80 lines
2 KiB
Text
80 lines
2 KiB
Text
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#!/bin/sh
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#
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# $NetBSD: makesums,v 1.16 2009/09/19 07:09:54 snj Exp $
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#
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# Make checksum files for files in ``tardir''. Usage:
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# makesums [-a] [-t tardir] [setname [...]]
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#
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# If -t is omitted, RELEASEDIR must be set and not empty.
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# The ``setname'' arguments comprise a list of files to checksum,
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# and may be omitted (in which case ``*.tgz'' is used).
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# If -A is given, then the checksum are appended to possibly existing files.
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# NOTE: Don't use this when running parallel jobs
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# If -a is given, then the list of sets is ignored, and ``*'' is used.
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#
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# After shell glob expansion, the list of sets is filtered to remove known
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# output file names (of the form *SUM, SHA512 and MD5), non-existent files, and
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# subdirectories. If this filtering leaves no files, then no output files are
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# produced. Otherwise the resulting list of files are checksummed and two
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# output files (MD5 and SHA512) are produced.
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#
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prog="${0##*/}"
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rundir="$(dirname "$0")" # ${0%/*} isn't good enough when there's no "/"
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. "${rundir}/sets.subr"
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# set defaults
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targetdir="${RELEASEDIR}"
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dash_all=no
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append=\>
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usage()
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{
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cat 1>&2 <<USAGE
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Usage: ${prog} [-A] [-a] [-t targetdir] [setname [...]]
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-A Append to possible existing checksum files
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-a checksum all plain files instead of [setname [...]]
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-t targetdir \${RELEASEDIR} [${targetdir}]
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setname [...] sets to checksum [*.tgz]
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USAGE
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exit 1
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}
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# handle args
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while getopts aAt: ch; do
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case ${ch} in
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A)
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append=\>\>
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;;
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a)
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dash_all=yes
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;;
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t)
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targetdir="${OPTARG}"
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;;
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*)
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usage
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;;
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esac
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done
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shift $((${OPTIND} - 1))
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if [ -z "${targetdir}" ]; then
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echo >&2 "${prog}: \${RELEASEDIR} must be set or provided with -t"
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exit 1
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fi
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cd "${targetdir}"
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pat="$*"
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if [ "${dash_all}" = yes ]; then
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pat='*'
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elif [ -z "${pat}" ]; then
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pat='*.tgz'
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fi
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lists="$(${FIND} ${pat} -prune \( -type f -o -type l \) \
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\! -name '*SUM' \! -name MD5 \! -name SHA512 2>/dev/null)"
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if [ -n "${lists}" ]; then
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eval ${CKSUM} -a md5 ${lists} ${append} MD5
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eval ${CKSUM} -a sha512 ${lists} ${append} SHA512
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fi
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