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      1   1.1        is #!/bin/sh
      2   1.1        is #
      3  1.19  christos # $NetBSD: makesums,v 1.19 2023/11/08 13:02:47 christos Exp $
      4   1.1        is #
      5   1.2    toddpw # Make checksum files for files in ``tardir''.  Usage:
      6   1.7     lukem # makesums [-a] [-t tardir] [setname [...]]
      7   1.2    toddpw #
      8   1.2    toddpw # If -t is omitted, RELEASEDIR must be set and not empty.
      9   1.2    toddpw # The ``setname'' arguments comprise a list of files to checksum,
     10  1.17    martin # and may be omitted (in which case ``*.tgz *.tar.xz'' is used).
     11  1.10       jmc # If -A is given, then the checksum are appended to possibly existing files.
     12  1.10       jmc # NOTE: Don't use this when running parallel jobs
     13   1.7     lukem # If -a is given, then the list of sets is ignored, and ``*'' is used.
     14   1.2    toddpw #
     15   1.2    toddpw # After shell glob expansion, the list of sets is filtered to remove known
     16   1.9       jmc # output file names (of the form *SUM, SHA512 and MD5), non-existent files, and
     17   1.2    toddpw # subdirectories. If this filtering leaves no files, then no output files are
     18  1.16       snj # produced. Otherwise the resulting list of files are checksummed and two
     19  1.16       snj # output files (MD5 and SHA512) are produced.
     20   1.1        is #
     21   1.1        is 
     22  1.14       apb prog="${0##*/}"
     23  1.12       apb rundir="$(dirname "$0")" # ${0%/*} isn't good enough when there's no "/"
     24  1.12       apb . "${rundir}/sets.subr"
     25   1.7     lukem 
     26   1.1        is # set defaults
     27  1.14       apb targetdir="${RELEASEDIR}"
     28   1.2    toddpw dash_all=no
     29  1.10       jmc append=\>
     30   1.1        is 
     31   1.7     lukem usage()
     32   1.7     lukem {
     33   1.7     lukem 	cat 1>&2 <<USAGE
     34  1.10       jmc Usage: ${prog} [-A] [-a] [-t targetdir] [setname [...]]
     35  1.10       jmc 	-A		Append to possible existing checksum files 
     36   1.7     lukem 	-a		checksum all plain files instead of [setname [...]]
     37  1.14       apb 	-t targetdir	\${RELEASEDIR}		[${targetdir}]
     38  1.17    martin 	setname [...]	sets to checksum 	[*.tgz *.tar.xz]
     39   1.7     lukem USAGE
     40   1.7     lukem 	exit 1
     41   1.7     lukem }
     42   1.7     lukem 
     43  1.19  christos umask 022
     44   1.1        is # handle args
     45  1.10       jmc while getopts aAt: ch; do
     46   1.7     lukem 	case ${ch} in
     47  1.10       jmc 	A)
     48  1.10       jmc 		append=\>\>
     49  1.10       jmc 		;;
     50   1.7     lukem 	a)
     51   1.2    toddpw 		dash_all=yes
     52   1.1        is 		;;
     53   1.7     lukem 	t)	
     54  1.14       apb 		targetdir="${OPTARG}"
     55   1.1        is 		;;
     56   1.1        is 	*)
     57   1.7     lukem 		usage
     58   1.1        is 		;;
     59   1.1        is 	esac
     60   1.1        is done
     61   1.7     lukem shift $((${OPTIND} - 1))
     62   1.1        is 
     63  1.14       apb if [ -z "${targetdir}" ]; then
     64  1.15       apb 	echo >&2 "${prog}: \${RELEASEDIR} must be set or provided with -t"
     65   1.1        is 	exit 1
     66   1.1        is fi
     67   1.1        is 
     68  1.14       apb cd "${targetdir}"
     69   1.2    toddpw pat="$*"
     70  1.14       apb if [ "${dash_all}" = yes ]; then
     71   1.2    toddpw 	pat='*'
     72  1.14       apb elif [ -z "${pat}" ]; then
     73  1.17    martin 	pat='*.tgz *.tar.xz'
     74   1.2    toddpw fi
     75  1.14       apb lists="$(${FIND} ${pat} -prune \( -type f -o -type l \) \
     76  1.14       apb 	\! -name '*SUM' \! -name MD5 \! -name SHA512 2>/dev/null)"
     77  1.14       apb if [ -n "${lists}" ]; then
     78  1.14       apb 	eval ${CKSUM} -a md5  ${lists} ${append} MD5
     79  1.14       apb 	eval ${CKSUM} -a sha512  ${lists} ${append} SHA512
     80   1.1        is fi
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