ci: set NIX_CONFIG with our binary caches for the earlier CI steps

Signed-off-by: strawberry <strawberry@puppygock.gay>

.github/workflows/ci.yml

@@ -38,8 +38,11 @@ env:
     # Custom nix binary cache if fork is being used
     ATTIC_ENDPOINT: ${{ vars.ATTIC_ENDPOINT }}
     ATTIC_PUBLIC_KEY: ${{ vars.ATTIC_PUBLIC_KEY }}
-    # Get error output from nix that we can actually use
-    NIX_CONFIG: show-trace = true
+    # Get error output from nix that we can actually use, and use our binary caches for the earlier CI steps
+    NIX_CONFIG: |
+      show-trace = true
+      extra-substituters = https://attic.kennel.juneis.dog/conduit https://attic.kennel.juneis.dog/conduwuit https://cache.lix.systems https://conduwuit.cachix.org
+      extra-trusted-public-keys = conduit:eEKoUwlQGDdYmAI/Q/0slVlegqh/QmAvQd7HBSm21Wk= conduwuit:BbycGUgTISsltcmH0qNjFR9dbrQNYgdIAcmViSGoVTE= cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o= conduwuit.cachix.org-1:MFRm6jcnfTf0jSAbmvLfhO3KBMt4px+1xaereWXp8Xg=
 
 permissions:
     packages: write

.github/workflows/documentation.yml

@@ -21,8 +21,11 @@ env:
   # Custom nix binary cache if fork is being used
   ATTIC_ENDPOINT: ${{ vars.ATTIC_ENDPOINT }}
   ATTIC_PUBLIC_KEY: ${{ vars.ATTIC_PUBLIC_KEY }}
-  # Get error output from nix that we can actually use
-  NIX_CONFIG: show-trace = true
+  # Get error output from nix that we can actually use, and use our binary caches for the earlier CI steps
+  NIX_CONFIG: |
+    show-trace = true
+    extra-substituters = https://attic.kennel.juneis.dog/conduit https://attic.kennel.juneis.dog/conduwuit https://cache.lix.systems https://conduwuit.cachix.org
+    extra-trusted-public-keys = conduit:eEKoUwlQGDdYmAI/Q/0slVlegqh/QmAvQd7HBSm21Wk= conduwuit:BbycGUgTISsltcmH0qNjFR9dbrQNYgdIAcmViSGoVTE= cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o= conduwuit.cachix.org-1:MFRm6jcnfTf0jSAbmvLfhO3KBMt4px+1xaereWXp8Xg=
 
 # Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
 # However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.