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/help/help-en/pkgfmt.ama
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Package files provide an easy way to manage software on SvarDOS. These
packages must adhere to a strict convention so they can be handled properly
by the SvarDOS package manager.
 
 
%hPackage filenames
 
Packages names must follow some basic rules. They shall be max. 8 letters long
(but should not be too short either, since a 1 or 2-letters package name might
be confusing), and must not be composed of characters other than a-b, 0-9 and
'_'. This for backward compatibility with short file names (8+3) and ISO 9660
file systems (used on CDROMs). The package filename is always followed by the
.ZIP extension.
 
 
%hPackage files
 
SvarDOS uses ZIP files as its package file format. This format has been chosen
because ZIP files under DOS have become the de facto way to distribute
collections of files. Also, the ZIP file format is well documented, well
supported, and in the public domain.
 
Here below is the recommended command line that can be used to create a
package for a program named EXAMPLE using info-zip:
 
zip -9rk EXAMPLE.ZIP subdir1 subdir2 ... subdirN
 
If you are using 7za to create your packages, then use this:
 
7za a -mm=deflate -mx=9 -tzip EXAMPLE.ZIP subdir1 subdir2 ... subdirN
 
 
%hPackage directory structure
 
The directory structure of a package depends on the type of packages.
For "core" packages, we have this:
 
APPINFO Put the program's LSM file here
BIN Binaries, such as exe and com files
DOC\%PKGNAME% Package documentation
HELP Used ONLY by the "help" package
NLS\%PKGNAME% Localizations (NLS language files) of the package
SOURCE\%PKGNAME% The source code (optional)
 
Non-core packages use a slightly different directory organization. For
example, if we were to consider a package FOO, we might end up with the
following structure:
 
APPINFO\FOO.LSM Package meta file for the FOO program
PROGS\FOO\FOO.EXE The program's executable
PROGS\FOO\FOO.TXT Some documentation
PROGS\FOO\FILE.DAT Data file used by the FOO program
SOURCE\FOO\* here would be stored the foo's source code (optional)
 
Note the 'PROGS' directory above. This is a category to which the package
belong. The package installer might change this directory at install time,
depending on the user's preferences. Possible categories are listed below:
 
Category | Description
DEVEL | Development tools (mostly compilers)
DRIVERS | Drivers
GAMES | Games
PROGS | User programs, tools...
 
Note: "DOC", "NLS", "BIN" and "HELP" directories are strictly reserved to
CORE packages.
 
%hLSM meta-data files
 
Every package MUST contain an LSM file in its "APPINFO" directory. This LSM
file is a text file that contains basic information about the package. Its
format is very simple, it must contain at least two lines:
 
version: x.y.z
description: package description
 
Any other lines are ignored by the SvarDOS package manager.