bash

#bash   #git  

---

Table of Content

[[bash]]

Run chsh -s /usr/bin/bash to change the shell. Location of bash varies depending on the system so check (which bash) first.

preparation

https://git-scm.com/book/en/v2/Appendix-A%3A-Git-in-Other-Environments-Git-in-Bash

mkdir ~/clones

# clone official git repo
git clone https://github.com/git/git

# check the installe git version and checkout that version
cd git
git --version
git checkout v2.34.1

# copy the bash complesion file
cp contrib/completion/git-completion.bash ~/.

.bashrc

Using ~/git-completion.bash file, here is my .bashrc file at the moment.

This is mostly the combination of the default ~/.bashrc file I had on WSL2 Ubuntu and .bashrc file from https://github.com/mischavandenburg/dotfiles.

.bashrc

#
# ~/.bashrc
#

# If not running interactively, don't do anything
[[ $- != *i* ]] && return

# SHELL
export SHELL=/usr/bin/bash

# Go related. In general all executables and scripts go in .local/bin
export GOBIN="$HOME/.local/bin"
export GOPATH="$HOME/go/"

# history
export HISTFILE=~/.histfile
export HISTSIZE=25000
export SAVEHIST=25000
export HISTCONTROL=ignorespace

# prompt and git
export GIT_PS1_SHOWDIRTYSTATE=1
export GIT_PS1_SHOWSTASHSTATE=1
export GIT_PS1_SHOWUNTRACKEDFILES=1
# Explicitly unset color (default anyhow). Use 1 to set it.
export GIT_PS1_SHOWCOLORHINTS=1
export GIT_PS1_DESCRIBE_STYLE="branch"
# export GIT_PS1_SHOWUPSTREAM="auto git"

# don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more options
HISTCONTROL=ignoreboth

# append to the history file, don't overwrite it
shopt -s histappend

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# If set, the pattern "**" used in a pathname expansion context will
# match all files and zero or more directories and subdirectories.
#shopt -s globstar

# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
xterm-color | *-256color) color_prompt=yes ;;
esac

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
#force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
        # We have color support; assume it's compliant with Ecma-48
        # (ISO/IEC-6429). (Lack of such support is extremely rare, and such
        # a case would tend to support setf rather than setaf.)
        color_prompt=yes
    else
        color_prompt=
    fi
fi

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm* | rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*) ;;
esac

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# Add an "alert" alias for long running commands.  Use like so:
#   sleep 10; alert
alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
    if [ -f /usr/share/bash-completion/bash_completion ]; then
        . /usr/share/bash-completion/bash_completion
    elif [ -f /etc/bash_completion ]; then
        . /etc/bash_completion
    fi
fi

# alias
alias v=nvim
alias timer='pomo start 50m'
alias gs='git status'
alias lg='lazygit'

alias ..="cd .."
alias ls='ls --color'
alias ll='ls -l --color'
alias la='ls -A --color'
alias l='ls -CF --color'
alias grep='grep --color'
alias tree='find . -not -path "*/\.git/*" -not -path "*/venv/*" -not -path "*/node_modules/*" -not -path "*/.venv/*" | sed -e "s/[^-][^\/]*\// |/g" -e "s/|\([^ ]\)/|-\1/"
'

# alias for my projects
export MYGITLAB=$HOME/repos/cp.blink-1x52.net/
alias dotfiles="cd $MYGITLAB/mypublic/dotfiles"
alias notes="cd $MYGITLAB/pages/beryl && v"
alias amber="cd $MYGITLAB/pages/amber"
alias beryl="cd $MYGITLAB/pages/beryl"
alias citrine="cd $MYGITLAB/pages/citrine"

# load git bash completion script
# https://git-scm.com/book/en/v2/Appendix-A%3A-Git-in-Other-Environments-Git-in-Bash
source ~/git-completion.bash

# kubectl
# https://kubernetes.io/docs/reference/kubectl/quick-reference/#bash
source <(kubectl completion bash)

# flux
# https://fluxcd.io/flux/installation/
source <(flux completion bash)

# colorized prompt
PROMPT_COMMAND='__git_ps1 "\[\e[33m\]\u\[\e[0m\]@\[\e[34m\]\h\[\e[0m\]:\[\e[35m\]\W\[\e[0m\]" " \n$ "'
#
# export PS1='\w$(__git_ps1 " (%s)")\$ '

# mise
# https://mise.jdx.dev/getting-started.html#bash
eval "$(~/.local/bin/mise activate bash)"