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KISS PACKAGE MANAGER
________________________________________________________________________________

The KISS package manager is a small, self-contained POSIX shell script with an
emphasis on portability.

Source: $/kisslinux/kiss


[0.0] Index
________________________________________________________________________________

* Usage                                                                    [1.0]
* Dependencies                                                             [2.0]
* Configuration                                                            [3.0]
* Package Manager Hooks                                                    [4.0]
* Package Manager Extensions                                               [5.0]


[1.0] Usage
________________________________________________________________________________

+------------------------------------------------------------------------------+
| kiss                                                                         |
+------------------------------------------------------------------------------+
|                                                                              |
| -> kiss [a|b|c|d|i|l|r|s|u|v] [pkg]...                                       |
| -> alternatives   List and swap alternatives                                 |
| -> build          Build packages                                             |
| -> checksum       Generate checksums                                         |
| -> download       Download sources                                           |
| -> install        Install packages                                           |
| -> list           List installed packages                                    |
| -> remove         Remove packages                                            |
| -> search         Search for packages                                        |
| -> update         Update the system                                          |
| -> version        Package manager version                                    |
|                                                                              |
+------------------------------------------------------------------------------+


[2.0] Dependencies
________________________________________________________________________________

+-----------------------+-------------------------------------------+----------+
| Dependency            | Reason for use                            | Required |
+-----------------------+-------------------------------------------+----------|
|                       |                                           |          |
| POSIX utilities       | N/A                                       | Yes      |
| git                   | Remote repositories and git sources       | Yes [1]  |
| curl                  | Source downloads                          | Yes      |
| gnupg1 or gnupg2      | Repository signing                        | No       |
| openssl               | Checksums                                 | Yes [2]  |
| tar                   | Sources, packages, etc                    | Yes [3]  |
| gzip, bzip2, xz, zstd | Tarball compression                       | Yes [4]  |
| su, sudo, doas, ssu   | Privilege escalation                      | No [5]   |
| ldd                   | Dependency Fixer                          | No [6]   |
| readelf               | Dependency Fixer (better edition)         | No [6]   |
| strip                 | Binary Stripping                          | No [6]   |
|                       |                                           |          |
+-----------------------+-------------------------------------------+----------+

[1] Git is also required for contribution to the distribution itself. Strictly
    speaking, nothing forces you to use git. Remote repositories and git based
    sources will simply become unusable.

[2] There is no standard utility for the generation of sha256 checksums. While
    openssl is listed above, the package manager also supports sha256sum,
    sha256, shasum, and digest as fallbacks.

[3] The tar command has no standard! The POSIX equivalent is "pax" though this
    has its own issues (-s is unclear about links). Our usage of tar is merely,
    cf, xf and tf. Our usage of tar cannot become any more basic than it is now.

    Portability should not be a concern.

    Tested tar implementations include: busybox, toybox, sbase, OpenBSD, GNU
    and libarchive (though all tar implementations should work in theory).

[4] The first three compression methods are required as 99% of package sources
    use them as the tarball compression method. Nothing as of yet uses zstd in
    the official repositories.

[5] A privilege escalation utility is only needed when installing packages to
    a directory owned by another user (user -> root) or (root -> user).

[6] If missing, binary stripping and/or the dependency fixer will be disabled.


[3.0] Configuration
________________________________________________________________________________

The package manager has no configuration file and no changes need to be made to
the system prior to its use. While there is no configuration file, this does not
mean that there is no possibility for configuration.

The package manager can be configured via the use of environment variables.

+----------------+-------------------------------------------------------------+
| Variable       | Description                                                 |
+----------------+-------------------------------------------------------------+
|                |                                                             |
| KISS_CHK       | Which utility to use when checksumming sources.             |
|                | Valid: openssl, sha256sum, sha256, shasum, digest.          |
|                |                                                             |
| KISS_CHOICE    | Set to '0' to disable the alternatives system and error on  |
|                | any detected file conflicts.                                |
|                |                                                             |
| KISS_COLOR     | Enable/Disable colors. Set to '0' to disable colors.        |
|                | Color is otherwise disabled when output is not a terminal.  |
|                |                                                             |
| KISS_COMPRESS  | Compression method to use for built package tarballs.       |
|                | Valid: gz (default), bz2, lzma, lz, xz, zst.                |
|                |                                                             |
| KISS_DEBUG     | Keep temporary directories around for debugging purposes.   |
|                | Set to '1' to enable.                                       |
|                |                                                             |
| KISS_ELF       | Which readelf command to use.                               |
|                | Valid: readelf (default), readelf-*, ldd.                   |
|                |                                                             |
| KISS_FORCE     | Force installation/removal of packages by bypassing         |
|                | dependency checks, etc. Set to '1' to enable.               |
|                |                                                             |
| KISS_GET       | Which utility to use when downloading sources.              |
|                | Valid: aria2c, axel, curl, wget, wget2.                     |
|                |                                                             |
| KISS_HOOK      | Hook into the package manager. A colon separated list of    |
|                | absolute paths to executable files.                         |
|                |                                                             |
| KISS_KEEPLOG   | Keep build logs around for successful builds and not just   |
|                | failing ones. Set to '1' to enable.                         |
|                |                                                             |
| KISS_PATH      | List of repositories. This works exactly like '$PATH'       |
|                | (a colon separated list of absolute paths).                 |
|                |                                                             |
| KISS_PROMPT    | Skip all prompts. Set to '0' to say 'yes' to all prompts    |
|                | from the package manager.                                   |
|                |                                                             |
| KISS_ROOT      | Where installed packages will go. Can be used to install    |
|                | packages to somewhere other than '/'.                       |
|                |                                                             |
| KISS_STRIP     | Enable/Disable package stripping globally.                  |
|                | Set to '0' to disable.                                      |
|                |                                                             |
| KISS_SU        | Force usage of a different sudo tool.                       |
|                | NOTE: Tool must support sudo-like arguments.                |
|                |                                                             |
| KISS_TMPDIR    | Temporary directory for builds. Can be set to a tmpfs so    |
|                | builds happen in memory.                                    |
|                |                                                             |
+----------------+-------------------------------------------------------------+


