catfile.sh

   1 #!/usr/bin/env bash
   2
   3 function PackCatFile {
   4  shopt -s globstar
   5  curinode=0
   6  numfiles=$(find "${1}" -mindepth 1 -print | wc -l)
   7  echo -n -e 'CatFile1\x00${numfiles}\x00' > ${2}
   8  for file in ${1}/**; do
   9   fname="${file%/}"
  10   echo "${fname}"
  11   flinkname=""
  12   fcurinode=${curinode}
  13   finode=$(stat -c %i ${fname})
  14   ftype=0
  15   if [ -f ${fname} ]; then
  16    ftype=0
  17    fsize=$(printf "%x" $(stat -c %s ${fname}))
  18   fi
  19   if [ -L ${fname} ]; then
  20    ftype=2
  21    fsize=0
  22    flinkname="$(readlink -f ${fname})"
  23   fi
  24   if [ -c ${fname} ]; then
  25    ftype=3
  26    fsize=0
  27   fi
  28   if [ -b ${fname} ]; then
  29    ftype=4
  30    fsize=0
  31   fi
  32   if [ -d ${fname} ]; then
  33    ftype=5
  34    fsize=0
  35   fi
  36   if [ -p ${fname} ]; then
  37    ftype=6
  38    fsize=0
  39   fi
  40   if [ -f ${fname} ]; then
  41    if [[ ${inodetofile[${finode}]} ]]; then
  42     ftype=1
  43     flinkname=${inodetofile[${finode}]}
  44    else
  45     inodetofile[${finode}]=${fname}
  46     curinode=$[curinode + 1]
  47    fi
  48   fi
  49   fdev_minor=$(printf "%x" $(stat -c %T ${fname}))
  50   fdev_major=$(printf "%x" $(stat -c %t ${fname}))
  51   fatime=$(printf "%x" $(stat -c %X ${fname}))
  52   fmtime=$(printf "%x" $(stat -c %Y ${fname}))
  53   fctime=$(printf "%x" $(stat -c %Z ${fname}))
  54   fbtime=$(printf "%x" $(stat -c %Z ${fname}))
  55   fmode=$(stat -c %f ${fname})
  56   fchmode=$(printf "%x" 0$(stat -c %a ${fname}))
  57   fuid=$(printf "%x" $(stat -c %u ${fname}))
  58   fgid=$(printf "%x" $(stat -c %g ${fname}))
  59   funame=$(stat -c %U ${fname})
  60   fgname=$(stat -c %G ${fname})
  61   flinkcount=$(printf "%x" $(stat -c %h ${fname}))
  62   finodehex=$(printf "%x" ${finode})
  63   ftypehex=$(printf "%x" ${ftype})
  64   tmpfile=$(mktemp);
  65   echo -n "${ftypehex}" > ${tmpfile}
  66   echo -n -e '\x00' >> ${tmpfile}
  67   echo -n "${fname}" >> ${tmpfile}
  68   echo -n -e '\x00' >> ${tmpfile}
  69   echo -n "${flinkname}" >> ${tmpfile}
  70   echo -n -e '\x00' >> ${tmpfile}
  71   echo -n "${fsize}" >> ${tmpfile}
  72   echo -n -e '\x00' >> ${tmpfile}
  73   echo -n "${fatime}" >> ${tmpfile}
  74   echo -n -e '\x00' >> ${tmpfile}
  75   echo -n "${fmtime}" >> ${tmpfile}
  76   echo -n -e '\x00' >> ${tmpfile}
  77   echo -n "${fctime}" >> ${tmpfile}
  78   echo -n -e '\x00' >> ${tmpfile}
  79   echo -n "${fbtime}" >> ${tmpfile}
  80   echo -n -e '\x00' >> ${tmpfile}
  81   echo -n "${fmode}" >> ${tmpfile}
  82   echo -n -e '\x00' >> ${tmpfile}
  83   echo -n "${fuid}" >> ${tmpfile}
  84   echo -n -e '\x00' >> ${tmpfile}
  85   echo -n "${funame}" >> ${tmpfile}
  86   echo -n -e '\x00' >> ${tmpfile}
  87   echo -n "${fgid}" >> ${tmpfile}
  88   echo -n -e '\x00' >> ${tmpfile}
  89   echo -n "${fgname}" >> ${tmpfile}
  90   echo -n -e '\x00' >> ${tmpfile}
  91   echo -n "${fcurinode}" >> ${tmpfile}
  92   echo -n -e '\x00' >> ${tmpfile}
  93   echo -n "${finodehex}" >> ${tmpfile}
  94   echo -n -e '\x00' >> ${tmpfile}
  95   echo -n "${flinkcount}" >> ${tmpfile}
  96   echo -n -e '\x00' >> ${tmpfile}
  97   echo -n "${fdev_minor}" >> ${tmpfile}
  98   echo -n -e '\x00' >> ${tmpfile}
  99   echo -n "${fdev_major}" >> ${tmpfile}
 100   echo -n -e '\x00' >> ${tmpfile}
 101   echo -n "${fdev_minor}" >> ${tmpfile}
 102   echo -n -e '\x00' >> ${tmpfile}
 103   echo -n "${fdev_major}" >> ${tmpfile}
 104   echo -n -e '\x00' >> ${tmpfile}
 105   echo -n "0" >> ${tmpfile}
 106   echo -n -e '\x00' >> ${tmpfile}
 107   if [ "${4}" == "none" ]; then
 108    echo -n "${4}" >> ${tmpfile}
 109    echo -n -e '\x00' >> ${tmpfile}
 110    catfileheadercshex="0"
 111    catfilecontentcshex="0"
 112   elif [ "${4}" == "crc32" ] || [ "${4}" == "" ]; then
 113    echo -n "" >> ${tmpfile}
