BREAKING CHANGE: Previously cargo assumed it had to rerun build.rs if any files in the project changed. prost-build will now emit rerun commands, which means only the explicitly marked files cause a rerun. If build.rs is dependent on any other file paths than those given to prost-build, then your build.rs needs to emit rerun commands as well.
Inform
cargoabout the files and env vars used byprost-build. Thencargocan better determine when to rebuild a project.rerun-if-changedfor each proto file specifiedrerun-if-changedfor each include directory specifiedrerun-if-changediffile_descriptor_set_pathis setrerun-if-env-changedforPROTOCandPROTOC_INCLUDEhttps://doc.rust-lang.org/cargo/reference/build-scripts.html#rerun-if-changed
BREAKING CHANGE: Previously
cargoassumed it had to rerunbuild.rsif any files in the project changed.prost-buildwill now emitreruncommands, which means only the explicitly marked files cause a rerun. Ifbuild.rsis dependent on any other file paths than those given toprost-build, then yourbuild.rsneeds to emitreruncommands as well.