John Ericson 87da941348 Clean up daemon handling ... Split `common.sh` into the vars and functions definitions vs starting the daemon (and possibly other initialization logic). This way, `init.sh` can just `source` the former. Trying to start the daemon before `nix.conf` is written will fail because `nix daemon` requires `--experimental-features 'nix-command'`. `killDaemon` is idempotent, so it's safe to call when no daemon is running. `startDaemon` and `killDaemon` use the PID (which is now exported to subshells) to decide whether there is work to be done, rather than `NIX_REMOTE`, which might conceivably be set differently even if a daemon is running. `startDaemon` and `killDaemon` can save/restore the old `NIX_REMOTE` as `NIX_REMOTE_OLD`. `init.sh` kills daemon before deleting everything (including the daemon socket).		2023-02-23 11:31:44 -05:00
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vars-and-functions.sh.in