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355 lines
19 KiB
355 lines
19 KiB
23 years ago
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<!doctype debiandoc system>
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<debiandoc>
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<book>
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<titlepag>
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<title>swimrc - swim configuration file</title>
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<author>
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<name>Jonathan D. Rosenbaum</name>
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<email>mttrader@access.mountain.net</email>
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</author>
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<version><date></version>
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<copyright>
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<copyrightsummary>
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Copyright © 1999 Jonathan D. Rosenbaum
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</copyrightsummary>
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<p>
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SWIM, including this manual, is free software; you
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may redistribute it and/or modify it under the terms of the
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GNU General Public License as published by the Free Software
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Foundation; either version 2, or (at your option) any later
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version.
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</p>
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<p>
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This is distributed in the hope that it will be useful, but
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<em>without any warranty</em>; without even the implied
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warranty of merchantability or fitness for a particular
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purpose. See the GNU General Public License for more
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details.
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</p>
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<p>
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You should have received a copy of the GNU General Public
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License with the <prgn>swim</prgn> source as the file
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<tt>COPYING</tt>. If not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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</p>
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</copyright>
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</titlepag>
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<toc sect>
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<chapt id="description">DESCRIPTION
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<p>
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<prgn>swimrc</prgn> is the configuartion file for swim allowing many
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default values to be set so that they do not have to be mentioned on the
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command line. Swimrc interacts directly with Perl allowing a wide variety
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of variables found in <prgn>SWIW::Conf</prgn> to be altered.
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<chapt id="usage">USAGE
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<p>
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Values for variable can be altered for <STRONG>swim</STRONG> by assigning
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different values enclosed in quotes or quoted whitespace (qw()), and ending
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with a semi-colon.
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<P>
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<tt> $variable = ``value'';</tt>
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<p>
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<tt>$variable = ``(value1 value2 ..)'';</tt>
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<P>
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<P>
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<chapt id="variables">VARIABLES
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<p>
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This is a list of variables with explanations. The default values for
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<STRONG>swim</STRONG> are shown.
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<sect>OUTPUT VARIABLE
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<p>
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<tt>$my_number</tt> can be changed to how many lines you would like
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``swim -qf <>'' to print out, before the program asks for
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<tt>-t</tt> or <tt>--total</tt>. Exception: If <tt>-i</tt> is
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used in the query and there is more than one package then the total will
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be presented.
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<P>
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Hint: <tt>-t</tt> can be used with all the various
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<tt>--scripts</tt> family members to view the title of the script file
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regardless of this variable setting, and if <tt>-t</tt> has to be
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used, the titles will be displayed, which makes sense.
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<P>
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<strong>$my_number = 23;</strong>
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<sect>HISTORY
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<p>
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This is a shell-like history kept in relation to searches and the most
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recent edit when <tt>--stdin</tt> is used.
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<P>
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<strong>$HISTORY = 10;</strong>
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<sect>AR or DPKG?
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<p>
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Debian packages are ar archives. If you are using a Debian Distribution
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assign ``dpkg'' to $package_tool, otherwise assign ``ar'' to
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$package_tool.
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<p>
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<STRONG>$package_tool = "/usr/bin/ar";</STRONG>
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<sect>APT
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<p>
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<STRONG>Swim</STRONG> does not assign a value for apt. To use
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<tt>--apt</tt> and <tt>-xyz</tt> assign <tt>$apt</tt> the
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value ``yes''.
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<P>
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Example: <STRONG>$apt = "yes";</STRONG>
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<sect>PAGER
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<p>
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<strong>less</strong> is a nice pager, unless you like
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<strong>more</strong>! Pager is used for <tt>--help</tt> and
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<STRONG>swim</STRONG> called without any options. There is an option
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<tt>--nopager</tt> or <tt>-n</tt>. <strong>more</strong> comes from the
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required package util-linux, whereas <strong>less</strong> comes from a
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standard package called less. Values: ``less'', ``more'', or ``most''
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or...
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<P>
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<STRONG>$ENV{PAGER} = "less";</STRONG>
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<sect>NOT-INSTALLED VARIABLES
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<p>
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Assign values for <tt>$architecture</tt> and/or
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<tt>$distribution</tt> to avoid having to use <tt>--arch</tt> and
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<tt>--dists</tt> everytime the not-installed databases are accessed
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with <tt>-n</tt> or made or altered.
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<P>
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Architectures are always being added so check with Debian to find a list.
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There is <EM>alpha, arm, hurd-i386 (alternative kernel to linux), i386,
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m68k, powerpc, sparc</EM>. Just use the arch found after the hyphen in the
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Contents-(arch) file.
