| 29 Aug 2025 |
 QuadRadical (Ping) | Is fenix still the best way to get extra components, e.g. llvm-tools-preview? | 01:53:12 |
| QuadRadical (Ping) | It seems rather unmaintained. | 01:53:16 |
| QuadRadical (Ping) | My current issue is I can't get the binary cache to cache inputs.fenix.packages.${system}.complete.toolchain | 01:54:37 |
| QuadRadical (Ping) | My current issue is I can't get the binary cache to cache inputs.fenix.packages.${system}.complete.toolchain, it's always building from source. | 01:56:57 |
 Charles | Are you setting follows on anything on your fenix input? Because if so that's your problem | 02:07:29 |
| QuadRadical (Ping) | No, just regular input. | 02:15:17 |
| QuadRadical (Ping) | fenix.url = "github:nix-community/fenix"; | 02:15:24 |
| Charles | Idk then. You could try oxalica/rust-overlay if you want an alternative | 02:17:44 |
| QuadRadical (Ping) | rust-overlay seems even worse maintained tbh | 02:18:24 |
| QuadRadical (Ping) | i think i can actually maybe use nixpkgs cargo and install llvm seperately | 02:18:35 |
| QuadRadical (Ping) | and set LLVM_COV=$(which llvm-cov) LLVM_PROFDATA=$(which llvm-profdata) | 02:18:42 |
| QuadRadical (Ping) | trying rn | 02:18:42 |
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 hexa | the servo build for mozjs_sys fails because it tries to inspect the cargo metadata for the workspace | 23:05:03 |
| hexa |
called Result::unwrap() on an Err value: CargoMetadata { stderr: "error: failed to get encoding_c as a dependency of package mozjs_sys v0.140.0-1 (/build/servo-0-unstable-2025-09-01-vendor/mozjs_sys-0.140.0-1)\n\nCaused by:\n failed to load source for dependency encoding_c\n\nCaused by:\n Unable to update registry crates-io\n\nCaused by:\n failed to update replaced source registry crates-io\n\nCaused by:\n failed to read root of directory source: /build/servo-0-unstable-2025-09-01-vendor/@vendor@\n\nCaused by:\n No such file or directory (os error 2)\n" }
| 23:05:21 |
| hexa | https://github.com/servo/mozjs/blob/main/mozjs-sys/build.rs#L130 | 23:05:36 |
| hexa | the reason is this snippet we ship in .cargo/config.toml of the vendor data | 23:06:10 |
| hexa | ❯ cat ./b/servo-0-unstable-2025-09-01-vendor/.cargo/config.toml
[source.vendored-sources]
directory = "@vendor@"
[source.crates-io]
replace-with = "vendored-sources"
| 23:06:13 |
| hexa | * ❯ cat ./b/servo-0-unstable-2025-09-01-vendor/.cargo/config.toml
[source.vendored-sources]
directory = "@vendor@"
[source.crates-io]
replace-with = "vendored-sources"
[...]
| 23:06:21 |
| hexa | i currently only pass cargoHash, so I'm wondering how to patch that | 23:14:13 |
| hexa | anyway, this seems to origin in | 23:14:43 |
| hexa | ❯ cat pkgs/build-support/rust/fetchcargo-default-config.toml
[source."crates-io"]
"replace-with" = "vendored-sources"
[source."vendored-sources"]
"directory" = "@vendor@"
| 23:14:47 |
| hexa | * anyway, this seems to originate in | 23:20:48 |
