dbc_dgi_on_manual=${dbc_dgi_on_manual:-true}

    ###
    ### begin main code execution
    ###
    if [ "$dbc_command" = "configure" ] || [ "$dbc_command" = "reconfigure" ];
    then
        # read in debconf responses (which are seeded from the config)
        dbc_read_package_debconf || return $?
        # and write them to file.
        dbc_write_package_config || return $?
        # finally, re-read in the configuration from this file
        dbc_read_package_config || return $?

        ###
        ### if they don't want our help, quit
        ###
        if [ "$dbc_install" != "true" ]; then
            # Probably a little too much in most cases, but it is possible
            # that the app password is loaded or that the user backed up after
            # providing the admin password and decided not too install in the end
            dbc_postinst_cleanup || return $?
            return 0
        fi

        # export the config file if it exists, for the scripts
        if [ "$dbc_generate_include" ]; then
            # strip the leading format string for convenience
            dbc_config_include=$(echo "$dbc_generate_include" | sed -e 's/^[^:]*://')
            export dbc_generate_include
            export dbc_config_include
        fi

        # find out if we're upgrading/reinstalling
        if [ "$dbc_oldversion" ]; then
            # read that little crumb left in config if we're reconfiguring
            db_get $dbc_package/internal/reconfiguring && reconfiguring="$RET"
            # if not, we're definitely upgrading
            if [ "$reconfiguring" = "false" ]; then
                upgrading="yes"
            else
                db_get $dbc_package/dbconfig-reinstall && reinstall=$RET
                # if they've said they don't want to reinstall stuff...
                if [ "$reinstall" = "false" ]; then
                    dbc_postinst_cleanup
                    return 0
                fi
            fi
        fi

        # now, determine if we're upgrading from a non-dbc version.  if so,
        # there's a bunch of stuff that we do NOT want to do
        if [ "$upgrading" ] && [ "$dbc_first_version" ]; then
            if dpkg --compare-versions "$dbc_first_version" gt "$dbc_oldversion"; then
                dbc_logline "detected upgrade from previous non-dbconfig version"
                importing_from_non_dbc="true"
            fi
        fi

        # don't perform the following block of code during upgrades
        if [ ! "$upgrading" ]; then
            ###
            ### first things first, see if the database client package is installed,
            ### and in case of failure provide a more sensible error message.
            ###
            dbc_detect_installed_dbtype $dbc_dbtype || \
                dbc_missing_db_package_error $dbc_dbclientpackage || return $?
            [ "$dbc_tried_again" ] && return 0

            ###
            ### next, if we're connecting to a local database,
            ### see if the database server package is installed,
            ### and in case of failure provide a more sensible error message.
            ###
            if [ "$dbc_method" = "unix socket" ]; then
                $dbc_db_installed_cmd || dbc_missing_db_package_error $dbc_dbpackage || \
                    return $?
                [ "$dbc_tried_again" ] && return 0
            fi

            ###
            ### now, create the app user account
            ###

            # We check in multiple locations if we need the admin password to
            # either create the user and/or the database and/or run admin
            # scripts. We do that here in postinst instead of during config
            # because we want to avoid asking the password as much as possible
            # to enable setups where the system admin doesn't have database
            # admin rights (mostly remote db setups) and the installing package
            # doesn't need it for its scripts.

            _dbc_asuser=true
            _tmp_result=0
            $dbc_checkuser_cmd || _tmp_result=$?
            _dbc_asuser=""
            if [ $_tmp_result = 0 ] ; then
                dbc_logline "$dbc_dbuser already exists and has privileges on $dbc_dbname"
            else
                dbc_get_admin_pass || dbc_install_error "obtaining administator password" || return $?
                [ "$dbc_tried_again" ] && return 0
                $dbc_createuser_cmd || dbc_install_error "creating user" || return $?
                [ "$dbc_tried_again" ] && return 0
            fi
            
            ###
            ### If we are reconfiguring, we should empty the old database
            ### to prevent errors like "table exists".
            ###
            if [ "$reconfiguring" = "true" ]; then
                # dump the database into a temporary file
                # Note: nearly equal logic exists in prerm; probably
                # should stay in sync
                nowtime=$(date +%Y-%m-%d-%H.%M)
                if [ ! $(dirname /var/tmp/$dbc_package) = /var/tmp ]; then
                    mkdir -p $(dirname /var/tmp/$dbc_package)
                fi
                dbc_dumpfile=$(mktemp /var/tmp/$dbc_package.$dbc_dbname.$nowtime.$dbc_dbtype.XXXXXX)
                if [ ! -f $dbc_dumpfile ]; then
                    dbc_install_error "creating temporary file for database dump" || return $?
                    [ "$dbc_tried_again" ] && return 0
                fi

