Key bindings for git with fzf (https://junegunn.kr/2016/07/fzf-git/)

fzf_git.sh

# GIT heart FZF
# -------------

is_in_git_repo() {
  git rev-parse HEAD > /dev/null 2>&1
}

# Only for interactive bash session
if [[ $- =~ i ]];then

fzf-down() {
  fzf --height 50% "$@" --no-mouse --border --bind "shift-down:page-down,shift-up:page-up,ctrl-f:preview-page-down,ctrl-b:preview-page-up,alt-j:preview-down,alt-k:preview-up"
}

fzf_gf() {
  is_in_git_repo || return
  git -c color.status=always status --short | \
  fzf-down -m --ansi --nth 2..,.. --preview '(git diff --color=always -- {-1} | sed 1,4d; cat {-1}) | head -500' | \
  cut -c4- | sed 's/.* -> //'
}

# https://unix.stackexchange.com/a/174006 (sed '/^*/!H;//p;$!d;g;s/\n//') - move lines that start with * to top
fzf_gb() {
  is_in_git_repo || return
  git branch -a --color=always | grep -v '/HEAD\s' | sed '/^*/!H;//p;$!d;g;s/\n//' | \
  fzf-down --ansi --multi --preview-window right:70% --preview 'git log --oneline --graph --date=short --color=always --pretty="format:%C(auto)%cd %h%d %s" $(sed s/^..// <<< {} | cut -d" " -f1) -- | head -'$LINES | \
  sed 's/^..//' | cut -d' ' -f1 | sed 's#^remotes/##'
}

fzf_gt() {
  is_in_git_repo || return
  git tag --sort -version:refname | \
  fzf-down --multi --preview-window right:70% --preview 'git show --color=always {} | head -'$LINES
}

fzf_gh() {
  is_in_git_repo || return
  git log --date=short --format="%C(green)%C(bold)%cd %C(auto)%h%d %s (%an)" --graph --color=always | \
  fzf-down --ansi --no-sort --reverse --multi --bind 'ctrl-s:toggle-sort' --header 'Press CTRL-S to toggle sort' --preview 'grep -o "[a-f0-9]\{7,\}" <<< {} | xargs git show --color=always | head -'$LINES | \
  grep -o "[a-f0-9]\{7,\}"
}

fzf_gr() {
  is_in_git_repo || return
  git remote -v | awk '{print $1 "\t" $2}' | uniq | \
  fzf-down --tac --preview 'git log --oneline --graph --date=short --pretty="format:%C(auto)%cd %h%d %s" --remotes={1} | head -200' | \
  cut -d$'\t' -f1
}

fzf_gl() {
  is_in_git_repo || return
  git log --pretty="%C(auto)%h | %C(green)%C(bold)%ci |%C(auto)%d %s (%an)" --graph --color=always "$@" |
  fzf --ansi --no-sort --no-mouse --layout=reverse-list --tiebreak=index --bind=ctrl-s:toggle-sort --no-border --height 100% \
      --bind "ctrl-f:page-down,ctrl-b:page-up,ctrl-m:execute:
                (grep -o '[a-f0-9]\{7\}' | head -1 |
                xargs -I % sh -c 'git show --color=always % | less -R') << 'FZF-EOF'
                {}
FZF-EOF"
}

fzf_gco() {
  is_in_git_repo || return

  if [[ $1 != "" ]]; then
    git checkout "$@"
  else
    result=`git branch -a --color=always | grep -v '/HEAD\s' | sort |
    fzf-down --ansi --tac --preview-window right:70% --preview 'git log --oneline --graph --date=short --color=always --pretty="format:%C(auto)%cd %h%d %s" $(sed s/^..// <<< {} | cut -d" " -f1) -- | head -'$LINES |
    sed 's/^..//' | cut -d' ' -f1`

    if [[ $result != "" ]]; then
      if [[ $result == remotes/* ]]; then
        git checkout --track "$(echo $result | sed 's#remotes/##')"
      else
        git checkout "$result"
      fi
    fi
  fi
}

# git cherry pick
fzf_gcp() {
  is_in_git_repo || return

  result=`git log --date=short --format="%C(green)%C(bold)%cd %C(auto)%h%d %s (%an)" --graph --color=always $1 | \
  fzf-down --ansi --no-sort --reverse --multi --bind 'ctrl-s:toggle-sort,tab:toggle-up,btab:toggle-down' --header 'Press CTRL-S to toggle sort. Commits will be applied in the order they are selected.' --preview 'grep -o "[a-f0-9]\{7,\}" <<< {} | xargs git show --color=always | head -'$LINES | \
  grep -o "[a-f0-9]\{7,\}"`

  if [[ $result != "" ]]; then
    #echo git cherry-pick $result
    git cherry-pick $result
  fi
}

# don't really need this. fzf_gl is better
fzf_gd() {
  is_in_git_repo || return
  result=$(git log --date=short --format="%C(green)%C(bold)%cd %C(auto)%h%d %s (%an)" --graph --color=always | \
  fzf-down --ansi --no-sort --reverse --multi=2 --bind 'ctrl-s:toggle-sort' --header 'Commits will be swapped for the diff. Press CTRL-S to toggle sort' --preview 'grep -o "[a-f0-9]\{7,\}" <<< {} | xargs git show --color=always | head -'$LINES | \
  grep -o "[a-f0-9]\{7,\}")

  case "$result" in
    *[[:space:]]*)
      dh=$(echo $result |awk '{printf "%s..%s", $2, $1}')
      git diff $dh
      ;;
  esac
}

bind '"\er": redraw-current-line'
bind '"\C-g\C-f": "$(fzf_gf)\e\C-e\er"'
bind '"\C-g\C-b": "$(fzf_gb)\e\C-e\er"'
bind '"\C-g\C-t": "$(fzf_gt)\e\C-e\er"'
bind '"\C-g\C-h": "$(fzf_gh)\e\C-e\er"'
bind '"\C-g\C-r": "$(fzf_gr)\e\C-e\er"'
bind '"\C-g\C-l": "$(fzf_gl)\e\C-e\er"'

fi