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#!/usr/bin/perl -w
use strict;
my $dbixs_rev_file = "dbixs_rev.h";
my $is_make_dist;
my $svnversion;
if (is_dbi_svn_dir(".")) {
$svnversion = `svnversion -n`;
}
elsif (is_dbi_svn_dir("..")) {
# presumably we're in a subdirectory because the user is doing a 'make dist'
$svnversion = `svnversion -n ..`;
$is_make_dist = 1;
}
else {
# presumably we're being run by an end-user because their file timestamps
# got messed up
print "Skipping regeneration of $dbixs_rev_file\n";
utime(time(), time(), $dbixs_rev_file); # update modification time
exit 0;
}
my @warn;
die "Neither current directory nor parent directory are an svn working copy\n"
unless $svnversion and $svnversion =~ m/^\d+/;
push @warn, "Mixed revision working copy ($svnversion:$1)"
if $svnversion =~ s/:(\d+)//;
push @warn, "Code modified since last checkin"
if $svnversion =~ s/[MS]+$//;
warn "$dbixs_rev_file warning: $_\n" for @warn;
die "$0 failed\n" if $is_make_dist && @warn;
write_header($dbixs_rev_file, DBIXS_REVISION => $svnversion, \@warn);
sub write_header {
my ($file, $macro, $version, $comments_ref) = @_;
open my $fh, ">$file" or die "Can't open $file: $!\n";
unshift @$comments_ref, scalar localtime(time);
print $fh "/* $_ */\n" for @$comments_ref;
print $fh "#define $macro $version\n";
close $fh or die "Error closing $file: $!\n";
print "Wrote $macro $version to $file\n";
}
sub is_dbi_svn_dir {
my ($dir) = @_;
return (-d "$dir/.svn" && -f "$dir/MANIFEST.SKIP");
}