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scripts/snapshot-machine.sh

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+#!/usr/bin/env bash
+
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "$0")/.." && pwd)"
+out_dir="${1:-$repo_root/inventory/current}"
+
+mkdir -p "$out_dir"
+
+run_to_file() {
+  local name="$1"
+  shift
+  "$@" >"$out_dir/$name"
+}
+
+run_shell_to_file() {
+  local name="$1"
+  local cmd="$2"
+  bash -lc "$cmd" >"$out_dir/$name"
+}
+
+cat >"$out_dir/README.md" <<EOF
+# Machine Snapshot
+
+Generated by \`scripts/snapshot-machine.sh\`.
+
+These files are intentionally raw inventories of the current machine state.
+They are meant to answer "what was on the box?" before a migration, not to be
+hand-edited.
+EOF
+
+run_to_file system-uname.txt uname -a
+run_to_file system-sw_vers.txt sw_vers
+run_to_file system-computer-name.txt scutil --get ComputerName
+run_to_file system-local-host-name.txt scutil --get LocalHostName
+run_to_file system-hostname.txt hostname
+
+run_to_file applications-system.txt ls -1 /Applications
+run_to_file applications-user.txt ls -1 "$HOME/Applications"
+run_shell_to_file applications-app-store.txt "mdfind 'kMDItemAppStoreHasReceipt==1' | sort"
+
+run_to_file fonts-user.txt find "$HOME/Library/Fonts" -maxdepth 1 -type f
+run_to_file fonts-system.txt find /Library/Fonts -maxdepth 1 -type f
+
+run_to_file launchagents-user.txt find "$HOME/Library/LaunchAgents" -maxdepth 1 -type f
+run_to_file launchagents-system.txt find /Library/LaunchAgents -maxdepth 1 -type f
+run_to_file launchdaemons-system.txt find /Library/LaunchDaemons -maxdepth 1 -type f
+run_shell_to_file login-items.txt "osascript -e 'tell application \"System Events\" to get the name of every login item' 2>/dev/null || true"
+
+run_to_file home-top-level.txt find "$HOME" -maxdepth 1 -mindepth 1
+run_to_file home-top-level-dirs.txt find "$HOME" -maxdepth 1 -mindepth 1 -type d
+run_to_file home-top-level-files.txt find "$HOME" -maxdepth 1 \( -type f -o -type l \)
+
+run_to_file dot-config-top.txt find "$HOME/.config" -maxdepth 2 -mindepth 1
+run_to_file library-application-support-top.txt find "$HOME/Library/Application Support" -maxdepth 1 -mindepth 1 -type d
+run_to_file library-preferences-top.txt find "$HOME/Library/Preferences" -maxdepth 1 -type f
+
+run_to_file repos-github.txt find "$HOME/Documents/GitHub" -maxdepth 1 -mindepth 1 -type d
+run_shell_to_file repos-outside-github.txt "find \"$HOME\" -maxdepth 3 -type d -name .git 2>/dev/null | sed 's#/.git\$##' | sort"
+
+if command -v brew >/dev/null 2>&1; then
+  run_shell_to_file brew-bundle.txt "brew bundle dump --force --file=-"
+  run_shell_to_file brew-formulae.txt "brew list --formula"
+  run_shell_to_file brew-casks.txt "brew list --cask"
+  run_shell_to_file brew-leaves.txt "HOMEBREW_NO_AUTO_UPDATE=1 brew leaves | sort"
+  run_shell_to_file brew-services.txt "brew services list"
+fi
+
+if command -v npm >/dev/null 2>&1; then
+  run_shell_to_file npm-global.txt "npm ls -g --depth=0 2>/dev/null || true"
+fi
+
+if command -v pnpm >/dev/null 2>&1; then
+  run_shell_to_file pnpm-global.txt "pnpm ls -g --depth=0 2>/dev/null || true"
+fi
+
+if command -v pipx >/dev/null 2>&1; then
+  run_shell_to_file pipx.txt "pipx list 2>/dev/null || true"
+fi
+
+if command -v uv >/dev/null 2>&1; then
+  run_shell_to_file uv-tools.txt "uv tool list 2>/dev/null || true"
+fi
+
+if command -v cargo >/dev/null 2>&1; then
+  run_shell_to_file cargo-installs.txt "cargo install --list 2>/dev/null || true"
+  run_shell_to_file cargo-bin.txt "ls -1 \"$HOME/.cargo/bin\" 2>/dev/null | sort"
+fi
+
+if command -v go >/dev/null 2>&1; then
+  run_shell_to_file go-env.txt "go env"
+  run_shell_to_file go-bin.txt "ls -1 \"\$(go env GOPATH 2>/dev/null)/bin\" 2>/dev/null | sort"
+fi
+
+if command -v python3 >/dev/null 2>&1; then
+  run_shell_to_file python-user-packages.txt "python3 -m pip list --user --format=freeze 2>/dev/null || true"
+fi
+
+if command -v gem >/dev/null 2>&1; then
+  run_shell_to_file ruby-gems.txt "gem list 2>/dev/null || true"
+fi
+
+if command -v nix >/dev/null 2>&1; then
+  run_shell_to_file nix-profile.txt "nix --extra-experimental-features 'nix-command flakes' profile list 2>/dev/null || true"
+fi
+
+echo "Wrote snapshot to $out_dir"
+