dev-lang/rust: sync changes to 1.48

Package-Manager: Portage-3.0.10, Repoman-3.0.2
Signed-off-by: Georgy Yakovlev <[email protected]>

dev-lang/rust/rust-1.48.0.ebuild

@@ -58,7 +58,19 @@ LLVM_DEPEND="
 "
 LLVM_MAX_SLOT=11
 
-BOOTSTRAP_DEPEND="|| ( >=dev-lang/rust-1.$(($(ver_cut 2) - 1)) >=dev-lang/rust-bin-1.$(($(ver_cut 2) - 1)) )"
+# to bootstrap we need at least exactly previos version, or same.
+# most of the time previous versions fail to bootstrap with newer
+# for example 1.47.x, requires at least 1.46.x, 1.47.x is ok,
+# but it fails to bootstrap with 1.48.x
+# https://github.com/rust-lang/rust/blob/${PV}/src/stage0.txt
+BOOTSTRAP_DEPEND="||
+ (
+ =dev-lang/rust-$(ver_cut 1).$(($(ver_cut 2) - 1))*
+ =dev-lang/rust-bin-$(ver_cut 1).$(($(ver_cut 2) - 1))*
+ =dev-lang/rust-$(ver_cut 1).$(ver_cut 2)*
+ =dev-lang/rust-bin-$(ver_cut 1).$(ver_cut 2)*
+ )
+"
 
 BDEPEND="${PYTHON_DEPS}
  app-eselect/eselect-rust
@@ -74,7 +86,7 @@ BDEPEND="${PYTHON_DEPS}
 "
 
 DEPEND="
- >=dev-libs/libgit2-1.1.0:=
+ >=app-arch/xz-utils-5.2
  net-misc/curl:=[http2,ssl]
  sys-libs/zlib:=
  !libressl? ( dev-libs/openssl:0= )
@@ -85,7 +97,7 @@ DEPEND="
  )
 "
 
-# we need to block versions older than 1.47.0 due to layout changes.
+# we need to block older versions due to layout changes.
 RDEPEND="${DEPEND}
  app-eselect/eselect-rust
  !<dev-lang/rust-1.47.0-r1
@@ -129,23 +141,28 @@ PATCHES=(
 S="${WORKDIR}/${MY_P}-src"
 
 toml_usex() {
- usex "$1" true false
+ usex "${1}" true false
 }
 
 boostrap_rust_version_check() {
  # never call from pkg_pretend. eselect-rust may be not installed yet.
  [[ ${MERGE_TYPE} == binary ]] && return
  local rustc_wanted="$(ver_cut 1).$(($(ver_cut 2) - 1))"
+ local rustc_toonew="$(ver_cut 1).$(($(ver_cut 2) + 1))"
  local rustc_version=( $(eselect --brief rust show 2>/dev/null) )
  rustc_version=${rustc_version[0]#rust-bin-}
  rustc_version=${rustc_version#rust-}
 
- [[ -z "${rustc_version}" ]] && die "Failed to determine rustc version!"
+ [[ -z "${rustc_version}" ]] && die "Failed to determine rust version, check 'eselect rust' output"
 
  if ver_test "${rustc_version}" -lt "${rustc_wanted}" ; then
  eerror "Rust >=${rustc_wanted} is required"
- eerror "please run \'eselect rust\' and set correct rust version"
- die
+ eerror "please run 'eselect rust' and set correct rust version"
+ die "selected rust version is too old"
+ elif ver_test "${rustc_version}" -ge "${rustc_toonew}" ; then
+ eerror "Rust <${rustc_toonew} is required"
+ eerror "please run 'eselect rust' and set correct rust version"
+ die "selected rust version is too new"
  else
  einfo "Using rust ${rustc_version} to build"
  fi
@@ -178,6 +195,8 @@ pkg_setup() {
  pre_build_checks
  python-any-r1_pkg_setup
 
+ export LIBGIT2_NO_PKG_CONFIG=1 #749381
+
  use system-bootstrap && boostrap_rust_version_check
 
  if use system-llvm; then