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<P>
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<STRONG>$architecture = "i386";</STRONG>
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<P>
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The distribution can be either <EM>stable, unstable, frozen, or
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experimental (rare)</EM>. These represent the state of development that
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the packages are under. The unstable distribution can have lot's of
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changes within a very short time period, and frozen may or may not be
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available.
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<P>
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<STRONG>$distribution = "unstable";</STRONG>
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<P>
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Distributions are divided into sections. These sections were called
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distributions in the version 2.4.1.0 packaging manual, because they were
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at
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one time separate distributions, but this has since changed.
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<P>
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You can determine which of the sections <EM>main, non-free, contrib or
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non-US</EM> to pull out of the Contents file if you don't want to use
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<tt>--main</tt>, <tt>--contrib</tt>, <tt>--non-free</tt>, and
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<tt>--non-us</tt> to selectively pick the sections.
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<P>
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For efficiency, you should choose the sections which you will be pulling
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out of the Packages <tt>file(s)</tt> being targetted.
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<P>
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Rule: Use ``non-US'' not ``non-us''.
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<p>
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<STRONG>@user_defined_section = qw(main contrib non-free non-US);</STRONG>
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<sect>DF LOCATION
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<p>
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A little philosophy: <STRONG>swim</STRONG> was developed for maximum
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versatility, so whether you are just interested in researching, and
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keeping tabs on the newest packages, or maintaining a Debian virtual
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distribution on a non-Debian distribution, or you are a using
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<STRONG>swim</STRONG> for distribution development, <STRONG>swim</STRONG>
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provides a way.
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<P>
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The next two variables determine the location of the DF (default
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directory/file system)
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<P>
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The default directory keeps track of Contents and/or Packages databases
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retrieved with --ftp. The Contents and Packages databases and Release file
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are give names specific to the distribution and architectures they
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represent using the naming convention found in apt's sources directory.
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You also have the freedom not to use the default directory, in which case
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swim
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will still do the renaming and keeping track of the mtime, but you will
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have to remember where you put the files.
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<P>
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<STRONG>$default_directory = '/root/.swim';</STRONG>
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<P>
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The default root directory (DRD) is the key to easy management of binary
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packages, source, dsc, and diff files received from --ftp, and provides an
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easy way to put together a personalized distribution. This directory can
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be
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a real ftp site on your computer, or put wherever else you are allowed to
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have directories. The DRD is always placed below the value assigned to
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$default_directory. According to the previous assignment to
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$default_directory, if the DRD is ``/pub/a/debian'' then the full path
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would be ``/root/.swim/pub/a/debian''.
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<P>
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Example: When a package is downloaded it will be placed in
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dists/distribution/section/architecture/subject below the DRD.
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<P>
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Rule: debian must be the final directory before dists, this is because
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other distributions are placed alongside debian, like debian-non-US or
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personal (specialized distribution).
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<P>
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<STRONG>$default_root_directory = '/pub/debian';</STRONG>
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<P>
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Because you may be using a real ftp site, this variable allows you to
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determine what permissions <STRONG>swim</STRONG> will assign for
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directories it
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creates below the DRD.
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<P>
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<STRONG>$permission = '0755';</STRONG>
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<sect>TEMPORARY DIRECTORY
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<p>
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If you want to set an alternative directory for the temporary files
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created when the databases are made, change here. You may want to make
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<tt>$tmp</tt> a RAM disk. See package loadlin for initrd documentation and
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an explanation for making such a disk. There is also documentation in
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/usr/src/kernel-source.version/Documentation. Whether this will speed
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things up is a subject of experimentation.
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<p>
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<STRONG>$tmp = "/tmp";</STRONG>
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<sect>FTP
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<p>
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You can alter the Firewall, Port, Timeout, Debug and Passive
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characteristics of the ftp client as defined in Net::FTP(3pm) by providing
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arguments to these variables. All variables but $timeout are set to untrue
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by default.
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<example>
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$firewall = 0; (FTP firewall machine name)
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$port = 0; (defaults to 23)
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$timeout = 120; (120 seconds)
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$debug = 0; (1 will turn on STDERR)
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$passive = 0; (1 will enable)
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</example>
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<chapt id="othervars">OTHER VARIABLES
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<p>
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see SWIM::Conf
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<chapt id="files">FILES
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<p>
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<tt> /etc/swim/swimrc</tt>
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<p>
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<tt>~/.swim/swimrc</tt>
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<chapt>BUGS
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<p>Send directly to mttrader@access.mountain.net.
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</book>
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</debiandoc>
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