332 lines
8.7 KiB
Perl
332 lines
8.7 KiB
Perl
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#!/usr/local/bin/perl -w
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#
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# Perl filter to handle the log messages from the checkin of files in
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# a directory. This script will group the lists of files by log
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# message, and mail a single consolidated log message at the end of
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# the commit.
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#
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# This file assumes a pre-commit checking program that leaves the
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# names of the first and last commit directories in a temporary file.
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#
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# Contributed by David Hampton <hampton@cisco.com>
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#
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############################################################
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#
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# Configurable options
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#
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############################################################
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#
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# Do cisco Systems, Inc. specific nonsense.
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#
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$cisco_systems = 1;
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#
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# Recipient of all mail messages
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#
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$mailto = "sw-notification@cisco.com";
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############################################################
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#
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# Constants
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#
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############################################################
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$STATE_NONE = 0;
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$STATE_CHANGED = 1;
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$STATE_ADDED = 2;
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$STATE_REMOVED = 3;
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$STATE_LOG = 4;
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$LAST_FILE = "/tmp/#cvs.lastdir";
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$CHANGED_FILE = "/tmp/#cvs.files.changed";
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$ADDED_FILE = "/tmp/#cvs.files.added";
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$REMOVED_FILE = "/tmp/#cvs.files.removed";
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$LOG_FILE = "/tmp/#cvs.files.log";
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$FILE_PREFIX = "#cvs.files";
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$VERSION_FILE = "version";
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$TRUNKREV_FILE = "TrunkRev";
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$CHANGES_FILE = "Changes";
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$CHANGES_TEMP = "Changes.tmp";
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############################################################
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#
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# Subroutines
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#
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############################################################
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sub format_names {
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local($dir, @files) = @_;
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local(@lines);
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$lines[0] = sprintf(" %-08s", $dir);
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foreach $file (@files) {
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if (length($lines[$#lines]) + length($file) > 60) {
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$lines[++$#lines] = sprintf(" %8s", " ");
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}
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$lines[$#lines] .= " ".$file;
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}
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@lines;
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}
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sub cleanup_tmpfiles {
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local($all) = @_;
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local($wd, @files);
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$wd = `pwd`;
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chdir("/tmp");
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opendir(DIR, ".");
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if ($all == 1) {
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push(@files, grep(/$id$/, readdir(DIR)));
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} else {
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push(@files, grep(/^$FILE_PREFIX.*$id$/, readdir(DIR)));
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}
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closedir(DIR);
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foreach (@files) {
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unlink $_;
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}
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chdir($wd);
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}
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sub write_logfile {
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local($filename, @lines) = @_;
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open(FILE, ">$filename") || die ("Cannot open log file $filename.\n");
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print(FILE join("\n", @lines), "\n");
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close(FILE);
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}
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sub append_to_file {
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local($filename, $dir, @files) = @_;
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if (@files) {
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local(@lines) = &format_names($dir, @files);
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open(FILE, ">>$filename") || die ("Cannot open file $filename.\n");
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print(FILE join("\n", @lines), "\n");
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close(FILE);
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}
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}
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sub write_line {
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local($filename, $line) = @_;
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open(FILE, ">$filename") || die("Cannot open file $filename.\n");
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print(FILE $line, "\n");
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close(FILE);
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}
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sub read_line {
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local($line);
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local($filename) = @_;
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open(FILE, "<$filename") || die("Cannot open file $filename.\n");
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$line = <FILE>;
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close(FILE);
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chop($line);
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$line;
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}
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sub read_file {
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local(@text);
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local($filename, $leader) = @_;
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open(FILE, "<$filename") || return ();
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while (<FILE>) {
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chop;
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push(@text, sprintf(" %-10s %s", $leader, $_));
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$leader = "";
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}
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close(FILE);
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@text;
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}
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sub read_logfile {
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local(@text);
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local($filename, $leader) = @_;
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open(FILE, "<$filename") || die ("Cannot open log file $filename.\n");
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while (<FILE>) {
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chop;
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push(@text, $leader.$_);
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}
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close(FILE);
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@text;
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}
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sub bump_version {
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local($trunkrev, $editnum, $version);
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$trunkrev = &read_line("$ENV{'CVSROOT'}/$repository/$TRUNKREV_FILE");
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$editnum = &read_line("$ENV{'CVSROOT'}/$repository/$VERSION_FILE");
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&write_line("$ENV{'CVSROOT'}/$repository/$VERSION_FILE", $editnum+1);
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$version = $trunkrev . "(" . $editnum . ")";
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}
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sub build_header {
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local($version) = @_;
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local($header);
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local($sec,$min,$hour,$mday,$mon,$year) = localtime(time);
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$header = sprintf("%-8s %s %02d/%02d/%02d %02d:%02d:%02d",
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$login, $version, $year%100, $mon+1, $mday,
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$hour, $min, $sec);
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}
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sub do_changes_file {
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local($changes, $tmpchanges);
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local(@text) = @_;
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$changes = "$ENV{'CVSROOT'}/$repository/$CHANGES_FILE";
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$tmpchanges = "$ENV{'CVSROOT'}/$repository/$CHANGES_TEMP";
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if (rename($changes, $tmpchanges) != 1) {
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die("Cannot rename $changes to $tmpchanges.\n");
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}
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open(CHANGES, ">$changes") || die("Cannot open $changes.\n");
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open(TMPCHANGES, "<$tmpchanges") || die("Cannot open $tmpchanges.\n");
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print(CHANGES join("\n", @text), "\n\n");
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print(CHANGES <TMPCHANGES>);
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close(CHANGES);
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close(TMPCHANGES);
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unlink($tmpchanges);
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}
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sub mail_notification {
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local($name, @text) = @_;
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open(MAIL, "| mail -s \"Source Repository Modification\" $name");
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print(MAIL join("\n", @text));
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close(MAIL);
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}
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#############################################################
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#
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# Main Body
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#
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############################################################
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#
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# Initialize basic variables
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#
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$id = getpgrp();
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$state = $STATE_NONE;
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$login = getlogin || (getpwuid($<))[0] || die("Unknown user $<.\n");
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@files = split(' ', $ARGV[0]);
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@path = split('/', $files[0]);
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$repository = @path[0];
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if ($#path == 0) {
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$dir = ".";
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} else {
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$dir = join('/', @path[1..$#path]);
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}
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#print("ARGV - ", join(":", @ARGV), "\n");
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#print("files - ", join(":", @files), "\n");
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#print("path - ", join(":", @path), "\n");
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#print("dir - ", $dir, "\n");
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#print("id - ", $id, "\n");
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#
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# Check for a new directory first. This will always appear as a
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# single item in the argument list, and an empty log message.
