Library/move.sh

   1 #!/bin/bash
   2
   3 shopt -s extglob nullglob
   4
   5 if [[ ${1:0:1} == - ]]; then
   6     v=$1
   7     shift 1
   8 else
   9     v=
  10 fi
  11
  12 function df_() {
  13     free=$(df -B1 "$1")
  14     free=${free% *%*}
  15     free=${free%%*( )}
  16     free=${free##* }
  17     echo "${free}"
  18 }
  19
  20 function mv_() {
  21     src=$1
  22
  23     if [[ ! -e /var/stash ]]; then
  24         mkdir -p /var/db/stash
  25         /usr/libexec/cydia/setnsfpn /var/db/stash
  26         ln -s -t /var /var/db/stash
  27     elif [[ -d /var/stash ]]; then
  28         /usr/libexec/cydia/setnsfpn /var/stash
  29     fi
  30
  31     tmp=$(mktemp -d /var/stash/_.XXXXXX)
  32     dst=${tmp}/${src##*/}
  33
  34     chmod 755 "${tmp}"
  35     chown root.admin "${tmp}"
  36
  37     mkdir -- "${dst}" || {
  38         rmdir -- "${tmp}"
  39         exit 1
  40     }
  41
  42     if [[ -e ${src} ]]; then
  43         chmod --reference="${src}" "${dst}"
  44         chown --reference="${src}" "${dst}"
  45
  46         cp -aT $v "${src}" "${dst}" || {
  47             rm -rf "${tmp}"
  48             exit 1
  49         }
  50
  51         rm -rf $v "${src}"
  52     else
  53         chmod 775 "${dst}"
  54         chown root.admin "${dst}"
  55     fi
  56
  57     ln -s "${dst}" "${src}"
  58     echo -n "${src}" >"${tmp}.lnk"
  59 }
  60
  61 function shift_() {
  62     dir=${1%/}
  63
  64     if [[ -d ${dir} && ! -h ${dir} ]]; then
  65         used=$(/usr/libexec/cydia/du -bs "${dir}")
  66         used=${used%%$'\t'*}
  67         free=$(df_ /var)
  68
  69         if [[ $((used + 524288)) -lt ${free} ]]; then
  70             mv_ "${dir}"
  71         fi
  72     elif [[ ! -e ${dir} ]]; then
  73         rm -f "${dir}"
  74         mv_ "${dir}"
  75     fi
  76 }
  77
  78 shift_ "$@"