 114    echo -n -e '\x00' >> ${tmpfile}
 115    catfileheadercshex=$(crc32 ${tmpfile} | cut -d ' ' -f 1)
 116    if [ -f ${fname} ]; then
 117     catfilecontentcshex=$(crc32 ${fname} | cut -d ' ' -f 1)
 118    else
 119     catfilecontentcshex=$(crc32 /dev/null | cut -d ' ' -f 1)
 120    fi
 121   elif [ "${4}" == "md5" ]; then
 122    echo -n "md5" >> ${tmpfile}
 123    echo -n -e '\x00' >> ${tmpfile}
 124    catfileheadercshex=$(md5sum ${tmpfile} | cut -d ' ' -f 1)
 125    if [ -f ${fname} ]; then
 126     catfilecontentcshex=$(md5sum ${fname} | cut -d ' ' -f 1)
 127    else
 128     catfilecontentcshex=$(md5sum /dev/null | cut -d ' ' -f 1)
 129    fi
 130   elif [ "${4}" == "sha1" ]; then
 131    echo -n "${4}" >> ${tmpfile}
 132    echo -n -e '\x00' >> ${tmpfile}
 133    catfileheadercshex=$(sha1sum ${tmpfile} | cut -d ' ' -f 1)
 134    if [ -f ${fname} ]; then
 135     catfilecontentcshex=$(sha1sum ${fname} | cut -d ' ' -f 1)
 136    else
 137     catfilecontentcshex=$(sha1sum /dev/null | cut -d ' ' -f 1)
 138    fi
 139   elif [ "${4}" == "sha224" ]; then
 140    echo -n "${4}" >> ${tmpfile}
 141    echo -n -e '\x00' >> ${tmpfile}
 142    catfileheadercshex=$(sha224sum ${tmpfile} | cut -d ' ' -f 1)
 143    if [ -f ${fname} ]; then
 144     catfilecontentcshex=$(sha224sum ${fname} | cut -d ' ' -f 1)
 145    else
 146     catfilecontentcshex=$(sha224sum /dev/null | cut -d ' ' -f 1)
 147    fi
 148   elif [ "${4}" == "sha256" ]; then
 149    echo -n "${4}" >> ${tmpfile}
 150    echo -n -e '\x00' >> ${tmpfile}
 151    catfileheadercshex=$(sha256sum ${tmpfile} | cut -d ' ' -f 1)
 152    if [ -f ${fname} ]; then
 153     catfilecontentcshex=$(sha256sum ${fname} | cut -d ' ' -f 1)
 154    else
 155     catfilecontentcshex=$(sha256sum /dev/null | cut -d ' ' -f 1)
 156    fi
 157   elif [ "${4}" == "sha384" ]; then
 158    echo -n "${4}" >> ${tmpfile}
 159    echo -n -e '\x00' >> ${tmpfile}
 160    catfileheadercshex=$(sha384sum ${tmpfile} | cut -d ' ' -f 1)
 161    if [ -f ${fname} ]; then
 162     catfilecontentcshex=$(sha384sum ${fname} | cut -d ' ' -f 1)
 163    else
 164     catfilecontentcshex=$(sha384sum /dev/null | cut -d ' ' -f 1)
 165    fi
 166   elif [ "${4}" == "sha512" ]; then
 167    echo -n "${4}" >> ${tmpfile}
 168    echo -n -e '\x00' >> ${tmpfile}
 169    catfileheadercshex=$(sha512sum ${tmpfile} | cut -d ' ' -f 1)
 170    if [ -f ${fname} ]; then
 171     catfilecontentcshex=$(sha512sum ${fname} | cut -d ' ' -f 1)
 172    else
 173     catfilecontentcshex=$(sha512sum /dev/null | cut -d ' ' -f 1)
 174    fi
 175   else
 176    echo -n "crc32" >> ${tmpfile}
 177    echo -n -e '\x00' >> ${tmpfile}
 178    catfileheadercshex=$(crc32 ${tmpfile} | cut -d ' ' -f 1)
 179    if [ -f ${fname} ]; then
 180     catfilecontentcshex=$(crc32 ${fname} | cut -d ' ' -f 1)
 181    else
 182     catfilecontentcshex=$(crc32 /dev/null | cut -d ' ' -f 1)
 183    fi
 184   fi
 185   cat ${tmpfile} >> ${2}
 186   rm -rf ${tmpfile}
 187   echo -n "${catfileheadercshex}" >> ${2}
 188   echo -n -e '\x00' >> ${2}
 189   echo -n "${catfilecontentcshex}" >> ${2}
 190   echo -n -e '\x00' >> ${2}
 191   if [ -f ${fname} ]; then
 192    cat ${fname} >> ${2}
 193   fi
 194   echo -n -e '\x00' >> ${2}
 195  done
 196  if [ "${3}" == "gzip" ]; then
 197   gzip --quiet --best ${2}
 198  elif [ "${3}" == "bzip2" ]; then
 199   gzip --compress --quiet --best ${2}
 200  elif [ "${3}" == "zstd" ]; then
 201   zstd -19 --rm -qq --format=zstd ${2}
 202  elif [ "${3}" == "lz4" ]; then
 203   lz4 -9 -z --rm -qq ${2}
 204  elif [ "${3}" == "lzo" ]; then
 205   lzop -9 -U -q ${2}
 206  elif [ "${3}" == "lzma" ]; then
 207   lzma --compress --quiet -9 --extreme ${2}
 208  elif [ "${3}" == "xz" ]; then
 209   xz --compress --quiet -9 --extreme ${2}
 210  elif [ "${3}" == "brotli" ]; then
 211   brotli --rm --best ${2}
 212  fi
 213 }
 214
 215 PackCatFile "${1}" "${2}" "${3}" "${4}"