path: root/.bashrc

##
# Locale.

# Set LC_ALL always to UTF-8.
if [ "$(locale -a | grep ca_ES.utf8)" != "" ]; then
  export LC_ALL=ca_ES.utf8
else
  if [ "$(locale -a | grep en_US.utf8)" != "" ]; then
    export LC_ALL=en_US.utf8
  else
    echo "[Warning] Could not set up a proper locale." \
      "There is probably something missing on your host machine..."
  fi
fi

##
# Utility functions.

# Sources the given file if it really exists.
source_maybe() {
  if [ -f "$1" ]; then
    source "$1"
  fi
}

##
# If we are inside of a VM, chances are that the TTY size is borked. Let's
# resize the TTY to the actual terminal size.

if grep -Fq "hypervisor" /proc/cpuinfo; then
  if [ -x "$(command -v resize)" ]; then
    eval $(resize)
  else
    echo "Consider installing the $(resize) binary if you want a proper TTY size."
  fi
fi

##
# XDG: sourcing the variables on $HOME/.config/user-dirs.dirs might ease up the
# configuration of other tools.

source_maybe "$HOME/.config/user-dirs.dirs"

##
# Basics.

# Beautifying ls command.
alias ls='ls --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'
alias lisa='ls -lisa --group-directories-first --time-style=+"%d.%m.%Y %H:%M" --color=auto -F'

# Alias related to cd
alias cd..='cd ..'

##
# If `bat` is available, use it as a drop-in replacement for `cat (1)`.

if command -v bat &>/dev/null || command -v batcat &>/dev/null; then
  if command -v batcat &>/dev/null; then
    _bat_cmd="batcat"
  else
    _bat_cmd="bat"
  fi

  alias cat="$_bat_cmd"

  # Use it on man pages too.
  export MANPAGER="sh -c 'col -bx | $_bat_cmd -l man -p'"
  export MANROFFOPT="-c"

  unset _bat_cmd
fi

# Set up fzf key bindings and fuzzy completion
if command -v fzf &>/dev/null; then
  eval "$(fzf --bash)"
fi

# Some tools allow me to use another diff tool by using this environment variable.
export DIFF=difft

##
# Editors & terminals.

# The default editor is simply called 'e', which is a shell script that will
# call the proper editor depending on what's installed on the system.
export EDITOR=e
export VISUAL=e

# We want a full-fledged 256-color terminal.
TERM=xterm-256color

# Setup the prompt command for terminals that don't touch it by themselves
# (e.g. alacritty).
PROMPT_COMMAND=${PROMPT_COMMAND:+$PROMPT_COMMAND; }'printf "\033]0;%s@%s:%s\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/\~}"'

# Set the LESS and the PAGER environment variables.
export LESS="FSRX"
export PAGER=less

# git thingies.
alias gti=git

# Setting up PS1.
export PS1='$(__git_ps1 "\[\033[0;32m\]@%s\[\033[0m\]\] ")\$ '

# Introduce `cclip` as a fast way to use `xclip` but selecting the clipboard.
alias cclip='xclip -selection clipboard'

##
# Programming languages and environments.

# Rake completion
if [ -f "$HOME/.rake_completion" ]; then
  complete -C "$HOME/.rake_completion" -o default rake
fi

# Alias bundle exec
alias be='bundle exec'

# After experimenting with GCC & Clang, I'm sticking with GCC.
export CC=/usr/bin/gcc
export CXX=/usr/bin/g++

# Go things
export GOPATH=$HOME

##
# RISC-V

# Setting this value as expected by the Linux Kernel when building it.
export ARCH=riscv

# If this is not a RISC-V machine, set up cross compilation for it.
if [ "$(uname -m)" != "riscv64" ]; then
  export CROSS_COMPILE=riscv64-suse-linux-
fi

# Local builds for busybox and the Linux kernel. Needed by scripts like
# `bin/run-riscv-qemu.sh`.
export BUSYBOX_SRC="$HOME/src/busybox/1.36.1"

