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|
#!/usr/bin/perl
#
# checks files for TABs and raises error if TABs found
# (TABs are evil, cause they have no default width)
#
# As well checks for older ARB compile logs and removes them
use strict;
use warnings;
my $forceAll = 0; # 1 -> force scan of all files if no stamp, 0 -> assume all ok, scan only new files
my $defsStart = 15; # lineno of start of definition
my $checkForOldLogs = 1; # whether to check for old logfile and delete them
my %scan_extension = map { $_ => 1; } (
'c', 'h',
'cxx', 'hxx',
'cpp', 'hpp',
'f', 'inc',
'm4', 'status', 'in',
'txt', 'doc', 'README', 'readme',
'sh',
'pl', 'pm', 'PL', 'cgi',
'java',
'head', 'header', 'default', 'footer',
'makefile',
'template',
'dat',
'dtd', 'xsl',
'eft', 'ift', 'ift2', 'amc',
'sellst',
'mask',
'aisc', 'pa',
'source', 'menu',
'mat', 'conf',
);
my %auto_determine = map { $_ => 1; } (
'x', 'jar',
);
my %ignore_extension = map { $_ => 1; } (
'a', 'o', 'so',
'class',
'html', 'bitmap', 'ps', 'icon', 'hlp', 'help',
'gif', 'png', 'fig', 'vfont', 'SAVE',
'tgz', 'gz',
'lst', 'depends',
'md5', 'bs', 'xs',
'exists', 'ignore', '3pm',
'arb', 'seq', 'genmenu',
'init', 'cvsignore', 'log', 'am', 'org',
'last_gcc', 'last_compiler', 'csv',
'b', 'n', 'helpfiles',
'ms', 'gon', 'pep', 'bla', 'tct', 'comm',
'before', 'v1', 'data', 'pdb', 'embl', 'xpm', 'big',
'2_manual_postscript', '2_manual_text',
'stamp',
);
my %ignored_subdirs = map { $_ => 1; } (
'GDE',
'READSEQ',
'HEADERLIBS',
'patches',
'UNIT_TESTER/flags',
'UNIT_TESTER/logs',
'UNIT_TESTER/run',
'UNIT_TESTER/sockets',
'UNIT_TESTER/tests',
'UNIT_TESTER/valgrind',
'bin',
);
my %ignored_relpath = map { $_ => 1; } (
'NAMES_COM/names_client.h',
'NAMES_COM/names_server.h',
'PROBE_COM/PT_com.h',
'PROBE_COM/PT_server.h',
);
my $tab_count = 0;
my $files_newer_than = 0;
sub getModtime($) {
my ($file) = @_;
my @st = stat($file);
if (not @st) { die "can't stat '$file' ($!)"; }
return $st[9];
}
sub scan_for_tabs($) {
my ($file) = @_;
my $has_tabs = `grep -m 1 -n -H '\t' $file`;
# print "$file:0: has_tabs='$has_tabs'\n";
if ($has_tabs ne '') {
my $pos = "$file:0:";
if ($has_tabs =~ /^[^:]+:[0-9]+:/) {
$pos = $&;
}
print "$pos contains tabs. Tabs are not allowed.\n";
$tab_count++;
if ($tab_count>10) { die "Further scan skipped.\n"; }
}
}
sub recurse_dirs($$);
sub recurse_dirs($$) {
my ($dir,$basedir) = @_;
my @subdirs = ();
my $subdir = '';
if ($dir ne $basedir) {
$subdir = substr($dir,length($basedir)+1);
if (defined $ignored_subdirs{$subdir}) {
# print "Ignoring '$subdir' (dir='$dir')\n";
return;
}
}
opendir(DIR, $dir) || die "can't read directory '$dir' (Reason: $!)";
foreach (readdir(DIR)) {
if ($_ ne '.' and $_ ne '..') {
my $full = $dir.'/'.$_;
my $rel = $subdir.'/'.$_;
if (-l $full) {
# print "$full:0: link -- skipped\n";
}
elsif (-d $full) {
if ($_ ne 'CVS' and
$_ ne '.svn' and
$_ ne 'ARB_SOURCE_DOC' and
$_ ne 'old_help' and
$_ ne 'PERL2ARB' and
$_ ne 'GENC' and $_ ne 'GENH'
) {
push @subdirs, $full;
}
