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Advanced Terminal Tips and Tricks (www.bitsand.cloud)

submitted 4 months ago by mac to c/programming

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[–] tyler 1 points 4 months ago (1 children)

You can use - everywhere you can use a ref in a git command. I very often use

git checkout master
git pull
git checkout -
git merge -

(Of course that’s all aliased and I have other flags in there too, but that’s the gist)

[–] NostraDavid 1 points 4 months ago (1 children)

Same for cd -. Nice if you want to go to /etc/blah, and then back to where you were.

You can also use pushd and popd which will push and pop directories from a stack, if you need to do something more complex.

Also, if you want to switch faster between branches, slap this in your ~/.gitconfig under [alias]:

co = !git checkout $(git for-each-ref refs/heads/ --format='%(refname:short)' | fzf)

Presuming you've got fzf installed, you can now git co (co = checkout) to get a menu with fuzzy find capabilities to switch between branches. Nice if branch names are long/similar/only-different-at-the-end.

fzf is dope.

[–] tyler 1 points 4 months ago

I have fzf-git for all of that, but honestly I don't ever use it, as I'm hardly ever switching between branches and tab complete is enough for me in most cases.

###
# FZF GIT
###
# Deciphered from fzf-file-widget. Somewhat unclear why it doesn't exist already!
function fzf_add_to_commandline -d 'add stdin to the command line, for fzf functions'
  #git checkout $1
  read -l result
  
  commandline -t ""
  commandline -it -- (string escape $result)
  commandline -f repaint
end

function fzf_checkout -d "git checkout"
  read -l result
  git checkout $result
end


# https://gist.github.com/aluxian/9c6f97557b7971c32fdff2f2b1da8209
function __git_fzf_is_in_git_repo
  command -s -q git
    and git rev-parse HEAD >/dev/null 2>&1
end

function __git_fzf_git_status
  __git_fzf_is_in_git_repo; or return
  git -c color.status=always status --short | \
    fzf -m --ansi --preview 'git diff --color=always HEAD -- {-1} | head -500' | \
    cut -c4- | \
    sed 's/.* -> //' | \
    fzf_add_to_commandline
  commandline -f repaint
end

function __git_fzf_git_branch
  __git_fzf_is_in_git_repo; or return
  git branch -a --color=always | \
    grep -v '/HEAD\s' | \
    fzf -m --ansi --preview-window right:70% --preview 'git log --color=always --oneline --graph --date=short \
      --pretty="format:%C(auto)%cd %h%d %s %C(magenta)[%an]%Creset" \
      --print0 \
      --read0 \
      (echo {} | sed s/^..// | cut -d" " -f1) | head -'$LINES | \
    sed 's/^..//' | cut -d' ' -f1 | \
    sed 's#^remotes/##' | \
    # fzf_add_to_commandline | \
    fzf_checkout
end

function __git_fzf_git_tag
  __git_fzf_is_in_git_repo; or return
  git tag --sort -version:refname | \
    fzf -m --ansi --preview-window right:70% --preview 'git show --color=always {} | head -'$LINES | \
    fzf_add_to_commandline

end

function __git_fzf_git_log
  __git_fzf_is_in_git_repo; or return
  git log --color=always --graph --date=short --format="%C(auto)%cd %h%d %s %C(magenta)[%an]%Creset" | \
    fzf -m --ansi --reverse --preview 'git show --color=always (echo {} | grep -o "[a-f0-9]\{7,\}") | head -'$LINES | \
    sed -E 's/.*([a-f0-9]{7,}).*/\1/' | \
    fzf_add_to_commandline
end

# https://gist.github.com/junegunn/8b572b8d4b5eddd8b85e5f4d40f17236
function git_fzf_key_bindings -d "Set custom key bindings for git+fzf"
  bind \ca\cs __git_fzf_git_status
  bind \ca\cf __git_fzf_git_branch
  bind \ca\ct __git_fzf_git_tag
  bind \ca\cl __git_fzf_git_log
end

git_fzf_key_bindings