Library/firmware.sh

   1 #!/bin/bash
   2
   3 set -e
   4
   5 shopt -s extglob
   6 shopt -s nullglob
   7
   8 version=$(sw_vers -productVersion)
   9 cpu=$(uname -p)
  10
  11 if [[ ${cpu} == arm || ${cpu} == arm64 ]]; then
  12     data=/var/lib/dpkg
  13     model=hw.machine
  14     arch=iphoneos-arm
  15 else
  16     data=/Library/Cydia/dpkg
  17     model=hw.model
  18     arch=cydia
  19 fi
  20
  21 model=$(sysctl -n "${model}")
  22
  23 status=${data}/status
  24
  25 function lower() {
  26     sed -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'
  27 }
  28
  29 # Generate New Package {{{
  30 function pseudo() {
  31     local package=$1 version=$2 description=$3 name=$4
  32     echo "/." >"${data}"/info/"${package}".list
  33
  34     cat <<EOF
  35 Package: ${package}
  36 Essential: yes
  37 Status: install ok installed
  38 Priority: required
  39 Section: System
  40 Installed-Size: 0
  41 Architecture: ${arch}
  42 Version: ${version}
  43 Description: ${description}
  44 Maintainer: Jay Freeman (saurik) <saurik@saurik.com>
  45 Tag: role::cydia
  46 EOF
  47
  48     [[ -n ${name} ]] && echo "Name: ${name}"
  49     echo
  50 }
  51 # }}}
  52
  53 before=$(stat -c '%i-%Y' status)
  54
  55 output=$(mktemp status-tmp.XXXXXX)
  56 xxxxxx=${output##status-tmp.}
  57 rm -f status-tmp.!("${xxxxxx}")
  58
  59 {
  60
  61 # Delete Old Packages {{{
  62     unset firmware
  63     unset blank
  64
  65     while IFS= read -r line; do
  66         #echo "#${firmware+@}/${blank+@} ${line}" 1>&2
  67
  68         if [[ ${line} == '' && "${blank+@}" ]]; then
  69             continue
  70         else
  71             unset blank
  72         fi
  73
  74         if [[ ${line} == "Package: "@(firmware|gsc.*|cy+*) ]]; then
  75             firmware=
  76         elif [[ ${line} == '' ]]; then
  77             blank=
  78         fi
  79
  80         if [[ "${firmware+@}" ]]; then
  81             if [[ "${blank+@}" ]]; then
  82                 unset firmware
  83             fi
  84             continue
  85         fi
  86
  87         #echo "${firmware+@}/${blank+@} ${line}" 1>&2
  88         echo "${line}"
  89     done <"${status}"
  90
  91     #echo "#${firmware+@}/${blank+@} EOF" 1>&2
  92     if ! [[ "${blank+@}" || "${firmware+@}" ]]; then
  93         echo
  94     fi
  95 # }}}
  96
  97     if [[ ${cpu} == arm || ${cpu} == arm64 ]]; then
  98         pseudo "firmware" "${version}" "almost impressive Apple frameworks" "iOS Firmware"
  99
 100         while [[ 1 ]]; do
 101             gssc=$(gssc 2>&1)
 102             if [[ ${gssc} != *'(null)'* ]]; then
 103                 break
 104             fi
 105             sleep 1
 106         done
 107
 108         echo "${gssc}" | sed -re '
 109             /^    [^ ]* = [0-9.]*;$/ ! d;
 110             s/^    ([^ ]*) = ([0-9.]*);$/\1 \2/;
 111             s/([A-Z])/-\L\1/g;
 112             s/^"([^ ]*)"/\1/;
 113             s/^-//;
 114             / 0$/ d;
 115         ' | while read -r name value; do case "${name}" in
 116             (ipad) for name in ipad wildcat; do
 117                 pseudo "gsc.${name}" "${value}" "this device has a very large screen" "iPad"
 118             done;;
 119
 120             (*)
 121                 pseudo "gsc.${name}" "${value}" "virtual GraphicsServices dependency"
 122             ;;
 123         esac; done
 124     fi
 125
 126     if [[ ${cpu} == arm || ${cpu} == arm64 ]]; then
 127         os=ios
 128     else
 129         os=macosx
 130     fi
 131
 132     pseudo "cy+os.${os}" "${version}" "virtual operating system dependency"
 133     pseudo "cy+cpu.${cpu}" "0" "virtual CPU dependency"
 134
 135     name=${model%%*([0-9]),*([0-9])}
 136     version=${model#${name}}
 137     name=$(lower <<<${name})
 138     version=${version/,/.}
 139     pseudo "cy+model.${name}" "${version}" "virtual model dependency"
 140
 141     pseudo "cy+kernel.$(lower <<<$(sysctl -n kern.ostype))" "$(sysctl -n kern.osrelease)" "virtual kernel dependency"
 142
 143     pseudo "cy+lib.corefoundation" "$(/usr/libexec/cydia/cfversion)" "virtual corefoundation dependency"
 144
 145 } >"${output}"
 146
 147 # XXX: this is a poor replacement for flock
 148 test "${before}" = "$(stat -c '%i-%Y' status)"
 149 mv -f "${output}" "${status}"
 150
 151 if [[ ${cpu} == arm || ${cpu} == arm64 ]]; then
 152     if [[ ! -h /User && -d /User ]]; then
 153         cp -afT /User /var/mobile
 154     fi && rm -rf /User && ln -s "/var/mobile" /User
 155
 156     echo 6 >/var/lib/cydia/firmware.ver
 157 fi