Конфигурация командной оболочки bash

Конфигурация командной оболочки bash.

1 Основной файл

• Конфигурация ~/.bashrc:

  ## .bashrc
  
  ## Test for an interactive shell.  There is no need to set anything
  ## past this point for scp and rcp, and it's important to refrain from
  ## outputting anything in those cases.
  # if [[ $- != *i* ]] ; then
  # 	# Shell is non-interactive.  Be done now!
  # 	return
  # fi
  

• Загрузка глобальных настроек:

  ## Source global definitions
  if [ -f /etc/bash/bashrc ]; then
      . /etc/bash/bashrc
  fi
  
  # Source global definitions
  if [ -f /etc/profile ]; then
      . /etc/profile
  fi
  
  ## Uncomment the following line if you don't like systemctl's auto-paging feature:
  # export SYSTEMD_PAGER=
  

• Загрузка дополнений командной строки:

  ## Uncomment the following to activate bash-completion:
  [ -f /etc/profile.d/bash-completion ] && source /etc/profile.d/bash-completion
  

• Дополнительные функции:

  ## User specific aliases and functions
  if [ -d ~/.bashrc.d ]; then
      for rc in ~/.bashrc.d/*; do
          if [ -f "$rc" ]; then
              . "$rc"
          fi
      done
  fi
  
  unset rc
  

• Загрузка командной оболочки fish (см. Командная оболочка fish):

  ## Run fish as interrective shell
  if [[ $(ps --no-header --pid=$PPID --format=comm) != "fish" && -z ${BASH_EXECUTION_STRING} ]]
  then
      SHELL=/bin/fish exec fish
  fi
  

2 Дополнительные функции

• Дополнительные функции находятся в каталоге ~/.bashrc.d.

2.1 Поддержка wayland

• Конфигурационный файл: ~/.bashrc.d/wayland.bash.
• Загружается, если сессия wayland:

  if [[ $XDG_SESSION_TYPE == "wayland" ]]
  then
      ## qt wayland
      # export QT_QPA_PLATFORM=xcb
      export QT_QPA_PLATFORM="wayland"
      export QT_WAYLAND_DISABLE_WINDOWDECORATION="1"
  
      ## Most pure GTK3 apps use wayland by default, but some,
      ## such as Firefox, require the backend to be explicitly selected.
      export MOZ_ENABLE_WAYLAND=1
      export MOZ_DBUS_REMOTE=1
      export GTK_CSD=0
  
      ## Java XWayland blank screens fix
      export _JAVA_AWT_WM_NONREPARENTING=1
  
      ## set ozone platform to wayland
      export ELECTRON_OZONE_PLATFORM_HINT=wayland
  
      ## Disable hardware cursors. This might fix issues with
      ## disappearing cursors
      if systemd-detect-virt -q
      then
      ## if the system is running inside a virtual machine, disable hardware cursors
      export WLR_NO_HARDWARE_CURSORS=1
      fi
  
      ## Disable warnings by OpenCV
      export OPENCV_LOG_LEVEL=ERROR
  fi