Re: Changelogs on kernel.org

From: Tomas Szepe (szepe@pinerecords.com)
Date: Mon May 13 2002 - 08:27:34 EST


> > > Alright, another one.
> > >
> > > $ ./fmtcl2.pl /usr/src/ChangeLog-2.5.14
> > >
> > > Summary of changes from v2.5.13 to v2.5.14
> > > ============================================
> > >
> > > o kd.h (Andries.Brouwer@cwi.nl)
> > > o NTFS: Release 2.0.6 - Major bugfix to make compatible with other kernel changes. (aia21@cantab.net)
> > > o mm/memory.c: (aia21@cantab.net)
> > > o suppress allocation warnings for radix-tree allocations (akpm@zip.com.au)
> >
> > <snip>
> >
> > Ah - thats it!
>
> Not quite. In mutt, it looks like this:
>
> o kd.h
> +(Andries.Brouwer@cwi.nl)
> o NTFS: Release 2.0.6 - Major bugfix to make compatible with other kernel
> +changes. (aia21@cantab.net)
> o mm/memory.c:
> +(aia21@cantab.net)
> o suppress allocation warnings for radix-tree allocations
> +(akpm@zip.com.au)
> o radix-tree locking fix
> +(akpm@zip.com.au)
> o Allow truncate to discard unmapped buffers
> +(akpm@zip.com.au)
> o decouple swapper_space treatment from other address_spaces
>
> NOT easy to read.

Hmm, now that's true.

How's this for another try? (logwidth = 38, adjustable per taste)
Myself I'd say this is crap and a nice 140-char xterm will do much
better (you're going to see "long" lines anyway, look at the NTFS
entry below).

$ ./fmtcl3.pl /usr/src/ChangeLog-2.5.14

Summary of changes from v2.5.13 to v2.5.14
============================================

o kd.h (Andries.Brouwer@cwi.nl)
o NTFS: Release 2.0.6 - Major bugfix to make compatible with other kernel changes.
                                       (aia21@cantab.net)
o mm/memory.c: (aia21@cantab.net)
o suppress allocation warnings for radix-tree allocations
                                       (akpm@zip.com.au)
o radix-tree locking fix (akpm@zip.com.au)
o Allow truncate to discard unmapped buffers
                                       (akpm@zip.com.au)
o decouple swapper_space treatment from other address_spaces
                                       (akpm@zip.com.au)
o Allow ext3 pages to be written back by VM pressure
                                       (akpm@zip.com.au)
o Fix SMP race in truncate (akpm@zip.com.au)
o handle concurrent block_write_full_page and set_page_dirty
                                       (akpm@zip.com.au)
o Fix PG_launder (akpm@zip.com.au)
o Fix concurrent writepage and readpage
                                       (akpm@zip.com.au)
<snip>

#!/usr/bin/perl -w

use strict;

my $logwidth = 38;

my %people = ();
my $addr = "";
my @cur = ();

sub append_item()
{
        if (!$addr) { return; }
        if (!$people{$addr}) { @{$people{$addr}} = (); }
        push @{$people{$addr}}, [@cur];

        @cur = ();
}

sub print_terse_items($)
{
        my @items = @{$people{$_[0]}};
        while ($_ = shift @items) {
                my $len = length(@$_[0]);
                my $fill = ($len <= $logwidth) ? (" " x ($logwidth - $len + 1)) : ("\n" . (" " x ($logwidth + 1)));
                print "@$_[0]$fill($_[0])\n";
        }
}

while (<>) {
        # Match address
        if (/^\s*<([^>]+)>/) {
                # Add old item (if any) before beginning new
                append_item();
                $addr = $1;
        } elsif ($addr) {
                # Add line to patch
                # strip whitespace at start & end
                s/^\s*(.*)\s*$/$1/;
                # kill starting 'PATCH' captions
                s/\s*\[?PATCH\]?\s*//;
                # insert a bullet
                s/^(.*)$/o $1/;
                # Only save 1 line
                if (scalar(@cur) < 1) { push @cur, "$_"; }
        } else {
                # Header information
                print;
        }
}

append_item();
foreach $addr (sort keys %people) {
        print_terse_items($addr);
}
-
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This archive was generated by hypermail 2b29 : Tue May 14 2002 - 12:00:20 EST