[4.0] Package Manager Hooks
________________________________________________________________________________

KISS' package manager is extensible via hooks which fire at various different
places inside the utility. Hooks allow the user to modify behavior, add new
features or conditionally do things on a per-package basis.


    [4.1] Usage
    ____________________________________________________________________________

    This setting is controlled by the '$KISS_HOOK' environment variable which
    takes a colon separated list of absolute file paths to executables.

    +--------------------------------------------------------------------------+
    |                                                                          |
    |  export KISS_HOOK=$HOME/.local/bin/kiss-hook:/path/to/other/hook         |
    |                                                                          |
    +--------------------------------------------------------------------------+


    [4.2] List of hooks
    ____________________________________________________________________________

    Each hook is executed in the order it appears in KISS_HOOK and is given its
    own environment/arguments accordingly. The hooks are documented as follows.

    +---------------+--------+----------+--------------------+-----------------+
    | hook          | arg1   | arg2     | arg3               | arg4            |
    +---------------+--------+----------+--------------------+-----------------+
    |               |        |          |                    |                 |
    | build-fail    | type   | package  | Build directory    |                 |
    | post-build    | type   | package  | DESTDIR            |                 |
    | post-install  | Type   | Package  | Installed database |                 |
    | post-package  | Type   | Package  | Tarball            |                 |
    | post-source   | Type   | Package  | Verbatim source    | Resolved source |
    | post-update   | Type   | [7]      |                    |                 |
    | pre-build     | Type   | Package  | Build directory    |                 |
    | pre-extract   | Type   | Package  | DESTDIR            |                 |
    | pre-install   | Type   | Package  | Extracted package  |                 |
    | pre-remove    | Type   | Package  | Installed database |                 |
    | pre-source    | Type   | Package  | Verbatim source    | Resolved source |
    | pre-update    | Type   | [7]      |                    |                 |
    | queue-status  | Type   | Package  | Number in queue    | Total in queue  |
    |               |        |          |                    |                 |
    +---------------+--------+----------+--------------------+-----------------+

    [7] The -update hooks start in the current repository. In other words, you
        can operate on the repository directly or grab the value from '$PWD'.


[5.0] Package Manager Extensions
________________________________________________________________________________

Anything in the user's '$PATH' which matches the glob 'kiss-*' will be directly
usable via the package manager. For example, 'kiss-size' is also usable as
'kiss size' (and even 'kiss si') (the shortest available alias).

The detected 'kiss-*' utilities will appear in the package manager's help-ext
output with the second line in the script acting as a doc-string.

Example help output:

+------------------------------------------------------------------------------+
| kiss help-ext                                                                |
+------------------------------------------------------------------------------+
|                                                                              |
| -> Installed extensions (kiss-* in $PATH)                                    |
| -> chroot        Enter a kiss chroot                                         |
| -> depends       Display a package's dependencies                            |
| -> export        Installed package to tarball                                |
| -> fork          Fork a package into the current directory                   |
| -> help          Read KISS documentation                                     |
| -> link          Link a repo file to another repo                            |
| -> maintainer    Find the maintainer of a package                            |
| -> manifest      Display all files owned by a package                        |
| -> new           Create a boilerplate package                                |
| -> orphans       List orphaned packages                                      |
| -> outdated      Check repository packages for updates                       |
| -> owns          Check which package owns a file                             |
| -> preferred     Lists the owners of all files with conflicts                |
| -> revdepends    Packages which depend on package                            |
| -> repo-orphans  List packages which aren't present in any repository        |
| -> size          Show the size on disk for a package                         |
|                                                                              |
+------------------------------------------------------------------------------+




________________________________________________________________________________

Dylan Araps (C) 2019-2021

The registered trademark Linux(R) is used pursuant to a sublicense from the
Linux Foundation, the exclusive licensee of Linus Torvalds, owner of the mark
on a world­wide basis.