bashrc_git

# git-irebase-branch - interactive rebase current branch into another branch
girebasebranch() {
  branches=$(git for-each-ref --count=30 --sort=-committerdate refs/heads/ --format="%(refname:short)") &&
  branch=$(echo "$branches" |
           fzf-tmux -d $(( 2 + $(wc -l <<< "$branches") )) +m) &&
  git rebase -i $(echo "$branch" | sed "s/.* //" | sed "s#remotes/[^/]*/##")
}


# git-branch - checkout git branch sorted by most recent commit, limit 30 last branches
gbranch() {
  local branches branch
  branches=$(git-local-branches) &&
  branch=$(echo "$branches" |
           fzf-tmux -d $(( 2 + $(wc -l <<< "$branches") )) +m) &&
  git checkout $(echo "$branch" | sed "s/.* //" | sed "s#remotes/[^/]*/##")
}

# git-delete-branch - delete local branch 
gdeletebranch() {
  local branches branch
  branches=$(git-local-branches) &&
  branch=$(echo "$branches" |
           fzf-tmux -d $(( 2 + $(wc -l <<< "$branches") )) +m) &&
  git branch -d $(echo "$branch" | sed "s/.* //")
}

# plumbing
alias git-ls-untracked='git ls-files --others --exclude-standard --relative'
alias git-ls-changed='git diff --name-only --relative'
alias git-ls-staged='git diff --name-only --staged --relative'
alias git-local-branches='git for-each-ref refs/heads/ --format="%(refname:short)"'

# git-add : support multiple file selection
alias gadd='git-ls-changed | fzf -m --print0 | xargs -0 -o -t git add'
gdiff() {
  git diff $@ --name-only | fzf -m --ansi --preview-window=right:70% --preview "git diff $@ --color=always -- {-1}"
}

alias gdifff='git diff "$(git-ls-changed | fzf --prompt=git-diff-file:)"'
alias gdiffsf='git diff --staged "$(git-ls-staged | fzf --prompt=git-diff-staged-file:)"'


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

fzf-down() {
  fzf --height 80% "$@" --border
}

# git status
gstatus() {
  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/.* -> //'
}

# git log
glogs() {
  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,\}"
}