}
elsif (-f $full) {
my $scan = -1;
my $determine = 0;
my $modtime = getModtime($full);
if ($modtime<$files_newer_than) {
# file was created before last run of tabBrake.pl
$scan = 0;
# check if it's a log from an aborted compile
if (/^[^.]+\.([0-9]+)\.log$/o) {
if ($checkForOldLogs and $modtime<($files_newer_than-3*60)) {
print "Old log file: $full -- removing\n";
unlink($full) || print "$full:0: can't unlink (Reason: $!)\n";
}
}
}
elsif (defined $ignored_relpath{$rel}) {
# print "$full:0: excluded by relpath '$rel'\n";
$scan = 0;
}
else {
if (/\.([^.]+)$/) { # file with extension
my $ext = $1;
if (exists $ignore_extension{$ext}) {
# print "$full:0: excluded by extension '$ext'\n";
$scan = 0;
}
elsif (exists $scan_extension{$ext}) {
# print "$full:0: scan!\n";
$scan = 1;
}
elsif (exists $auto_determine{$ext}) {
# print "$full:0: scan!\n";
$determine = 1;
}
else {
if ($ext =~ /^[0-9]+$/
) {
$scan = 0;
}
elsif ($full =~ /util\/config\./ or
$full =~ /lib\/config\./
) {
$scan = 1;
}
else {
# print "$full:0: a '$ext' file\n";
}
}
}
else {
if (/Makefile/ or
/ChangeLog/
) {
$scan = 0;
}
else {
$determine = 1;
}
}
if ($determine==1) {
$scan==-1 || die "logic error";
my $file_says = `file $full`;
if ($file_says =~ /^[^:]+:[ ]*(.*)$/) {
$file_says = $1;
}
else {
die "Can't parse output from 'file'-command";
}
if ($file_says =~ /executable/ or
$file_says eq 'empty' or
$file_says eq 'data' or
$file_says eq 'IFF data' or
$file_says =~ /archive.*data/
) {
$scan = 0;
}
elsif ($file_says =~ /shell.*script/ or
$file_says =~ /ASCII.*text/ or
$file_says =~ /ISO.*text/ or
$file_says =~ /perl.*script/
) {
$scan = 1;
}
else {
print "$full:0: file_says='$file_says'\n";
}
}
}
if ($scan==-1) {
if (/^#.*#$/) {
print "$full:1: a lost file?\n";
}
else {
# die "Don't know what to do with '$full'";
}
}
elsif ($scan==1) {
scan_for_tabs($full);
# print "$full:0: scanning..\n";
}
}
}
}
closedir(DIR);
foreach (@subdirs) {
recurse_dirs($_,$basedir);
}
}
# --------------------------------------------------------------------------------
print "--- TAB brake ---\n";
my $ARBHOME = $ENV{'ARBHOME'};
if (not defined $ARBHOME) {
die "'ARBHOME' not defined";
}
my $time_stamp = $ARBHOME.'/SOURCE_TOOLS/stamp.tabBrake';
my $exitcode = 0;
if (-f $time_stamp) {
$files_newer_than = getModtime($time_stamp);
print "Checking files newer than ".localtime($files_newer_than)."\n";
}
else {
if ($forceAll==1) {
print "Initial call - checking all files\n";
$files_newer_than = 0;
}
else {
print "Initial call - assuming everything is TAB-free\n";
$files_newer_than = time;
$checkForOldLogs = 0; # do not check for old logs (sometimes fails on fresh checkouts, e.g. in jenkins build server)
}
}
if ($exitcode==0) {
`touch $time_stamp`; # mark time of last try
# i.e. user inserts TAB to file -> fail once
}
recurse_dirs($ARBHOME,$ARBHOME);
if ($tab_count>0) {
$exitcode = 1;
print $ARBHOME.'/SOURCE_TOOLS/tabBrake.pl:'.$defsStart.': Warning: what may contain TABs is defined here'."\n";
}
exit($exitcode);
|
