Flatten git2cl submodule

5 files changed, 1148 insertions, 0 deletions

diff --git a/tools/git2cl b/tools/git2cl
deleted file mode 160000
-Subproject 8373c9f74993e218a08819cbcdbab3f3564bbeb
diff --git a/tools/git2cl/COPYING b/tools/git2cl/COPYING
new file mode 100644
index 0000000..d511905
--- /dev/null
+++ b/tools/git2cl/COPYING
@@ -0,0 +1,339 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
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+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
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+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
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+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
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+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
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+
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+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
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+
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+prohibited by law if you do not accept this License.  Therefore, by
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+all its terms and conditions for copying, distributing or modifying
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+
+  6. Each time you redistribute the Program (or any work based on the
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+You are not responsible for enforcing compliance by third parties to
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+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
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+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
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+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
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+
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+to distribute software through any other system and a licensee cannot
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+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
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+make exceptions for this.  Our decision will be guided by the two goals
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+
+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
diff --git a/tools/git2cl/README b/tools/git2cl/README
new file mode 100644
index 0000000..4084080
--- /dev/null
+++ b/tools/git2cl/README
@@ -0,0 +1,45 @@
+git2cl
+======
+
+This is a quick'n'dirty tool to convert git logs to GNU ChangeLog
+format.
+
+The tool invokes 'git log' internally unless you pipe a log to it.
+Thus, typically you would use it as follows:
+
+...........................................................................
+jas@mocca:~/src/libtasn1$ git2cl > ChangeLog
+jas@mocca:~/src/libtasn1$
+...........................................................................
+
+If you don't want git2cl to invoke git log internally, you can use it
+as a pipe.  It needs a git log generated with --pretty --numstat and
+--summary.  You can use it as follows:
+
+...........................................................................
+jas@mocca:~/src/libtasn1$ git log --pretty --numstat --summary | ~/src/git2cl/git2cl > ChangeLog
+jas@mocca:~/src/libtasn1$
+...........................................................................
+
+The output format is specified by:
+
+link:http://www.gnu.org/prep/standards/html_node/Change-Logs.html[]
+
+My inspiration for writing this tool was the
+link:http://www.red-bean.com/cvs2cl/[cvs2cl] tool, which I have been
+using in several projects.  Replacing it was necessary to seriously
+consider switching from CVS to GIT for my projects.
+
+The canonical home page for git2cl is:
+link:http://josefsson.org/git2cl/[] and its repository can be found at
+link:http://repo.or.cz/w/git2cl.git[].
+
+Credits
+-------
+
+Luis Mondesi contributed several improvements.
+
+Support
+-------
+
+Try talking to mailto:simon@josefsson.org[Simon Josefsson].
diff --git a/tools/git2cl/README.html b/tools/git2cl/README.html
new file mode 100644
index 0000000..f82da5d
--- /dev/null
+++ b/tools/git2cl/README.html
@@ -0,0 +1,392 @@
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+    "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">

+<head>

+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

+<meta name="generator" content="AsciiDoc 8.2.7" />

+<style type="text/css">

+/* Debug borders */

+p, li, dt, dd, div, pre, h1, h2, h3, h4, h5, h6 {

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+

+body {

+  margin: 1em 5% 1em 5%;

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+  color: #527bbd;

+  font-family: sans-serif;

+  font-weight: bold;

+  margin-top: 0.0em;

+  margin-bottom: 0.5em;

+}

+

+div.listingblock div.content {

+  border: 1px solid silver;

+  background: #f4f4f4;

+  padding: 0.5em;

+}

+

+div.quoteblock-attribution {

+  padding-top: 0.5em;

+  text-align: right;

+}

+

+div.verseblock-content {

+  white-space: pre;

+}

+div.verseblock-attribution {

+  padding-top: 0.75em;

+  text-align: left;

+}

+

+div.exampleblock-content {

+  border-left: 2px solid silver;

+  padding-left: 0.5em;

