rust-packaging/0019-Do-not-pull-optional-dependencies.patch

From ccc7ed42c168675efc4b9719dad12800b92450d5 Mon Sep 17 00:00:00 2001
From: Igor Gnatenko <ignatenkobrain@fedoraproject.org>
Date: Sat, 9 Mar 2019 22:04:49 +0100
Subject: [PATCH 19/19] Do not pull optional dependencies

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>
---
 data/macros.cargo            | 13 +++++++++++--
 rust2rpm/templates/main.spec |  5 -----
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/data/macros.cargo b/data/macros.cargo
index 96dc354..4e8f0c9 100644
--- a/data/macros.cargo
+++ b/data/macros.cargo
@@ -2,8 +2,10 @@
 #   https://github.com/rust-lang/cargo/issues/6397
 # But we can set CARGO_HOME locally, which is a good idea anyway to make sure
 # it never writes to ~/.cargo during rpmbuild.
-%__cargo %{_bindir}/env CARGO_HOME=.cargo %{_bindir}/cargo
-%__cargo_common_opts %{?_smp_mflags}
+# We also need RUSTC_BOOTSTRAP since we use -Z avoid-dev-deps
+# until it gets stabilized: https://github.com/rust-lang/cargo/issues/5133
+%__cargo %{_bindir}/env CARGO_HOME=.cargo RUSTC_BOOTSTRAP=1 %{_bindir}/cargo
+%__cargo_common_opts %{?_smp_mflags} -Z avoid-dev-deps
 %__cargo_inspector %{_bindir}/cargo-inspector
 
 %cargo_registry %{_datadir}/cargo/registry
@@ -74,10 +76,17 @@ if %__cargo_is_lib; then                                            \
   CRATE_VERSION=$(%__cargo_inspector --version Cargo.toml)          \
   REG_DIR=%{buildroot}%{cargo_registry}/$CRATE_NAME-$CRATE_VERSION  \
   %{__mkdir} -p $REG_DIR                                            \
+# Drop all dependency/features information                          \
+# so that cargo doesn't fail resolving dependencies:                \
+# https://github.com/rust-lang/cargo/pull/6729                      \
+  %{__awk} -i inplace -v INPLACE_SUFFIX=.deps '/^\\\[((dev-)?dependencies|features)/{f=1;next} /^\\\[/{f=0}; !f' Cargo.toml \
   %{__cargo} package -l | xargs -d '\\\n' %{__cp} --parents -a -t $REG_DIR \
 %if ! %{with check}                                                 \
   %{__cp} -a Cargo.toml.orig $REG_DIR/Cargo.toml                    \
+%else                                                               \
+  %{__cp} -a Cargo.toml.deps $REG_DIR/Cargo.toml                    \
 %endif                                                              \
+  %{__rm} $REG_DIR/Cargo.toml.{orig,deps}                           \
   echo '{"files":{},"package":""}' > $REG_DIR/.cargo-checksum.json  \
 fi \
 if %__cargo_is_bin; then                                            \
diff --git a/rust2rpm/templates/main.spec b/rust2rpm/templates/main.spec
index 1ebef7b..f0c5445 100644
--- a/rust2rpm/templates/main.spec
+++ b/rust2rpm/templates/main.spec
@@ -44,12 +44,7 @@ Patch0:         {{ patch_file }}
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
-{# We will put all non-optional and optional dependencies until
-   https://github.com/rust-lang/cargo/issues/5133
-   is solved
 {% set buildrequires = normalize_deps(md.requires("default", resolve=True))|sort %}
-#}
-{% set buildrequires = normalize_deps(md.all_dependencies)|sort %}
 {% for req in buildrequires %}
 BuildRequires:  {{ req }}
 {% endfor %}
-- 
2.21.0