install-nix-action-v7

• macos: bootstrap Nix with the new volume approach, ditching symlink that had issues like #21
• macos: reliably wait for nix-daemon socket connection
• macos: disable spotlight for /nix, speeding up builds
• rewrite most of the script to bash, so there's no more need for node_modules

install-nix-action-v6

Enable daemon (multi-user) installation of Nix for macOS and Linux.
Enable sandbox for Linux.

The downside of this check is that the installation of Nix takes much longer, around 1min on macOS.

This can be improved with #13
macOS sandbox support tracked at #15

install-nix-action-v5

v4 was a brown bag release.

install-nix-action-v4

Fix macOS (Catalina) support.

install-nix-action-v3

• speed up builds by setting max-jobs = auto in /etc/nix/nix.conf
• properly avoid segfault when installing Nix

install-nix-action-v2

• sync javascript with typescript (and add a CI check for it)
• include node_modules to fix action

install-nix-action v1

rename