src/tools/build-manifest/src/main.rs

   1 extern crate toml;
   2 #[macro_use]
   3 extern crate serde_derive;
   4
   5 use std::collections::BTreeMap;
   6 use std::env;
   7 use std::fs;
   8 use std::io::{self, Read, Write};
   9 use std::path::{PathBuf, Path};
  10 use std::process::{Command, Stdio};
  11
  12 static HOSTS: &'static [&'static str] = &[
  13     "aarch64-unknown-linux-gnu",
  14     "arm-unknown-linux-gnueabi",
  15     "arm-unknown-linux-gnueabihf",
  16     "armv7-unknown-linux-gnueabihf",
  17     "i686-apple-darwin",
  18     "i686-pc-windows-gnu",
  19     "i686-pc-windows-msvc",
  20     "i686-unknown-linux-gnu",
  21     "mips-unknown-linux-gnu",
  22     "mips64-unknown-linux-gnuabi64",
  23     "mips64el-unknown-linux-gnuabi64",
  24     "mipsel-unknown-linux-gnu",
  25     "powerpc-unknown-linux-gnu",
  26     "powerpc64-unknown-linux-gnu",
  27     "powerpc64le-unknown-linux-gnu",
  28     "s390x-unknown-linux-gnu",
  29     "x86_64-apple-darwin",
  30     "x86_64-pc-windows-gnu",
  31     "x86_64-pc-windows-msvc",
  32     "x86_64-unknown-freebsd",
  33     "x86_64-unknown-linux-gnu",
  34     "x86_64-unknown-netbsd",
  35 ];
  36
  37 static TARGETS: &'static [&'static str] = &[
  38     "aarch64-apple-ios",
  39     "aarch64-fuchsia",
  40     "aarch64-linux-android",
  41     "aarch64-pc-windows-msvc",
  42     "aarch64-unknown-cloudabi",
  43     "aarch64-unknown-linux-gnu",
  44     "aarch64-unknown-linux-musl",
  45     "arm-linux-androideabi",
  46     "arm-unknown-linux-gnueabi",
  47     "arm-unknown-linux-gnueabihf",
  48     "arm-unknown-linux-musleabi",
  49     "arm-unknown-linux-musleabihf",
  50     "armv5te-unknown-linux-gnueabi",
  51     "armv5te-unknown-linux-musleabi",
  52     "armv7-apple-ios",
  53     "armv7-linux-androideabi",
  54     "thumbv7neon-linux-androideabi",
  55     "armv7-unknown-linux-gnueabihf",
  56     "thumbv7neon-unknown-linux-gnueabihf",
  57     "armv7-unknown-linux-musleabihf",
  58     "armebv7r-none-eabi",
  59     "armebv7r-none-eabihf",
  60     "armv7r-none-eabi",
  61     "armv7r-none-eabihf",
  62     "armv7s-apple-ios",
  63     "asmjs-unknown-emscripten",
  64     "i386-apple-ios",
  65     "i586-pc-windows-msvc",
  66     "i586-unknown-linux-gnu",
  67     "i586-unknown-linux-musl",
  68     "i686-apple-darwin",
  69     "i686-linux-android",
  70     "i686-pc-windows-gnu",
  71     "i686-pc-windows-msvc",
  72     "i686-unknown-freebsd",
  73     "i686-unknown-linux-gnu",
  74     "i686-unknown-linux-musl",
  75     "mips-unknown-linux-gnu",
  76     "mips-unknown-linux-musl",
  77     "mips64-unknown-linux-gnuabi64",
  78     "mips64el-unknown-linux-gnuabi64",
  79     "mipsel-unknown-linux-gnu",
  80     "mipsel-unknown-linux-musl",
  81     "powerpc-unknown-linux-gnu",
  82     "powerpc64-unknown-linux-gnu",
  83     "powerpc64le-unknown-linux-gnu",
  84     "riscv32imc-unknown-none-elf",
  85     "riscv32imac-unknown-none-elf",
  86     "s390x-unknown-linux-gnu",
  87     "sparc64-unknown-linux-gnu",
  88     "sparcv9-sun-solaris",
  89     "thumbv6m-none-eabi",
  90     "thumbv7em-none-eabi",
  91     "thumbv7em-none-eabihf",
  92     "thumbv7m-none-eabi",
  93     "wasm32-unknown-emscripten",
  94     "wasm32-unknown-unknown",
  95     "x86_64-apple-darwin",
  96     "x86_64-apple-ios",
  97     "x86_64-fuchsia",
  98     "x86_64-linux-android",
  99     "x86_64-pc-windows-gnu",
 100     "x86_64-pc-windows-msvc",
 101     "x86_64-rumprun-netbsd",
 102     "x86_64-sun-solaris",
 103     "x86_64-unknown-cloudabi",
 104     "x86_64-unknown-freebsd",
 105     "x86_64-unknown-linux-gnu",
 106     "x86_64-unknown-linux-gnux32",
 107     "x86_64-unknown-linux-musl",
 108     "x86_64-unknown-netbsd",
 109     "x86_64-unknown-redox",
 110 ];
 111
 112 static DOCS_TARGETS: &'static [&'static str] = &[
 113     "i686-apple-darwin",
 114     "i686-pc-windows-gnu",
 115     "i686-pc-windows-msvc",
 116     "i686-unknown-linux-gnu",
 117     "x86_64-apple-darwin",
 118     "x86_64-pc-windows-gnu",
