--- /dev/null
+#!/usr/bin/perl
+# -*- Mode: perl; indent-tabs-mode: nil; cperl-indent-level: 4 -*-
+
+use strict;
+use diagnostics;
+use IO::File;
+use Time::Local;
+
+my $pristine = 1;
+my $kernver = "";
+
+# Use the CVS tag first otherwise use the portals version
+sub get_tag()
+{
+ my $tag;
+ my $line;
+
+ my $tagfile = new IO::File;
+ if (!$tagfile->open("lustre/CVS/Tag")) {
+ # is there a good way to do this with git or should the git case just
+ # fall through to use config.h? it is always nice to know if we are
+ # working on a tag or branch.
+ my $verfile = new IO::File;
+ if (!$verfile->open("config.h")) {
+ return "UNKNOWN";
+ }
+ while(defined($line = <$verfile>)) {
+ $line =~ /\#define VERSION "(.*)"/;
+ if ($1) {
+ $tag = $1;
+ last;
+ }
+ }
+ $verfile->close();
+ return $tag
+ } else {
+ my $tmp = <$tagfile>;
+ $tagfile->close();
+
+ $tmp =~ m/[TN](.*)/;
+ return $1;
+ }
+}
+
+sub get_latest_mtime()
+{
+ my %months=("Jan" => 0, "Feb" => 1, "Mar" => 2, "Apr" => 3, "May" => 4,
+ "Jun" => 5, "Jul" => 6, "Aug" => 7, "Sep" => 8, "Oct" => 9,
+ "Nov" => 10, "Dec" => 11);
+
+ my $last_mtime = 0;
+
+ # a CVS checkout
+ if (-d "CVS") {
+ # if we got here, we are operating in a CVS checkout
+ my @entries = `find . -name Entries`;
+ my $entry_file;
+ foreach $entry_file (@entries) {
+ chomp($entry_file);
+ my $entry = new IO::File;
+ if (!$entry->open($entry_file)) {
+ die "unable to open $entry_file: $!\n";
+ }
+ my $line;
+ while (defined($line = <$entry>)) {
+ chomp($line);
+ #print "line: $line\n";
+ my ($junk, $file, $version, $date) = split(/\//, $line);
+
+ #print "junk: $junk\nfile: $file\nver: $version\ndate: $date\n";
+ #print "last_mtime: " . localtime($last_mtime) . "\n";
+
+ if ($junk eq "D" ||
+ $file eq "lustre.spec.in") {
+ # also used to skip: "$file !~ m/\.(c|h|am|in)$/" but I see
+ # no good reason why only the above file patterns should
+ # count towards pristine/changed. it should be any file,
+ # surely.
+ next;
+ }
+
+ my $cur_dir = $entry_file;
+ $cur_dir =~ s/\/CVS\/Entries$//;
+ my @statbuf = stat("$cur_dir/$file");
+ my $mtime = $statbuf[9];
+ if (!defined($mtime)) {
+ next;
+ }
+ my $local_date = gmtime($mtime);
+ if ($local_date ne $date &&
+ $file ne "lustre.spec.in") {
+ #print "$file : " . localtime($mtime) . "\n";
+ $pristine = 0;
+ }
+
+ if ($mtime > $last_mtime) {
+ $last_mtime = $mtime;
+ }
+
+ if ($date) {
+ my @t = split(/ +/, $date);
+ if (int(@t) != 5) {
+ #print "skipping: $date\n";
+ next;
+ }
+ my ($hours, $min, $sec) = split(/:/, $t[3]);
+ my ($mon, $mday, $year) = ($t[1], $t[2], $t[4]);
+ my $secs = 0;
+ $mon = $months{$mon};
+ $secs = timelocal($sec, $min, $hours, $mday, $mon, $year);
+ if ($secs > $last_mtime) {
+ $last_mtime = $secs;
+ }
+ }
+ }
+ $entry->close();
+ }
+ } elsif (-d ".git") {
+ # a git checkout
+ # TODO: figure out how to determine the most recently modified file
+ # in a git working copy.
