distrib/sets/makesums

   1 #!/bin/sh
   2 #
   3 # $NetBSD: makesums,v 1.15 2006/01/08 10:10:03 apb Exp $
   4 #
   5 # Make checksum files for files in ``tardir''.  Usage:
   6 # makesums [-a] [-t tardir] [setname [...]]
   7 #
   8 # If -t is omitted, RELEASEDIR must be set and not empty.
   9 # The ``setname'' arguments comprise a list of files to checksum,
  10 # and may be omitted (in which case ``*.tgz'' is used).
  11 # If -A is given, then the checksum are appended to possibly existing files.
  12 # NOTE: Don't use this when running parallel jobs
  13 # If -a is given, then the list of sets is ignored, and ``*'' is used.
  14 #
  15 # After shell glob expansion, the list of sets is filtered to remove known
  16 # output file names (of the form *SUM, SHA512 and MD5), non-existent files, and
  17 # subdirectories. If this filtering leaves no files, then no output files are
  18 # produced. Otherwise the resulting list of files are checksummed and two
  19 # output files (MD5 and SHA512) are produced.
  20 #
  21
  22 prog="${0##*/}"
  23 rundir="$(dirname "$0")" # ${0%/*} isn't good enough when there's no "/"
  24 . "${rundir}/sets.subr"
  25
  26 # set defaults
  27 targetdir="${RELEASEDIR}"
  28 dash_all=no
  29 append=\>
  30
  31 usage()
  32 {
  33         cat 1>&2 <<USAGE
  34 Usage: ${prog} [-A] [-a] [-t targetdir] [setname [...]]
  35         -A              Append to possible existing checksum files
  36         -a              checksum all plain files instead of [setname [...]]
  37         -t targetdir    \${RELEASEDIR}          [${targetdir}]
  38         setname [...]   sets to checksum        [*.tgz]
  39 USAGE
  40         exit 1
  41 }
  42
  43 # handle args
  44 while getopts aAt: ch; do
  45         case ${ch} in
  46         A)
  47                 append=\>\>
  48                 ;;
  49         a)
  50                 dash_all=yes
  51                 ;;
  52         t)
  53                 targetdir="${OPTARG}"
  54                 ;;
  55         *)
  56                 usage
  57                 ;;
  58         esac
  59 done
  60 shift $((${OPTIND} - 1))
  61
  62 if [ -z "${targetdir}" ]; then
  63         echo >&2 "${prog}: \${RELEASEDIR} must be set or provided with -t"
  64         exit 1
  65 fi
  66
  67 cd "${targetdir}"
  68 pat="$*"
  69 if [ "${dash_all}" = yes ]; then
  70         pat='*'
  71 elif [ -z "${pat}" ]; then
  72         pat='*.tgz'
  73 fi
  74 lists="$(${FIND} ${pat} -prune \( -type f -o -type l \) \
  75         \! -name '*SUM' \! -name MD5 \! -name SHA512 2>/dev/null)"
  76 if [ -n "${lists}" ]; then
  77         eval ${CKSUM} -a md5  ${lists} ${append} MD5
  78         eval ${CKSUM} -a sha512  ${lists} ${append} SHA512
  79 fi