Auto merge of #68708 - Mark-Simulacrum:stage0-step, r=pietroalbini

Step stage0 to bootstrap from 1.42

This also includes a commit which fixes the rustfmt downloading logic to redownload when the rustfmt channel changes, and bumps rustfmt to a more recent version.

3 files changed, 6 insertions, 6 deletions

diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py
index 6737086f6e5..1935759a562 100644
--- a/src/bootstrap/bootstrap.py
+++ b/src/bootstrap/bootstrap.py
@@ -397,7 +397,7 @@ class RustBuild(object):
 
         if self.rustfmt() and self.rustfmt().startswith(self.bin_root()) and (
             not os.path.exists(self.rustfmt())
-            or self.program_out_of_date(self.rustfmt_stamp())
+            or self.program_out_of_date(self.rustfmt_stamp(), self.rustfmt_channel)
         ):
             if rustfmt_channel:
                 tarball_suffix = '.tar.xz' if support_xz() else '.tar.gz'
@@ -407,7 +407,7 @@ class RustBuild(object):
                 self.fix_executable("{}/bin/rustfmt".format(self.bin_root()))
                 self.fix_executable("{}/bin/cargo-fmt".format(self.bin_root()))
                 with output(self.rustfmt_stamp()) as rustfmt_stamp:
-                    rustfmt_stamp.write(self.date)
+                    rustfmt_stamp.write(self.date + self.rustfmt_channel)
 
     def _download_stage0_helper(self, filename, pattern, tarball_suffix, date=None):
         if date is None:
@@ -521,12 +521,12 @@ class RustBuild(object):
         """
         return os.path.join(self.bin_root(), '.rustfmt-stamp')
 
-    def program_out_of_date(self, stamp_path):
+    def program_out_of_date(self, stamp_path, extra=""):
         """Check if the given program stamp is out of date"""
         if not os.path.exists(stamp_path) or self.clean:
             return True
         with open(stamp_path, 'r') as stamp:
-            return self.date != stamp.read()
+            return (self.date + extra) != stamp.read()
 
     def bin_root(self):
         """Return the binary root directory
diff --git a/src/bootstrap/channel.rs b/src/bootstrap/channel.rs
index 38810237ef9..504cba45570 100644
--- a/src/bootstrap/channel.rs
+++ b/src/bootstrap/channel.rs
@@ -13,7 +13,7 @@ use build_helper::output;
 use crate::Build;
 
 // The version number
-pub const CFG_RELEASE_NUM: &str = "1.42.0";
+pub const CFG_RELEASE_NUM: &str = "1.43.0";
 
 pub struct GitInfo {
     inner: Option<Info>,
diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index 1fee3fd9ac1..637323331f5 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -1026,7 +1026,7 @@ impl Build {
     }
 
     fn llvm_link_tools_dynamically(&self, target: Interned<String>) -> bool {
-        (target.contains("linux-gnu") || target.contains("apple-darwin"))
+        target.contains("linux-gnu") || target.contains("apple-darwin")
     }
 
     /// Returns the `version` string associated with this compiler for Rust