 119     "x86_64-pc-windows-msvc",
 120     "x86_64-unknown-linux-gnu",
 121 ];
 122
 123 static MINGW: &'static [&'static str] = &[
 124     "i686-pc-windows-gnu",
 125     "x86_64-pc-windows-gnu",
 126 ];
 127
 128 #[derive(Serialize)]
 129 #[serde(rename_all = "kebab-case")]
 130 struct Manifest {
 131     manifest_version: String,
 132     date: String,
 133     pkg: BTreeMap<String, Package>,
 134     renames: BTreeMap<String, Rename>
 135 }
 136
 137 #[derive(Serialize)]
 138 struct Package {
 139     version: String,
 140     git_commit_hash: Option<String>,
 141     target: BTreeMap<String, Target>,
 142 }
 143
 144 #[derive(Serialize)]
 145 struct Rename {
 146     to: String,
 147 }
 148
 149 #[derive(Serialize)]
 150 struct Target {
 151     available: bool,
 152     url: Option<String>,
 153     hash: Option<String>,
 154     xz_url: Option<String>,
 155     xz_hash: Option<String>,
 156     components: Option<Vec<Component>>,
 157     extensions: Option<Vec<Component>>,
 158 }
 159
 160 impl Target {
 161     fn unavailable() -> Target {
 162         Target {
 163             available: false,
 164             url: None,
 165             hash: None,
 166             xz_url: None,
 167             xz_hash: None,
 168             components: None,
 169             extensions: None,
 170         }
 171     }
 172 }
 173
 174 #[derive(Serialize)]
 175 struct Component {
 176     pkg: String,
 177     target: String,
 178 }
 179
 180 macro_rules! t {
 181     ($e:expr) => (match $e {
 182         Ok(e) => e,
 183         Err(e) => panic!("{} failed with {}", stringify!($e), e),
 184     })
 185 }
 186
 187 struct Builder {
 188     rust_release: String,
 189     cargo_release: String,
 190     rls_release: String,
 191     clippy_release: String,
 192     rustfmt_release: String,
 193     llvm_tools_release: String,
 194     lldb_release: String,
 195
 196     input: PathBuf,
 197     output: PathBuf,
 198     gpg_passphrase: String,
 199     digests: BTreeMap<String, String>,
 200     s3_address: String,
 201     date: String,
 202
 203     rust_version: Option<String>,
 204     cargo_version: Option<String>,
 205     rls_version: Option<String>,
 206     clippy_version: Option<String>,
 207     rustfmt_version: Option<String>,
 208     llvm_tools_version: Option<String>,
 209     lldb_version: Option<String>,
 210
 211     rust_git_commit_hash: Option<String>,
 212     cargo_git_commit_hash: Option<String>,
 213     rls_git_commit_hash: Option<String>,
 214     clippy_git_commit_hash: Option<String>,
 215     rustfmt_git_commit_hash: Option<String>,
 216     llvm_tools_git_commit_hash: Option<String>,
 217     lldb_git_commit_hash: Option<String>,
 218
 219     should_sign: bool,
 220 }
 221
 222 fn main() {
 223     // Avoid signing packages while manually testing
 224     // Do NOT set this envvar in CI
 225     let should_sign = env::var("BUILD_MANIFEST_DISABLE_SIGNING").is_err();
 226
 227     // Safety check to ensure signing is always enabled on CI
 228     // The CI environment variable is set by both Travis and AppVeyor
 229     if !should_sign && env::var("CI").is_ok() {
 230         println!("The 'BUILD_MANIFEST_DISABLE_SIGNING' env var can't be enabled on CI.");
 231         println!("If you're not running this on CI, unset the 'CI' env var.");
 232         panic!();
 233     }
 234
 235     let mut args = env::args().skip(1);
 236     let input = PathBuf::from(args.next().unwrap());
 237     let output = PathBuf::from(args.next().unwrap());
 238     let date = args.next().unwrap();
 239     let rust_release = args.next().unwrap();
 240     let cargo_release = args.next().unwrap();
 241     let rls_release = args.next().unwrap();
 242     let clippy_release = args.next().unwrap();
 243     let rustfmt_release = args.next().unwrap();
 244     let llvm_tools_release = args.next().unwrap();
 245     let lldb_release = args.next().unwrap();
 246     let s3_address = args.next().unwrap();
 247
 248     // Do not ask for a passphrase while manually testing
