build-manifest: add some comments
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f504e37dc6
commit
a4dc33baf6
@ -2000,6 +2000,8 @@ impl Step for HashSign {
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}
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fn run(self, builder: &Builder<'_>) {
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// This gets called by `promote-release`
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// (https://github.com/rust-lang/rust-central-station/tree/master/promote-release).
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let mut cmd = builder.tool_cmd(Tool::BuildManifest);
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if builder.config.dry_run {
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return;
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@ -2010,10 +2012,14 @@ impl Step for HashSign {
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let addr = builder.config.dist_upload_addr.as_ref().unwrap_or_else(|| {
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panic!("\n\nfailed to specify `dist.upload-addr` in `config.toml`\n\n")
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});
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let file = builder.config.dist_gpg_password_file.as_ref().unwrap_or_else(|| {
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panic!("\n\nfailed to specify `dist.gpg-password-file` in `config.toml`\n\n")
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});
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let pass = t!(fs::read_to_string(&file));
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let pass = if env::var("BUILD_MANIFEST_DISABLE_SIGNING").is_err() {
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let file = builder.config.dist_gpg_password_file.as_ref().unwrap_or_else(|| {
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panic!("\n\nfailed to specify `dist.gpg-password-file` in `config.toml`\n\n")
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});
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t!(fs::read_to_string(&file))
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} else {
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String::new()
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};
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let today = output(Command::new("date").arg("+%Y-%m-%d"));
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@ -1,3 +1,9 @@
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//! Build a dist manifest, hash and sign everything.
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//! This gets called by `promote-release`
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//! (https://github.com/rust-lang/rust-central-station/tree/master/promote-release)
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//! via `x.py dist hash-and-sign`; the cmdline arguments are set up
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//! by rustbuild (in `src/bootstrap/dist.rs`).
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use toml;
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use serde::Serialize;
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@ -270,6 +276,7 @@ fn main() {
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// Do not ask for a passphrase while manually testing
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let mut passphrase = String::new();
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if should_sign {
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// `x.py` passes the passphrase via stdin.
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t!(io::stdin().read_to_string(&mut passphrase));
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}
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@ -362,6 +369,7 @@ impl Builder {
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}
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}
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/// Hash all files, compute their signatures, and collect the hashes in `self.digests`.
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fn digest_and_sign(&mut self) {
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for file in t!(self.input.read_dir()).map(|e| t!(e).path()) {
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let filename = file.file_name().unwrap().to_str().unwrap();
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@ -532,19 +540,20 @@ impl Builder {
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.as_ref()
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.cloned()
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.map(|version| (version, true))
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.unwrap_or_default();
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.unwrap_or_default(); // `is_present` defaults to `false` here.
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// miri needs to build std with xargo, which doesn't allow stable/beta:
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// <https://github.com/japaric/xargo/pull/204#issuecomment-374888868>
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// Miri is nightly-only; never ship it for other trains.
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if pkgname == "miri-preview" && self.rust_release != "nightly" {
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is_present = false; // ignore it
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is_present = false; // Pretend the component is entirely missing.
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}
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let targets = targets.iter().map(|name| {
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if is_present {
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// The component generally exists, but it might still be missing for this target.
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let filename = self.filename(pkgname, name);
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let digest = match self.digests.remove(&filename) {
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Some(digest) => digest,
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// This component does not exist for this target -- skip it.
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None => return (name.to_string(), Target::unavailable()),
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};
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let xz_filename = filename.replace(".tar.gz", ".tar.xz");
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