From: Scott Worley Date: Wed, 15 Apr 2020 04:26:01 +0000 (-0700) Subject: Disallow concurrent auto-upgrade runs X-Git-Url: http://git.scottworley.com/auto-upgrade-with-pinch/commitdiff_plain/d094493528a73ca76e071cf381490d9e7d27423a?ds=inline Disallow concurrent auto-upgrade runs --- diff --git a/modules/auto-upgrade.nix b/modules/auto-upgrade.nix index 974ebb7..2326ecc 100644 --- a/modules/auto-upgrade.nix +++ b/modules/auto-upgrade.nix @@ -42,14 +42,16 @@ in { (import ../overlays/pinch.nix) (self: super: { auto-upgrade = super.writeShellScriptBin "auto-upgrade" '' - set -e - ( - cd /etc/nixos - ${self.keyedgit cfg.key}/bin/git pull --ff-only --verify-signatures - ${self.pinch}/bin/pinch update channels - ) + flock /run/auto-upgrade-with-pinch ${super.writeShellScript "auto-upgrade-with-lock-held" '' + set -e + ( + cd /etc/nixos + ${self.keyedgit cfg.key}/bin/git pull --ff-only --verify-signatures + ${self.pinch}/bin/pinch update channels + ) - ${config.system.build.nixos-rebuild}/bin/nixos-rebuild switch --no-build-output + ${config.system.build.nixos-rebuild}/bin/nixos-rebuild switch --no-build-output + ''} ''; }) ];