rust2rpm: fix crash in sorting of binary targets

The "sort" Jinja2 filter doesn't work because the bins are objects,
not strings. This commit changes the sorting to happen correctly,
before binary targets are passed to the template for rendering.

rust2rpm/generator.py

@@ -1,3 +1,4 @@
+import operator
 import time
 
 import jinja2
@@ -52,6 +53,9 @@ def spec_file_render(
     is_bin = len(bins) > 0
     is_lib = len(libs) > 0
 
+    # sort binaries by name for consistent ordering
+    bins.sort(key=operator.attrgetter("name"))
+
     kwargs = {
         "generator_version": __version__,
         "target": args.target,

rust2rpm/templates/main.spec

@@ -124,7 +124,7 @@ Requires:       {{ req }}
   {% for file in doc_files %}
 %doc {{ file }}
   {% endfor %}
-  {% for bin in bins | sort %}
+  {% for bin in bins %}
 %{_bindir}/{{ bin.name }}
   {% endfor %}
   {% if not only_main %}