#!/bin/sh

user=$(whoami)
repo="$IPFS_PATH"

# Test whether the mounted directory is writable for us
if [ ! -w "$repo" 2>/dev/null ]; then
  echo "error: $repo is not writable for user $user (uid=$(id -u $user))"
  exit 1
fi

ipfs version

if [ -e "$repo/config" ]; then
  echo "Found IPFS fs-repo at $repo"
else
  ipfs init
  ipfs config Addresses.API /ip4/0.0.0.0/tcp/5001
  ipfs config Addresses.Gateway /ip4/0.0.0.0/tcp/8080
fi

# if the first argument is daemon
if [ "$1" = "daemon" ]; then
  # filter the first argument until
  # https://github.com/ipfs/go-ipfs/pull/3573
  # has been resolved
  shift
else
  # print deprecation warning
  # go-ipfs used to hardcode "ipfs daemon" in it's entrypoint
  # this workaround supports the new syntax so people start setting daemon explicitly
  # when overwriting CMD, making this PR safe to merge
  echo "DEPRECATED: arguments have been set but the first argument isn't 'daemon'" >&2
  echo "DEPRECATED: run 'docker run ipfs/go-ipfs daemon $@' instead" >&2
  echo "DEPRECATED: see the following PRs for more information:" >&2
  echo "DEPRECATED: * https://github.com/ipfs/go-ipfs/pull/3573" >&2
  echo "DEPRECATED: * https://github.com/ipfs/go-ipfs/pull/3685" >&2
fi

exec ipfs daemon "$@"