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 Tag: role::cydia
  45 EOF
  46
  47     [[ -n ${name} ]] && echo "Name: ${name}"
  48     echo
  49 }
  50 # }}}
  51
  52 before=$(stat -c '%i-%Y' status)
  53
  54 output=$(mktemp status-tmp.XXXXXX)
  55 xxxxxx=${output##status-tmp.}
  56 rm -f status-tmp.!("${xxxxxx}")
  57
  58 {
  59
  60 # Delete Old Packages {{{
  61     unset firmware
  62     unset blank
  63
  64     while IFS= read -r line; do
  65         #echo "#${firmware+@}/${blank+@} ${line}" 1>&2
  66
  67         if [[ ${line} == '' && "${blank+@}" ]]; then
  68             continue
  69         else
  70             unset blank
  71         fi
  72
  73         if [[ ${line} == "Package: "@(firmware|gsc.*|cy+*) ]]; then
  74             firmware=
  75         elif [[ ${line} == '' ]]; then
  76             blank=
  77         fi
  78
  79         if [[ "${firmware+@}" ]]; then
  80             if [[ "${blank+@}" ]]; then
  81                 unset firmware
  82             fi
  83             continue
  84         fi
  85
  86         #echo "${firmware+@}/${blank+@} ${line}" 1>&2
  87         echo "${line}"
  88     done <"${status}"
  89
  90     #echo "#${firmware+@}/${blank+@} EOF" 1>&2
  91     if ! [[ "${blank+@}" || "${firmware+@}" ]]; then
  92         echo
  93     fi
  94 # }}}
  95
  96     if [[ ${cpu} == arm || ${cpu} == arm64 ]]; then
  97         pseudo "firmware" "${version}" "almost impressive Apple frameworks" "iOS Firmware"
  98
  99         while [[ 1 ]]; do
 100             gssc=$(gssc 2>&1)
 101             if [[ ${gssc} != *'(null)'* ]]; then
 102                 break
 103             fi
 104             sleep 1
 105         done
 106
 107         echo "${gssc}" | sed -re '
 108             /^    [^ ]* = [0-9.]*;$/ ! d;
 109             s/^    ([^ ]*) = ([0-9.]*);$/\1 \2/;
 110             s/([A-Z])/-\L\1/g;
 111             s/^"([^ ]*)"/\1/;
 112             s/^-//;
 113             / 0$/ d;
 114         ' | while read -r name value; do case "${name}" in
 115             (ipad) for name in ipad wildcat; do
 116                 pseudo "gsc.${name}" "${value}" "this device has a very large screen" "iPad"
 117             done;;
 118
 119             (*)
 120                 pseudo "gsc.${name}" "${value}" "virtual GraphicsServices dependency"
 121             ;;
 122         esac; done
 123     fi
 124
 125     if [[ ${cpu} == arm || ${cpu} == arm64 ]]; then
 126         os=ios
 127     else
 128         os=macosx
 129     fi
 130
 131     pseudo "cy+os.${os}" "${version}" "virtual operating system dependency"
 132     pseudo "cy+cpu.${cpu}" "0" "virtual CPU dependency"
 133
 134     name=${model%%*([0-9]),*([0-9])}
 135     version=${model#${name}}
 136     name=$(lower <<<${name})
 137     version=${version/,/.}
 138     pseudo "cy+model.${name}" "${version}" "virtual model dependency"
 139
 140     pseudo "cy+kernel.$(lower <<<$(sysctl -n kern.ostype))" "$(sysctl -n kern.osrelease)" "virtual kernel dependency"
 141
 142     pseudo "cy+lib.corefoundation" "$(/usr/libexec/cydia/cfversion)" "virtual corefoundation dependency"
 143
 144 } >"${output}"
 145
 146 # XXX: this is a poor replacement for flock
 147 test "${before}" = "$(stat -c '%i-%Y' status)"
 148 mv -f "${output}" "${status}"
 149
 150 if [[ ${cpu} == arm || ${cpu} == arm64 ]]; then
 151     if [[ ! -h /User && -d /User ]]; then
 152         cp -afT /User /var/mobile
 153     fi && rm -rf /User && ln -s "/var/mobile" /User
 154
 155     echo 6 >/var/lib/cydia/firmware.ver
 156 fi