diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -5869,7 +5869,7 @@ def summary(ui, repo, **opts):
     """summarize working directory state
 
     This generates a brief summary of the working directory state,
-    including parents, branch, commit status, and available updates.
+    including parents, branch, commit status, phase and available updates.
 
     With the --remote option, this will check the default paths for
     incoming and outgoing changes. This can be time-consuming.
@@ -5997,6 +5997,25 @@ def summary(ui, repo, **opts):
         ui.write(_('update: %d new changesets, %d branch heads (merge)\n') %
                  (new, len(bheads)))
 
+    t = []
+    draft = len(repo.revs('draft()'))
+    if draft:
+        t.append(_('%d draft') % draft)
+    secret = len(repo.revs('secret()'))
+    if secret:
+        t.append(_('%d secret') % secret)
+
+    if parents:
+        parentphase = max(p.phase() for p in parents)
+    else:
+        parentphase = phases.public
+
+    if draft or secret:
+        ui.status(_('phases: %s (%s)\n') % (', '.join(t),
+                                            phases.phasenames[parentphase]))
+    else:
+        ui.note(_('phases: (%s)\n') % phases.phasenames[parentphase])
+
     cmdutil.summaryhooks(ui, repo)
 
     if opts.get('remote'):
diff --git a/tests/test-backout.t b/tests/test-backout.t
--- a/tests/test-backout.t
+++ b/tests/test-backout.t
@@ -42,6 +42,7 @@ specified explicitly)
   branch: default
   commit: (clean)
   update: (current)
+  phases: 3 draft (draft)
 
 commit option
 
@@ -69,6 +70,7 @@ commit option
   branch: default
   commit: (clean)
   update: (current)
+  phases: 4 draft (draft)
 
   $ echo ypples > a
   $ hg commit -d '5 0' -m ypples
@@ -83,6 +85,7 @@ commit option
   branch: default
   commit: 1 unresolved (clean)
   update: (current)
+  phases: 5 draft (draft)
 
 file that was removed is recreated
 (this also tests that editor is not invoked if the commit message is
@@ -110,6 +113,7 @@ specified explicitly)
   branch: default
   commit: (clean)
   update: (current)
+  phases: 3 draft (draft)
 
 backout of backout is as if nothing happened
 
@@ -124,6 +128,7 @@ backout of backout is as if nothing happ
   branch: default
   commit: (clean)
   update: (current)
+  phases: 4 draft (draft)
 
 across branch
 
@@ -144,6 +149,7 @@ across branch
   branch: default
   commit: (clean)
   update: 1 new changesets (update)
+  phases: 2 draft (draft)
 
 should fail
 
@@ -160,6 +166,7 @@ should fail
   branch: default
   commit: (clean)
   update: 1 new changesets, 2 branch heads (merge)
+  phases: 3 draft (draft)
 
 should fail
 
@@ -172,6 +179,7 @@ should fail
   branch: default
   commit: (clean)
   update: 1 new changesets, 2 branch heads (merge)
+  phases: 3 draft (draft)
 
 backout with merge
 
@@ -189,6 +197,7 @@ backout with merge
   branch: default
   commit: (clean)
   update: (current)
+  phases: 1 draft (draft)
 
 remove line 1
 
@@ -213,6 +222,7 @@ remove line 1
   branch: default
   commit: (clean)
   update: (current)
+  phases: 5 draft (draft)
 
 check line 1 is back
 
@@ -241,6 +251,7 @@ backout should not back out subsequent c
   branch: default
   commit: (clean)
   update: (current)
+  phases: 3 draft (draft)
 
 without --merge
   $ hg backout -d '3 0' 1 --tool=true
@@ -258,6 +269,7 @@ without --merge
   branch: default
   commit: (clean)
   update: (current)
+  phases: 3 draft (draft)
 
 with --merge
   $ hg backout --merge -d '3 0' 1 --tool=true
@@ -302,6 +314,7 @@ with --merge
   branch: default
   commit: (clean)
   update: (current)
+  phases: 5 draft (draft)
 
 backout of merge should fail
 
@@ -332,6 +345,7 @@ backout with valid parent should be ok
   branch: default
   commit: (clean)
   update: (current)
+  phases: 6 draft (draft)
 
   $ hg rollback
   repository tip rolled back to revision 4 (undo commit)
@@ -344,6 +358,7 @@ backout with valid parent should be ok
   branch: default
   commit: (clean)
   update: (current)
+  phases: 5 draft (draft)
 
   $ hg backout -d '6 0' --parent 3 4 --tool=true
   removing c
@@ -354,6 +369,7 @@ backout with valid parent should be ok
   branch: default
   commit: (clean)
   update: (current)
+  phases: 6 draft (draft)
 
   $ cd ..
 
@@ -394,6 +410,7 @@ without --merge
   branch: branch2
   commit: 1 removed
   update: (current)
+  phases: 3 draft (draft)
 
 with --merge
 (this also tests that editor is invoked if '--edit' is specified
@@ -424,6 +441,7 @@ explicitly regardless of '--message')
   branch: branch2
   commit: 1 removed (merge)
   update: (current)
+  phases: 4 draft (draft)
   $ hg update -q -C 2
 
 on branch2 with branch1 not merged, so file1 should still exist:
@@ -440,6 +458,7 @@ on branch2 with branch1 not merged, so f
   branch: branch2
   commit: (clean)
   update: 1 new changesets, 2 branch heads (merge)
+  phases: 4 draft (draft)
 
 on branch2 with branch1 merged, so file1 should be gone:
 
@@ -458,6 +477,7 @@ on branch2 with branch1 merged, so file1
   branch: branch2
   commit: (clean)
   update: (current)
+  phases: 5 draft (draft)
 
 on branch1, so no file1 and file2:
 
@@ -474,6 +494,7 @@ on branch1, so no file1 and file2:
   branch: branch1
   commit: (clean)
   update: (current)
+  phases: 5 draft (draft)
 
   $ cd ..
 
@@ -553,6 +574,7 @@ Test usage of `hg resolve` in case of co
   branch: default
   commit: 1 unresolved (clean)
   update: (current)
+  phases: 3 draft (draft)
   $ hg resolve --all --debug
   picked tool 'internal:merge' for foo (binary False symlink False)
   merging foo
@@ -570,6 +592,7 @@ Test usage of `hg resolve` in case of co
   branch: default
   commit: 1 modified, 1 unknown
   update: (current)
+  phases: 3 draft (draft)
   $ cat foo
   one
   two
diff --git a/tests/test-bisect.t b/tests/test-bisect.t
--- a/tests/test-bisect.t
+++ b/tests/test-bisect.t
@@ -190,6 +190,7 @@ bisect test
   branch: default
   commit: (clean)
   update: (current)
+  phases: 32 draft (draft)
   $ hg bisect -g 1
   Testing changeset 16:a2e6ea4973e9 (30 changesets remaining, ~4 tests)
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
diff --git a/tests/test-bookmarks.t b/tests/test-bookmarks.t
--- a/tests/test-bookmarks.t
+++ b/tests/test-bookmarks.t
@@ -393,6 +393,7 @@ test summary
   bookmarks: *Z Y x  y
   commit: (clean)
   update: 1 new changesets, 2 branch heads (merge)
+  phases: 3 draft (draft)
 
 test id
 
@@ -538,6 +539,7 @@ update to current bookmark if it's not t
   bookmarks: *Z Y x  y
   commit: 1 added, 1 unknown (new branch head)
   update: 2 new changesets (update)
+  phases: 5 draft (draft)
   $ hg update
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   updating bookmark Z
diff --git a/tests/test-commit-amend.t b/tests/test-commit-amend.t
--- a/tests/test-commit-amend.t
+++ b/tests/test-commit-amend.t
@@ -72,6 +72,7 @@ Check proper abort for empty message
   branch: default
   commit: 1 added, 1 unknown
   update: (current)
+  phases: 2 draft (draft)
   $ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit --amend
   transaction abort!
   rollback completed
@@ -83,6 +84,7 @@ Check proper abort for empty message
   branch: default
   commit: 1 added, 1 unknown
   update: (current)
+  phases: 2 draft (draft)
 
 Add new file:
   $ hg ci --amend -m 'amend base1 new file'
diff --git a/tests/test-commit-interactive.t b/tests/test-commit-interactive.t
--- a/tests/test-commit-interactive.t
+++ b/tests/test-commit-interactive.t
@@ -81,6 +81,7 @@ Summary shows we updated to the new cset
   branch: default
   commit: (clean)
   update: (current)
+  phases: 1 draft (draft)
 
 Rename empty file
 
diff --git a/tests/test-copy.t b/tests/test-copy.t
--- a/tests/test-copy.t
+++ b/tests/test-copy.t
@@ -19,6 +19,7 @@
   branch: default
   commit: 1 copied
   update: (current)
+  phases: 1 draft (draft)
   $ hg --debug commit -m "2"
   committing files:
   b
diff --git a/tests/test-histedit-edit.t b/tests/test-histedit-edit.t
--- a/tests/test-histedit-edit.t
+++ b/tests/test-histedit-edit.t
@@ -246,6 +246,7 @@ check histedit_source
   branch: default
   commit: 1 added (new branch head)
   update: 1 new changesets (update)
+  phases: 7 draft (draft)
   hist:   1 remaining (histedit --continue)
 
 (test also that editor is invoked if histedit is continued for
diff --git a/tests/test-histedit-no-change.t b/tests/test-histedit-no-change.t
--- a/tests/test-histedit-no-change.t
+++ b/tests/test-histedit-no-change.t
@@ -183,6 +183,7 @@ abort editing session, after first forci
   branch: default
   commit: 1 added, 1 unknown (new branch head)
   update: 6 new changesets (update)
+  phases: 7 draft (draft)
   hist:   2 remaining (histedit --continue)
 
   $ hg histedit --abort 2>&1 | fixbundle
diff --git a/tests/test-import.t b/tests/test-import.t
--- a/tests/test-import.t
+++ b/tests/test-import.t
@@ -990,6 +990,7 @@ Issue2102: hg export and hg import speak
   branch: default
   commit: (clean)
   update: (current)
+  phases: 2 draft (draft)
 
   $ hg diff --git -c tip
   diff --git a/lib/place-holder b/lib/place-holder
diff --git a/tests/test-largefiles-misc.t b/tests/test-largefiles-misc.t
--- a/tests/test-largefiles-misc.t
+++ b/tests/test-largefiles-misc.t
@@ -228,6 +228,7 @@ verify that large files in subrepos hand
   branch: default
   commit: 1 subrepos
   update: (current)
+  phases: 2 draft (draft)
   $ hg st
   $ hg st -S
   A subrepo/large.txt
@@ -245,6 +246,7 @@ verify that large files in subrepos hand
   branch: default
   commit: (clean)
   update: (current)
+  phases: 3 draft (draft)
   $ echo "rev 2" > subrepo/large.txt
   $ hg st -S
   M subrepo/large.txt
@@ -254,6 +256,7 @@ verify that large files in subrepos hand
   branch: default
   commit: 1 subrepos
   update: (current)
+  phases: 3 draft (draft)
   $ hg ci -m "this commit should fail without -S"
   abort: uncommitted changes in subrepository 'subrepo'
   (use --subrepos for recursive commit)
@@ -567,6 +570,7 @@ because it can't be reproduced easily.
   branch: default
   commit: (clean)
   update: (current)
+  phases: 1 draft (draft)
   largefiles: (no remote repo)
 
 check messages when there is no files to upload:
@@ -581,6 +585,7 @@ check messages when there is no files to
   branch: default
   commit: (clean)
   update: (current)
+  phases: 1 draft (draft)
   largefiles: (no files to upload)
   $ hg -R clone2 outgoing --large
   comparing with $TESTTMP/issue3651/src (glob)
@@ -608,6 +613,7 @@ check messages when there are files to u
   branch: default
   commit: (clean)
   update: (current)
+  phases: 2 draft (draft)
   largefiles: 1 entities for 1 files to upload
   $ hg -R clone2 outgoing --large
   comparing with $TESTTMP/issue3651/src (glob)
@@ -643,6 +649,7 @@ check messages when there are files to u
   branch: default
   commit: (clean)
   update: (current)
+  phases: 3 draft (draft)
   largefiles: 1 entities for 3 files to upload
   $ hg -R clone2 outgoing --large -T "{rev}:{node|short}\n"
   comparing with $TESTTMP/issue3651/src (glob)
@@ -692,6 +699,7 @@ check messages when there are files to u
   branch: default
   commit: (clean)
   update: (current)
+  phases: 6 draft (draft)
   largefiles: 3 entities for 3 files to upload
   $ hg -R clone2 outgoing --large -T "{rev}:{node|short}\n"
   comparing with $TESTTMP/issue3651/src (glob)
@@ -750,6 +758,7 @@ and #5 refer it.
   branch: default
   commit: (clean)
   update: (current)
+  phases: 6 draft (draft)
   largefiles: 2 entities for 1 files to upload
   $ hg -R clone2 outgoing --large -T "{rev}:{node|short}\n"
   comparing with $TESTTMP/issue3651/src (glob)
diff --git a/tests/test-largefiles.t b/tests/test-largefiles.t
--- a/tests/test-largefiles.t
+++ b/tests/test-largefiles.t
@@ -67,6 +67,7 @@ Test status and dirstate of largefiles a
   branch: default
   commit: (clean)
   update: (current)
+  phases: 2 draft (draft)
   largefiles: (no remote repo)
 
 Commit preserved largefile contents.
@@ -999,6 +1000,7 @@ Test cloning with --all-largefiles flag
   branch: default
   commit: (clean)
   update: 7 new changesets (update)
+  phases: 8 draft (draft)
 
   $ rm "${USERCACHE}"/*
   $ hg clone --all-largefiles -u 1 a a-clone1
@@ -1021,6 +1023,7 @@ Test cloning with --all-largefiles flag
   branch: default
   commit: (clean)
   update: 6 new changesets (update)
+  phases: 8 draft (draft)
 
   $ rm "${USERCACHE}"/*
   $ hg clone --all-largefiles -U a a-clone-u
@@ -1030,6 +1033,7 @@ Test cloning with --all-largefiles flag
   branch: default
   commit: (clean)
   update: 8 new changesets (update)
+  phases: 8 draft (public)
 
 Show computed destination directory:
 
diff --git a/tests/test-merge1.t b/tests/test-merge1.t
--- a/tests/test-merge1.t
+++ b/tests/test-merge1.t
@@ -40,6 +40,7 @@ Test interrupted updates by exploiting o
   branch: default
   commit: (interrupted update)
   update: 1 new changesets (update)
+  phases: 2 draft (draft)
   $ rmdir b
   $ hg up
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
@@ -49,6 +50,7 @@ Test interrupted updates by exploiting o
   branch: default
   commit: (clean)
   update: (current)
+  phases: 2 draft (draft)
 
 Prepare a basic merge
 
diff --git a/tests/test-obsolete.t b/tests/test-obsolete.t
--- a/tests/test-obsolete.t
+++ b/tests/test-obsolete.t
@@ -164,6 +164,7 @@ check that summary does not report them
   branch: default
   commit: (clean)
   update: (current)
+  phases: 3 draft (draft)
   remote: 3 outgoing
 
