try to automatically generate license out of metadata

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

cargodeps.py

@@ -32,6 +32,8 @@ class Dependency(object):
 class Metadata(object):
     def __init__(self):
         self.name = None
+        self.license = None
+        self.license_file = None
         self._version = None
         self._provides = []
         self._requires = []
@@ -47,6 +49,8 @@ class Metadata(object):
 
         md = metadata["packages"][0]
         self.name = md["name"]
+        self.license = md["license"]
+        self.license_file = md["license_file"]
         self._version = semver.SpecItem("={}".format(md["version"]))
 
         # Provides

rust2rpm.py

@@ -21,7 +21,7 @@ Version:        {{ md.version }}
 Release:        1%{?dist}
 Summary:        # FIXME
 
-License:        # FIXME
+License:        {{ md.license if md.license is not none else "# FIXME" }}
 URL:            https://crates.io/crates/{{ md.name }}
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
 
@@ -80,7 +80,9 @@ Conflicts:      {{ con }}
 %endif
 
 %files devel
-%license # FIXME
+{% if md.license_file is not none %}
+%license {{ md.license_file }}
+{% endif %}
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog