diff options
Diffstat (limited to 'config/bashrc')
| -rw-r--r-- | config/bashrc | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/config/bashrc b/config/bashrc new file mode 100644 index 0000000..2159098 --- /dev/null +++ b/config/bashrc @@ -0,0 +1,95 @@ +# shellcheck shell=bash +# ~/.bashrc — bash's interactive entry point, the counterpart of config/zshrc. +# +# Layering (see config/env's header for the full picture): +# config/env environment, every shell, every mode +# config/profile shared interactive layer (aliases, history, theme, profile.d) +# config/bashrc bash-specific interactive bits <- this file +# config/zshrc zsh-specific interactive bits +# +# bash and zsh disagree about which file a *login interactive* shell reads: +# zsh reads ~/.zprofile AND ~/.zshrc, but bash reads only ~/.profile and never +# ~/.bashrc. So the two entry points source each other, guarded both ways: +# - entered here (interactive non-login) -> we source ~/.profile below +# - entered via ~/.profile (login) -> it sources ~/.bashrc at its end +# The __dotfiles_* flags below make sure exactly one direction fires. + +# Non-interactive bash never needs any of this, and a login *non*-interactive +# shell can reach here via ~/.profile. Bail out before doing any work. +case $- in + *i*) ;; + *) return ;; +esac + +__dotfiles_bashrc=1 + +# The shared interactive layer, unless ~/.profile is what sourced us. +if [ -z "${__dotfiles_profile:-}" ] && [ -r "$HOME/.profile" ]; then + # shellcheck source=/dev/null + . "$HOME/.profile" +fi + +# --------------------------------------------------------------------- history +# config/profile sets HISTFILE and HISTSIZE for both shells. These are the bash +# spellings of the zsh options set alongside them in config/profile. +HISTFILESIZE="$HISTSIZE" +HISTCONTROL=ignoreboth # HIST_IGNORE_DUPS + HIST_IGNORE_SPACE +shopt -s histappend # INC_APPEND_HISTORY + +# ---------------------------------------------------------------------- shopts +shopt -s checkwinsize # keep $LINES/$COLUMNS right after a resize +shopt -s globstar 2>/dev/null # ** recurses, as in zsh + +# ---------------------------------------------------------------------- colours +# config/profile already aliases ls to lsd when it is installed; only fall back +# to coreutils colouring when it isn't, so the two can't fight over the alias. +if [ -x /usr/bin/dircolors ]; then + if [ -r "$HOME/.dircolors" ]; then + eval "$(dircolors -b "$HOME/.dircolors")" + else + eval "$(dircolors -b)" + fi + command -v lsd >/dev/null 2>&1 || alias ls='ls --color=auto' + alias grep='grep --color=auto' + alias fgrep='fgrep --color=auto' + alias egrep='egrep --color=auto' +fi + +alias ll='ls -alF' +alias la='ls -A' +alias l='ls -CF' + +# ------------------------------------------------------------------- lesspipe +# Debian/Ubuntu's pager preprocessor. config/profile sets LESS/PAGER. +[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)" + +# --------------------------------------------------------------------- prompt +# Mirrors the zsh fallback prompt in config/zshrc: dim basename, then ∴ +if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then + debian_chroot=$(cat /etc/debian_chroot) +fi +PS1='${debian_chroot:+($debian_chroot)}\[\e[38;5;244m\]\W\[\e[0m\] ∴ ' + +# ---------------------------------------------------------------- completion +# bash-completion 2.x needs bash >= 4.2, but macOS still ships bash 3.2 as +# /bin/bash. Without the version guard, sourcing Homebrew's copy under 3.2 +# spews "complete: nosort: invalid option name" on every prompt. +if ! shopt -oq posix && [ "${BASH_VERSINFO[0]:-0}" -ge 4 ]; then + if [ -r /usr/share/bash-completion/bash_completion ]; then + # shellcheck source=/dev/null + . /usr/share/bash-completion/bash_completion + elif [ -r /etc/bash_completion ]; then + # shellcheck source=/dev/null + . /etc/bash_completion + elif [ -r /opt/homebrew/etc/profile.d/bash_completion.sh ]; then + # shellcheck source=/dev/null + . /opt/homebrew/etc/profile.d/bash_completion.sh + fi +fi + +# Host-local interactive bash setup. Kept for parity with the stock Ubuntu +# ~/.bashrc this file replaces; ~/.localprofile covers both shells. +# shellcheck source=/dev/null +[ -r "$HOME/.bash_aliases" ] && . "$HOME/.bash_aliases" + +# vim: filetype=sh |