Vendor rust dependencies on el9

rust-afterburn.spec

@@ -8,17 +8,28 @@
 
 Name:           rust-%{crate}
 Version:        5.1.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Simple cloud provider agent
 
 # Upstream license specification: Apache-2.0
 License:        ASL 2.0
 URL:            https://crates.io/crates/afterburn
-Source:         %{crates_source}
+Source0:        %{crates_source}
+%if 0%{?rhel} && !0%{?eln}
+Source1:        https://github.com/coreos/%{crate}/releases/download/v%{version}/%{crate}-%{version}-vendor.tar.gz
+%endif
 
 ExclusiveArch:  %{rust_arches}
-
+%if 0%{?rhel} && !0%{?eln}
+BuildRequires:  rust-toolset
+BuildRequires:  openssl-devel
+# This is needed because the cc crate, which is
+# used for linking final build results of crates,
+# does not work without it.
+BuildRequires:  glibc-devel 
+%else
 BuildRequires:  rust-packaging
+%endif
 BuildRequires:  systemd
 
 %global _description %{expand:
@@ -85,24 +96,42 @@ to run in the initramfs on boot.
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
+%if 0%{?rhel} && !0%{?eln}
+tar xvf %{SOURCE1}
+mkdir -p .cargo
+cat >.cargo/config << EOF
+[source.crates-io]
+replace-with = "vendored-sources"
+
+[source.vendored-sources]
+directory = "vendor"
+EOF
+%else
+%cargo_prep
+%endif
 # afterburn-sshkeys@.service is by default enabled for the 'core' user in
 # Fedora CoreOS.
 # Based on https://github.com/coreos/afterburn/blob/master/Makefile.
 sed -e 's,@DEFAULT_INSTANCE@,core,' < \
   systemd/afterburn-sshkeys@.service.in > \
   systemd/afterburn-sshkeys@.service
-%cargo_prep
 
+%if !0%{?rhel} || 0%{?eln}
 %generate_buildrequires
 %cargo_generate_buildrequires
+%endif
 
 %build
 %cargo_build
 
 %install
+%if 0%{?rhel} && !0%{?eln}
+%make_install INSTALL="install -p -c"
+%else
 %cargo_install
 install -Dpm0644 -t %{buildroot}%{_unitdir} \
   systemd/*.service systemd/*.target
+%endif
 mkdir -p %{buildroot}%{dracutmodulesdir}
 cp -a dracut/* %{buildroot}%{dracutmodulesdir}
 
@@ -112,6 +141,9 @@ cp -a dracut/* %{buildroot}%{dracutmodulesdir}
 %endif
 
 %changelog
+* Fri Sep 24 2021 Sohan Kunkerkar <skunkerk@redhat.com> - 5.1.0-2
+- Vendor rust dependencies on el9
+
 * Tue Aug 10 2021 Sohan Kunkerkar <skunkerk@redhat.com> - 5.1.0-1
 - Update to 5.1.0