diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e332984
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/nix-0.23.1.crate
diff --git a/README.md b/README.md
deleted file mode 100644
index 20d6ebb..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-nix0.23
-
-The rust-nix0.23 package
diff --git a/nix-fix-metadata.diff b/nix-fix-metadata.diff
new file mode 100644
index 0000000..b4d107d
--- /dev/null
+++ b/nix-fix-metadata.diff
@@ -0,0 +1,10 @@
+--- nix-0.23.1/Cargo.toml	1970-01-01T00:00:01+00:00
++++ nix-0.23.1/Cargo.toml	2022-05-25T11:25:03.820763+00:00
+@@ -77,7 +77,3 @@
+ version = "0.5.1"
+ [target."cfg(not(target_os = \"redox\"))".dependencies.memoffset]
+ version = "0.6.3"
+-[target."cfg(target_os = \"dragonfly\")".build-dependencies.cc]
+-version = "1"
+-[target."cfg(target_os = \"freebsd\")".dev-dependencies.sysctl]
+-version = "0.1"
diff --git a/rust-nix0.23.spec b/rust-nix0.23.spec
new file mode 100644
index 0000000..0f8aa75
--- /dev/null
+++ b/rust-nix0.23.spec
@@ -0,0 +1,76 @@
+# Generated by rust2rpm 21
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate nix
+
+Name:           rust-%{crate}0.23
+Version:        0.23.1
+Release:        %autorelease
+Summary:        Rust friendly bindings to *nix APIs
+
+# Upstream license specification: MIT
+License:        MIT
+URL:            https://crates.io/crates/nix
+Source:         %{crates_source}
+# Initial patched metadata
+# * drop DragonflyBSD/FreeBSD-specific dependencies
+Patch0:         nix-fix-metadata.diff
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+
+%global _description %{expand:
+Rust friendly bindings to *nix APIs.}
+
+%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}/LICENSE
+%doc %{crate_instdir}/CHANGELOG.md
+%doc %{crate_instdir}/README.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
+
+%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
+# skip a test that is not supported in virtualized environments
+%cargo_test -- -- --skip sys::test_socket::test_af_alg_cipher
+%endif
+
+%changelog
+%autochangelog
diff --git a/sources b/sources
new file mode 100644
index 0000000..d4e664e
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (nix-0.23.1.crate) = 23431030b094ebb027200d8cdc05d0ac1730fbb86ee088795a2314f1ba19b76ed5f24373c1aba8125575bf69f8e7d4d9c08344b9cb49a4ae3d8f7987b5f4e6b6