# Maintainer: Ryan Hughes <ryan@omarchy.org>
pkgname=omarchy-nvim
pkgver=2026.9.21
pkgrel=3
pkgdesc="Pre-built LazyVim configuration with cached plugins"
arch=('any')
url="https://github.com/LazyVim/LazyVim"
license=('MIT')
depends=('neovim>=0.9.0' 'git')
makedepends=('git' 'nodejs' 'npm' 'tree-sitter-cli')
conflicts=('omarchy-lazyvim')
options=('!debug')
source=("https://github.com/LazyVim/starter/archive/refs/heads/main.tar.gz")
sha256sums=('d865d50211358358d3c3c1e356773c1e3de1e8964215d85eb1b4c77521e17488')

build() {
  cd "$srcdir"

  # Create isolated environment for building
  export HOME="$srcdir/build-home"
  export XDG_CONFIG_HOME="$HOME/.config"
  export XDG_DATA_HOME="$HOME/.local/share"
  export XDG_STATE_HOME="$HOME/.local/state"
  export XDG_CACHE_HOME="$HOME/.cache"

  mkdir -p "$XDG_CONFIG_HOME" "$XDG_DATA_HOME" "$XDG_STATE_HOME" "$XDG_CACHE_HOME"

  # Setup LazyVim starter
  cp -r "$srcdir/starter-main" "$XDG_CONFIG_HOME/nvim"
  rm -rf "$XDG_CONFIG_HOME/nvim/.git"

  # Copy our custom configs
  cp -r "$startdir/lua" "$XDG_CONFIG_HOME/nvim/"
  cp -r "$startdir/plugin" "$XDG_CONFIG_HOME/nvim/"
  cp "$startdir/lazyvim.json" "$XDG_CONFIG_HOME/nvim/"

  echo "Installing LazyVim plugins..."
  nvim --headless \
    "+Lazy! sync" \
    "+qa!" || true

  echo "Slimming plugin repos..."
  slim_lazy_repos "$XDG_DATA_HOME/nvim"
}

slim_lazy_repos() {
  local data_dir="$1"
  local dir

  for dir in "$data_dir"/lazy/*/; do
    [[ -d "$dir/.git" ]] || continue

    # Exclude test suites via sparse-checkout rather than rm: the worktree
    # stays clean, so the restore pass in package() does not resurrect them
    # and future :Lazy checkouts keep honoring the exclusion. snacks.nvim
    # alone ships 18 MB of tests.
    git -C "$dir" sparse-checkout set --no-cone '/*' '!/test/' '!/tests/' '!/spec/'

    # Cut history down to the checked-out tips: drop the refs that pin older
    # objects, mark every remaining tip as a shallow boundary, then gc. This
    # is half the package -- ~70 MB of .git across the plugins. `git fetch`
    # into a shallow repo stays shallow and re-fetches tags, so :Lazy update
    # still works.
    #
    # Keep refs/remotes/origin/HEAD. It pins no objects (it is a symref, and
    # stays readable after its target ref is gone), but lazy.nvim resolves the
    # default branch through it for plugins parked on a detached HEAD by a
    # version pin -- lazy.nvim, LazyVim and blink.cmp. Without it, get_branch()
    # returns nil and every lockfile write asserts, so :Lazy install/update/sync
    # dies with E5113 on a fresh install.
    git -C "$dir" for-each-ref --format='%(refname)' refs/remotes refs/tags |
      while IFS= read -r ref; do
        [[ $ref == refs/remotes/origin/HEAD ]] && continue
        git -C "$dir" update-ref -d "$ref"
      done
    rm -f "$dir/.git/FETCH_HEAD" "$dir/.git/ORIG_HEAD"
    {
      git -C "$dir" rev-parse HEAD
      git -C "$dir" for-each-ref --format='%(objectname)' refs/heads
    } | sort -u >"$dir/.git/shallow"
    git -C "$dir" reflog expire --expire=all --all

    # lazy.nvim clones with --filter=blob:none, which marks the pack as a
    # promisor pack that gc refuses to repack or prune. The repo is shallow
    # at its tips now, so everything reachable exists locally: drop the
    # promisor markers and the stale commit-graph, then gc for real. Future
    # fetches simply run unfiltered.
    git -C "$dir" config --unset-all remote.origin.promisor || true
    git -C "$dir" config --unset-all remote.origin.partialclonefilter || true
    rm -f "$dir/.git/objects/pack/"*.promisor "$dir/.git/objects/info/commit-graph"
    rm -rf "$dir/.git/objects/info/commit-graphs"
    git -C "$dir" -c gc.writeCommitGraph=false gc --prune=now --quiet
  done
}

restore_lazy_worktrees() {
  local data_dir="$1"
  local dir

  for dir in "$data_dir"/lazy/*/; do
    [[ -d "$dir/.git" ]] || continue
    git --git-dir="$dir/.git" --work-tree="$dir" restore .
  done
}

package() {
  cd "$srcdir"

  install -dm755 "$pkgdir/usr/share/$pkgname"

  cp -a "$XDG_CONFIG_HOME/nvim" "$pkgdir/usr/share/$pkgname/config"
  cp -a "$XDG_DATA_HOME/nvim" "$pkgdir/usr/share/$pkgname/data"

  # Remove everything from site/ directory but keep the directory to prevent error
  rm -rf "$pkgdir/usr/share/$pkgname/data/site"/*
  mkdir -p "$pkgdir/usr/share/$pkgname/data/site"

  # Fix permissions to be readable by all users
  chmod -R 755 "$pkgdir/usr/share/$pkgname"
  find "$pkgdir/usr/share/$pkgname" -type f -exec chmod 644 {} \;

  # Restore plugin worktree modes after the package-wide chmod so users seeded
  # from /etc/skel do not need a first-login omarchy-nvim-setup cleanup pass.
  restore_lazy_worktrees "$pkgdir/usr/share/$pkgname/data"

  # Seed new users via /etc/skel. The installer installs omarchy-nvim before
  # creating the first user, so this handles initial ISO installs and future
  # users without an extra overwrite step.
  install -dm755 "$pkgdir/etc/skel/.config" "$pkgdir/etc/skel/.local/share"
  cp -a "$pkgdir/usr/share/$pkgname/config" "$pkgdir/etc/skel/.config/nvim"
  cp -a "$pkgdir/usr/share/$pkgname/data" "$pkgdir/etc/skel/.local/share/nvim"
  ln -snf "../../../../.local/state/omarchy/current/theme/neovim.lua" \
    "$pkgdir/etc/skel/.config/nvim/lua/plugins/theme.lua"

  # Ship the plugin cache once, now that /etc/skel has its copy. Keeping a
  # second one under /usr/share made omarchy-nvim the largest package in an
  # Omarchy install after noto-fonts-cjk — ~116 MiB installed, ~88 MB of it read
  # off the ISO on every install. config/ stays: migrations read it from there.
  rm -rf "$pkgdir/usr/share/$pkgname/data"

  # Install setup/refresh commands to /usr/bin. setup fills missing pieces;
  # refresh explicitly backs up and overwrites with the same /etc/skel defaults
  # used for newly-created users.
  install -Dm755 "$startdir/omarchy-nvim-setup" "$pkgdir/usr/bin/omarchy-nvim-setup"
  ln -s omarchy-nvim-setup "$pkgdir/usr/bin/omarchy-nvim-refresh"
}