README: Link auto-upgrade-with-pinch

[pinch] / tests / core.sh

#!/bin/sh

. ./tests/lib/test-setup.sh

foo_setup

python3 ./pinch.py pin "$conf"

actual_env_command=`python3 ./pinch.py update --dry-run "$conf"`

expected_env_command_RE='^nix-env --profile /nix/var/nix/profiles/per-user/[^/]+/channels --show-trace --file '\''<nix/unpack-channel.nix>'\'' --install --remove-all (-I pinch_profile=/nix/var/nix/profiles/per-user/[^/]+/channels -I pinch_profile_manifest=/nix/store/.{32}-env-manifest.nix )?-I pinch_tarball_for_(repo-[0-9]{10}-[0-9a-f]{11})=('"$NIX_STORE_DIR"'/.{32}-\2.tar.xz) --from-expression '\''f: f \{ name = "\2"; channelName = "foo"; src = builtins.storePath "\3"; \}'\''$'

if echo "$actual_env_command" | egrep "$expected_env_command_RE" > /dev/null;then
  echo PASS
else
  echo "Output:   $actual_env_command"
  echo "does not match RE: $expected_env_command_RE"
  exit 1
fi