My git configuration

.gitconfig

[alias]
    stash-unapply = !git stash show -p | git apply -R
    lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(auto)%d%Creset %s %Cgreen(%ai) %C(bold blue)<%an>%Creset' --abbrev-commit
    co = checkout
    br = branch
    ci = commit
    st = status
    unstage = reset HEAD
    last = log -1 HEAD
    oldest-ancestor = !bash -c 'diff --old-line-format= --new-line-format= <(git rev-list --first-parent \"master\") <(git rev-list --first-parent \"HEAD\") | head -1' -
	  log-merge = "!f() { git log --stat \"$1^..$1\"; }; f"
    find-merge = "!sh -c 'commit=$0 && branch=${1:-HEAD} && (git rev-list $commit..$branch --ancestry-path | cat -n; git rev-list $commit..$branch --first-parent | cat -n) | sort -k2 -s | uniq -f1 -d | sort -n | tail -1 | cut -f2'"
    show-merge = "!sh -c 'merge=$(git find-merge $0 $1) && [ -n \"$merge\" ] && git show $merge'"
	  ta = "!f() { git tag -a \"$1\" -m \"$1\" \"${2:-HEAD}\"; }; f"
	  show-description = !git config \"branch.$(git branch --show-current).description\"
    dlog = -c diff.external=difft log --ext-diff
    dshow = -c diff.external=difft show --ext-diff
    ddiff = -c diff.external=difft diff
[rerere]
    enabled = true
    autoupdate = true
[pull]
    rebase = true
[merge]
    tool = code
    conflictstyle = diff3
[mergetool "code"]
    cmd = code --wait --merge $REMOTE $LOCAL $BASE $MERGED
[diff]
    colorMoved = default
    tool = difftastic
[difftool]
    prompt = false
[difftool "difftastic"]
    cmd = difft "$MERGED" "$LOCAL" "abcdef1" "100644" "$REMOTE" "abcdef2" "100644"
[pager]
    difftool = true
[init]
    defaultBranch = main
[rebase]
    autosquash = true
[push]
    followTags = true
    autoSetupRemote = true
[fetch]
    prune = true
[branch]
    sort = -committerdate
[tag]
    sort = -creatordate