Drop time dependency from bootstrap

Cargo.lock

@@ -236,7 +236,6 @@ dependencies = [
  "pretty_assertions",
  "serde",
  "serde_json",
- "time",
  "toml",
  "winapi",
 ]

src/bootstrap/Cargo.toml

@@ -44,14 +44,22 @@ libc = "0.2"
 serde = { version = "1.0.8", features = ["derive"] }
 serde_json = "1.0.2"
 toml = "0.5"
-time = "0.1"
 ignore = "0.4.10"
 opener = "0.5"
 once_cell = "1.7.2"
 
 [target.'cfg(windows)'.dependencies.winapi]
 version = "0.3"
-features = ["fileapi", "ioapiset", "jobapi2", "handleapi", "winioctl", "psapi", "impl-default"]
+features = [
+    "fileapi",
+    "ioapiset",
+    "jobapi2",
+    "handleapi",
+    "winioctl",
+    "psapi",
+    "impl-default",
+    "timezoneapi",
+]
 
 [dev-dependencies]
 pretty_assertions = "0.6"

src/bootstrap/dist.rs

@@ -24,7 +24,6 @@ use crate::tarball::{GeneratedTarball, OverlayKind, Tarball};
 use crate::tool::{self, Tool};
 use crate::util::{exe, is_dylib, timeit};
 use crate::{Compiler, DependencyType, Mode, LLVM_TOOLS};
-use time::{self, Timespec};
 
 pub fn pkgname(builder: &Builder<'_>, component: &str) -> String {
     format!("{}-{}", component, builder.rust_package_vers())
@@ -422,33 +421,15 @@ impl Step for Rustc {
             let man_src = builder.src.join("src/doc/man");
             let man_dst = image.join("share/man/man1");
 
-            // Reproducible builds: If SOURCE_DATE_EPOCH is set, use that as the time.
-            let time = env::var("SOURCE_DATE_EPOCH")
-                .map(|timestamp| {
-                    let epoch = timestamp
-                        .parse()
-                        .map_err(|err| format!("could not parse SOURCE_DATE_EPOCH: {}", err))
-                        .unwrap();
-
-                    time::at(Timespec::new(epoch, 0))
-                })
-                .unwrap_or_else(|_| time::now());
-
-            let month_year = t!(time::strftime("%B %Y", &time));
             // don't use our `bootstrap::util::{copy, cp_r}`, because those try
             // to hardlink, and we don't want to edit the source templates
             for file_entry in builder.read_dir(&man_src) {
                 let page_src = file_entry.path();
                 let page_dst = man_dst.join(file_entry.file_name());
+                let src_text = t!(std::fs::read_to_string(&page_src));
+                let new_text = src_text.replace("<INSERT VERSION HERE>", &builder.version);
+                t!(std::fs::write(&page_dst, &new_text));
                 t!(fs::copy(&page_src, &page_dst));
-                // template in month/year and version number
-                builder.replace_in_file(
-                    &page_dst,
-                    &[
-                        ("<INSERT DATE HERE>", &month_year),
-                        ("<INSERT VERSION HERE>", &builder.version),
-                    ],
-                );
             }
 
             // Debugger scripts

src/bootstrap/lib.rs

@@ -106,8 +106,7 @@
 use std::cell::{Cell, RefCell};
 use std::collections::{HashMap, HashSet};
 use std::env;
-use std::fs::{self, File, OpenOptions};
-use std::io::{Read, Seek, SeekFrom, Write};
+use std::fs::{self, File};
 use std::path::{Path, PathBuf};
 use std::process::{self, Command};
 use std::str;
@@ -1335,23 +1334,6 @@ impl Build {
         }
     }
 
-    /// Search-and-replaces within a file. (Not maximally efficiently: allocates a
-    /// new string for each replacement.)
-    pub fn replace_in_file(&self, path: &Path, replacements: &[(&str, &str)]) {
-        if self.config.dry_run {
-            return;
-        }
-        let mut contents = String::new();
-        let mut file = t!(OpenOptions::new().read(true).write(true).open(path));
-        t!(file.read_to_string(&mut contents));
-        for &(target, replacement) in replacements {
-            contents = contents.replace(target, replacement);
-        }
-        t!(file.seek(SeekFrom::Start(0)));
-        t!(file.set_len(0));
-        t!(file.write_all(contents.as_bytes()));
-    }
-
     /// Copies the `src` directory recursively to `dst`. Both are assumed to exist
     /// when this function is called.
     pub fn cp_r(&self, src: &Path, dst: &Path) {

src/doc/man/rustc.1

@@ -1,4 +1,4 @@
-.TH RUSTC "1" "<INSERT DATE HERE>" "rustc <INSERT VERSION HERE>" "User Commands"
+.TH RUSTC "1" "April 2019" "rustc <INSERT VERSION HERE>" "User Commands"
 .SH NAME
 rustc \- The Rust compiler
 .SH SYNOPSIS

src/doc/man/rustdoc.1

@@ -1,4 +1,4 @@
-.TH RUSTDOC "1" "<INSERT DATE HERE>" "rustdoc <INSERT VERSION HERE>" "User Commands"
+.TH RUSTDOC "1" "July 2018" "rustdoc <INSERT VERSION HERE>" "User Commands"
 .SH NAME
 rustdoc \- generate documentation from Rust source code
 .SH SYNOPSIS