config-backup/claude

#!/usr/bin/env bash
set -euo pipefail

log_dir="${HOME}/.claude/logs"
mkdir -p "$log_dir"

timestamp="$(date +%Y%m%d-%H%M%S)"
session_file="${log_dir}/session-${timestamp}.log"
cwd="$(pwd)"

echo "session: ${session_file}"

if [[ -z "${CLAUDE_CODE_OAUTH_TOKEN:-}" ]]; then
  CLAUDE_CODE_OAUTH_TOKEN="$(pass show claude/oauth-token | tr -d '\n')" || {
    echo "error: could not retrieve token from pass" >&2
    exit 1
  }
fi

if [[ -n "${ANTHROPIC_API_KEY:-}" ]]; then
  echo "error: ANTHROPIC_API_KEY would override oauth, billing API instead of plan" >&2
  exit 1
fi

# build minimal claude.json with subscription binding only
auth_blob="$(
  python3 <<PY
import json
d = json.load(open("${HOME}/.claude.json"))
out = {
    "hasCompletedOnboarding": True,
    "theme": "dark",
    "bypassPermissionsModeAccepted": True,
    "userID": d.get("userID", ""),
    "oauthAccount": d.get("oauthAccount", {}),
    "mcpServers": d.get("mcpServers", {}),
    "projects": {
        "/workspace": {
            "hasTrustDialogAccepted": True,
            "hasTrustDialogHooksAccepted": True,
            "hasCompletedProjectOnboarding": True,
            "mcpServers": d.get("projects", {}).get("${cwd}", {}).get("mcpServers", {}),
        },
    },
}
print(json.dumps(out))
PY
)"

if [[ -z "$(echo "$auth_blob" | python3 -c 'import sys,json; print(json.load(sys.stdin).get("userID",""))')" ]]; then
  echo "error: no userID found in host ~/.claude.json -- log in on host first" >&2
  exit 1
fi

export CLAUDE_CODE_OAUTH_TOKEN
export AUTH_BLOB="$auth_blob"

# sync CLAUDE.md into .claude/ so it's visible at /workspace/.claude/CLAUDE.md inside container
mkdir -p "${cwd}/.claude"
if [[ -f "${cwd}/CLAUDE.md" ]]; then
  cp "${cwd}/CLAUDE.md" "${cwd}/.claude/CLAUDE.md"
fi

docker pull containers.ion606.dev/ion606/claude-docker:latest 1> /dev/null

# resolve symlinks under cwd, mount host targets at container-side resolved paths
# absolute link: container path == host target
# relative link: container path = normalize(/workspace + relpath(link,cwd)/.. + raw)
symlink_max_depth="${CLAUDE_SYMLINK_MAXDEPTH:-3}"
symlink_mounts=()
seen_pairs=()
while IFS= read -r -d '' link; do
	host_target="$(readlink -f -- "$link" 2>/dev/null)" || continue
	[[ -z "$host_target" || ! -e "$host_target" ]] && continue
	
	# skip if target inside cwd (already covered by /workspace mount)
	[[ "$host_target" == "$cwd"/* || "$host_target" == "$cwd" ]] && continue
	
	raw="$(readlink -- "$link")"
	if [[ "$raw" = /* ]]; then
		container_path="$host_target"
	else
		rel="${link#$cwd/}"
		container_path="$(realpath -m "/workspace/$(dirname "$rel")/$raw")"
	fi

	pair="${host_target}:${container_path}"
	for p in "${seen_pairs[@]:-}"; do [[ "$p" == "$pair" ]] && continue 2; done
	
	seen_pairs+=("$pair")
	symlink_mounts+=(-v "$pair")
done < <(find "$cwd" -maxdepth "$symlink_max_depth" -type l -print0 2>/dev/null)


docker run --rm -it \
	-v "${cwd}:/workspace" \
	-v "${HOME}/.claude/plugins:/home/claude/.claude/plugins:ro" \
	-v "${HOME}/.claude/settings.json:/home/claude/.claude/settings.json:ro" \
	"${symlink_mounts[@]}" \
	-e CLAUDE_CODE_OAUTH_TOKEN \
	-e AUTH_BLOB \
	--cap-drop ALL \
	--gpus all \
	containers.ion606.dev/ion606/claude-docker:latest "$@" \
	2>&1 | tee "$session_file"