config.def

#
# Configuration file for KISS bootstrapper
#

# Root directory
# This is where the rootfs will be installed.
MNTDIR="/tmp/mkrootfs/rootfs"

# List of packages to be installed
# Most of those are already dependencies
# of each other but it is not a bad idea
# to put them to the list anyway.

# The order here is very important. Packages earlier in this
# list are installed first, so we need to be sure that for
# each package, all of it's library dependencies are alreay
# installed before we try to build it.
PKGS="baselayout certs musl linux-headers zlib b3sum bzip2 pigz xz m4 \
  flex bison binutils gmp mpfr libmpc gcc busybox openssl curl git kiss make"

# Build flags
# It is a good idea to not use flags like "native"
# If you plan on using the tarball on another computer
# due to architechtural differences. You can manually
# override this march configuration here by removing the
# case.
#
march=$(uname -m)
case "$march" in
    x86_64) march=x86-64 ;;
    i*86)   march=i686   ;;
esac
# The inclusion of '--sysroot' ensures that gcc and clang will use
# the libraries that we are installing into the new rootfs rather
# than the libraries on the host system. This prevents host libraries
# that were compiled with cpu specific optimizations from polluting
# the binaries and libraries in the new rootfs.
CFLAGS="-march=$march -mtune=generic -pipe -Os --sysroot=$MNTDIR"
CXXFLAGS="-march=$march -mtune=generic -pipe -Os --sysroot=$MNTDIR"
MAKEFLAGS="-j$(nproc)"
PKG_CONFIG_PATH=""
PKG_CONFIG_SYSROOT_DIR="$MNTDIR"
PKG_CONFIG_LIBDIR="$MNTDIR/usr/lib/pkgconfig:$MNTDIR/usr/share/pkgconfig"

# Repository
# This repository will be cloned to /tmp/repo on the
# host, and /var/db/kiss/repo on the target system.
# If you want to use a repository that is local to
# your system, you can use 'local+/path/to/repo'
REPO="git+https://github.com/kiss-community/repo"
# HOST_REPO - path you want the above repo to be cloned to.
# HOST_REPO_PATH - This effectively becomes the KISS_PATH for the bootstrapper.
HOST_REPO="/tmp/repo"
HOST_REPO_PATH="$HOST_REPO/core:$HOST_REPO/extra"

# Final tarball name.
TARBALL="kiss-rootfs-$(date +%Y.%m)-$(uname -m).tar.xz"

# Hooks
# See `hook` for more details, TLDR - remove documentation.
KISS_HOOK="$PWD/hook"

export MNTDIR PKGS CFLAGS CXXFLAGS REPO HOST_REPO_PATH MAKEFLAGS KISS_HOOK TARBALL

checkenv() {
    [ "$(whoami)" = root ] || die "root priviledges are requried for the bootstrapping process!"
    command -v kiss || die "'kiss' is needed for the bootstrapping process!"
    command -v b3sum || die "'b3sum' is needed for the bootstrapping process!"
    # FIXME: disable zstd support in binutils
    if command -v zstd; then
	die "'zstd' is picked up by 'binutils' with no way to disable and will lead to a build failure!"
    fi
}

postrepodown() {
    # This function runs after the repository has been downloaded, and allows
    # for a 'quick fix' for certain packages.

    # Prevent GCC from doing a full bootstrap if possible.
    gcc_ver=$(gcc -dumpfullversion)
    sed -E -i "s~(gcc_version)=null~\1=${gcc_ver}~" core/gcc/build

    # Temporarily fix kiss checksum issues with these two packages.
    for d in b3sum kiss; do
        cd "core/$d"
        kiss checksum
        cd "$OLDPWD"
    done

    # Remove pigz's post-install hook since it will fail.
    rm core/pigz/post-install

    true
}

postinstall() {
    # You can preferably add some custom
    # commands if you want a postinstall
    # procedure. This runs right after kiss
    # install is complete

    # Currently default function is 'true'
    # because there is nothing else to be done,
    # but you can safely remove it if you will
    # be adding some post-installation commands
    # Comment the line below if you want your tarball to have the package repo.
    rm -rf "${MNTDIR:?ERROR: MNTDIR not set}/var/db/kiss/repo"

    true
}

# vim:filetype=sh