ostbuild: Minor fixes

src/ostbuild/pyostbuild/builtin_build_components.py

@@ -286,7 +286,7 @@ class OstbuildBuildComponents(builtins.Builtin):
 
         self._save_bin_snapshot(required_components, component_architectures)   
 
-        if args.compose:
+        if args.compose or args.compose_only:
             run_sync(['ostbuild', 'compose', '--prefix=' + self.prefix])
         
 builtins.register(OstbuildBuildComponents)

src/ostbuild/pyostbuild/builtin_chroot_compile_one.py

@@ -66,7 +66,7 @@ class OstbuildChrootCompileOne(builtins.Builtin):
             arch_buildroot_rev = arch_buildroot.get('ostree-revision')
         else:
             buildroots = self.snapshot['architecture-buildroots']
-            arch_rev_suffix = buildsroots['architecture']
+            arch_rev_suffix = buildroots[architecture]
             arch_buildroot_name = 'bases/' + arch_rev_suffix
 
         if arch_buildroot_rev is None: