dotfiles/bash_profile

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# Don't put duplicate lines in the history
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export HISTCONTROL=ignoreboth:erasedups
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# Set history length
HISTFILESIZE=1000000000
HISTSIZE=1000000
# Append to the history file, don't overwrite it
shopt -s histappend
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# Check the window size after each command and, if necessary, update the values of LINES and COLUMNS
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shopt -s checkwinsize
# Autocorrect typos in path names when using `cd`
shopt -s cdspell
# Save all lines of a multiple-line command in the same history entry (allows easy re-editing of multi-line commands)
shopt -s cmdhist
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# Do not autocomplete when accidentally pressing Tab on an empty line. (It takes forever and yields "Display all 15 gazillion possibilites?")
shopt -s no_empty_cmd_completion;
# Do not overwrite files when redirecting using ">". Note that you can still override this with ">|"
set -o noclobber;
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# Enable some Bash 4 features when possible:
# * `autocd`, e.g. `**/qux` will enter `./foo/bar/baz/qux`
# * Recursive globbing, e.g. `echo **/*.txt`
for option in autocd globstar; do
shopt -s "$option" 2> /dev/null
done
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# Locale
export LC_ALL=en_US.UTF-8
export LANG="en_US"
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# Add ~/bin to the $PATH
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export PATH="$HOME/bin:/usr/local/bin:$PATH"
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# Add brew coreutils to $PATH
command -v brew >/dev/null 2>&1 && export PATH="$(brew --prefix coreutils)/libexec/gnubin:$PATH"
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# Load ~/.extra, ~/.bash_prompt and ~/.bash_aliases
# ~/.extra can be used for settings you dont want to commit
for file in ~/.{extra,bash_prompt,bash_aliases}; do
[ -r "$file" ] && source "$file"
done
unset file
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# If possible, add tab completion for many commands
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[ -f /etc/bash_completion ] && source /etc/bash_completion
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# Bash completion (installed via Homebrew; source after `brew` is added to PATH)
command -v brew >/dev/null 2>&1 && [ -r "$(brew --prefix)/etc/bash_completion" ] && source "$(brew --prefix)/etc/bash_completion"
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# Add tab completion for SSH hostnames based on ~/.ssh/config, ignoring wildcards
[ -e "$HOME/.ssh/config" ] && complete -o "default" -o "nospace" -W "$(grep "^Host" ~/.ssh/config | grep -v "[?*]" | cut -d " " -f2)" scp sftp ssh
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# Nano is default editor
export EDITOR='nano';
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# Tell ls to be colourful
export CLICOLOR=1
# Tell grep to highlight matches
export GREP_OPTIONS='--color=auto'
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# Make less the default pager, and specify some useful defaults.
less_options=(
# If the entire text fits on one screen, just show it and quit. (Be more
# like "cat" and less like "more".)
--quit-if-one-screen
# Do not clear the screen first.
--no-init
# Like "smartcase" in Vim: ignore case unless the search pattern is mixed.
--ignore-case
# Do not automatically wrap long lines.
--chop-long-lines
# Allow ANSI colour escapes, but no other escapes.
--RAW-CONTROL-CHARS
# Do not ring the bell when trying to scroll past the end of the buffer.
--quiet
# Do not complain when we are on a dumb terminal.
--dumb
);
export LESS="${less_options[*]}";
unset less_options;
export PAGER='less';