+ # NOTE: this is not simply the newest file in the whole tree,
+ # but the newest file in the tree that is from the
+ # repository.
+ $last_mtime = time();
+ } else {
+ my $tree_status = new IO::File;
+ if (!$tree_status->open("tree_status")) {
+ die "unable to open the tree_status file: $!\n";
+ }
+ my $line;
+ while (defined($line = <$tree_status>)) {
+ if ($line =~ /^PRISTINE\s*=\s*(\d)/) {
+ $pristine = $1;
+ } elsif ($line =~ /^MTIME\s*=\s*(\d+)/) {
+ $last_mtime = $1;
+ }
+ }
+ }
+ return $last_mtime;
+
+}
+
+sub get_linuxdir()
+{
+ my $config = new IO::File;
+ my ($line, $dir);
+ if (!$config->open("autoMakefile")) {
+ die "Run ./configure first\n";
+ }
+ while (defined($line = <$config>)) {
+ chomp($line);
+ if ($line =~ /LINUX :?= (.*)/) {
+ $dir = $1;
+ last;
+ }
+ }
+ $config->close();
+ my $ver = new IO::File;
+ if (!$ver->open("$dir/include/linux/utsrelease.h")) {
+ if (!$ver->open("$dir/include/linux/version.h")) {
+ die "Run make dep on $dir\n";
+ }
+ }
+ while(defined($line = <$ver>)) {
+ $line =~ /\#define UTS_RELEASE "(.*)"/;
+ if ($1) {
+ $kernver = $1;
+ last;
+ }
+ }
+ $ver->close();
+ chomp($kernver);
+ $dir =~ s/\//\./g;
+ return $dir;
+}
+
+sub mtime2date($)
+{
+ my $mtime = shift;
+
+ my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
+ localtime($mtime);
+ $year += 1900;
+ $mon++;
+ my $show_last = sprintf("%04d%02d%02d%02d%02d%02d", $year, $mon, $mday,
+ $hour, $min, $sec);
+
+ return $show_last;
+}
+
+sub generate_ver($$$)
+{
+ my $tag = shift;
+ my $mtime = shift;
+ my $linuxdir = shift;
+
+ #print "localtime: " . localtime($mtime) . "\n";
+
+ my $show_last = mtime2date($mtime);
+
+ print "#define BUILD_VERSION \"";
+
+ my $lustre_vers = $ENV{LUSTRE_VERS};
+
+ if ($lustre_vers) {
+ print "$tag-$lustre_vers\"\n";
+ # if we want to get rid of the PRISTINE/CHANGED thing, get rid of these
+ # lines. maybe we only want to print -CHANGED when something is changed
+ # and print nothing when it's pristine
+ } elsif ($pristine) {
+ print "$tag-$show_last-PRISTINE-$linuxdir-$kernver\"\n";
+ } else {
+ print "$tag-$show_last-CHANGED-$linuxdir-$kernver\"\n";
+ }
+}
+
+my $progname = $0;
+$progname =~ s/.*\///;
+
+if ($progname eq "tree_status.pl" && !-d "CVS" && !-d ".git") {
+ die("a tree status can only be determined in an source code control system checkout\n");
+}
+
+chomp(my $cwd = `pwd`);
+
+# ARGV[0] = srcdir
+# ARGV[1] = builddir
+
+# for get_latest_mtime and get_tag you need to be in srcdir
+
+if ($ARGV[0]) {
+ chdir($ARGV[0]);
+}
+my $tag = get_tag();
+my $mtime = get_latest_mtime();
+
+if ($progname eq "version_tag.pl") {
+ my $linuxdir = get_linuxdir();
+ $linuxdir =~ s/\//\./g;
+ generate_ver($tag, $mtime, $linuxdir);
+} elsif ($progname eq "tree_status.pl") {
+ print "PRISTINE = $pristine\n";
+ print "MTIME = $mtime\n";
+}
+
+exit(0);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff