graphlog: take the union of --rev specs instead of the intersection

hgext/graphlog.py

@@ -257,6 +257,7 b' def revset(pats, opts):'
         'prune': (2, 'not ($ or ancestors($))'),
         'user': (2, 'user($)'),
         }
+    optrevset = []
     revset = []
     for op, val in opts.iteritems():
         if not val:
@@ -269,17 +270,24 b' def revset(pats, opts):'
         arity, revop = opt2revset[op]
         revop = revop.replace('$', '%(val)r')
         if arity == 0:
-            revset.append(revop)
+            optrevset.append(revop)
         elif arity == 1:
-            revset.append(revop % {'val': val})
+            optrevset.append(revop % {'val': val})
         else:
             for f in val:
-                revset.append(revop % {'val': f})
+                optrevset.append(revop % {'val': f})
 
     for path in pats:
-        revset.append('file(%r)' % path)
+        optrevset.append('file(%r)' % path)
 
-    revset = ' and '.join(revset) or 'all()'
+    if revset or optrevset:
+        if revset:
+            revset = ['(' + ' or '.join(revset) + ')']
+        if optrevset:
+            revset.append('(' + ' and '.join(optrevset) + ')')
+        revset = ' and '.join(revset)
+    else:
+        revset = 'all()'
     # we want reverted revset to build graph
     revset = 'reverse(%s)' % revset
     if opts['limit']:

tests/test-glog.t

@@ -1319,12 +1319,13 b' File + limit + -ra:b, b < tip:'
 file(File) + limit + -ra:b, b < tip:
 
   $ hg glog -l1 -r32:34 -r 'file("a")'
-  o  changeset:   34:fea3ac5810e0
-  |  parent:      32:d06dffa21a31
-  |  user:        test
-  |  date:        Thu Jan 01 00:00:34 1970 +0000
-  |  summary:     (34) head
-  |
+  o    changeset:   31:621d83e11f67
+  |\   parent:      21:d42a756af44d
+  | |  parent:      30:6e11cd4b648f
+  | |  user:        test
+  | |  date:        Thu Jan 01 00:00:31 1970 +0000
+  | |  summary:     (31) expand
+  | |
 
 limit(file(File) and a::b), b < tip:
 
@@ -1453,3 +1454,11 b' Test log -G options'
   $ hg log -G --follow a
   abort: -G/--graph option is incompatible with --follow with file argument
   [255]
+
+Test multiple revision specifications are correctly handled
+
+  $ hg log -G -r 27 -r 25 --branch default --template '{rev}\n'
+  o    25
+  |\
+  +---o  27
+  | |