##
# Misc.

# The g utility. See: https://github.com/mssola/g
source_maybe "$HOME/.g.sh"
source_maybe "$HOME/.gcompletion.sh"

# Git prompt.
source_maybe "$HOME/.git-prompt.sh"

# Complete the `docker` command if possible.
source_maybe "$HOME/.dockercompletion.sh"

# Add the `bin` dir to the path if possible. See:
# https://github.com/mssola/dotfiles.
if [ -d "$HOME/bin" ]; then
  export PATH=$HOME/bin:$PATH
fi

# Some packages install inside of ~/.local/bin
export PATH=$HOME/.local/bin:$PATH

# Some other misc. alias.
alias iosc="osc -A https://api.suse.de"
alias random_string="cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 64 | head -n 1"

# Cargo environment.
source_maybe "$HOME/.cargo/env"

# Convert the given video into GIF. I have tested this with webM and it appears
# to work fine. This is just a wrapper for ffmpeg, but oh boy it's hard to
# remember anything ffmpeg-related...
#
# It accepts two parameters: scale (defaults to 320); and fps (defaults to 10).
#
# Taken from some random answer from StackOverflow, no longer remember from. If
# you see this and recognize it: thanks! and just give me a ping for
# acknowledging you.
video2gif() {
  ffmpeg -y -i "${1}" -vf fps=${3:-10},scale=${2:-320}:-1:flags=lanczos,palettegen "${1}.png"
  ffmpeg -i "${1}" -i "${1}.png" -filter_complex "fps=${3:-10},scale=${2:-320}:-1:flags=lanczos[x];[x][1:v]paletteuse" "${1}".gif
  rm "${1}.png"
}

# Handy alias for the ip command
alias ip="ip --color"

# If we have Rust's source code, export the special `RUST_SRC_PATH`, since this
# is useful for completion tools.
if command -v rustc &>/dev/null; then
  if [ -d "$(rustc --print sysroot)/lib/rustlib/src/rust/library" ]; then
    export RUST_SRC_PATH="$(rustc --print sysroot)/lib/rustlib/src/rust/library"
  fi
fi

##
# $ mise activate bash >> .bashrc

if command -v mise &>/dev/null; then
  export MISE_SHELL=bash
  export __MISE_ORIG_PATH="$PATH"

  mise() {
    local command
    command="${1:-}"
    if [ "$#" = 0 ]; then
      command mise
      return
    fi
    shift

    case "$command" in
    deactivate | s | shell)
      # if argv doesn't contains -h,--help
      if [[ ! " $@ " =~ " --help " ]] && [[ ! " $@ " =~ " -h " ]]; then
        eval "$(command mise "$command" "$@")"
        return $?
      fi
      ;;
    esac
    command mise "$command" "$@"
  }

  _mise_hook() {
    local previous_exit_status=$?
    eval "$(mise hook-env -s bash)"
    return $previous_exit_status
  }
  if [[ ";${PROMPT_COMMAND:-};" != *";_mise_hook;"* ]]; then
    PROMPT_COMMAND="_mise_hook${PROMPT_COMMAND:+;$PROMPT_COMMAND}"
  fi
  if [ -z "${_mise_cmd_not_found:-}" ]; then
    _mise_cmd_not_found=1
    if [ -n "$(declare -f command_not_found_handle)" ]; then
      _mise_cmd_not_found_handle=$(declare -f command_not_found_handle)
      eval "${_mise_cmd_not_found_handle/command_not_found_handle/_command_not_found_handle}"
    fi

    command_not_found_handle() {
      if mise hook-not-found -s bash -- "$1"; then
        _mise_hook
        "$@"
      elif [ -n "$(declare -f _command_not_found_handle)" ]; then
        _command_not_found_handle "$@"
      else
        echo "bash: command not found: $1" >&2
        return 127
      fi
    }
  fi
fi