.gitconfig

[alias]

  # View abbreviated SHA, description, and history graph of the latest 20 commits.
  l = log --pretty="format:%Cgreen%h%Creset\\ %an\\ -\\ %s" -n 20 --graph --abbrev-commit

  # List commits showing changed files
  ll = log --pretty="format:%C(yellow)%h%Cred%d\\ %Creset%s%Cblue\\ [%cn]" --decorate --numstat

  # View the current working tree status using the short format.
  st = status -s

  # Show the diff between the latest commit and the current state.
  d = !"git diff-index --quiet HEAD -- || clear; git --no-pager diff --patch-with-stat"

  # `git di $number` shows the diff between the state `$number` revisions ago and the current state.
  di = !"d() { git diff --patch-with-stat HEAD~$1; }; git diff-index --quiet HEAD -- || clear; d"

  # Pull in remote changes for the current repository and all its submodules.
  p = !"git pull; git submodule foreach git pull"

  # Clone a repository including all submodules.
  c = clone --recursive

  # Commit all changes.
  ca = !git add -A && git commit -av

  # Switch to a branch, creating it if necessary.
  co = "!f() { git checkout -b \"$1\" 2> /dev/null || git checkout \"$1\"; }; f"

  # Amend the currently staged files to the latest commit.
  amend = commit --amend --reuse-message=HEAD

  # Credit an author on the latest commit.
  credit = "!f() { git commit --amend --author \"$1 <$2>\" -C HEAD; }; f"

  # Remove the old tag with this name and tag the latest commit with it.
  retag = "!f() { git tag -d $1 && git push origin :refs/tags/$1 && git tag $1; }; f"

  # Undo the last commit (see https://twitter.com/codingchaos/status/1567956920983781377)
  oops = "!f() { git reset --soft HEAD~$1; }; f"

  # Undo a `git push` of current branch.
  undopush = "!f() { git push -f origin HEAD^:$1; }; f"

  # Find branches containing commit.
  fb = "!f() { git branch -a --contains $1; }; f"

  # Find tags containing commit.
  ft = "!f() { git describe --always --contains $1; }; f"

  # Find commits by source code.
  fc = "!f() { git log --pretty=format:'%C(yellow)%h  %Cblue%ad  %Creset%s%Cgreen  [%cn] %Cred%d' --decorate --date=short -S$1; }; f"

  # Find commits by commit message.
  fm = "!f() { git log --pretty=format:'%C(yellow)%h  %Cblue%ad  %Creset%s%Cgreen  [%cn] %Cred%d' --decorate --date=short --grep=$1; }; f"

  # Remove branches that have already been merged with the default branch.
  # a.k.a. ‘delete merged’
  dm = "!git branch --merged | grep -v '\\*' | xargs -n 1 git branch -d"

  # Show verbose output about tags, branches, remotes or aliases.
  tags = tag -l
  branches = branch -a --no-column
  remotes = remote -v
  aliases = !"git config -l | grep alias | cut -c 7-"

  # Show files ignored by Git.
  ignores = ls-files -o -i --exclude-standard

  # List contributors with number of commits.
  contributors = shortlog --summary --numbered

  # What the heck was I just doing? (see https://carolynvanslyck.com/blog/2020/12/git-wip/)
  wip = for-each-ref --sort='authordate:iso8601' --format=' %(color:green)%(authordate:relative)%09%(color:white)%(refname:short)' refs/heads

[apply]

  # Detect whitespace errors when applying a patch.
  whitespace = fix

[branch]

  # Sort branches by commit date.
  sort = -committerdate

[column]

  # Automatically use a column UI.
  ui = auto

[core]

  # Use custom `.gitignore` and `.gitattributes`.
  excludesfile = ~/.gitignore
  attributesfile = ~/.gitattributes

  # Treat spaces before tabs and all kinds of trailing whitespace as an error
  # [default] trailing-space: looks for spaces at the end of a line
  # [default] space-before-tab: looks for spaces before tabs at the beginning of a line
  whitespace = space-before-tab,-indent-with-non-tab,trailing-space