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#
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if ($ARGV[0] =~ /New directory/) {
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$version = &bump_version if ($cisco_systems != 0);
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$header = &build_header($version);
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@text = ();
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push(@text, $header);
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push(@text, "");
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push(@text, " ".$ARGV[0]);
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&do_changes_file(@text) if ($cisco_systems != 0);
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&mail_notification($mailto, @text);
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exit 0;
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}
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#
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# Iterate over the body of the message collecting information.
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#
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while (<STDIN>) {
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chop; # Drop the newline
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if (/^Modified Files/) { $state = $STATE_CHANGED; next; }
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if (/^Added Files/) { $state = $STATE_ADDED; next; }
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if (/^Removed Files/) { $state = $STATE_REMOVED; next; }
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if (/^Log Message/) { $state = $STATE_LOG; next; }
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s/^[ \t\n]+//; # delete leading space
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s/[ \t\n]+$//; # delete trailing space
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push (@changed_files, split) if ($state == $STATE_CHANGED);
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push (@added_files, split) if ($state == $STATE_ADDED);
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push (@removed_files, split) if ($state == $STATE_REMOVED);
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push (@log_lines, $_) if ($state == $STATE_LOG);
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}
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#
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# Strip leading and trailing blank lines from the log message. Also
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# compress multiple blank lines in the body of the message down to a
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# single blank line.
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#
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while ($#log_lines > -1) {
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last if ($log_lines[0] ne "");
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shift(@log_lines);
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}
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while ($#log_lines > -1) {
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last if ($log_lines[$#log_lines] ne "");
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pop(@log_lines);
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}
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for ($i = $#log_lines; $i > 0; $i--) {
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if (($log_lines[$i - 1] eq "") && ($log_lines[$i] eq "")) {
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splice(@log_lines, $i, 1);
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}
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}
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#
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# Find the log file that matches this log message
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#
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for ($i = 0; ; $i++) {
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last if (! -e "$LOG_FILE.$i.$id");
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@text = &read_logfile("$LOG_FILE.$i.$id", "");
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last if ($#text == -1);
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last if (join(" ", @log_lines) eq join(" ", @text));
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}
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#
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# Spit out the information gathered in this pass.
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#
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&write_logfile("$LOG_FILE.$i.$id", @log_lines);
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&append_to_file("$ADDED_FILE.$i.$id", $dir, @added_files);
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&append_to_file("$CHANGED_FILE.$i.$id", $dir, @changed_files);
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&append_to_file("$REMOVED_FILE.$i.$id", $dir, @removed_files);
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#
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# Check whether this is the last directory. If not, quit.
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#
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$_ = &read_line("$LAST_FILE.$id");
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exit 0 if (! grep(/$files[0]$/, $_));
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#
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# This is it. The commits are all finished. Lump everything together
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# into a single message, fire a copy off to the mailing list, and drop
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# it on the end of the Changes file.
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#
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# Get the full version number
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#
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$version = &bump_version if ($cisco_systems != 0);
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$header = &build_header($version);
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#
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# Produce the final compilation of the log messages
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#
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@text = ();
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push(@text, $header);
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push(@text, "");
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for ($i = 0; ; $i++) {
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last if (! -e "$LOG_FILE.$i.$id");
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push(@text, &read_file("$CHANGED_FILE.$i.$id", "Modified:"));
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push(@text, &read_file("$ADDED_FILE.$i.$id", "Added:"));
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push(@text, &read_file("$REMOVED_FILE.$i.$id", "Removed:"));
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push(@text, " Log:");
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push(@text, &read_logfile("$LOG_FILE.$i.$id", " "));
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push(@text, "");
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}
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if ($cisco_systems != 0) {
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@ddts = grep(/^CSCdi/, split(' ', join(" ", @text)));
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$text[0] .= " " . join(" ", @ddts);
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}
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#
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# Put the log message at the beginning of the Changes file and mail
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# out the notification.
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#
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&do_changes_file(@text) if ($cisco_systems != 0);
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&mail_notification($mailto, @text);
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&cleanup_tmpfiles(1);
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exit 0;
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