                dbc_logline "dbconfig-common: dumping $dbc_dbtype database $dbc_dbname to $dbc_dumpfile"
                # Dump as user to enable admin password agnostic setups.
                _dbc_asuser=true
                _tmp_result=0
                $dbc_dump_cmd $dbc_dumpfile || _tmp_result=$?
                if [ $_tmp_result != 0 ] ; then
                    # If the dump fails as user, try again with dbadmin credentials (bug: #850190)
                    dbc_logline "dumping database as user failed, retrying with administrator credentials"
                    dbc_get_admin_pass || dbc_install_error "obtaining administator password" || \
                        return $?
                    [ "$dbc_tried_again" ] && return 0
                    _dbc_asuser=""
                    $dbc_dump_cmd $dbc_dumpfile || dbc_install_error "dumping old database" || \
                        return $?
                    [ "$dbc_tried_again" ] && return 0
                fi
                _dbc_asuser=""

                dbc_logline "dbconfig-common: dropping old $dbc_dbtype database $dbc_dbname"
                # Drop as user if possible to enable admin password agnostic
                # setups. Currently PostgreSQL doesn't support this.
                if [ "$dbc_dbtype" = pgsql ] ; then
                    dbc_get_admin_pass || dbc_install_error "obtaining administator password" || return $?
                    [ "$dbc_tried_again" ] && return 0
                else
                    _dbc_asuser=true
                fi
                $dbc_dropdb_cmd || dbc_install_error "dropping old database" || return $?
                [ "$dbc_tried_again" ] && return 0
                _dbc_asuser=""
            fi

            ###
            ### create the database
            ###

            # Create database as user if possible to enable admin password
            # agnostic setups. Currently PostgreSQL doesn't support this.
            if [ "$dbc_dbtype" = pgsql ] ; then
                dbc_get_admin_pass || dbc_install_error "obtaining administator password" || return $?
                [ "$dbc_tried_again" ] && return 0
            else
                _dbc_asuser=true
            fi
            $dbc_createdb_cmd || dbc_install_error "creating database" || return $?
            [ "$dbc_tried_again" ] && return 0
            _dbc_asuser=""

            ###
            ### populate the database
            ###
            # sqlfile is the file to use for installing the database
            dbc_sqlfile=$dbc_share/data/$dbc_basepackage/install/$dbc_dbtype
            dbc_sqlfile_adm=$dbc_share/data/$dbc_basepackage/install-dbadmin/$dbc_dbtype
            dbc_scriptfile=$dbc_share/scripts/$dbc_basepackage/install/$dbc_dbtype
            if [ -f "$dbc_scriptfile" ]; then
                dbc_logpart "populating database via scriptfile... "
                if ! sh -c "$dbc_scriptfile $*"; then
                    dbc_error="$dbc_scriptfile exited with non-zero status\nIf the script logged anything about what went wrong,\n it can be found in /var/log/apt/term.log."
                    dbc_install_error "populating database" || return $?
                    [ "$dbc_tried_again" ] && return 0
                fi
                dbc_logline "done"
            fi

            if [ -f "$dbc_sqlfile_adm" ]; then
                dbc_logpart "populating database via administrative sql... "
                if [ ! "$dbc_sql_substitutions" ]; then
                    $dbc_sqlfile_cmd $dbc_sqlfile_adm || \
                        dbc_install_error "populating database with administrative sql" || \
                        return $?                    
                    [ "$dbc_tried_again" ] && return 0
                else
                    tsubstfile=$(dbc_mktemp)
                    /usr/sbin/dbconfig-generate-include -f template -o \
                        template_infile=$dbc_sqlfile_adm $dbc_packageconfig > $tsubstfile || \
                        dbc_install_error "populating database with administrative sql" || \
                        return $? 
                    $dbc_sqlfile_cmd $tsubstfile || \
                        dbc_install_error "populating database with administrative sql" || \
                        return $?
                    rm -f $tsubstfile
                    [ "$dbc_tried_again" ] && return 0
                fi
                dbc_logline "done"
            fi

            if [ -f "$dbc_sqlfile" ]; then
                dbc_logpart "populating database via sql... "
                _dbc_asuser="yes"
                if [ ! "$dbc_sql_substitutions" ]; then
                    $dbc_sqlfile_cmd $dbc_sqlfile || dbc_install_error "populating database" || \
                        return $?
                    [ "$dbc_tried_again" ] && return 0
                else
                    tsubstfile=$(dbc_mktemp)
                    /usr/sbin/dbconfig-generate-include -f template -o \
                        template_infile=$dbc_sqlfile $dbc_packageconfig > $tsubstfile || \
                        dbc_install_error "populating database" || \
                        return $?
                    $dbc_sqlfile_cmd $tsubstfile || dbc_install_error "populating database" || \
                        return $?
                    rm -f $tsubstfile
                    [ "$dbc_tried_again" ] && return 0
                fi
                _dbc_asuser=""
                dbc_logline "done"
            fi

