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Make .rmeta file in dep-info have correct name (lib prefix)

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Since `filename_for_metadata()` and
`OutputFilenames::path(OutputType::Metadata)` had different logic for
the name of the metadata file, the `.d` file contained a file name
different from the actual name used. Share the logic to fix the
out-of-sync name.

Closes 68839.
This commit is contained in:
Martin Nordholts
2023-08-11 06:20:35 +02:00
parent e286f25ec0
commit 04d81ba153
7 changed files with 49 additions and 28 deletions
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4
compiler/rustc_metadata/src/fs.rs
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@@ -5,7 +5,6 @@ use crate::errors::{
use crate::{encode_metadata, EncodedMetadata};
use rustc_data_structures::temp_dir::MaybeTempDir;
use rustc_hir::def_id::LOCAL_CRATE;
use rustc_middle::ty::TyCtxt;
use rustc_session::config::{OutFileName, OutputType};
use rustc_session::output::filename_for_metadata;
@@ -40,8 +39,7 @@ pub fn emit_wrapper_file(
}
pub fn encode_and_write_metadata(tcx: TyCtxt<'_>) -> (EncodedMetadata, bool) {
let crate_name = tcx.crate_name(LOCAL_CRATE);
let out_filename = filename_for_metadata(tcx.sess, crate_name, tcx.output_filenames(()));
let out_filename = filename_for_metadata(tcx.sess, tcx.output_filenames(()));
// To avoid races with another rustc process scanning the output directory,
// we need to write the file somewhere else and atomically move it to its
// final destination, with an `fs::rename` call. In order for the rename to