+}

+

+/* IE6 sets dynamically generated links as visited. */

+div#toc a:visited { color: blue; }

+

+/* Because IE6 child selector is broken. */

+div.olist2 ol {

+  list-style-type: lower-alpha;

+}

+div.olist2 div.olist ol {

+  list-style-type: decimal;

+}

+</style>

+<title>git2cl</title>

+</head>

+<body>

+<div id="header">

+<h1>git2cl</h1>

+</div>

+<div id="preamble">

+<div class="sectionbody">

+<div class="para"><p>This is a quick'n'dirty tool to convert git logs to GNU ChangeLog

+format.</p></div>

+<div class="para"><p>The tool invokes <em>git log</em> internally unless you pipe a log to it.

+Thus, typically you would use it as follows:</p></div>

+<div class="literalblock">

+<div class="content">

+<pre><tt>jas@mocca:~/src/libtasn1$ git2cl &gt; ChangeLog

+jas@mocca:~/src/libtasn1$</tt></pre>

+</div></div>

+<div class="para"><p>If you don't want git2cl to invoke git log internally, you can use it

+as a pipe.  It needs a git log generated with &#8212;pretty &#8212;numstat and

+&#8212;summary.  You can use it as follows:</p></div>

+<div class="literalblock">

+<div class="content">

+<pre><tt>jas@mocca:~/src/libtasn1$ git log --pretty --numstat --summary | ~/src/git2cl/git2cl &gt; ChangeLog

+jas@mocca:~/src/libtasn1$</tt></pre>

+</div></div>

+<div class="para"><p>The output format is specified by:</p></div>

+<div class="para"><p><a href="http://www.gnu.org/prep/standards/html_node/Change-Logs.html">http://www.gnu.org/prep/standards/html_node/Change-Logs.html</a></p></div>

+<div class="para"><p>My inspiration for writing this tool was the

+<a href="http://www.red-bean.com/cvs2cl/">cvs2cl</a> tool, which I have been

+using in several projects.  Replacing it was necessary to seriously

+consider switching from CVS to GIT for my projects.</p></div>

+<div class="para"><p>The canonical home page for git2cl is:

+<a href="http://josefsson.org/git2cl/">http://josefsson.org/git2cl/</a> and its repository can be found at

+<a href="http://repo.or.cz/w/git2cl.git">http://repo.or.cz/w/git2cl.git</a>.</p></div>

+</div>

+</div>

+<h2 id="_credits">Credits</h2>

+<div class="sectionbody">

+<div class="para"><p>Luis Mondesi contributed several improvements.</p></div>

+</div>

+<h2 id="_support">Support</h2>

+<div class="sectionbody">

+<div class="para"><p>Try talking to <a href="mailto:simon@josefsson.org">Simon Josefsson</a>.</p></div>