            # now that we are sure that the database has been
            # (re-)installed, we can reset the purge flag.
            db_set $dbc_package/purge false
            db_fset $dbc_package/purge seen false
        fi

        # end install/reconfigure section

        if [ "$importing_from_non_dbc" ]; then
            if ! $dbc_checkuser_command; then
                upgrade_error "importing dbconfig-settings" || return $?
                [ "$dbc_tried_again" ] && return 0
            fi
        fi

        # begin upgrade section

        if [ "$upgrading" ]; then

            # Initialize need_adminpw to false, only set to true when we find
            # upgrade queries that require admin rights to avoid needless
            # querying the sysadmin
            need_adminpw="false"
            # next call may change need_adminpw
            upgrades_pending=$(_dbc_find_upgrades)

            # if there are any upgrades to be applied
            if [ "$upgrades_pending" ]; then
                # ask if they want our help in the process at all
                # but only if they didn't see the question before
                # or if we are here after an error
                db_set $dbc_package/dbconfig-upgrade $dbc_upgrade
                db_input $dbc_prio_high $dbc_package/dbconfig-upgrade || true
                db_go || true
                db_get $dbc_package/dbconfig-upgrade && dbc_upgrade="$RET"

                # and if they don't want our help, we'll go away
                if [ "$dbc_upgrade" != "true" ]; then return 0; fi

                # get the admin password if it's needed
                if [ "$need_adminpw" != "false" ] ; then
                    if echo "$dbc_authenticated_dbtypes" | grep -q "$dbc_dbtype"; then
                        if [ ! "$dbc_frontend" ]; then
                            if [ ! "$dbc_dbtype" = "pgsql" ] || [ ! "$dbc_authmethod_admin" = "ident" ]; then
                                dbc_get_admin_pass || return $?
                            fi
                        fi
                    fi
                fi

                db_input $dbc_prio_low $dbc_package/upgrade-backup || true
                db_go || true
                db_get $dbc_package/upgrade-backup && dbc_backup="$RET"

                if [ "$dbc_backup" = "true" ] ; then
                    # this is the file into which upgrade backups go
                    nowtime=$(date +%Y-%m-%d-%H.%M.%S)
                    dbc_dumpfile=/var/cache/dbconfig-common/backups/${dbc_package}_${dbc_oldversion}.$dbc_dbtype_$nowtime
                    dbc_logline "creating database backup in $dbc_dumpfile"
                    # backup before we upgrade
                    _dbc_asuser="yes"
                    _tmp_result=0
                    $dbc_dump_cmd $dbc_dumpfile || _tmp_result=$?
                    if [ $_tmp_result != 0 ] ; then
                        # If the dump fails as user, try again with dbadmin credentials (bug: #850190)
                        dbc_logline "dumping database as user failed, retrying with administrator credentials"
                        dbc_get_admin_pass || dbc_upgrade_error "obtaining administator password" || \
                            return $?
                        [ "$dbc_tried_again" ] && return 0
                        _dbc_asuser=""
                        $dbc_dump_cmd $dbc_dumpfile || dbc_upgrade_error "backing up the old database" || \
                            return $?
                        [ "$dbc_tried_again" ] && return 0
                    fi
                    _dbc_asuser=""
                fi
            fi

            # now perform the updates
            for f in $upgrades_pending; do
                _dbc_apply_upgrades $f || return $?
            done

        fi
        # end upgrade section
    fi

    # don't forget to clean up after ourselves
    dbc_postinst_cleanup
}


##
## search through the predefined upgrade directories, and return
## the versions for which *some* upgrade is available.  later for each
## upgrade version with a script we again search through the predefined
## directories to find which upgrade provides it.  it's definitely
## less efficient this way, but it's much cleaner and ensures that
## upgrades are provided in-order regardless of which methods are used.
##
_dbc_find_upgrades(){
    local f s sqldir admsqldir scriptdir upgradedirs pending sorted placed tlist
    # check for new upgrades in these three locations
    sqldir=$dbc_share/data/$dbc_basepackage/upgrade/$dbc_dbtype
    admsqldir=$dbc_share/data/$dbc_basepackage/upgrade-dbadmin/$dbc_dbtype
    scriptdir=$dbc_share/scripts/$dbc_basepackage/upgrade/$dbc_dbtype

    for f in $sqldir $admsqldir $scriptdir; do
        if [ -d "$f" ]; then
            upgradedirs="${upgradedirs:+$upgradedirs }$f"
        fi
    done

    if [ ! "${upgradedirs:-}" ]; then return 0; fi

    for f in $(find $upgradedirs -xtype f -print0 | \
              xargs --no-run-if-empty -0 -n1 basename | sort -n | uniq); do
        if dpkg --compare-versions $dbc_oldversion lt $f; then
            pending="${pending:+$pending }$f"
        fi
    done

