Fix typos when forwarding arguments to traverse_edges (#29261)

A few calls use `deptypes=...` instead of `deptype=...`

lib/spack/spack/concretize.py

@@ -685,7 +685,7 @@ def find_spec(spec, condition, default=None):
         visited.add(id(relative))
 
     # Then search all other relatives in the DAG *except* spec
-    for relative in spec.root.traverse(deptypes=all):
+    for relative in spec.root.traverse(deptype='all'):
         if relative is spec:
             continue
         if id(relative) in visited:

lib/spack/spack/package.py

@@ -1182,7 +1182,7 @@ def extendee_spec(self):
         name = next(iter(self.extendees))
 
         # If the extendee is in the spec's deps already, return that.
-        for dep in self.spec.traverse(deptypes=('link', 'run')):
+        for dep in self.spec.traverse(deptype=('link', 'run')):
             if name == dep.name:
                 return dep
 

lib/spack/spack/spec.py

@@ -4259,7 +4259,7 @@ def tree(self, **kwargs):
 
         out = ""
         for d, dep_spec in self.traverse_edges(
-                order='pre', cover=cover, depth=True, deptypes=deptypes):
+                order='pre', cover=cover, depth=True, deptype=deptypes):
             node = dep_spec.spec
 
             if prefix is not None:

lib/spack/spack/test/spec_dag.py

@@ -974,7 +974,6 @@ def test_canonical_deptype(self):
             canonical_deptype(('foo',))
 
     def test_invalid_literal_spec(self):
-
         # Can't give type 'build' to a top-level spec
         with pytest.raises(spack.spec.SpecParseError):
             Spec.from_literal({'foo:build': None})
@@ -982,3 +981,11 @@ def test_invalid_literal_spec(self):
         # Can't use more than one ':' separator
         with pytest.raises(KeyError):
             Spec.from_literal({'foo': {'bar:build:link': None}})
+
+    def test_spec_tree_respect_deptypes(self):
+        # Version-test-root uses version-test-pkg as a build dependency
+        s = Spec('version-test-root').concretized()
+        out = s.tree(deptypes='all')
+        assert 'version-test-pkg' in out
+        out = s.tree(deptypes=('link', 'run'))
+        assert 'version-test-pkg' not in out