+</div>

+<div id="footer">

+<div id="footer-text">

+Last updated 2008-08-27 12:42:17 CEST

+</div>

+</div>

+</body>

+</html>

diff --git a/tools/git2cl/git2cl b/tools/git2cl/git2cl
new file mode 100755
index 0000000..1c2ab3f
--- /dev/null
+++ b/tools/git2cl/git2cl
@@ -0,0 +1,372 @@
+#!/usr/bin/perl
+
+# Copyright (C) 2007, 2008 Simon Josefsson <simon@josefsson.org>
+# Copyright (C) 2007 Luis Mondesi <lemsx1@gmail.com>
+# * calls git directly. To use it just: 
+#   cd ~/Project/my_git_repo; git2cl > ChangeLog
+# * implements strptime()
+# * fixes bugs in $comment parsing
+#   - copy input before we remove leading spaces
+#   - skip "merge branch" statements as they don't
+#     have information about files (i.e. we never
+#     go into $state 2)
+#   - behaves like a pipe/filter if input is given from the CLI
+#     else it calls git log by itself
+#
+# The functions mywrap, last_line_len, wrap_log_entry are derived from
+# the cvs2cl tool, see <http://www.red-bean.com/cvs2cl/>:
+# Copyright (C) 2001,2002,2003,2004 Martyn J. Pearce <fluffy@cpan.org>
+# Copyright (C) 1999 Karl Fogel <kfogel@red-bean.com>
+#
+# git2cl is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# git2cl is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with git2cl; see the file COPYING.  If not, write to the Free
+# Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+use strict;
+use POSIX qw(strftime);
+use Text::Wrap qw(wrap);
+use FileHandle;
+
+use constant EMPTY_LOG_MESSAGE => '*** empty log message ***';
+
+# this is a helper hash for stptime.
+# Assumes you are calling 'git log ...' with LC_ALL=C
+my %month = (
+    'Jan'=>0,
+    'Feb'=>1,
+    'Mar'=>2,
+    'Apr'=>3,
+    'May'=>4,
+    'Jun'=>5,
+    'Jul'=>6,
+    'Aug'=>7,
+    'Sep'=>8,
+    'Oct'=>9,
+    'Nov'=>10,
+    'Dec'=>11,
+);
+
+my $fh = new FileHandle;
+
+sub key_ready
+{
+    my ($rin, $nfd);
+    vec($rin, fileno(STDIN), 1) = 1;
+    return $nfd = select($rin, undef, undef, 0);
+}
+
+sub strptime {
+    my $str = shift;
+    return undef if not defined $str;
+
+    # we are parsing this format
+    # Fri Oct 26 00:42:56 2007 -0400
+    # to these fields
+    # sec, min, hour, mday, mon, year, wday = -1, yday = -1, isdst = -1
+    # Luis Mondesi <lemsx1@gmail.com>
+    my @date;
+    if ($str =~ /([[:alpha:]]{3})\s+([[:alpha:]]{3})\s+([[:digit:]]{1,2})\s+([[:digit:]]{1,2}):([[:digit:]]{1,2}):([[:digit:]]{1,2})\s+([[:digit:]]{4})/){
+        push(@date,$6,$5,$4,$3,$month{$2},($7 - 1900),-1,-1,-1);
+    } else {
+        die ("Cannot parse date '$str'\n'");
+    }
+    return @date;
+}
+
+sub mywrap {
+    my ($indent1, $indent2, @text) = @_;
+    # If incoming text looks preformatted, don't get clever
+    my $text = Text::Wrap::wrap($indent1, $indent2, @text);
+    if ( grep /^\s+/m, @text ) {
+	return $text;
+    }
+    my @lines = split /\n/, $text;
+    $indent2 =~ s!^((?: {8})+)!"\t" x (length($1)/8)!e;
+    $lines[0] =~ s/^$indent1\s+/$indent1/;
+    s/^$indent2\s+/$indent2/
+	for @lines[1..$#lines];
+    my $newtext = join "\n", @lines;
+    $newtext .= "\n"
+	if substr($text, -1) eq "\n";
+    return $newtext;
+}
+
+sub last_line_len {
+    my $files_list = shift;
+    my @lines = split (/\n/, $files_list);
+    my $last_line = pop (@lines);
+    return length ($last_line);
+}
+
+# A custom wrap function, sensitive to some common constructs used in
+# log entries.
+sub wrap_log_entry {
+    my $text = shift;                  # The text to wrap.
+    my $left_pad_str = shift;          # String to pad with on the left.
+
+    # These do NOT take left_pad_str into account:
