351 lines
10 KiB
Awk
351 lines
10 KiB
Awk
#!/usr/bin/awk -f
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#
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# $NetBSD: distinfo.awk,v 1.4 2007/08/16 16:29:27 jlam Exp $
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#
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# Copyright (c) 2007 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by Johnny C. Lam.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the NetBSD
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# Foundation, Inc. and its contributors.
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# 4. Neither the name of The NetBSD Foundation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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###########################################################################
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#
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# NAME
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# distinfo.awk -- print distinfo information to standard output
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#
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# SYNOPSIS
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# distinfo.awk -- [options] [patch ...]
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#
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# DESCRIPTION
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# distinfo.awk generates distinfo information for the named
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# cksumfiles, ignorefiles and patches. The format of a distinfo
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# file is:
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#
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# 1. NetBSD RCS ID header
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# 2. a blank line
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# 3. digests and size information for each cksumfile and ignorefile
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# 4. digests for patches
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#
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# For example:
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#
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# $NetBSD: distinfo.awk,v 1.4 2007/08/16 16:29:27 jlam Exp $
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#
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# SHA1 (make-3.81.tar.gz) = cd4fa5a3184176492bf0799593a8f250a728210c
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# RMD160 (make-3.81.tar.gz) = a713a72875cb9a29568677c98022465c6f55cbbf
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# Size (make-3.81.tar.gz) = 1564560 bytes
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# SHA1 (patch-aa) = ba88ee2175c7c2258fc647b3654b2f725cf75a50
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# SHA1 (patch-ac) = de18956fde66fa3fc61a991bb3e6724d9c5b1eac
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# SHA1 (patch-af) = 067cac366694ce33e5bc52ef937603ae17d3bc2e
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#
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# OPTIONS
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# The following command line arguments are supported.
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#
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# -- This is a mandatory option and must always be the
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# first option specified.
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#
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# -a algorithm Generate a digest for the specified distfiles
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# using the named digest algorithm. If this option
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# is given more than once, then digests are
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# generated using each algorithm in the order
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# given.
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#
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# -c cksumfile Generate distinfo information for the named
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# cksumfile. If this option is given more than
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# once, then generate information for each
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# cksumfile in alphabetical order.
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#
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# -d distdir Directory under which cksumfiles and ignorefiles
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# are found.
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#
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# -f distinfo Path to an existing distinfo file. If this
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# option is given, then it is used to provide the
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# distinfo information for either cksumfiles and
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# ignorefiles or patches, depending on which
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# are not given on the command line. Also, using
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# this option causes the return code to be 0 if
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# the generated distinfo information matches the
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# contents of the existing distinfo file, or
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# non-zero otherwise.
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#
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# -i ignorefile Generate distinfo information to ignore checksum
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# verification for ignorefile. If this option is
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# given more than once, then generate information
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# for each ignore file in alphabetical order.
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#
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# -p algorithm Generate a digest for the patches using the named
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# digest algorithm. If this option is given more
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# than once, then digests are generated using each
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# algorithm in the order given.
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#
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# patch ... Generate distinfo information for the named
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# patches in alphabetical order.
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#
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###########################################################################
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BEGIN {
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DIGEST = ENVIRON["DIGEST"] ? ENVIRON["DIGEST"] : "digest"
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SED = ENVIRON["SED"] ? ENVIRON["SED"] : "sed"
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TEST = ENVIRON["TEST"] ? ENVIRON["TEST"] : "test"
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WC = ENVIRON["WC"] ? ENVIRON["WC"] : "wc"
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self = "distinfo.awk"
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ARGSTART = 1
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A = 0 # size of algorithms array
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D = 0 # size of distfiles array
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L = 0 # size of lines array
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P = 0 # size of patch_algorithms array
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N = 0 # size of patchfiles array
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F = 0 # size of distinfo_lines array
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distdir = "."
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distinfo = ""
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exitcode = 0
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parse_options()
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if (length(distdir) > 0) {
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cmd = TEST " -d " distdir
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if (system(cmd) != 0) {
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print self ": " distdir " not found"
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exitcode = 128
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}
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}
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if (length(distinfo) > 0) {
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cmd = TEST " -f " distinfo
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if (system(cmd) != 0) {
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print self ": " distinfo " not found"
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exitcode = 128
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}
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while(getline < distinfo) { distinfo_lines[F++] = $0 }
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close(distinfo)
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}
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if (exitcode > 0) exit(exitcode)
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if (length(distinfo) == 0) { # no distinfo file
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header()
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distsum()
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patchsum()
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exitcode = 1
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} else {
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if (D > 0 && N > 0) { # distfiles & patches
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header()
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distsum()
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patchsum()
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} else if (D > 0 && N == 0) { # distfiles only
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header()
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distsum()
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#
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# Grab the patch distinfo lines from the existing
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# distinfo file.
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#
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for (l = 0; l < F; l++) {
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file = distinfo_lines[l]
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sub("^[^(]*[(]", "", file)
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sub("[)][^)]*$", "", file)
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if (is_patch(file))
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lines[L++] = distinfo_lines[l]
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}
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} else if (D == 0 && N > 0) { # patches only
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#
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# Grab the non-patch distinfo lines from the
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# existing distinfo file.