  # Make `git rebase` safer on macOS.
  # More info: <https://www.git-tower.com/blog/make-git-rebase-safe-on-osx>
  trustctime = false

  # Prevent showing files whose names contain non-ASCII symbols as unversioned.
  # https://michael-kuehnel.de/git/2014/11/21/git-mac-osx-and-german-umlaute.html
  precomposeunicode = false

  # `git-delta` upgrades your diffs' appearances.
  # https://github.com/dandavison/delta
  pager = "delta"

  # Speed up commands involving untracked files such as `git status`.
  # https://git-scm.com/docs/git-update-index#_untracked_cache
  untrackedCache = true

[color]

  # Use colors in Git commands that are capable of colored output when
  # outputting to the terminal. (This is the default setting in Git ≥ 1.8.4.)
  ui = auto

[color "branch"]

  current = yellow reverse
  local = yellow
  remote = green

[color "diff"]

  meta = 11
  frag = magenta bold # line info
  func = 146 bold
  commit = yellow bold
  old = red bold # deletions
  new = green bold # additions
  whitespace = red reverse

[color "diff-highlight"]

  oldNormal = red bold
  oldHighlight = red bold 52
  newNormal = green bold
  newHighlight = green bold 22

[color "status"]

  added = green
  changed = yellow
  untracked = cyan

[commit]

  # https://help.github.com/articles/signing-commits-using-gpg/
  gpgsign = true

[credential]

  # Use the macOS Keychain for credentials.
  helper = osxkeychain

[delta]

  # Use n and N to move between diff sections.
  navigate = true

  # Re-use ANSI colors from terminal theme.
  syntax-theme = ansi

[diff]

  # Detect copies as well as renames.
  renames = copies

  # Handle moved code (requires Git >= v2.17).
  colorMoved = default

[diff "bin"]

  # Use `hexdump` to diff binary files.
  textconv = hexdump -v -C

[gpg]

  # Use SSH instead of GPG format.
  format = ssh

[gpg "ssh"]

  # Use 1Password as SSH client.
  # https://developer.1password.com/docs/ssh/git-commit-signing/
  program = "/Applications/1Password.app/Contents/MacOS/op-ssh-sign"

[help]

  # Automatically correct and execute mistyped commands.
  autocorrect = 1

[init]

  # Use `main`, not `master` as default branch. (Requires Git ≥ 2.28.)
  defaultBranch = main

[interactive]

  # Use `git-delta` for all diff output.
  diffFilter = delta --color-only

[merge]

  # Include summaries of merged commits in newly created merge commit messages
  log = true

  # Improve conflict highlighting.
  conflictstyle = diff3

[pull]

  # Merge by default
  # https://git-scm.com/docs/git-config#Documentation/git-config.txt-pullrebase
  rebase = false

[push]

  # https://git-scm.com/docs/git-config#Documentation/git-config.txt-pushdefault
  default = simple

  # Make `git push` push relevant annotated tags when pushing branches out.
  followTags = true

[rerere]

  # Reuse recorded resolution.
  enabled = true

[stash]

  # `git stash show <x>` should show the patch.
  showPatch = true

# Filters

[filter "media"]

  clean = git-media-clean %f
  smudge = git-media-smudge %f
  required = true

[filter "hawser"]

  clean = git hawser clean %f
  smudge = git hawser smudge %f
  required = true

[filter "lfs"]

  clean = git lfs clean %f
  smudge = git lfs smudge %f
  required = true
  process = git-lfs filter-process

# URL shorthands

[url "git@github.com:"]

  insteadOf = "gh:"
  pushInsteadOf = "github:"
  pushInsteadOf = "git://github.com/"

[url "git://github.com/"]

  insteadOf = "github:"

[url "git@gist.github.com:"]

  insteadOf = "gst:"
  pushInsteadOf = "gist:"
  pushInsteadOf = "git://gist.github.com/"

[url "git://gist.github.com/"]

  insteadOf = "gist:"