 249     let mut passphrase = String::new();
 250     if should_sign {
 251         t!(io::stdin().read_to_string(&mut passphrase));
 252     }
 253
 254     Builder {
 255         rust_release,
 256         cargo_release,
 257         rls_release,
 258         clippy_release,
 259         rustfmt_release,
 260         llvm_tools_release,
 261         lldb_release,
 262
 263         input,
 264         output,
 265         gpg_passphrase: passphrase,
 266         digests: BTreeMap::new(),
 267         s3_address,
 268         date,
 269
 270         rust_version: None,
 271         cargo_version: None,
 272         rls_version: None,
 273         clippy_version: None,
 274         rustfmt_version: None,
 275         llvm_tools_version: None,
 276         lldb_version: None,
 277
 278         rust_git_commit_hash: None,
 279         cargo_git_commit_hash: None,
 280         rls_git_commit_hash: None,
 281         clippy_git_commit_hash: None,
 282         rustfmt_git_commit_hash: None,
 283         llvm_tools_git_commit_hash: None,
 284         lldb_git_commit_hash: None,
 285
 286         should_sign,
 287     }.build();
 288 }
 289
 290 impl Builder {
 291     fn build(&mut self) {
 292         self.rust_version = self.version("rust", "x86_64-unknown-linux-gnu");
 293         self.cargo_version = self.version("cargo", "x86_64-unknown-linux-gnu");
 294         self.rls_version = self.version("rls", "x86_64-unknown-linux-gnu");
 295         self.clippy_version = self.version("clippy", "x86_64-unknown-linux-gnu");
 296         self.rustfmt_version = self.version("rustfmt", "x86_64-unknown-linux-gnu");
 297         self.llvm_tools_version = self.version("llvm-tools", "x86_64-unknown-linux-gnu");
 298         // lldb is only built for macOS.
 299         self.lldb_version = self.version("lldb", "x86_64-apple-darwin");
 300
 301         self.rust_git_commit_hash = self.git_commit_hash("rust", "x86_64-unknown-linux-gnu");
 302         self.cargo_git_commit_hash = self.git_commit_hash("cargo", "x86_64-unknown-linux-gnu");
 303         self.rls_git_commit_hash = self.git_commit_hash("rls", "x86_64-unknown-linux-gnu");
 304         self.clippy_git_commit_hash = self.git_commit_hash("clippy", "x86_64-unknown-linux-gnu");
 305         self.rustfmt_git_commit_hash = self.git_commit_hash("rustfmt", "x86_64-unknown-linux-gnu");
 306         self.llvm_tools_git_commit_hash = self.git_commit_hash("llvm-tools",
 307                                                                "x86_64-unknown-linux-gnu");
 308         self.lldb_git_commit_hash = self.git_commit_hash("lldb", "x86_64-unknown-linux-gnu");
 309
 310         self.digest_and_sign();
 311         let manifest = self.build_manifest();
 312         self.write_channel_files(&self.rust_release, &manifest);
 313
 314         if self.rust_release != "beta" && self.rust_release != "nightly" {
 315             self.write_channel_files("stable", &manifest);
 316         }
 317     }
 318
 319     fn digest_and_sign(&mut self) {
 320         for file in t!(self.input.read_dir()).map(|e| t!(e).path()) {
 321             let filename = file.file_name().unwrap().to_str().unwrap();
 322             let digest = self.hash(&file);
 323             self.sign(&file);
 324             assert!(self.digests.insert(filename.to_string(), digest).is_none());
 325         }
 326     }
 327
 328     fn build_manifest(&mut self) -> Manifest {
 329         let mut manifest = Manifest {
 330             manifest_version: "2".to_string(),
 331             date: self.date.to_string(),
 332             pkg: BTreeMap::new(),
 333             renames: BTreeMap::new(),
 334         };
 335
 336         self.package("rustc", &mut manifest.pkg, HOSTS);
 337         self.package("cargo", &mut manifest.pkg, HOSTS);
 338         self.package("rust-mingw", &mut manifest.pkg, MINGW);
 339         self.package("rust-std", &mut manifest.pkg, TARGETS);
 340         self.package("rust-docs", &mut manifest.pkg, DOCS_TARGETS);
 341         self.package("rust-src", &mut manifest.pkg, &["*"]);
