bashrc

## Olle K bashrc. Needs to work with zsh as well

## Drop non-interactive shells
[[ ${-} != *i* ]] && return

## Make the shell exit if it receives an EOF (Ctrl + D)
## You can also export IGNOREEOF=5 to require 5 presses
set +o ignoreeof

## Add extra paths
for path in "${HOME}/bin" "${HOME}/.local/bin"; do
    if [[ -d "${path}" && ${PATH} != *"${path}"* ]]; then
        export PATH="${path}:${PATH}"
    fi
done

export HISTFILE="${HOME}/.histfile"
export HISTSIZE='10000'
export PAGER='less'
export LS_COLORS='di=34:ln=35:so=32:pi=33:ex=31:bd=34;46:cd=34;43:su=0;41:sg=0;46:tw=0;42:ow=0;43:'

if type nvim &> /dev/null; then
    export EDITOR=nvim
elif type vim &> /dev/null; then
    export EDITOR=vim
else
    export EDITOR=vi
fi

export VISUAL="${EDITOR}"
export GOPATH="${HOME}/go"

case $(uname) in
    Linux)
        alias ls='ls --color=auto --group-directories-first'
        alias chmod='chmod -c'
        alias chown='chown -c'
        alias chgrp='chgrp -c'
        alias grep='grep --color=auto'
        ;;

    SunOS)
        alias ls='ls --color=auto'
        alias emacs='emacs --color=always'
        alias grep='grep --color=auto'
        unset LESS
        export LS_COLORS="${LS_COLORS//:su*}"
        if [[ ${TERM} == screen ]]; then
            export TERM='xterm'
        fi
        ;;

    FreeBSD|Darwin)
        alias ls='ls -G'
        alias grep='grep --color=auto'
        ;;
esac

alias ..='cd ..'
alias l='ls -lh'
alias la='ls -A'
alias ll='ls -lh'

isempty() { (shopt -s nullglob dotglob; f=(${1}/*); ((! ${#f[@]}))); }
retry() { while ! "${@}"; do sleep 1; done; }
man() {
    env LESS_TERMCAP_mb=$'\E[01;31m' \
        LESS_TERMCAP_md=$'\E[01;38;5;74m' \
        LESS_TERMCAP_me=$'\E[0m' \
        LESS_TERMCAP_se=$'\E[0m' \
        LESS_TERMCAP_ue=$'\E[0m' \
        LESS_TERMCAP_us=$'\E[04;38;5;146m' \
        man "${@}"
}

## Extra files to exec
if [[ -n ${BASH_VERSION} ]]; then
    o_reset_bash_ps1() {
        local host="$(hostname -f 2>/dev/null || hostname)"
        local line1="\[\033[0;31m\]${host} \[\033[0;34m\][\w]\[\033[0m\]"
        local line2="\$ "
        PS1="${line1}"$'\n'"${line2}"
    }
    o_reset_bash_ps1
    unset o_reset_bash_ps1

    [[ -f /etc/bash_completion ]] && source '/etc/bash_completion'

    ## Prevent escaping dollar sign in tab completion
    shopt -s direxpand

    ## Allow recursive globbing with **
    shopt -s globstar
fi

## LOCALE
# Ideally, we would want these values in the future:
#
# LANG=en_US.UTF-8                  # To make everything use the same language
# LANGUAGE=en_US:en                 # To make everything use the same language
# LC_ADDRESS=sv_SE.UTF-8
# LC_COLLATE=C                      # There are sometimes weird bugs when not C
# LC_CTYPE=C                        # There are sometimes weird bugs when not C
# LC_IDENTIFICATION=sv_SE.UTF-8
# LC_MONETARY=sv_SE.UTF-8
# LC_MESSAGES=en_US.UTF-8           # To make everything use the same language
# LC_MEASUREMENT=sv_SE.UTF-8        # Anything exception en_US is fine here
# LC_NAME=sv_SE.UTF-8
# LC_NUMERIC=en_US.UTF-8            # Can cause a lot of bugs when not US
# LC_PAPER=sv_SE.UTF-8
# LC_TELEPHONE=sv_SE.UTF-8
# LC_TIME=sv_SE.UTF-8
##
o_init_locale() {
    warn() { echo -e "\033[1;33mWarning:\033[0m ${1}"; }

    local utf8='[Uu][Tt][Ff]-?8'
    local us_utf8="en_US\.${utf8}"

    local wanted_locale="$(locale -a | awk "/^${us_utf8}$/{print;exit}")"
    if [[ -n ${wanted_locale} ]]; then
        export LANG="${wanted_locale}"
    else
        warn "Could not find any en_US.UTF-8 locale. (Currently: ${LANG})"
    fi

    local charmap="$(locale charmap 2>/dev/null)"
    if [[ ! ${charmap} =~ ${utf8} && ! -z ${charmap} ]]; then
        warn "Charmap is ${charmap}"
    fi

    unset warn
}
o_init_locale
unset o_init_locale

o_init_stty_settings() {
    local stty_settings='stty start undef; stty stop undef'
    alias reset="/usr/bin/reset; ${stty_settings}"
    alias reset1="/usr/bin/reset -e ^?; ${stty_settings}"
    alias reset2="/usr/bin/reset -e ^h; ${stty_settings}"
    eval "${stty_settings}"
}
o_init_stty_settings
unset o_init_stty_settings

## Special application settings

if type as &> /dev/null; then
    asm() { as -o "${1%.*}.o" "${1}" && ld -o "${1%.*}" "${1%.*}.o"; }
fi

if type clang &> /dev/null; then
    alias clang='clang -Weverything -Werror'
    alias clang++='clang++ -Weverything -Werror'
    alias clang++11='clang++ -std=c++11'
fi

if type ctags &> /dev/null; then
    alias ctags-generate='ctags -R . --exclude .git'
fi

if type g++ &> /dev/null; then
    alias g++='g++ -Wall -Wextra -Werror -pedantic -Weffc++'
    alias g++99='g++ -std=c++99'
    alias g++11='g++ -std=c++11'
fi

if type gcc &> /dev/null; then
    alias gcc='gcc -Wall -Wextra -Werror -pedantic'
    alias gcc89='gcc -std=c89'
    alias gcc99='gcc -std=c99'
    alias gcc11='gcc -std=c11'
fi

if type ghc &> /dev/null; then
    alias ghc='ghc --make -Wall'
fi

if type git &> /dev/null; then
    alias s='git status -bs'
fi

if type nasm &> /dev/null; then
    asm32() { nasm -f elf32 "${1}" && ld -m elf_i386 -o "${1%.*}" "${1%.*}.o"; }
fi

if type pacman &> /dev/null; then
    alias pacman='pacman --color=auto'
fi

if type kubectl &> /dev/null; then
    source <(kubectl completion bash)
fi

if type helm &> /dev/null; then
    source <(helm completion bash)
fi