diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..895c4ce
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/procfs-0.12.0.crate
diff --git a/rust-procfs0.12.spec b/rust-procfs0.12.spec
new file mode 100644
index 0000000..bebbd39
--- /dev/null
+++ b/rust-procfs0.12.spec
@@ -0,0 +1,108 @@
+# Generated by rust2rpm 23
+# * missing dev-dependency: procinfo (depends on outdated nom 2)
+%bcond_with check
+%global debug_package %{nil}
+
+%global crate procfs
+
+Name:           rust-procfs0.12
+Version:        0.12.0
+Release:        %autorelease
+Summary:        Interface to the linux procfs pseudo-filesystem
+
+License:        MIT OR Apache-2.0
+URL:            https://crates.io/crates/procfs
+Source:         %{crates_source}
+
+BuildRequires:  rust-packaging >= 21
+
+%global _description %{expand:
+Interface to the linux procfs pseudo-filesystem.}
+
+%description %{_description}
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/COPYRIGHT.txt
+%license %{crate_instdir}/LICENSE-APACHE
+%license %{crate_instdir}/LICENSE-MIT
+%doc %{crate_instdir}/README.md
+%doc %{crate_instdir}/support.md
+%{crate_instdir}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+backtrace-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+backtrace-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "backtrace" feature of the "%{crate}" crate.
+
+%files       -n %{name}+backtrace-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+chrono-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+chrono-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "chrono" feature of the "%{crate}" crate.
+
+%files       -n %{name}+chrono-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+flate2-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+flate2-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "flate2" feature of the "%{crate}" crate.
+
+%files       -n %{name}+flate2-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%prep
+%autosetup -n %{crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%generate_buildrequires
+%cargo_generate_buildrequires
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+%autochangelog
diff --git a/sources b/sources
new file mode 100644
index 0000000..2da3a28
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (procfs-0.12.0.crate) = 48bdd24c0514dd9a4a16be492085d9b6be41b81333b5dfc99cf0f04e337a532dee5d50b4317ae450f396924364f00b01fcd3b63e655ad50e53eb222f29a90499