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editors/vscode: patchelf-ing without intermediate files

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This commit is contained in:
Vladimir Serov 2020-05-21 21:30:56 +03:00
parent 8e0d776369
commit 757292856b
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GPG Key ID: 6BA7C26C3FDF7BB3
1 changed files with 5 additions and 5 deletions
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10
editors/code/src/main.ts
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@ -196,9 +196,7 @@ async function patchelf(dest: PathLike): Promise<void> {
title: "Patching rust-analysis for NixOS"
},
async (progress, _) => {
const patchPath = path.join(os.tmpdir(), "patch-ra.nix");
progress.report({ message: "Writing nix file", increment: 5 });
await fs.writeFile(patchPath, `
const expression = `
{src, pkgs ? import <nixpkgs> {}}:
pkgs.stdenv.mkDerivation {
name = "rust-analyzer";
@ -210,12 +208,12 @@ async function patchelf(dest: PathLike): Promise<void> {
patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out
'';
}
`);
`;
const origFile = dest + "-orig";
await fs.rename(dest, origFile);
progress.report({ message: "Patching executable", increment: 20 });
await new Promise((resolve, reject) => {
exec(`nix-build ${patchPath} --arg src '${origFile}' -o ${dest}`,
const handle = exec(`nix-build -E - --arg src '${origFile}' -o ${dest}`,
(err, stdout, stderr) => {
if (err != null) {
reject(Error(stderr));
@ -223,6 +221,8 @@ async function patchelf(dest: PathLike): Promise<void> {
resolve(stdout);
}
});
handle.stdin?.write(expression);
handle.stdin?.end();
});
await fs.unlink(origFile);
}