diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0318d46
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/const_format_proc_macros-0.2.22.crate
diff --git a/rust-const_format_proc_macros.spec b/rust-const_format_proc_macros.spec
new file mode 100644
index 0000000..f796b9f
--- /dev/null
+++ b/rust-const_format_proc_macros.spec
@@ -0,0 +1,118 @@
+# Generated by rust2rpm 21
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate const_format_proc_macros
+
+Name:           rust-%{crate}
+Version:        0.2.22
+Release:        %autorelease
+Summary:        Implementation detail of the `const_format` crate
+
+# Upstream license specification: Zlib
+License:        zlib
+URL:            https://crates.io/crates/const_format_proc_macros
+Source:         %{crates_source}
+
+ExclusiveArch:  %{rust_arches}
+
+BuildRequires:  rust-packaging >= 21
+
+%global _description %{expand:
+Implementation detail of the `const_format` crate.}
+
+%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-ZLIB.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}+all-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+all-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "all" feature of the "%{crate}" crate.
+
+%files       -n %{name}+all-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+debug-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+debug-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "debug" feature of the "%{crate}" crate.
+
+%files       -n %{name}+debug-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+derive-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+derive-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "derive" feature of the "%{crate}" crate.
+
+%files       -n %{name}+derive-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+syn-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+syn-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "syn" feature of the "%{crate}" crate.
+
+%files       -n %{name}+syn-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..f30b892
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (const_format_proc_macros-0.2.22.crate) = a0382a50502cff46c966fca1518ae1102cc749a9fff142a7fc29c3f3dce4b947ef05576e27248ed682aa9db2e1c0af149f41981d02d8415b63734a0ceccb68f4