dotfiles/.bash_extra

#!/bin/bash
### tmux auto attach

# Check if the user ID is not 0 (root)
if [ "$EUID" -ne 0 ]; then
  if command -v tmux &> /dev/null && [ -z "$TMUX" ]; then
    tmux attach -t default || tmux new -s default
  fi
fi

### keychain
eval "$(keychain -q --eval --timeout 60 --agents ssh,gpg)"
export GPG_TTY=$(tty)

### PS1
# Farben
BLUE='\[\e[34m\]'
GREEN='\[\e[32m\]'
RED='\[\e[31m\]'
YELLOW='\[\e[33m\]'
WHITE='\[\e[97m\]'
BLACK='\[\e[30m\]'
RESET='\[\e[0m\]'
ORANGE='\[\e[0;33m\]'
# git-symbole: * unstaged, + staged, $ stashed, % untracked
export GIT_PS1_SHOWUNTRACKEDFILES=1
export GIT_PS1_SHOWDIRTYSTATE=1
export GIT_PS1_SHOWSTASHSTATE=1
export GIT_PS1_SHOWUPSTREAM="verbose"
export GIT_PS1_SHOWCONFLICTSTATE="yes"
export PS1="\n${BLUE}\u${GREEN}@${ORANGE}\$(cat /etc/hostname) \$(pwd | sed -E -e "s#/#${RED}/${RESET}${GREEN}#g")${YELLOW}\$(__git_ps1)${RESET}\n> "
# https://unix.stackexchange.com/questions/105958/terminal-prompt-not-wrapping-correctly
# alle Farben sind mit \[<wert>\] escaped, sonst kann die shelle die länge nicht richtig ausrechnen
# https://github.com/git/git/blob/master/contrib/completion/git-prompt.sh
# https://gist.github.com/justintv/168835
# https://misc.flogisoft.com/bash/tip_colors_and_formatting
# Zeige letzte Exit-Code: https://stackoverflow.com/questions/16715103/bash-prompt-with-the-last-exit-code

### Praktische Dinge
# Deaktiviere FlowControl
# https://unix.stackexchange.com/questions/332791/how-to-permanently-disable-ctrl-s-in-terminal
stty -ixon

# farben fur manpages
# https://opensource.com/article/18/5/bash-tricks
export LESS_TERMCAP_mb=$'\E[01;31m'
export LESS_TERMCAP_md=$'\E[01;33m'
export LESS_TERMCAP_me=$'\E[0m'
export LESS_TERMCAP_se=$'\E[0m'
export LESS_TERMCAP_so=$'\E[01;42;30m'
export LESS_TERMCAP_ue=$'\E[0m'
export LESS_TERMCAP_us=$'\E[01;36m'

# bash history bei mehreren Session
shopt -s histappend

# bach History Zeitstempel am Anfang der Zeile
export HISTTIMEFORMAT='[%F_%T] '

# typo bei cd entfernen
shopt -s cdspell

# less mit maus scrollen
export LESS='--mouse --wheel-lines=3 eFRX'

# deaktiviere alias von ll
# weiter unten ist die FUnktion ll definiert die entweder exa oder ls ausführt
unalias ll 2>/dev/null

### Funktionen
function rgf {
  if [[ "$1" == "--help" ]]; then
    echo "Finde alle Dateien die "\$1" im Namen haben."
    echo ""
    echo "    Usage: rgf <string>"
    return 0
  fi
  if [ -z "$1" ]; then
    echo "[ERROR] Suchbegriff fehlt..."
    return 1
  fi
  if command -v rg >/dev/null ; then
    rg --ignore-case --files --hidden --glob=!.git/ *"$1"*
  else
    echo "[INFO] ripgrep ist nicht installiert... suche mit 'find'"
    find . -type f -not -path '*/\.git/*' -name *"$1"*
  fi
}
function rgi {
  if [[ "$1" == "--help" ]]; then
    echo "Finde alle Dateien die "\$1" im Inhalt haben."
    echo ""
    echo "    Usage: rgi <string>"
    return 0
  fi
  if [ -z "$1" ]; then
    echo "[ERROR] Suchbegriff fehlt..."
    return 1
  fi
  if command -v rg >/dev/null ; then
    rg --ignore-case --hidden --glob=!.git/ "$1"
  else
    echo "[INFO] ripgrep ist nicht installiert... suche mit 'grep'"
    grep --recursive --line-number --ignore-case --exclude-dir=".git" "$1" .
  fi
}
function ssh {
  # benennt das aktuelle tmux-windows nach dem ssh-ziel
  # baut ssh-verbindung auf
  if [ -n "${TMUX}" ]; then
    tmux rename-window "${@: -1}"
  fi
  command ssh "$@"
  if [ -n "${TMUX}" ]; then
    tmux rename-window "$(hostname -f)"
  fi
}
function gcm {
  if [ -z "$1" ]; then
    echo "Commit-Message fehlt, setze Default-Message..."
    git commit -s -m "changed Files: $(git diff --name-only --staged)"
  else
    # übergibt alle argumente an git commit -m als commit nachricht
    git commit -s -m "$*"
  fi
}
function gc {
  case "$1" in
  --help | -h)
    cat <<EOF

    Description:
    "git checkout" on steroids

    Usage:
    gc [--help|--new-branch] [branch]

    Options:
    -h, --help        Print this help.
    -b, --new-branch  Create a new Branch instead changing to an existing branch.

