Configure cargo to avoid any network access

This became necessary starting with Rust nightly 2024-03-26. But it has never been a good idea to access network in Nix builds.
proski · Apr 3, 2024 · f7f5156 · f7f5156
1 parent b2e09fd
commit f7f5156
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/overlay/mkcrate.nix b/overlay/mkcrate.nix
@@ -178,6 +178,8 @@ let
     configureCargo = ''
       mkdir -p .cargo
       cat > .cargo/config <<'EOF'
+      [net]
+      offline = true
       [target."${rustBuildTriple}"]
       linker = "${ccForBuild}"
     '' + optionalString (codegenOpts != null && codegenOpts ? "${rustBuildTriple}") (''