Emoji Bash Prompt

.bash_prompt.sh

# https://gist.github.com/overengineer/ad0a26b7c132c8b68ab530b09d199c99

# Bash unofficial strict mode
set -euo pipefail
IFS=$'\n\t'
LANG=''

# Pacify Bash strict mode
export GIT_PS1_COMPRESSSPARSESTATE=''
export GIT_PS1_OMITSPARSESTATE=''

# waste some cpu cycles
function emojis () {
    local f=$(find -maxdepth 3 -nowarn -not -path "*.git*" -not -path "*build/*" -depth | head -n 400)
    function emojis.match () {
        echo "$f" | grep -Eq "$1" && echo -n "$2"
    }
    emojis.match "(\.[ch](pp)?|\.cmake|/CMakeLists\.txt)$" '🅒' # C/C++
    emojis.match "\.r(s|lib)$"                            '🦀' # Rust
    emojis.match "\.go$"                                  '🐹' # Go
    emojis.match "\.ja(va|r)$"                            '☕' # Java
    # emojis.match "\.(cs|csproj(\.user)?)$"                '#️⃣' # C#
    emojis.match "\.(vb[glprwzi]?|vbproj(\.user)?)$"      '♾️' # VB
    emojis.match "\.jsx?$"                                '🟨' # JS
    emojis.match "\.e?rb$"                                '🔻' # Ruby
    emojis.match "\.(pyc?|ipynb)$|/__pycache__$"          '🐍' # Python
    emojis.match "\.ph(p[345s]|tml)$"                     '🐘' # PHP
    emojis.match "\.pl$"                                  '🐪' # Perl
    emojis.match "\.ml$"                                  '🐫' # OCaml
    emojis.match "\.nim$"                                 '👑' # Nim
    emojis.match "\.zi[gr]$"                              '🦎' # Zig
    emojis.match "\.(swift|mm|scptd?|applescript)$"       '🍏' # Apple Languages
    emojis.match "/Dockerfile$"                           '🐳' # Docker
    emojis.match "\.z?sh$"                                '🐧' # Shell
}

function last_commit_brief () {
    echo -n "$(git log -1 --oneline --pretty="%<(9,trunc)%cN(%<(6,trunc)%cr): %<($(( $(tput cols) - 60 )),trunc)%B" 2> /dev/null | head -n 1)"
}

function __git_dirty () {
  git diff --quiet --no-ext-diff HEAD 
  [ $? == 1 ] && echo "!"
}

function __is_repo () {
    echo $(git rev-parse --is-inside-work-tree 2>/dev/null) 
}

export PS1='${debian_chroot:+($debian_chroot)}\[\033[0;32m\]\[\033[0m\033[0;32m\]\u\[\033[0;32m\]@\[\033[0;32m\]\h:\[\033[0;33m\]$(__git_ps1)\[\033[0;31m\]$(__git_dirty) \[\033[0;0m\]$(last_commit_brief)$([[ $(__is_repo) ]] && echo -e "\n\[\033[0;32m\]$(emojis) ")\[\033[0;36m\]\w\[\033[0m\033[0;32m\] \$\[\033[0m\033[0;32m\] \[\033[37m\]'