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#
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for (l = 0; l < F; l++) {
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file = distinfo_lines[l]
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sub("^[^(]*[(]", "", file)
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sub("[)][^)]*$", "", file)
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if (!is_patch(file))
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lines[L++] = distinfo_lines[l]
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}
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patchsum()
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}
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exitcode = is_same_distinfo() ? 0 : 1
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}
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# Print the new distinfo content to standard output.
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for (l = 0; l < L; l++) { print lines[l] }
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exit(exitcode)
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}
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function insertion_sort(a, nelem, temp, i, j) {
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for (i = 1; i < nelem; ++i) {
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for (j = i; a[j-1] > a[j]; --j) {
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temp = a[j]
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a[j] = a[j-1]
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a[j-1] = temp
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}
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}
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return
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}
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function parse_options( option) {
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while (ARGSTART < ARGC) {
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option = ARGV[ARGSTART]
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if (option == "-a") {
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algorithms[A++] = ARGV[ARGSTART + 1]
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ARGSTART += 2
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} else if (option == "-c") {
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distfiles[D++] = ARGV[ARGSTART + 1]
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cksumfiles[ARGV[ARGSTART + 1]] = 1
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ARGSTART += 2
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} else if (option == "-d") {
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distdir = ARGV[ARGSTART + 1]
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ARGSTART += 2
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} else if (option == "-f") {
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distinfo = ARGV[ARGSTART + 1]
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ARGSTART += 2
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} else if (option == "-i") {
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distfiles[D++] = ARGV[ARGSTART + 1]
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ignorefiles[ARGV[ARGSTART + 1]] = 1
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ARGSTART += 2
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} else if (option == "-p") {
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patch_algorithms[P++] = ARGV[ARGSTART + 1]
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ARGSTART += 2
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} else if (option == "--") {
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ARGSTART++
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break
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} else if (match(option, /^-.*/) != 0) {
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option = substr(option, RSTART + 1, RLENGTH)
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print self ": unknown option -- " option > "/dev/stderr"
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print "usage: " self " -- [-a alg] [-c file] [-d distdir] [-f distinfo] [-i ignore] [-p alg] [patch ...]" > "/dev/stderr"
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exit 1
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} else {
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break
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}
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}
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while (ARGSTART < ARGC) {
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patchfiles[N++] = ARGV[ARGSTART++]
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}
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# Sort each of the resulting arrays.
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#insertion_sort(algorithms, A)
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#insertion_sort(patch_algorithms, P)
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insertion_sort(distfiles, D)
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insertion_sort(patchfiles, N)
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}
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###
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### header()
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### Pull the NetBSD RCS ID file from the existing distinfo file
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### if it's available, otherwise generate a new one.
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###
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function header() {
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if (length(distinfo) > 0) {
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cmd = SED " 1q " distinfo
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cmd | getline; close(cmd)
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if ($0 ~ /^[$]NetBSD/) {
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lines[L++] = $0
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lines[L++] = ""
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return
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}
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}
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lines[L++] = "$" "NetBSD" "$"
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lines[L++] = ""
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}
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###
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### is_patch(file)
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### Return 1 if the file is a valid patch name, or 0 otherwise.
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###
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function is_patch(file) {
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if (file ~ /^patch-local-|[.]orig$|[.]rej$|~$/) return 0
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if (file ~ /^patch-|^emul-.*-patch-/) return 1
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return 0
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}
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###
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### distsum()
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### Generate digests using the ones named in the algorithms
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### array, and size information for each cksumfile. Generate
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### an IGNORE line for each ignorefile.
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###
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function distsum( alg, file, cmd, a, i) {
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for (i = 0; i < D; i++) {
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file = distfiles[i]
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cmd = "cd " distdir " && " TEST " -f " file
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if (system(cmd) != 0) continue
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for (a = 0; a < A; a++) {
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alg = algorithms[a]
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if (cksumfiles[file] == 1) {
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cmd = "cd " distdir " && " DIGEST " " alg " " file
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cmd | getline lines[L++]; close(cmd)
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} else if (ignorefiles[file] == 1) {
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lines[L++] = alg " (" file ") = IGNORE"
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}
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}
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if (cksumfiles[file] == 1) {
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cmd = "cd " distdir " && " WC " -c " file
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cmd | getline; close(cmd)
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sub("^[ ]+", ""); sub("[ ].*", "")
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lines[L++] = "Size (" file ") = " $0 " bytes"
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}
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}
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}
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###
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### patchsum()
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### Generate digests using the ones named in patch_algorithms
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### for each patch.
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###
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function patchsum( alg, dir, file, patch, cmd, a, i) {
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for (i = 0; i < N; i++) {
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patch = patchfiles[i]
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dir = patch; sub("/[^/]*$", "", dir)
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file = patch; sub("^.*/", "", file)
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cmd = TEST " -f " patch
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if ((system(cmd) != 0) || !is_patch(file)) continue
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for (a = 0; a < P; a++) {
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alg = patch_algorithms[a]
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cmd = SED " -e '/[$]NetBSD.*/d' " patch " | " DIGEST " " alg
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cmd | getline; close(cmd)
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sub("^", alg " (" file ") = ")
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lines[L++] = $0
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}
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}
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}
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###
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### is_same_distinfo()
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### Return 1 if the distinfo_lines and lines array match
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### (so the new distinfo content and the old distinfo
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### content match), and zero otherwise.
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###
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function is_same_distinfo( l) {
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if (L != F) { return 0 }
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for (l = 0; l < L; l++) {
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if (distinfo_lines[l] != lines[l])
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return 0
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}
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return 1
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}
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