muhammed: Add launchd service to update git repos

2 files changed, 24 insertions, 0 deletions

diff --git a/hosts/muhammed/configuration.nix b/hosts/muhammed/configuration.nix
index d351ece..54fd36e 100644
--- a/hosts/muhammed/configuration.nix
+++ b/hosts/muhammed/configuration.nix
@@ -10,6 +10,7 @@
     ../../shared/nixos-and-darwin/common-hm-settings
 
     ./remote-builders
+    ./update-git-repos
   ];
 
   # Avoid downloading the nixpkgs tarball every hour.
diff --git a/hosts/muhammed/update-git-repos/default.nix b/hosts/muhammed/update-git-repos/default.nix
new file mode 100644
index 0000000..673f86d
--- /dev/null
+++ b/hosts/muhammed/update-git-repos/default.nix
@@ -0,0 +1,23 @@
+{pkgs, ...}: {
+  launchd.agents."update-git-repos" = {
+    serviceConfig = {
+      ProgramArguments = let
+        script = pkgs.writeShellScript "update-git-repos" ''
+          printf '\x1b[1m=> Starting %s\x1b[0m\n' "$(basename "$0")"
+          find ~/Source ~/Projects -name '*.git' -print0 | while read -d $'\0' -r repo; do
+            printf '\x1b[1m=> Updating %s\x1b[0m\n' "$repo"
+            git -C "$repo" fetch --all
+          done
+        '';
+      in
+        # This *should* forward the scripts output to the universal logging system.
+        # I can't really figure it out and I kind of hate all of Apple's tooling.
+        ["/bin/sh" "-c" "${script} 2>&1 | logger -s"];
+
+      # Only run this service when network is available.
+      KeepAlive.NetworkState = true;
+
+      StartInterval = 3600; # Once an hour.
+    };
+  };
+}