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Better error messages on missing or outdated protoc.

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This commit is contained in:
Nicolas Patry 2024-06-04 16:24:46 +00:00
parent 097f7e9b88
commit aad8bb32c0
1 changed files with 5 additions and 1 deletions
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6
router/client/build.rs
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@ -13,7 +13,11 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
.out_dir("src/pb") .out_dir("src/pb")
.include_file("mod.rs") .include_file("mod.rs")
.compile_with_config(config, &["../../proto/generate.proto"], &["../../proto"]) .compile_with_config(config, &["../../proto/generate.proto"], &["../../proto"])
.unwrap_or_else(|e| panic!("protobuf compilation failed: {e}")); .map_err(|e| match e.kind(){
std::io::ErrorKind::NotFound => {panic!("`protoc` not found, install libprotoc")},
std::io::ErrorKind::Other => {panic!("`protoc` version unsupported, upgrade protoc: https://github.com/protocolbuffers/protobuf/releases")},
e => {e}
}).unwrap_or_else(|e| panic!("protobuf compilation failed: {e}"));
Ok(()) Ok(())
} }