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author | Mystery Man <unknown@mandriva.org> | 2004-06-15 16:50:22 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2004-06-15 16:50:22 +0000 |
commit | 8ea9beca90c410e12593fedfb6e741dbdf8795d0 (patch) | |
tree | 544a377d0ea57462110009fbbbfd14473390e2a1 /perl-install/commands.pm | |
parent | b5dc638815c772056e07cd013f5b1674900456d5 (diff) | |
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This commit was manufactured by cvs2svn to create branch 'mandrakesoft'.topic/mandrakesoft
Diffstat (limited to 'perl-install/commands.pm')
-rw-r--r-- | perl-install/commands.pm | 499 |
1 files changed, 0 insertions, 499 deletions
diff --git a/perl-install/commands.pm b/perl-install/commands.pm deleted file mode 100644 index d5d511b8b..000000000 --- a/perl-install/commands.pm +++ /dev/null @@ -1,499 +0,0 @@ -package commands; # $Id$ - -#-######################################################################## -#- 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, swapon, -#- swapoff, ls, cp, ps, dd, head, tail, strings, hexdump, more, insmod, -#- modprobe, route, df, kill, lspci, lssbus, dmesg, sort, du, -#-######################################################################## - -use diagnostics; -use strict; -use vars qw($printable_chars *ROUTE *DF *PS); - -#-###################################################################################### -#- misc imports -#-###################################################################################### -use MDK::Common::System; -use common; - -#-###################################################################################### -#- 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 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 which { - ARG: foreach (@_) { foreach my $c (split /:/, $ENV{PATH}) { -x "$c/$_" and print("$c/$_\n"), next ARG } } -} - -sub grep_ { - my ($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/ xor $v) and print while <>; -} - -sub tr_ { - my ($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" : - $dev =~ /fd/ ? "vfat" : "ext2"; - - require fs; - require modules; - modules::load_dependencies("/modules/modules.dep"); - fs::mount($dev, $where, $fs, $r); -} - -sub umount { - @_ == 1 or die "umount expects a single argument\n"; - - require fs; - fs::umount($_[0]); -} - -sub mkdir_ { - my ($_rec) = getopts(\@_, qw(p)); - mkdir_p($_) foreach @_; -} - - -sub mknod { - if (@_ == 1) { - require devices; - eval { devices::make($_[0]) }; $@ and die "mknod: failed to create $_[0]\n"; - } elsif (@_ == 4) { - require c; - 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 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 { - @_ >= 2 or die "usage: cp <sources> <dest>\n(this cp does -Rfl by default)\n"; - cp_af(@_); -} - -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 $page = c::getpagesize() / 1024; - - open PS, ">&STDOUT"; #- PS must be not be localised otherwise the "format PS" fails - format PS_TOP = - PID RSS %CPU CMD -. - format PS = -@>>>> @>>>> @>>> @<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< -$pid, $rss, $cpu, $cmd -. - foreach (sort { $a <=> $b } grep { /\d+/ } all('/proc')) { - $pid = $_; - my @l = split(' ', cat_("/proc/$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)); - $h || @_ < to_bool($n) and die "usage: $0 [-h] [-n lines] [<file>]\n"; - $n = $n ? shift : 10; - my $fh; @_ ? open($fh, $_[0]) || die "error: can't open file $_[0]\n" : ($fh = *STDIN); - - if ($0 eq 'head') { - local $_; - while (<$fh>) { $n-- or return; print } - } else { - @_ = (); - local $_; - while (<$fh>) { 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; - local $_; - while (<>) { - while (/[$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 = @_; - local $_; - while (<>) { - printf "%08lX ", $i; $i += 16; - print join(" ", (map { sprintf "%02X", $_ } unpack("C*", $_)), - (s/[^$printable_chars]/./og, $_)[1]), "\n"; - } -} - -sub more { - @ARGV = @_; - require devices; - my $tty = devices::make('tty'); - my $n = 0; - open(my $IN, $tty) or die "can't open $tty\n"; - local $_; - while (<>) { - if (++$n == 25) { - my $v = <$IN>; - $v =~ /^q/ and exit 0; - $n = 0; - } - print - } -} - -sub insmod { - my ($h) = getopts(\@_, qw(h)); - $h || @_ == 0 and die "usage: insmod <module> [options]\n"; - my $f = shift; - - require run_program; - require modules; - - if (! -r $f) { - my $name = basename($f); - $name =~ s/\.k?o$//; - ($f) = modules::extract_modules('/tmp', $name); - } - if (! -r $f) { - die "can't find module $f\n"; - } - run_program::run(["/usr/bin/insmod_", "insmod"], "-f", $f, @_) or die("insmod $f failed"); - unlink $f; -} - -sub modprobe { - my ($h) = getopts(\@_, qw(h)); - $h || @_ == 0 and die "usage: modprobe <module> [options]\n"; - my $name = shift; - require modules; - modules::load_dependencies("/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 ' ', $titles; - my %l; - open ROUTE, ">&STDOUT"; #- ROUTE must be not be localised otherwise the "format ROUTE" fails - format ROUTE_TOP = -Destination Gateway Mask Iface -. - format ROUTE = -@<<<<<<<<<<<< @<<<<<<<<<<<< @<<<<<<<<<<<< @<<<<<<< -$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, $size, $free, $used, $use, $mntpoint); - open DF, ">&STDOUT"; #- DF must be not be localised otherwise the "format DF" fails - format DF_TOP = -Filesystem Size Used Avail Use Mounted on -. - format DF = -@<<<<<<<<<<<<<<<< @>>>>>>> @>>>>>>> @>>>>>>> @>>>>>% @<<<<<<<<<<<<<<<<<<<<<<<<< -$dev, $size, $used, $free, $use, $mntpoint -. - my %h; - foreach (cat_("/proc/mounts"), cat_("/etc/mtab")) { - ($dev, $mntpoint) = split; - $h{$dev} = $mntpoint; - } - foreach (sort keys %h) { - $dev = $_; - ($size, $free) = MDK::Common::System::df($mntpoint = $h{$dev}); - $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: $!\n"; -} - -sub lspci() { - require detect_devices; - print join "\n", detect_devices::stringlist(), ''; -} -*lssbus = \&lspci; - -sub dmesg() { print cat_("/tmp/syslog") } - -sub sort { - my ($n, $h) = getopts(\@_, qw(nh)); - $h and die "usage: sort [-n] [<file>]\n"; - my $fh; @_ ? open($fh, $_[0]) || die "error: can't open file $_[0]\n" : ($fh = *STDIN); - if ($n) { - print(sort { $a <=> $b } <$fh>); - } else { - print(sort <$fh>); - } -} - -sub du { - my ($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; - $s; - }; - print &$f($_) >> 1, "\t$_\n" foreach @_ ? @_ : glob_("*"); -} - -sub install_cpio($$;@) { - my ($dir, $name, @more) = @_; - - return "$dir/$name" if -e "$dir/$name"; - - my $cpio = "$dir.cpio.bz2"; - -e $cpio or return; - - eval { rm("-r", $dir) }; - mkdir $dir, 0755; - require run_program; - - my $more = join " ", map { $_ && "$_ $_/*" } @more; - run_program::run("cd $dir ; $ENV{LD_LOADER} bzip2 -cd $cpio | $ENV{LD_LOADER} cpio -id $name $name/* $more"); - - "$dir/$name"; -} - -sub bug { - my ($h) = getopts(\@_, "h"); - $h and die "usage: bug\nput file report.bug on fat formatted floppy\n"; - - require detect_devices; - mount devices::make(detect_devices::floppy()), "/fd0"; - - require install_any; - output("/fd0/report.bug", install_any::report_bug("/mnt")); #- no other way :-( - umount "/fd0"; - common::sync(); -} - -sub loadkeys { - my ($h) = getopts(\@_, "h"); - $h || @_ != 1 and die "usage: loadkeys <keyboard>\n"; - - require keyboard; - keyboard::setup({ KEYBOARD => $_[0] }); -} - -sub sync() { common::sync() } - -1; |