drakx - Mageia Installer and base platform for many utilities

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author	Thierry Vignaud <tvignaud@mandriva.org>	2004-08-10 08:15:11 +0000
committer	Thierry Vignaud <tvignaud@mandriva.org>	2004-08-10 08:15:11 +0000
commit	060f701de71b32f2a935dcc3737f233b63a11edf (patch)
tree	1817180ee749ec84089f2c8c6585b46ae742e269 /tools/cvslog2changelog.pl
parent	01583d526c8398b466bd66e331785768dccc5b60 (diff)
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Diffstat (limited to 'tools/cvslog2changelog.pl')

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tools/cvslog2changelog.pl

1 files changed, 4 insertions, 1 deletions

#-######################################################################## #- This file implement many common shell commands: #- true, false, cat, which, dirname, basename, rmdir, lsmod, grep, tr, #- mount, umount, mkdir, mknod, ln, rm, chmod, chown, mkswap, swapon, #- swapoff, ls, cp, ps, dd, head, tail, strings, hexdump, more, insmod, #- modprobe, route, df, kill, lspci, dmesg, sort, du, #-######################################################################## package commands; use diagnostics; use strict; use vars qw($printable_chars); #-###################################################################################### #- misc imports #-###################################################################################### use common qw(:common :file :system :constant); #-##################################################################################### #- Globals #-##################################################################################### my $BUFFER_SIZE = 1024; #-###################################################################################### #- Functions #-###################################################################################### sub getopts { my $o = shift; my @r = map { '' } (@_ = split //, $_[0]); while (1) { local $_ = $o->[0]; $_ && /^-/ or return @r; for (my $i = 0; $i < @_; $i++) { /$_[$i]/ and $r[$i] = $_[$i]; } shift @$o; } @r; } sub true { exit 0 } sub false { exit 1 } sub cat { @ARGV = @_; print while <> } sub which { ARG: foreach (@_) { foreach my $c (split /:/, $ENV{PATH}) { -x "$c/$_" and print("$c/$_\n"), next ARG; }}} sub dirname_ { print dirname(@_), "\n" } sub basename_ { print basename(@_), "\n" } sub rmdir_ { foreach (@_) { rmdir $_ or die "rmdir: can't remove $_\n" } } sub lsmod { print "Module Size Used by\n"; cat("/proc/modules"); } sub grep_ { my ($h, $v, $i) = getopts(\@_, qw(hvi)); @_ == 0 || $h and die "usage: grep <regexp> [files...]\n"; my $r = shift; $r = qr/$r/i if $i; @ARGV = @_; (/$r/ ? $v || print : $v && print) while <> } sub tr_ { my ($s, $c, $d) = getopts(\@_, qw(s c d)); @_ >= 1 + (!$d || $s) or die "usage: tr [-c] [-s [-d]] <set1> <set2> [files...]\n or tr [-c] -d <set1> [files...]\n"; my $set1 = shift; my $set2; !$d || $s and $set2 = shift; @ARGV = @_; eval "(tr/$set1/$set2/$s$d$c, print) while <>"; } sub mount { @_ or return cat("/proc/mounts"); my ($t, $r) = getopts(\@_, qw(tr)); my $fs = $t && shift; @_ == 2 or die "usage: mount [-r] [-t <fs>] <device> <dir>\n", " (use -r for readonly)\n", " (if /dev/ is left off the device name, a temporary node will be created)\n"; my ($dev, $where) = @_; $fs ||= $where =~ /:/ ? "nfs" : $dev =~ /fd/ ? "vfat" : "ext2"; require fs; require modules; modules::load_deps("/modules/modules.dep"); fs::mount($dev, $where, $fs, $r); } sub umount { @_ == 1 or die "umount expects a single argument\n"; require 'fs.pm'; fs::umount($_[0]); } sub mkdir_ { my ($rec) = getopts(\@_, qw(p)); my $mkdir; $mkdir = sub { my $root = dirname $_[0]; if (-e $root) { -d $root or die "mkdir: error creating directory $_[0]: $root is a file and i won't delete it\n"; } else { $rec or die "mkdir: $root does not exist (try option -p)\n"; &$mkdir($root); } $rec and -d $_[0] and return; mkdir $_[0], 0755 or die "mkdir: error creating directory $_: $!\n"; }; &$mkdir($_) foreach @_; } sub mknod { if (@_ == 1) { require 'devices.pm'; eval { devices::make($_[0]) }; $@ and die "mknod: failed to create $_[0]\n"; } elsif (@_ == 4) { require 'c.pm'; my $mode = $ {{"b" => c::S_IFBLK(), "c" => c::S_IFCHR()}}{$_[1]} or die "unknown node type $_[1]\n"; syscall_('mknod', my $a = $_[0], $mode | 0600, makedev($_[2], $_[3])) or die "mknod failed: $!\n"; } else { die "usage: mknod <path> [b|c] <major> <minor> or mknod <path>\n"; } } sub ln { my ($force, $soft) = getopts(\@_, qw(fs)); @_ >= 1 or die "usage: ln [-s] [-f] <source> [<dest>]\n"; my ($source, $dest) = @_; $dest ||= basename($source); $force and unlink $dest; ($soft ? symlink($source, $dest) : link($source, $dest)) or die "ln failed: $!\n"; } sub rm { my ($rec, undef) = getopts(\@_, qw(rf)); my $rm; $rm = sub { foreach (@_) { if (!-l $_ && -d $_) { $rec or die "$_ is a directory\n"; &$rm(glob_($_)); rmdir $_ or die "can't remove directory $_: $!\n"; } else { unlink $_ or die "rm of $_ failed: $!\n" } } }; &$rm(@_); } sub chmod_ { @_ >= 2 or die "usage: chmod <mode> <files>\n"; my $mode = shift; $mode =~ /^[0-7]+$/ or die "illegal mode $mode\n"; foreach (@_) { chmod oct($mode), $_ or die "chmod failed $_: $!\n" } } sub chown_ { my ($rec, undef) = getopts(\@_, qw(r)); local $_ = shift or die "usage: chown [-r] name[.group] <files>\n"; my ($name, $group) = (split('\.'), $_); my ($uid, $gid) = (getpwnam($name) || $name, getgrnam($group) || $group); my $chown; $chown = sub { foreach (@_) { chown $uid, $gid, $_ or die "chown of file $_ failed: $!\n"; -d $_ && $rec and &$chown(glob_($_)); } }; &$chown(@_); } sub mkswap { @_ == 1 or die "mkswap <device>\n"; require swap; swap::enable($_[0], 0); } sub swapon { @_ == 1 or die "swapon <file>\n"; require swap; swap::swapon($_[0]); } sub swapoff { @_ == 1 or die "swapoff <file>\n"; require swap; swap::swapoff($_[0]); } sub uncpio { @_ and die "uncpio reads from stdin\n"; # cpioInstallArchive(gzdopen(0, "r"), NULL, 0, NULL, NULL, &fail); } sub rights { my $r = '-' x 9; my @rights = (qw(x w r x w r x w r), ['t', 0], ['s', 3], ['s', 6]); for (my $i = 0; $i < @rights; $i++) { if (vec(pack("S", $_[0]), $i, 1)) { my ($val, $place) = $i >= 9 ? @{$rights[$i]} : ($rights[$i], $i); my $old = \substr($r, 8 - $place, 1); $$old = ($$old eq '-' && $i >= 9) ? uc $val : $val; } } my @types = split //, "_pc_d_b_-_l_s"; $types[$_[0] >> 12 & 0xf] . $r; } sub displaySize { my $m = $_[0] >> 12; $m == 4 || $m == 8 || $m == 10; } sub ls { my ($l , $h) = getopts(\@_, qw(lh)); $h and die "usage: ls [-l] <files...>\n"; @_ or @_ = '.'; @_ == 1 && -d $_[0] and @_ = glob_($_[0]); foreach (sort @_) { if ($l) { my @s = lstat or warn("can't stat file $_\n"), next; formline( "@<<<<<<<<< @<<<<<<< @<<<<<<< @>>>>>>>> @>>>>>>>>>>>>>>> @*\n", rights($s[2]), getpwuid $s[4] || $s[4], getgrgid $s[5] || $s[5], displaySize($s[2]) ? $s[7] : join(", ", unmakedev($s[6])), scalar localtime $s[9], -l $_ ? "$_ -> " . readlink $_ : $_); print $^A; $^A = ''; } else { print "$_\n"; } } } sub cp { my ($force) = getopts(\@_, qw(f)); @_ >= 2 or die "usage: cp [-f] <sources> <dest>\n(this cp does -Rl by default)\n"; my $cp; $cp = sub { my $dest = pop @_; @_ or return; @_ == 1 || -d $dest or die "cp: copying multiple files, but last argument ($dest) is not a directory\n"; foreach my $src (@_) { my $dest = $dest; -d $dest and $dest .= "/" . basename($src); if (-e $dest) { $force ? unlink $dest : die "file $dest already exist\n"; } if (-d $src) { -d $dest or mkdir $dest, mode($src) or die "mkdir: can't create directory $dest: $!\n"; &$cp(glob_($src), $dest); } elsif (-l $src) { unless (symlink((readlink($src) || die "readlink failed: $!"), $dest)) { my $msg = "symlink: can't create symlink $dest: $!\n"; $force ? warn $msg : die $msg; } } else { local (*F, *G); open F, $src or die "can't open $src for reading: $!\n"; open G, "> $dest" or $force or die "can't create $dest : $!\n"; foreach (<F>) { print G $_ } chmod mode($src), $dest; } } }; &$cp(@_); } sub ps { @_ and die "usage: ps\n"; my ($pid, $rss, $cpu, $cmd); my ($uptime) = split ' ', first(cat_("/proc/uptime")); my $hertz = 100; require c; my $page = c::getpagesize() / 1024; open PS, ">&STDOUT"; format PS_TOP = PID RSS %CPU CMD . format PS = @>>>> @>>>> @>>> @<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< $pid, $rss, $cpu, $cmd . foreach $pid (sort {$a <=> $b} grep { /\d+/ } all('/proc')) { my @l = split(' ', cat_("/proc/$pid/stat")); $cpu = sprintf "%2.1f", max(0, min(99, ($l[13] + $l[14]) * 100 / $hertz / ($uptime - $l[21] / $hertz))); $rss = (split ' ', cat_("/proc/$pid/stat"))[23] * $page; (($cmd) = cat_("/proc/$pid/cmdline")) =~ s/\0/ /g; $cmd ||= (split ' ', (cat_("/proc/$pid/stat"))[0])[1]; write PS; } } sub dd { my $u = "usage: dd [-h] [-p] [if=<file>] [of=<file>] [bs=<number>] [count=<number>]\n"; my ($help, $percent) = getopts(\@_, qw(hp)); die $u if $help; my %h = (if => *STDIN, of => *STDOUT, bs => 512, count => undef); foreach (@_) { /(.*?)=(.*)/ && exists $h{$1} or die $u; $h{$1} = $2; } local (*IF, *OF); my ($tmp, $nb, $read); ref $h{if} eq 'GLOB' ? *IF = $h{if} : sysopen(IF, $h{if}, 0 ) || die "error: can't open file $h{if}\n"; ref $h{of} eq 'GLOB' ? *OF = $h{of} : sysopen(OF, $h{of}, 0x41) || die "error: can't open file $h{of}\n"; $h{bs} = removeXiBSuffix($h{bs}); for ($nb = 0; !$h{count} || $nb < $h{count}; $nb++) { printf "\r%02.1d%%", 100 * $nb / $h{count} if $h{count} && $percent; $read = sysread(IF, $tmp, $h{bs}) or $h{count} ? die "error: can't read block $nb\n" : last; syswrite(OF, $tmp) or die "error: can't write block $nb\n"; $read < $h{bs} and $read = 1, last; } print STDERR "\r$nb+$read records in\n"; print STDERR "$nb+$read records out\n"; } sub head_tail { my ($h, $n) = getopts(\@_, qw(hn)); $h || @_ > 1 + bool($n) and die "usage: $0 [-h] [-n lines] [<file>]\n"; $n = $n ? shift : 10; local *F; @_ ? open(F, $_[0]) || die "error: can't open file $_[0]\n" : (*F = *STDIN); if ($0 eq 'head') { foreach (<F>) { $n-- or return; print } } else { @_ = (); foreach (<F>) { push @_, $_; @_ > $n and shift; } print @_; } } sub head { $0 = 'head'; &head_tail } sub tail { $0 = 'tail'; &head_tail } sub strings { my ($h, $o, $n) = getopts(\@_, qw(hon)); $h and die "usage: strings [-o] [-n min-length] [<files>]\n"; $n = $n ? shift : 4; $/ = "\0"; @ARGV = @_; my $l = 0; while (<>) { while (/[$printable_chars]{$n,}/og) { printf "%07d ", ($l + length $') if $o; print "$&\n" ; } $l += length; } continue { $l = 0 if eof } } sub hexdump { my $i = 0; $/ = \16; @ARGV = @_; while (<>) { printf "%08lX ", $i; $i += 16; print join(" ", (map { sprintf "%02X", $_ } unpack("C*", $_)), ($_ =~ s/[^$printable_chars]/./og, $_)[1]), "\n"; } } sub more { @ARGV = @_; require 'devices.pm'; my $tty = devices::make('tty'); local *IN; open IN, "<$tty" or die "can't open $tty\n"; my $n = 0; while (<>) { ++$n == 25 and $n = <IN>, $n = 0; print } } sub pack_ { my $t; foreach (@_) { if (-d $_) { pack_(glob_($_)); } else { print -s $_, "\n"; print $_, "\n"; local *F; open F, $_ or die "can't read file $_: $!\n"; while (read F, $t, $BUFFER_SIZE) { print $t; } } } } sub unpack_ { my $t; @_ == 1 or die "give me one and only one file to unpack\n"; local *F; open F, $_[0] or die "can't open file $_: $!\n"; while (1) { my ($size) = chop_(scalar <F>); defined $size or last; $size =~ /^\d+$/ or die "bad format (can't find file size)\n"; my ($filename) = chop_(scalar <F>) or die "expecting filename\n"; print "$filename\n"; my $dir = dirname($filename); -d $dir or mkdir_('-p', $dir); local *G; open G, "> $filename" or die "can't write file $filename: $!\n"; while ($size) { $size -= read(F, $t, min($size, $BUFFER_SIZE)) || die "data for file $filename is missing\n"; print G $t or die "error writing to file $filename: $!\n"; } } } sub insmod { my ($h) = getopts(\@_, qw(h)); $h || @_ == 0 and die "usage: insmod <module> [options]\n"; my $f = local $_ = shift; require 'run_program.pm'; #- try to install the module if it exist else extract it from archive. #- needed for cardmgr. unless (-r $f) { $_ = $1 if m@.*/([^/]*)\.o@; unless (-r ($f = "/lib/modules/$_.o")) { $f = "/tmp/$_.o"; my $cz = "/lib/modules" . (arch() eq 'sparc64' && "64") . ".cz"; -e $cz or $cz .= "2"; if (-e $cz) { run_program::run("extract_archive $cz /tmp $_.o"); } elsif (-e "/lib/modules.cpio.bz2") { run_program::run("cd /tmp ; bzip2 -cd /lib/modules.cpio.bz2 | cpio -i $_.o"); } else { die "unable to find an archive for modules"; } } } -r $f or die "can't find module $_"; run_program::run(["insmod_", "insmod"], "-f", $f, @_) or die("insmod $_ failed"); unlink $f; } sub modprobe { my ($h) = getopts(\@_, qw(h)); $h || @_ == 0 and die "usage: modprobe <module> [options]\n"; my $name = shift; require 'modules.pm'; modules::load_deps("/modules/modules.dep"); modules::load($name, '', @_); } sub route { @_ == 0 or die "usage: route\nsorry, no modification handled\n"; my ($titles, @l) = cat_("/proc/net/route"); my @titles = split ' ', $titles; my %l; open ROUTE, ">&STDOUT"; format ROUTE_TOP = Destination Gateway Mask Iface . format ROUTE = @<<<<<<<<<<<< @<<<<<<<<<<<< @<<<<<<<<<<<< @<<<<<<< $l{Destination}, $l{Gateway}, $l{Mask}, $l{Iface} . foreach (@l) { /^\s*$/ and next; @l{@titles} = split; $_ = join ".", reverse map { hex } unpack "a2a2a2a2", $_ foreach @l{qw(Destination Gateway Mask)}; $l{Destination} = 'default' if $l{Destination} eq "0.0.0.0"; $l{Gateway} = '*' if $l{Gateway} eq "0.0.0.0"; write ROUTE; } } sub df { my ($h) = getopts(\@_, qw(h)); my ($dev, $blocksize, $size, $free, $used, $use, $mntpoint); open DF, ">&STDOUT"; format DF_TOP = Filesystem Size Used Avail Use Mounted on . format DF = @<<<<<<<<<<<<<<<< @>>>>>>> @>>>>>>> @>>>>>>> @>>>>>% @<<<<<<<<<<<<<<<<<<<<<<<<< $dev, $size, $used, $free, $use, $mntpoint . my %h; foreach (cat_("/proc/mounts"), cat_("/etc/mtab")) { ($dev, $mntpoint) = split; $h{$dev} = $mntpoint; } foreach $dev (sort keys %h) { $mntpoint = $h{$dev}; my $buf = ' ' x 20000; syscall_('statfs', $mntpoint, $buf) or next; (undef, $blocksize, $size, undef, $free, undef) = unpack "L2L4", $buf; $_ *= $blocksize / 1024 foreach $size, $free; $size or next; $use = int (100 * ($size - $free) / $size); $used = $size - $free; if ($h) { $used = int ($used / 1024) . "M"; $size = int ($size / 1024) . "M"; $free = int ($free / 1024) . "M"; } write DF if $size; } } sub kill { my $signal = 15; @_ or die "usage: kill [-<signal>] pids\n"; $signal = (shift, $1)[1] if $_[0] =~ /^-(.*)/; kill $signal, @_ or die "kill failed: $!\n"; } sub lspci { require 'pci_probing/main.pm'; print join "\n", pci_probing::main::list (), ''; } sub dmesg { print cat_("/tmp/syslog"); } sub sort { my ($n, $h) = getopts(\@_, qw(nh)); $h and die "usage: sort [-n] [<file>]\n"; local *F; @_ ? open(F, $_[0]) || die "error: can't open file $_[0]\n" : (*F = *STDIN); if ($n) { print sort { $a <=> $b } <F>; } else { print sort <F>; } } sub du { my ($s, $h) = getopts(\@_, qw(sh)); $h || !$s and die "usage: du -s [<directories>]\n"; my $f; $f = sub { my ($e) = @_; my $s = (lstat($e))[12]; $s += sum map { &$f($_) } glob_("$e/*") if !-l $e && -d $e;


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