diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c8c1ce6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/results_*/
+/*.src.rpm
+
+/mockall_derive-0.10.2.crate
diff --git a/.rust2rpm.conf b/.rust2rpm.conf
new file mode 100644
index 0000000..d008cc4
--- /dev/null
+++ b/.rust2rpm.conf
@@ -0,0 +1,3 @@
+[DEFAULT]
+unwanted-features =
+  nightly_derive
diff --git a/README.md b/README.md
deleted file mode 100644
index e984cc9..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-mockall_derive
-
-The rust-mockall_derive package
diff --git a/mockall_derive-fix-metadata.diff b/mockall_derive-fix-metadata.diff
new file mode 100644
index 0000000..b272440
--- /dev/null
+++ b/mockall_derive-fix-metadata.diff
@@ -0,0 +1,11 @@
+--- mockall_derive-0.10.2/Cargo.toml	1970-01-01T00:00:01+00:00
++++ mockall_derive-0.10.2/Cargo.toml	2021-08-27T14:35:02.297664+00:00
+@@ -40,7 +40,7 @@
+ version = "1.0.15"
+ features = ["extra-traits", "full"]
+ [dev-dependencies.pretty_assertions]
+-version = "0.5"
++version = "0.7"
+ 
+ [features]
+ nightly_derive = ["proc-macro2/nightly"]
diff --git a/rust-mockall_derive.spec b/rust-mockall_derive.spec
new file mode 100644
index 0000000..daa1aa7
--- /dev/null
+++ b/rust-mockall_derive.spec
@@ -0,0 +1,77 @@
+# Generated by rust2rpm 18
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate mockall_derive
+
+Name:           rust-%{crate}
+Version:        0.10.2
+Release:        %autorelease
+Summary:        Procedural macros for Mockall
+
+# Upstream license specification: MIT/Apache-2.0
+License:        MIT or ASL 2.0
+URL:            https://crates.io/crates/mockall_derive
+Source:         %{crates_source}
+# Initial patched metadata
+# * bump pretty_assertions from 0.5 to 0.7
+Patch0:         mockall_derive-fix-metadata.diff
+
+ExclusiveArch:  %{rust_arches}
+%if %{__cargo_skip_build}
+BuildArch:      noarch
+%endif
+
+BuildRequires:  rust-packaging
+
+%global _description %{expand:
+Procedural macros for Mockall.}
+
+%description %{_description}
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages
+which use "%{crate}" crate.
+
+%files          devel
+%license LICENSE-MIT LICENSE-APACHE
+%doc README.md
+%{cargo_registry}/%{crate}-%{version_no_tilde}/
+
+%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 "default" feature of "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/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..3797396
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (mockall_derive-0.10.2.crate) = 01f9462935afd961c830b8a44d016d9461f3aa77534d7cad29723445b4b257ee19894006865bc38d63976b522502cc19ab8b78422e2f72b53542e79e66f88c5e