From 59292b0c88b620e22119ec5100882c2284156c63 Mon Sep 17 00:00:00 2001
From: "dylan.araps@gmail.com" <dylan.araps@gmail.com>
Date: Mon, 7 Oct 2019 13:31:26 +0000
Subject: docs: update

FossilOrigin-Name: c77c467d9ece55acc4da08cab2d521f30aa98f318e5e072e248eb8672f8f121d
---
 README.md | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 102 insertions(+), 7 deletions(-)

(limited to 'README.md')

diff --git a/README.md b/README.md
index d531245..28ec254 100644
--- a/README.md
+++ b/README.md
@@ -29,14 +29,109 @@ Tiny and straightforward package manager for KISS written in POSIX `sh`.
 See: <https://getkiss.org/pages/package-system/>
 
 
-## Extending the package manager
+## Customization
 
-See: https://github.com/kisslinux/kiss-utils
+```sh
+# The package manager is controlled through environment variables.
+#
+# These can be set in your '.profile' or '/etc/profile.d' to have
+# the options apply all the time.
+#
+# These can also be set in the current shell to have them apply
+# only for the current session.
+#
+# NOTE: The values shown below are the defaults.
+
+# Managing repositories.
+#
+# This works exactly like '$PATH' (Colon separated).
+#
+# A list of repositories the package manager will use. You can
+# add your own repositories or remove the default ones.
+export KISS_PATH=/var/db/kiss/repo/core:/var/db/kiss/repo/extra:/var/db/kiss/repo/xorg
+
+# Delete junk from packages.
+#
+# This works exactly like '$PATH' (Colon separated).
+#
+# A list of paths and files to remove from built packages.
+#
+# Set this to a blank value to keep all of the below files
+# and directories around. This can be customized to keep or
+# remove whatever you like.
+export KISS_RM=usr/share/doc:usr/share/gtk-doc:usr/share/info:usr/share/polkit-1:usr/share/gettext:usr/share/locale:etc/bash_completion.d:usr/share/zsh
+
+# Force package installation or removal.
+#
+# This can be used to bypass the dependency checks on installation
+# and removal of packages.
+#
+# Set it to '1' to force.
+export KISS_FORCE=0
+
+# Root directory.
+#
+# Where installed packages will go. You won't ever need
+# to touch this during normal usage.
+#
+# This can be used to have the package manager run in a "fake root".
+export KISS_ROOT=/
+
+# Keep build, package and extraction cache directories for debugging
+# purposes.
+#
+# Set it to '1' to enable.
+export KISS_DEBUG=0
+
+# Use a reproducible cache naming scheme.
+#
+# The package manager builds packages inside 'build-$PID/' with '$PID'
+# being the package manager's process ID. This allows for multiple
+# builds to happen at once.
+#
+# You can override this and _know_ the location beforehand with the
+# below environment variable. 'KISS_PID=test' will build the package
+# in 'build-test'.
+#
+# Unset by default.
+export KISS_PID=
+
+
+#
+# non-package-manager related options.
+# These are listed for clarity.
+#
 
-## Shell compatibility
 
-KISS is written in POSIX `sh` though each shell has its own set of quirks. Below are the currently known to work and tested shells (as `/bin/sh`).
+# Cache directory location.
+export XDG_CACHE_HOME=$HOME/.cache/
 
-- `ash`
-- `dash`
-- `bash`
+# Compiler.
+export CC=gcc
+export CXX=g++
+
+# AR.
+export AR=ar
+
+# NM.
+export NM=nm
+
+# RANLIB.
+export RANLIB=ranlib
+
+# Compiler flags.
+# Good value: CFLAGS/CXXFLAGS='-march=native -pipe -O2'
+export CFLAGS=
+export CXXFLAGS=
+
+# Linker flags.
+export LDFLAGS=
+
+# Make flags.
+# Good value: MAKEFLAGS='-j 4' (number of cores).
+export MAKEFLAGS=
+```
+
+## Extending the package manager
+
+See: https://github.com/kisslinux/kiss-utils
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