+    my $length_remaining = shift;      # Amount left on current line.
+    my $max_line_length  = shift;      # Amount left for a blank line.
+
+    my $wrapped_text = '';             # The accumulating wrapped entry.
+    my $user_indent = '';              # Inherited user_indent from prev line.
+
+    my $first_time = 1;                # First iteration of the loop?
+    my $suppress_line_start_match = 0; # Set to disable line start checks.
+
+    my @lines = split (/\n/, $text);
+    while (@lines)   # Don't use `foreach' here, it won't work.
+    {
+	my $this_line = shift (@lines);
+	chomp $this_line;
+
+	if ($this_line =~ /^(\s+)/) {
+	    $user_indent = $1;
+	}
+	else {
+	    $user_indent = '';
+	}
+
+	# If it matches any of the line-start regexps, print a newline now...
+	if ($suppress_line_start_match)
+	{
+	    $suppress_line_start_match = 0;
+	}
+	elsif (($this_line =~ /^(\s*)\*\s+[a-zA-Z0-9]/)
+	       || ($this_line =~ /^(\s*)\* [a-zA-Z0-9_\.\/\+-]+/)
+	       || ($this_line =~ /^(\s*)\([a-zA-Z0-9_\.\/\+-]+(\)|,\s*)/)
+	       || ($this_line =~ /^(\s+)(\S+)/)
+	       || ($this_line =~ /^(\s*)- +/)
+	       || ($this_line =~ /^()\s*$/)
+	       || ($this_line =~ /^(\s*)\*\) +/)
+	       || ($this_line =~ /^(\s*)[a-zA-Z0-9](\)|\.|\:) +/))
+	{
+	    $length_remaining = $max_line_length - (length ($user_indent));
+	}
+
+	# Now that any user_indent has been preserved, strip off leading
+	# whitespace, so up-folding has no ugly side-effects.
+	$this_line =~ s/^\s*//;
+
+	# Accumulate the line, and adjust parameters for next line.
+	my $this_len = length ($this_line);
+	if ($this_len == 0)
+	{
+	    # Blank lines should cancel any user_indent level.
+	    $user_indent = '';
+	    $length_remaining = $max_line_length;
+	}
+	elsif ($this_len >= $length_remaining) # Line too long, try breaking it.
+	{
+	    # Walk backwards from the end.  At first acceptable spot, break
+	    # a new line.
+	    my $idx = $length_remaining - 1;
+	    if ($idx < 0) { $idx = 0 };
+	    while ($idx > 0)
+	    {
+		if (substr ($this_line, $idx, 1) =~ /\s/)
+		{
+		    my $line_now = substr ($this_line, 0, $idx);
+		    my $next_line = substr ($this_line, $idx);
+		    $this_line = $line_now;
+
+		    # Clean whitespace off the end.
+		    chomp $this_line;
+
+		    # The current line is ready to be printed.
+		    $this_line .= "\n${left_pad_str}";
+
+		    # Make sure the next line is allowed full room.
+		    $length_remaining = $max_line_length - (length ($user_indent));
+
+		    # Strip next_line, but then preserve any user_indent.
+		    $next_line =~ s/^\s*//;
+
+		    # Sneak a peek at the user_indent of the upcoming line, so
+		    # $next_line (which will now precede it) can inherit that
+		    # indent level.  Otherwise, use whatever user_indent level
+		    # we currently have, which might be none.
+		    my $next_next_line = shift (@lines);
+		    if ((defined ($next_next_line)) && ($next_next_line =~ /^(\s+)/)) {
+			$next_line = $1 . $next_line if (defined ($1));
+			# $length_remaining = $max_line_length - (length ($1));
+			$next_next_line =~ s/^\s*//;
+		    }
+		    else {
+			$next_line = $user_indent . $next_line;
+		    }
+		    if (defined ($next_next_line)) {
+			unshift (@lines, $next_next_line);
+		    }
+		    unshift (@lines, $next_line);
+
+		    # Our new next line might, coincidentally, begin with one of
+		    # the line-start regexps, so we temporarily turn off
+		    # sensitivity to that until we're past the line.
+		    $suppress_line_start_match = 1;
+
+		    last;
+		}
+		else
+		{
+		    $idx--;
+		}
+	    }
+
+	    if ($idx == 0)
