rustup: update to 1.18.3.

srcpkgs/rustup/patches/dont-copy-rustup-bin.patch

@@ -1,14 +1,15 @@
 Upstream: No, not upstreamable like this
 Reason: We want the rustup binary in $CARGO_HOME/bin to be of the
 same version as the one we distribute in this rustup package.
---- src/rustup-cli/self_update.rs.1	2018-12-13 21:56:55.211778812 +0100
-+++ src/rustup-cli/self_update.rs	2018-12-13 21:56:42.763779768 +0100
-@@ -671,8 +671,7 @@
+--- src/cli/self_update.rs.orig	2019-05-27 16:17:21.432715136 +0200
++++ src/cli/self_update.rs	2019-05-27 16:18:56.537718683 +0200
+@@ -619,8 +619,7 @@
      if rustup_path.exists() {
-         utils::remove_file("rustup-bin", rustup_path)?;
+         utils::remove_file("rustup-bin", &rustup_path)?;
      }
--    utils::copy_file(this_exe_path, rustup_path)?;
--    utils::make_executable(rustup_path)?;
-+    utils::symlink_file(this_exe_path, rustup_path)?;
+-    utils::copy_file(&this_exe_path, &rustup_path)?;
+-    utils::make_executable(&rustup_path)?;
++    utils::symlink_file(&this_exe_path, &rustup_path)?;
      install_proxies()
  }
+ 

srcpkgs/rustup/template

@@ -1,6 +1,6 @@
 # Template file for 'rustup'
 pkgname=rustup
-version=1.17.0
+version=1.18.3
 revision=1
 wrksrc="${pkgname}.rs-${version}"
 build_style=cargo
@@ -12,7 +12,7 @@ maintainer="Daniel Lee Ramírez <dleeram@protonmail.com>"
 license="Apache-2.0, MIT"
 homepage="https://www.rustup.rs"
 distfiles="https://github.com/rust-lang-nursery/${pkgname}.rs/archive/${version}.tar.gz"
-checksum=6db73f9684b4d93de47cd511ebd56c2821c37bb41054a4a60060b496764f1f4d
+checksum=9a2ae2c85bbbfc838b25d86d049bc677532950d78765725beabb8a61df1c2710
 
 do_install() {
 	vbin target/${RUST_TARGET}/release/rustup-init