my ~/.bash_aliases and kubectl_aliases

.bash_aliases

# === Bash functions that are used in aliases

# get bash shell on docker container.
# works only if one container is running
function get_bash_docker() {
  count=$(docker ps -q | wc -l)
  if [[ $count = 1 ]]; then
    container_id=$(docker ps -q)
    echo "Getting bash shell in ${container_id}"
    docker exec -it ${container_id} bash
  else
    # do not show running container if no containers are running
    if [[ $count = 0 ]]; then
      echo "No running containers"
      return 0
    fi
    # show running containers
    echo "Can't decide, $count containers are running"
    echo $(docker ps --format "table {{.ID}}\t{{.Names}}\t{{.Image}}")
    echo "SSH into container using CONTAINER ID"
    echo "docker exec -it <CONTAINER ID> bash"
    return 1
  fi
}

# === Aliases
# put your alias here, this file in socured in .bashrc
# folder navigation
alias wd='cd ~/wd/'
alias dl='cd ~/Downloads/'

# copy to clipboard
alias copy='xclip -sel clip'

# git alias
# git branches sorted by last committed date
alias gbsc='git branch --sort=-committerdate --color=always | more -10'
alias glo='git log --oneline --color=always | more -10'
alias gits='git status'
alias gd='git diff HEAD'
# only diff staged files
alias gds='git diff --cached'
# stash helpers
alias gsl='git stash list'
alias gst='git stash'
alias gsp='git stash pop'
# sync upstream, local and origin
alias gup='git checkout master && git pull'

# alias for tools
alias gi='grep -i'
alias ls='ls -lah --color'

# Docker aliases
alias dssh="get_bash_docker"

# alias for music player controls
# needs playerctl (https://github.com/acrisci/playerctl)
alias n='playerctl next'
alias p='playerctl previous'
alias pp='playerctl play-pause'
alias pw='playerctl metadata'

.bashrc

# NOTE: these lines are added in vanila Ubuntu bashrc

# curl_time see time taken to pull a url via curl
# https://stackoverflow.com/a/47944496/5209755
curl_time() {
    curl -so /dev/null -w "\
   namelookup:  %{time_namelookup}s\n\
      connect:  %{time_connect}s\n\
   appconnect:  %{time_appconnect}s\n\
  pretransfer:  %{time_pretransfer}s\n\
     redirect:  %{time_redirect}s\n\
starttransfer:  %{time_starttransfer}s\n\
-------------------------\n\
        total:  %{time_total}s\n" "$@"
}

# bash script to get title of a url and then dump it in Markdown format link
# credit: https://unix.stackexchange.com/a/103253
function url_to_md( ) {
t=$(wget -qO- $1 | perl -l -0777 -ne 'print $1 if /<title.*?>\s*(.*?)\s*<\/title/si')
echo "[$t]($1)"
}


# https://gist.github.com/electron0zero/7685fca7c2ae4d0cd355aa670675b65f
# https://unix.stackexchange.com/a/26950/270668
export PROMPT_DIRTRIM=3

# used to control length after truncate
truncate_len=15
truncate() {
    echo "$@" | \
    awk -v len=$truncate_len '{ if (length($0) > len) print substr($0, 0, len) ".." ; else print; }'
}

git_branch() {
  branch=$(git branch 2>/dev/null | grep '^*' | colrm 1 2)
  truncate "$branch"
}

has_mod_files(){
  if [[ $(git ls-files -dmo --exclude-standard 2> /dev/null) ]]; then
    echo "*"
  else
    echo ""
  fi
}

export PS1="\[\e[43m\]\[\e[30m\]\\w\[\e[42m\]\[\e[30m\][\$(git_branch)\$(has_mod_files)]\[\e[01;00m\] $ "

# nodejs stuff
export PATH="$HOME/.yarn/bin:$HOME/.config/yarn/global/node_modules/.bin:$PATH"

# kubectl auto completion
source "$HOME/.kube/completion.bash.inc"

kubectl_aliases.md

See https://gist.github.com/electron0zero/298a563f44296528b37d0d8e1647c79e for updated version of kubectl_aliases.sh