+	    {
+		# We bottomed out because the line is longer than the
+		# available space.  But that could be because the space is
+		# small, or because the line is longer than even the maximum
+		# possible space.  Handle both cases below.
+
+		if ($length_remaining == ($max_line_length - (length ($user_indent))))
+		{
+		    # The line is simply too long -- there is no hope of ever
+		    # breaking it nicely, so just insert it verbatim, with
+		    # appropriate padding.
+		    $this_line = "\n${left_pad_str}${this_line}";
+		}
+		else
+		{
+		    # Can't break it here, but may be able to on the next round...
+		    unshift (@lines, $this_line);
+		    $length_remaining = $max_line_length - (length ($user_indent));
+		    $this_line = "\n${left_pad_str}";
+		}
+	    }
+	}
+	else  # $this_len < $length_remaining, so tack on what we can.
+	{
+	    # Leave a note for the next iteration.
+	    $length_remaining = $length_remaining - $this_len;
+
+	    if ($this_line =~ /\.$/)
+	    {
+		$this_line .= "  ";
+		$length_remaining -= 2;
+	    }
+	    else  # not a sentence end
+	    {
+		$this_line .= " ";
+		$length_remaining -= 1;
+	    }
+	}
+
+	# Unconditionally indicate that loop has run at least once.
+	$first_time = 0;
+
+	$wrapped_text .= "${user_indent}${this_line}";
+    }
+
+    # One last bit of padding.
+    $wrapped_text .= "\n";
+
+    return $wrapped_text;
+}
+
+# main
+
+my @date;
+my $author;
+my @files;
+my $comment;
+
+my $state; # 0-header 1-comment 2-files
+my $done = 0;
+
+$state = 0;
+
+# if reading from STDIN, we assume that we are
+# getting git log as input
+if (key_ready())
+{
+
+    #my $dummyfh; # don't care about writing
+    #($fh,$dummyfh) = FileHandle::pipe;
+    $fh->fdopen(*STDIN, 'r');
+}
+else
+{
+    $fh->open("LC_ALL=C git log --pretty --numstat --summary|")
+	or die("Cannot execute git log...$!\n");
+}
+
+while (my $_l = <$fh>) {
+    #print STDERR "debug ($state, " . (@date ? (strftime "%Y-%m-%d", @date) : "") . "): `$_'\n";
+    if ($state == 0) {
+	if ($_l =~ m,^Author: (.*),) {
+	    $author = $1;
+	}
+	if ($_l =~ m,^Date: (.*),) {
+	    @date = strptime($1);
+	}
+	$state = 1 if ($_l =~ m,^$, and $author and (@date+0>0));
+    } elsif ($state == 1) {
+        # * modifying our input text is a bad choice
+        #   let's make a copy of it first, then we remove spaces 
+        # * if we meet a "merge branch" statement, we need to start
+        #   over and find a real entry
+        # Luis Mondesi <lemsx1@gmail.com>
+        my $_s = $_l;
+	$_s =~ s/^    //g;
+        if ($_s =~ m/^Merge branch/)
+        {
+            $state=0;
+            next;
+        }
+	$comment = $comment . $_s;
+	$state = 2 if ($_l =~ m,^$,);
+    } elsif ($state == 2) {
+	if ($_l =~ m,^([0-9]+)\t([0-9]+)\t(.*)$,) {
+	    push @files, $3;
+	}
+	$done = 1 if ($_l =~ m,^$,);
+    }
+
+    if ($done) {
+	print (strftime "%Y-%m-%d  $author\n\n", @date);
+
+	my $files = join (", ", @files);
+	$files = mywrap ("\t", "\t", "* $files"), ": ";
+
+	if (index($comment, EMPTY_LOG_MESSAGE) > -1 ) {
+	    $comment = "[no log message]\n";
+	}
+
+	my $files_last_line_len = 0;
+	$files_last_line_len = last_line_len($files) + 1;
+	my $msg = wrap_log_entry($comment, "\t", 69-$files_last_line_len, 69);
+
+	$msg =~ s/[ \t]+\n/\n/g;
+
+	print "$files: $msg\n";
+
+	@date = ();
+	$author = "";
+	@files = ();
+	$comment = "";
+
+	$state = 0;
+	$done = 0;
+    }
+}
+
+if (@date + 0)
+{
+    print (strftime "%Y-%m-%d  $author\n\n", @date);
+    my $msg = wrap_log_entry($comment, "\t", 69, 69);
+    $msg =~ s/[ \t]+\n/\n/g;
+    print "\t* $msg\n";
+}