    Author:
    michael.grote@posteo.de - git.mgrote.net
EOF
    ;;
  --new-branch | -b)
    (git checkout --quiet -b "$2" && git push --set-upstream "$(git remote | head -n 1)" "$2"  && echo '>>> Create new branch "'"$2"'"') ||
    (git checkout --quiet "$2" > /dev/null 2>&1 && echo '>>> Branch already exists, checking out... ')
    ;;
  *)
    if [ ! -z $1 ] ; then
      (echo ">>> Try local checkout" && git checkout --quiet "$1" > /dev/null 2>&1) ||
      (echo ">>> Try remote checkout" && git checkout --quiet -b "$1" origin/"$1" > /dev/null 2>&1 || echo ">>> Unknown branch!")
    else
      echo ">>> get default branch"
      default_branch=$(git remote show origin | sed -n '/HEAD branch/s/.*: //p')
      git checkout --quiet ${default_branch} > /dev/null 2>&1
    fi
  esac
}
function glogs {
  # https://git-scm.com/docs/pretty-formats
  # https://stackoverflow.com/questions/3631005/git-log-tabular-formatting
  # https://stackoverflow.com/questions/7736781/how-to-make-git-log-not-prompt-to-continue
  if [ -z "$1" ]; then
    ncommits=30;
  else
    ncommits="$1";
  fi;
  git log --pretty=format:'%C(auto) %<|(16,trunc)%h %Cred %G?%Creset %<|(60,trunc)%s %<(20,trunc)%Cgreen%cr%Creset %<(15,trunc)%Cblue%an%Creset %Cred%D' --graph --all -$ncommits
}
function gp {
  git pull "$@"
}
function mdtoc {
  grep --recursive --include="*.md" ^# | sort --version-sort --field-separator=":" | awk 'BEGIN {FS=":"}{print $2 "&&" $1}' | column --table --separator "&&" --table-truncate 1,2
}
# "scrolle" durch die commit-history
ghist() {
    local total_commits=$(git rev-list HEAD --count)
    local current_commit=$total_commits

    show_commit_diff() {
        if [ $current_commit -le $total_commits ] && [ $current_commit -ge 1 ]; then
            local commit_hash=$(git rev-list --reverse HEAD | sed -n "${current_commit}p")
            git --no-pager show $commit_hash
        fi
    }

    while true; do
        clear  # Clear the terminal
        show_commit_diff

        # Display navigation options
        echo "-----------------------------------------------------------"
        echo "Navigation: N - Next Commit, P - Previous Commit, Q - Quit"
        echo "-----------------------------------------------------------"
        read -n1 -s option

        case $option in
            p|P)
                if [ $current_commit -gt 1 ]; then
                    ((current_commit--))
                fi
                ;;
            n|N)
                if [ $current_commit -lt $total_commits ]; then
                    ((current_commit++))
                fi
                ;;
            q|Q)
                break
                ;;
            *)
                echo "Invalid option"
                ;;
        esac
    done
}

### Aliase
# tmux
alias tmuxa="tmux a -t "
alias tmuxn="tmux new -s "
alias tmuxl="tmux ls"
alias tmuxk="tmux kill-session -t"
# abkuerzungen
alias ip="ip --color=auto"
alias cls="clear"
alias tracert="traceroute"
alias df="df -h"
alias du="du -h"
alias grep="grep -i --color=auto"
alias hostname="hostname -f"
alias untar="tar -xzf"
alias unmount="umount"
alias ru="rip url --max-quality 3 --codec flac"
alias mkdir="mkdir -p"
alias last="last -w"
alias ll="ls -lAh"
alias tree="tree -a -I **.git**"
# git
alias gs="git status"
alias gf="git fetch"
alias gdel="git reset --hard ; git clean -f"
alias glast="git log -1 HEAD --stat"
alias gd="git diff"
alias gsp="git stage -p"
alias gdbranch='git for-each-ref --format '%(refname:short)' refs/heads | grep -v "master\|main" | xargs git branch -D'
# docker
alias dcu="docker-compose up"
alias dcd="docker-compose down"
alias dcr="docker-compose down && docker-compose up -d"
# safeguard
alias mv="mv -i "
alias cp="cp -i "
alias rm="rm -i "