   $ hg summary --remote --hidden
@@ -172,6 +173,7 @@ check that summary does not report them
   branch: default
   commit: (clean)
   update: 3 new changesets, 4 branch heads (merge)
+  phases: 6 draft (draft)
   remote: 3 outgoing
 
 check that various commands work well with filtering
diff --git a/tests/test-phases.t b/tests/test-phases.t
--- a/tests/test-phases.t
+++ b/tests/test-phases.t
@@ -242,6 +242,25 @@ Test secret changeset are not cloned
   1 0 B
   0 0 A
 
+Test summary
+
+  $ hg summary -R clone-dest --verbose
+  parent: -1:000000000000  (no revision checked out)
+  branch: default
+  commit: (clean)
+  update: 5 new changesets (update)
+  phases: (public)
+  $ hg summary -R initialrepo
+  parent: 7:17a481b3bccb tip
+   merge B' and E
+  branch: default
+  commit: (clean)
+  update: 1 new changesets, 2 branch heads (merge)
+  phases: 3 draft, 3 secret (secret)
+  $ hg summary -R initialrepo --quiet
+  parent: 7:17a481b3bccb tip
+  update: 1 new changesets, 2 branch heads (merge)
+
 Test revset
 
   $ cd initialrepo
diff --git a/tests/test-rebase-abort.t b/tests/test-rebase-abort.t
--- a/tests/test-rebase-abort.t
+++ b/tests/test-rebase-abort.t
@@ -321,3 +321,4 @@ during a rebase (issue4661)
   branch: default
   commit: (clean)
   update: 1 new changesets, 2 branch heads (merge)
+  phases: 4 draft (draft)
diff --git a/tests/test-rebase-parameters.t b/tests/test-rebase-parameters.t
--- a/tests/test-rebase-parameters.t
+++ b/tests/test-rebase-parameters.t
@@ -476,6 +476,7 @@ Test --tool parameter:
   branch: default
   commit: 1 modified, 1 unresolved (merge)
   update: (current)
+  phases: 3 draft (draft)
   rebase: 0 rebased, 1 remaining (rebase --continue)
 
   $ hg resolve -l
diff --git a/tests/test-rename.t b/tests/test-rename.t
--- a/tests/test-rename.t
+++ b/tests/test-rename.t
@@ -20,6 +20,7 @@ rename a single file
   branch: default
   commit: 1 renamed
   update: (current)
+  phases: 1 draft (draft)
   $ hg status -C
   A d2/c
     d1/d11/a1
diff --git a/tests/test-revert.t b/tests/test-revert.t
--- a/tests/test-revert.t
+++ b/tests/test-revert.t
@@ -360,6 +360,7 @@ merge it with the other head
   branch: default
   commit: 2 modified, 1 removed (merge)
   update: (current)
+  phases: 3 draft (draft)
 
 clarifies who added what
 
diff --git a/tests/test-shelve.t b/tests/test-shelve.t
--- a/tests/test-shelve.t
+++ b/tests/test-shelve.t
@@ -782,6 +782,7 @@ is a no-op), works (issue4398)
   bookmarks: *test
   commit: 2 unknown (clean)
   update: (current)
+  phases: 5 draft (draft)
 
   $ hg shelve --delete --stat
   abort: options '--delete' and '--stat' may not be used together
diff --git a/tests/test-strip.t b/tests/test-strip.t
--- a/tests/test-strip.t
+++ b/tests/test-strip.t
@@ -526,6 +526,7 @@ Verify strip protects against stripping 
   branch: default
   commit: 1 modified, 1 unknown, 1 unresolved
   update: (current)
+  phases: 2 draft (draft)
   mq:     3 unapplied
 
   $ echo c > b
@@ -553,6 +554,7 @@ Verify strip protects against stripping 
   branch: default
   commit: 1 modified, 1 unknown
   update: (current)
+  phases: 1 draft (draft)
   mq:     3 unapplied
 
 Strip adds, removes, modifies with --keep
diff --git a/tests/test-subrepo-svn.t b/tests/test-subrepo-svn.t
--- a/tests/test-subrepo-svn.t
+++ b/tests/test-subrepo-svn.t
@@ -72,6 +72,7 @@ make sure we avoid empty commits (issue2
   branch: default
   commit: (clean)
   update: (current)
+  phases: 2 draft (draft)
   $ hg ci -moops
   nothing changed
   [1]
@@ -96,6 +97,7 @@ change file in svn and hg, commit
   branch: default
   commit: 1 modified, 1 subrepos
   update: (current)
+  phases: 2 draft (draft)
   $ hg commit --subrepos -m 'Message!' | grep -v Updating
   committing subrepository s
   Sending*s/alpha (glob)
@@ -136,6 +138,7 @@ bringing any changes.
   branch: default
   commit: (clean)
   update: (current)
+  phases: 3 draft (draft)
 
   $ echo a > s/a
 
diff --git a/tests/test-subrepo.t b/tests/test-subrepo.t
--- a/tests/test-subrepo.t
+++ b/tests/test-subrepo.t
@@ -38,6 +38,7 @@ Issue2232: committing a subrepo without 
   branch: default
   commit: 1 added, 1 subrepos
   update: (current)
+  phases: 1 draft (draft)
   $ hg ci -m1
 
 test handling .hgsubstate "added" explicitly.
@@ -83,6 +84,7 @@ Issue2022: update -C
   branch: default
   commit: 1 subrepos
   update: (current)
+  phases: 2 draft (draft)
   $ hg co -C 1
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg sum
@@ -91,6 +93,7 @@ Issue2022: update -C
   branch: default
   commit: (clean)
   update: (current)
+  phases: 2 draft (draft)
 
 commands that require a clean repo should respect subrepos
 
@@ -113,6 +116,7 @@ add sub sub
   branch: default
   commit: 1 subrepos
   update: (current)
+  phases: 2 draft (draft)
   $ hg ci -m2
   committing subrepository s
   committing subrepository s/ss (glob)
@@ -122,6 +126,7 @@ add sub sub
   branch: default
   commit: (clean)
   update: (current)
+  phases: 3 draft (draft)
 
 test handling .hgsubstate "modified" explicitly.
 
diff --git a/tests/test-url-rev.t b/tests/test-url-rev.t
--- a/tests/test-url-rev.t
+++ b/tests/test-url-rev.t
@@ -101,6 +101,7 @@ Changing original repo:
   branch: default
   commit: (clean)
   update: (current)
+  phases: 4 draft (draft)
   remote: 2 outgoing
   $ hg -q outgoing '../clone#foo'
   2:faba9097cad4
@@ -110,6 +111,7 @@ Changing original repo:
   branch: default
   commit: (clean)
   update: (current)
+  phases: 4 draft (draft)
   remote: 1 outgoing
 
   $ hg -q --cwd ../clone incoming '../repo#foo'
@@ -282,6 +284,7 @@ Test handling common incoming revisions 
   branch: default
   commit: (clean)
   update: (current)
+  phases: 1 draft (draft)
   remote: 1 outgoing
 
   $ hg summary --remote --config paths.default='../clone#foo' --config paths.default-push='../clone'
@@ -290,6 +293,7 @@ Test handling common incoming revisions 
   branch: default
   commit: (clean)
   update: (current)
+  phases: 1 draft (draft)
   remote: 2 outgoing
 
   $ hg summary --remote --config paths.default='../clone' --config paths.default-push='../clone#foo'
@@ -298,6 +302,7 @@ Test handling common incoming revisions 
   branch: default
   commit: (clean)
   update: (current)
+  phases: 1 draft (draft)
   remote: 1 outgoing
 
   $ hg clone -q -r 0 . ../another
@@ -311,6 +316,7 @@ Test handling common incoming revisions 
   branch: default
   commit: (clean)
   update: (current)
+  phases: 1 draft (draft)
   remote: 1 outgoing
 
   $ cd ..