    # for each pending update
    for f in ${pending:-}; do
        if [ -f "$admsqldir/$f" ] ; then
            # If the pending update was in the dbadmin dir we
            # need the adminpw
            need_adminpw="true"
        fi
        # if the sorted list is empty
        if [ ! "${sorted:-}" ]; then
            sorted="$f"
        else
            # a scratch list for a sorted insert of the next version
            tlist=""
            # for each already sorted version
            for s in ${sorted:-}; do
                # if we haven't already placed it
                if [ ! "${placed:-}" ]; then
                    # if the this version is less than the next sorted one
                    if dpkg --compare-versions $f lt $s; then
                        # insert it here
                        tlist="$tlist $f"
                        placed="yes"
                    fi
                fi
                tlist="$tlist $s"
            done
            # if we still haven't placed it, tack it on to the end of the list
            if [ ! "${placed:-}" ]; then
                tlist="$tlist $f"
            fi
            # and now reset the placed variable, and update the sorted list
            placed=""
            sorted="$tlist"
        fi
    done

    echo $sorted
}

##
## this function applies all available upgrade scripts/sql for a specific
## version ($1).  no checking is done to make sure that the upgrade *should*
## be applied, that is assumed to have been done by _dbc_find_upgrades().
##
_dbc_apply_upgrades(){
    local f vers sqlfile admsqlfile scriptfile tsubstfile error_msg_upgrade
    _dbc_debug "_dbc_apply_upgrades() $@"
    # check for new upgrades in these three locations
    vers="$1"
    sqlfile="$dbc_share/data/$dbc_basepackage/upgrade/$dbc_dbtype/$vers"
    admsqlfile="$dbc_share/data/$dbc_basepackage/upgrade-dbadmin/$dbc_dbtype/$vers"
    scriptfile="$dbc_share/scripts/$dbc_basepackage/upgrade/$dbc_dbtype/$vers"


    # now go through script updates
    if [ -f "$scriptfile" ]; then
        dbc_logline "applying upgrade script for $dbc_oldversion -> $vers"
        # XXX $*
        if ! sh -c "$scriptfile $*"; then
            dbc_error="$scriptfile exited with non-zero status"
            dbc_upgrade_error "processing $scriptfile" || return $?
            [ "$dbc_tried_again" ] && return 0
        fi
    fi

    _dbc_asuser=""
    if [ -f "$admsqlfile" ]; then
        dbc_logline "applying upgrade admin sql for $dbc_oldversion -> $vers"
        tsubstfile=$admsqlfile
        error_msg_upgrade="processing $admsqlfile"
        if [ "$dbc_sql_substitutions" ]; then
            tsubstfile=$(dbc_mktemp)
            /usr/sbin/dbconfig-generate-include -f template -o template_infile=$admsqlfile \
                $dbc_packageconfig > $tsubstfile || dbc_upgrade_error "$error_msg_upgrade" || \
                return $?
            error_msg_upgrade="processing $admsqlfile (translated: $tsubstfile)"
        fi
        $dbc_sqlfile_cmd $tsubstfile || dbc_upgrade_error "$error_msg_upgrade" || return $?
        [ "$dbc_sql_substitutions" ] && rm -f $tsubstfile
        [ "$dbc_tried_again" ] && return 0
    fi

    if [ -f "$sqlfile" ]; then
        _dbc_asuser="yes"
        dbc_logline "applying upgrade sql for $dbc_oldversion -> $vers"
        tsubstfile=$sqlfile
        error_msg_upgrade="processing $sqlfile"
        if [ "$dbc_sql_substitutions" ]; then
            tsubstfile=$(dbc_mktemp)
            /usr/sbin/dbconfig-generate-include -f template -o template_infile=$sqlfile \
                $dbc_packageconfig > $tsubstfile || dbc_upgrade_error "$error_msg_upgrade" || \
                return $?
            error_msg_upgrade="processing $sqlfile (translated: $tsubstfile)"
        fi
        $dbc_sqlfile_cmd $tsubstfile || dbc_upgrade_error "$error_msg_upgrade" || return $?
        [ "$dbc_sql_substitutions" ] && rm -f $tsubstfile
        [ "$dbc_tried_again" ] && return 0
        _dbc_asuser=""
    fi
}

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