kiss/README.md

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# kiss
Tiny and straightforward package manager for KISS written in POSIX `sh`.
- Less than 1000 lines of POSIX `sh` (excluding blank lines and comments).
- Runtime dependency detection.
- Incremental package installation.
- Fast dependency solver.
- File conflict detection.
- Package alternatives system.
- 3-way handshake for /etc/ configuration files.
- Binary stripping.
- `shellcheck` compliant.
## Usage
```sh
-> kiss [a|b|c|i|l|r|s|u|v] [pkg] [pkg] [pkg]
-> alternatives: List and swap to alternatives
-> build: Build a package
-> checksum: Generate checksums
-> install: Install a package
-> list: List installed packages
-> remove: Remove a package
-> search: Search for a package
-> update: Check for updates
-> version: Package manager version
```
## Dependencies / Portability
```sh
# - Anything with a specification should follow it (POSIX, BSD, etc).
# - Anything without a specification which has ONLY a single (widely used)
# implementation will be considered portable (git, curl, etc).
#
# POSIX utilities
# - sh (POSIX)
# - find (POSIX) -type f, -type d, -exec {} [+;], -o, -print, !
# - ls (POSIX) -l, -d
# - sed (POSIX) -n, s/<search>/<replace>/g, /<delete>/d
# - grep (POSIX) -l, -F, -x, -f, -q, -v
# - sort (POSIX) -r, -u, -k
# - tee (POSIX) -a
# - date (POSIX)
# - mkdir (POSIX) -p
# - rm (POSIX) -f, -r
# - rmdir (POSIX)
# - cp (POSIX) -f, -P, -p, -L, -R
# - mv (POSIX) -f
# - chown (POSIX) -h
# - diff (POSIX) -U
#
# Misc
# - su* (sudo, doas, su) (in order, optional)
# - git (downloads from git) (must link to curl)
# - curl (downloads over http) (also needed by git)
# - sha256 (multiple fallbacks: sha256sum, shasum, sha256, openssl, etc)
#
# Compiler/libc utilities (depends cc & libc)
# - readelf (optional) (Part of compiler toolchain) (GNU, LLVM or elfutils)
# - strip (optional) (Part of compiler toolchain) (GNU, LLVM or elfutils)
# - ldd (optional) (Part of libc)
#
# Tarball compression
# - tar (as portable as can be) (merely: cf, tf, xf)
# - bzip2 (widely used) -d, -z
# - xz (widely used) -d, -z, -c, -T
# - gzip (widely used) -d, -6
# - zstd (optional) -d, -z, -c
# - unzip (optional)
# - lzma (optional)
# - lzip (optional)
```
## Package format
See: <https://k1ss.org/package-system>
## Extending the package manager
The `contrib` directory contains a set of simple scripts to extend the package manager. These are just simple and stupid automations which parse the package format.
- `kiss-chbuild`: Spawn a throwaway chroot.
- `kiss-chroot`: Enter a KISS `chroot`.
- `kiss-depends`: Display a package's dependencies.
- `kiss-export`: Turn an installed package into a KISS tarball.
- `kiss-fork`: Copy a package's repository files into the current directory.
- `kiss-link`: Link a repository file to another repository.
- `kiss-manifest`: Display all files owned by a package.
- `kiss-maintainer`: Display the package maintainers.
- `kiss-new`: Create a boilerplate package.
- `kiss-orphans`: List orphaned packages.
- `kiss-outdated`: List outdated packages based on Repology versions.
- `kiss-owns`: Check which package owns a file.
- `kiss-reset`: Reset the system to the base.
- `kiss-revdepends`: Display packages which depend on package.
- `kiss-size`: Show the size on disk for an installed package.