Spec graph works without color.

lib/spack/spack/cmd/spec.py

@@ -46,15 +46,12 @@ def spec(parser, args):
         spec.normalize()
         print spec.tree(color=True, indent=2, cover='paths')
 
-        print
-        print spec.topological_sort(reverse=True)
-        print
-        print "Graph"
-        print "------------------------------"
-        print spec.graph()
-        return
-
         print "Concretized"
         print "------------------------------"
         spec.concretize()
         print spec.tree(color=True, indent=2)
+
+        print "Graph"
+        print "------------------------------"
+        spec.graph()
+        return

lib/spack/spack/spec.py

@@ -1343,7 +1343,6 @@ def ordered_deps(node):
 
         frontier = []
 
-        debug = True
         debug = False
 
         def back_edge(end, start):
@@ -1367,6 +1366,9 @@ def back_edge(end, start):
             out.write("| " * end)
             out.write("|/")
             out.write("| " * (start - end - 1))
+            if (start - end) > 1:
+                out.write("| " * (len(frontier) - start))
+            else:
                 out.write(" /" * (len(frontier) - start))
             out.write("\n")
 
@@ -1424,6 +1426,9 @@ def add_deps_to_frontier(node, i):
                 deps = [name]
 
                 connect_deps(i, deps)
+                if i+1 < len(frontier) and len(frontier[i+1]) == 1:
+                    deps = frontier.pop(i+1)
+                    connect_deps(i+1, deps)
 
             else:
                 name = topo_order.pop()
@@ -1452,15 +1457,6 @@ def add_deps_to_frontier(node, i):
                     out.write("\n")
 
 
-        out.write("\n")
-        out.write("%s\n" % frontier)
-
-        # Reverse the lines in the output
-        #return '\n'.join(reversed(out.getvalue().split('\n')))
-
-        return "" #out.getvalue()
-
-
     def topological_sort(self, **kwargs):
         """Return a list of dependency specs sorted topologically.
            This spec is not modified in the process."""