 342         self.package("rls-preview", &mut manifest.pkg, HOSTS);
 343         self.package("clippy-preview", &mut manifest.pkg, HOSTS);
 344         self.package("rustfmt-preview", &mut manifest.pkg, HOSTS);
 345         self.package("rust-analysis", &mut manifest.pkg, TARGETS);
 346         self.package("llvm-tools-preview", &mut manifest.pkg, TARGETS);
 347         self.package("lldb-preview", &mut manifest.pkg, TARGETS);
 348
 349         manifest.renames.insert("rls".to_owned(), Rename { to: "rls-preview".to_owned() });
 350         manifest.renames.insert("rustfmt".to_owned(), Rename { to: "rustfmt-preview".to_owned() });
 351         manifest.renames.insert("clippy".to_owned(), Rename { to: "clippy-preview".to_owned() });
 352
 353         let mut pkg = Package {
 354             version: self.cached_version("rust")
 355                          .as_ref()
 356                          .expect("Couldn't find Rust version")
 357                          .clone(),
 358             git_commit_hash: self.cached_git_commit_hash("rust").clone(),
 359             target: BTreeMap::new(),
 360         };
 361         for host in HOSTS {
 362             let filename = self.filename("rust", host);
 363             let digest = match self.digests.remove(&filename) {
 364                 Some(digest) => digest,
 365                 None => {
 366                     pkg.target.insert(host.to_string(), Target::unavailable());
 367                     continue
 368                 }
 369             };
 370             let xz_filename = filename.replace(".tar.gz", ".tar.xz");
 371             let xz_digest = self.digests.remove(&xz_filename);
 372             let mut components = Vec::new();
 373             let mut extensions = Vec::new();
 374
 375             // rustc/rust-std/cargo/docs are all required, and so is rust-mingw
 376             // if it's available for the target.
 377             components.extend(vec![
 378                 Component { pkg: "rustc".to_string(), target: host.to_string() },
 379                 Component { pkg: "rust-std".to_string(), target: host.to_string() },
 380                 Component { pkg: "cargo".to_string(), target: host.to_string() },
 381                 Component { pkg: "rust-docs".to_string(), target: host.to_string() },
 382             ]);
 383             if host.contains("pc-windows-gnu") {
 384                 components.push(Component {
 385                     pkg: "rust-mingw".to_string(),
 386                     target: host.to_string(),
 387                 });
 388             }
 389
 390             // Tools are always present in the manifest, but might be marked as unavailable if they
 391             // weren't built
 392             extensions.extend(vec![
 393                 Component { pkg: "clippy-preview".to_string(), target: host.to_string() },
 394                 Component { pkg: "rls-preview".to_string(), target: host.to_string() },
 395                 Component { pkg: "rustfmt-preview".to_string(), target: host.to_string() },
 396                 Component { pkg: "llvm-tools-preview".to_string(), target: host.to_string() },
 397                 Component { pkg: "lldb-preview".to_string(), target: host.to_string() },
 398                 Component { pkg: "rust-analysis".to_string(), target: host.to_string() },
 399             ]);
 400
 401             for target in TARGETS {
 402                 if target != host {
 403                     extensions.push(Component {
 404                         pkg: "rust-std".to_string(),
 405                         target: target.to_string(),
 406                     });
 407                 }
 408             }
 409             extensions.push(Component {
 410                 pkg: "rust-src".to_string(),
 411                 target: "*".to_string(),
 412             });
 413
 414             // If the components/extensions don't actually exist for this
 415             // particular host/target combination then nix it entirely from our
 416             // lists.
 417             {
 418                 let has_component = |c: &Component| {
 419                     if c.target == "*" {
 420                         return true
 421                     }
 422                     let pkg = match manifest.pkg.get(&c.pkg) {
 423                         Some(p) => p,
 424                         None => return false,
 425                     };
 426                     pkg.target.get(&c.target).is_some()
 427                 };
 428                 extensions.retain(&has_component);
 429                 components.retain(&has_component);
 430             }
 431
 432             pkg.target.insert(host.to_string(), Target {
 433                 available: true,
 434                 url: Some(self.url(&filename)),
 435                 hash: Some(digest),
 436                 xz_url: xz_digest.as_ref().map(|_| self.url(&xz_filename)),
 437                 xz_hash: xz_digest,
 438                 components: Some(components),
 439                 extensions: Some(extensions),
 440             });
 441         }
 442         manifest.pkg.insert("rust".to_string(), pkg);
 443
 444         return manifest;
 445     }
 446
 447     fn package(&mut self,
 448                pkgname: &str,
 449                dst: &mut BTreeMap<String, Package>,
 450                targets: &[&str]) {
 451         let (version, is_present) = match *self.cached_version(pkgname) {
 452             Some(ref version) => (version.clone(), true),
 453             None => (String::new(), false),
 454         };
 455
 456         let targets = targets.iter().map(|name| {
 457             if is_present {
 458                 let filename = self.filename(pkgname, name);
 459                 let digest = match self.digests.remove(&filename) {
 460                     Some(digest) => digest,
 461                     None => return (name.to_string(), Target::unavailable()),
 462                 };
 463                 let xz_filename = filename.replace(".tar.gz", ".tar.xz");
 464                 let xz_digest = self.digests.remove(&xz_filename);
 465
 466                 (name.to_string(), Target {
 467                     available: true,
 468                     url: Some(self.url(&filename)),
 469                     hash: Some(digest),
 470                     xz_url: xz_digest.as_ref().map(|_| self.url(&xz_filename)),
 471                     xz_hash: xz_digest,
 472                     components: None,
 473                     extensions: None,
 474                 })
 475             } else {
 476                 // If the component is not present for this build add it anyway but mark it as
 477                 // unavailable -- this way rustup won't allow upgrades without --force
 478                 (name.to_string(), Target {
 479                     available: false,
 480                     url: None,
 481                     hash: None,
 482                     xz_url: None,
 483                     xz_hash: None,
 484                     components: None,
 485                     extensions: None,
 486                 })
 487             }
 488         }).collect();
 489
 490         dst.insert(pkgname.to_string(), Package {
 491             version,
 492             git_commit_hash: self.cached_git_commit_hash(pkgname).clone(),
 493             target: targets,
 494         });
 495     }
 496
 497     fn url(&self, filename: &str) -> String {
 498         format!("{}/{}/{}",
 499                 self.s3_address,
 500                 self.date,
 501                 filename)
 502     }
 503
 504     fn filename(&self, component: &str, target: &str) -> String {
 505         if component == "rust-src" {
 506             format!("rust-src-{}.tar.gz", self.rust_release)
 507         } else if component == "cargo" {
 508             format!("cargo-{}-{}.tar.gz", self.cargo_release, target)
 509         } else if component == "rls" || component == "rls-preview" {
 510             format!("rls-{}-{}.tar.gz", self.rls_release, target)
 511         } else if component == "clippy" || component == "clippy-preview" {
 512             format!("clippy-{}-{}.tar.gz", self.clippy_release, target)
 513         } else if component == "rustfmt" || component == "rustfmt-preview" {
 514             format!("rustfmt-{}-{}.tar.gz", self.rustfmt_release, target)
 515         } else if component == "llvm-tools" || component == "llvm-tools-preview" {
 516             format!("llvm-tools-{}-{}.tar.gz", self.llvm_tools_release, target)
 517         } else if component == "lldb" || component == "lldb-preview" {
 518             format!("lldb-{}-{}.tar.gz", self.lldb_release, target)
 519         } else {
 520             format!("{}-{}-{}.tar.gz", component, self.rust_release, target)
 521         }
 522     }
 523
 524     fn cached_version(&self, component: &str) -> &Option<String> {
 525         if component == "cargo" {
 526             &self.cargo_version
 527         } else if component == "rls" || component == "rls-preview" {
 528             &self.rls_version
 529         } else if component == "clippy" || component == "clippy-preview" {
 530             &self.clippy_version
 531         } else if component == "rustfmt" || component == "rustfmt-preview" {
 532             &self.rustfmt_version
 533         } else if component == "llvm-tools" || component == "llvm-tools-preview" {
 534             &self.llvm_tools_version
 535         } else if component == "lldb" || component == "lldb-preview" {
 536             &self.lldb_version
 537         } else {
 538             &self.rust_version
 539         }
 540     }
 541
 542     fn cached_git_commit_hash(&self, component: &str) -> &Option<String> {
 543         if component == "cargo" {
 544             &self.cargo_git_commit_hash
 545         } else if component == "rls" || component == "rls-preview" {
 546             &self.rls_git_commit_hash
 547         } else if component == "clippy" || component == "clippy-preview" {
 548             &self.clippy_git_commit_hash
 549         } else if component == "rustfmt" || component == "rustfmt-preview" {
 550             &self.rustfmt_git_commit_hash
 551         } else if component == "llvm-tools" || component == "llvm-tools-preview" {
 552             &self.llvm_tools_git_commit_hash
 553         } else if component == "lldb" || component == "lldb-preview" {
 554             &self.lldb_git_commit_hash
 555         } else {
 556             &self.rust_git_commit_hash
 557         }
 558     }
 559
 560     fn version(&self, component: &str, target: &str) -> Option<String> {
 561         let mut cmd = Command::new("tar");
 562         let filename = self.filename(component, target);
 563         cmd.arg("xf")
 564            .arg(self.input.join(&filename))
 565            .arg(format!("{}/version", filename.replace(".tar.gz", "")))
 566            .arg("-O");
 567         let output = t!(cmd.output());
 568         if output.status.success() {
 569             Some(String::from_utf8_lossy(&output.stdout).trim().to_string())
 570         } else {
 571             // Perhaps we didn't build this package.
 572             None
 573         }
 574     }
 575
 576     fn git_commit_hash(&self, component: &str, target: &str) -> Option<String> {
 577         let mut cmd = Command::new("tar");
 578         let filename = self.filename(component, target);
 579         cmd.arg("xf")
 580            .arg(self.input.join(&filename))
 581            .arg(format!("{}/git-commit-hash", filename.replace(".tar.gz", "")))
 582            .arg("-O");
 583         let output = t!(cmd.output());
 584         if output.status.success() {
 585             Some(String::from_utf8_lossy(&output.stdout).trim().to_string())
 586         } else {
 587             None
 588         }
 589     }
 590
 591     fn hash(&self, path: &Path) -> String {
 592         let sha = t!(Command::new("shasum")
 593                         .arg("-a").arg("256")
 594                         .arg(path.file_name().unwrap())
 595                         .current_dir(path.parent().unwrap())
 596                         .output());
 597         assert!(sha.status.success());
 598
 599         let filename = path.file_name().unwrap().to_str().unwrap();
 600         let sha256 = self.output.join(format!("{}.sha256", filename));
 601         t!(fs::write(&sha256, &sha.stdout));
 602
 603         let stdout = String::from_utf8_lossy(&sha.stdout);
 604         stdout.split_whitespace().next().unwrap().to_string()
 605     }
 606
 607     fn sign(&self, path: &Path) {
 608         if !self.should_sign {
 609             return;
 610         }
 611
 612         let filename = path.file_name().unwrap().to_str().unwrap();
 613         let asc = self.output.join(format!("{}.asc", filename));
 614         println!("signing: {:?}", path);
 615         let mut cmd = Command::new("gpg");
 616         cmd.arg("--pinentry-mode=loopback")
 617             .arg("--no-tty")
 618             .arg("--yes")
 619             .arg("--batch")
 620             .arg("--passphrase-fd").arg("0")
 621             .arg("--personal-digest-preferences").arg("SHA512")
 622             .arg("--armor")
 623             .arg("--output").arg(&asc)
 624             .arg("--detach-sign").arg(path)
 625             .stdin(Stdio::piped());
 626         let mut child = t!(cmd.spawn());
 627         t!(child.stdin.take().unwrap().write_all(self.gpg_passphrase.as_bytes()));
 628         assert!(t!(child.wait()).success());
 629     }
 630
 631     fn write_channel_files(&self, channel_name: &str, manifest: &Manifest) {
 632         self.write(&toml::to_string(&manifest).unwrap(), channel_name, ".toml");
 633         self.write(&manifest.date, channel_name, "-date.txt");
 634         self.write(manifest.pkg["rust"].git_commit_hash.as_ref().unwrap(),
 635                    channel_name, "-git-commit-hash.txt");
 636     }
 637
 638     fn write(&self, contents: &str, channel_name: &str, suffix: &str) {
 639         let dst = self.output.join(format!("channel-rust-{}{}", channel_name, suffix));
 640         t!(fs::write(&dst, contents));
 641         self.hash(&dst);
 642         self.sign(&dst);
 643     }
 644 }