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APPLYPATCH(1)	      User Contributed Perl Documentation	 APPLYPATCH(1)

NAME
       applypatch - apply 'makepatch' generated	script to update a source tree

SYNOPSIS
       applypatch [ options ] patch-kit

DESCRIPTION
       Applypatch applies a patch kit as generated by the makepatch program.
       It performs the following actions:

       o   First, it will extensively verify that the patch kit	is complete
	   and did not get corrupted during transfer.

       o   Then	it will	apply some heuristics to verify	that the directory in
	   which the patch will	be applied does	indeed contain the expected
	   sources.

	   If a	corruption or verification error is detected, applypatch exits
	   without making changes.

       o   If the kit is okay, and the directory seems to be the right one: it
	   creates new files and directories as	necessary.

       o   Then	it runs	the patch program to apply the patch to	the source
	   files.

       o   Upon	completion, obsolete files, directories	and .orig files	are
	   removed, file modes of new files are	set, and the timestamps	of all
	   patched files are adjusted.

Applypatch arguments
       Applypatch takes	one argument, the name of the patch kit	as generated
       by makepatch. If	no name	is specified, the patch	kit is read from
       standard	input.

Applypatch options
       Options are matched case	insensitive, and may be	abbreviated to
       uniqueness.

       -directory dir
	   The name of the source directory to be patched.

       -check
	   Perform the checks on the patch kit and patch directory, but	do not
	   make	any changes.

       -force
	   Force continuation of the patch process even	when corruption	or
	   verification	errors are detected. This is very dangerous!

       -retain
	   Do not remove patch backup files (with extension ".orig") upon
	   completion.

       -patch cmd
	   The patch command to	be used. Default is ""patch -p0	-N"".
	   Additionally, a ""-s"" will be added	unless option -verbose was
	   specified.

       -verbose
	   This	option will cause applypatch and the patch program to emit
	   verbose progress information.

       -quiet
	   This	option will cause applypatch and the patch program to emit no
	   progress information, only error messages.

Environment variables
       SIMPLE_BACKUP_SUFFIX
	   The suffix used by (some versions of?) patch	to back	up the
	   originals of	patched	files. Upon completion,	these files are
	   removed by applypatch unless	the option -retain was specified.
	   Default value if "".orig"".

SEE ALSO
       makepatch(1), diff(1), patch(1),	perl(1), rm(1).

AUTHOR AND CREDITS
       This program is written by Johan	Vromans	<jvromans@squirrel.nl>.

       See section AUTHOR AND CREDITS of the makepatch program for an
       extensive list of people	that helped one	way or another in the
       makepatch / applypatch project.

COPYRIGHT AND DISCLAIMER
       This program is Copyright 1992,1999,2006	by Squirrel Consultancy. All
       rights reserved.

       This program is free software; you can redistribute it and/or modify it
       under the terms of either: a) the GNU General Public License as
       published by the	Free Software Foundation; either version 1, or (at
       your option) any	later version, or b) the "Artistic License" which
       comes with Perl.

       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	either the GNU
       General Public License or the Artistic License for more details.

perl v5.32.1			  2012-10-26			 APPLYPATCH(1)

NAME | SYNOPSIS | DESCRIPTION | Applypatch arguments | Applypatch options | Environment variables | SEE ALSO | AUTHOR AND CREDITS | COPYRIGHT AND DISCLAIMER

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