# HG changeset patch
# User Benoit Boissinot <benoit.boissinot@ens-lyon.org>
# Date 2008-09-05 08:39:19
# Node ID 55c16f12908b6983c21efc957f77f3b5650c7f0b
# Parent  5cf3bf3c19ba7f4076fae55a959bbe59d9674e5c
# Parent  6c4a08270222569ba906f4f1c7860783eec19225

merge with crew

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -288,9 +288,6 @@ def bisect(ui, repo, rev=None, extra=Non
             reset = True
     elif extra or good + bad + skip + reset > 1:
         raise util.Abort(_('incompatible arguments'))
-    elif not (good or bad or skip or reset):
-        ui.status(_('(no action selected)\n'))
-        return
 
     if reset:
         p = repo.join("bisect.state")
@@ -329,7 +326,12 @@ def bisect(ui, repo, rev=None, extra=Non
         del wlock
 
     if not state['good'] or not state['bad']:
-        return
+        if (good or bad or skip or reset):
+            return
+        if not state['good']:
+            raise util.Abort(_('cannot bisect (no known good revisions)'))
+        else:
+            raise util.Abort(_('cannot bisect (no known bad revisions)'))
 
     # actually bisect
     nodes, changesets, good = hbisect.bisect(repo.changelog, state)
diff --git a/tests/run-tests.py b/tests/run-tests.py
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -202,6 +202,8 @@ def install_hg():
     os.environ["PYTHONPATH"] = pythonpath
 
     use_correct_python()
+    global hgpkg
+    hgpkg = _hgpath()
 
     if coverage:
         vlog("# Installing coverage wrapper")
@@ -456,6 +458,16 @@ BINDIR = os.path.join(INST, "bin")
 PYTHONDIR = os.path.join(INST, "lib", "python")
 COVERAGE_FILE = os.path.join(TESTDIR, ".coverage")
 
+def _hgpath():
+    cmd = '%s -c "import mercurial; print mercurial.__path__[0]"'
+    hgpath = os.popen(cmd % python)
+    path = hgpath.read().strip()
+    hgpath.close()
+    return path
+
+expecthg = os.path.join(HGTMP, 'install', 'lib', 'python', 'mercurial')
+hgpkg = None
+
 def run_children(tests):
     if not options.with_hg:
         install_hg()
@@ -512,6 +524,9 @@ def run_children(tests):
         print "Skipped %s: %s" % (s[0], s[1])
     for s in fails:
         print "Failed %s: %s" % (s[0], s[1])
+
+    if hgpkg != expecthg:
+        print '# Tested unexpected mercurial: %s' % hgpkg
     print "# Ran %d tests, %d skipped, %d failed." % (
         tested, skipped, failed)
     sys.exit(failures != 0)
@@ -525,6 +540,9 @@ def run_tests(tests):
         if not options.with_hg:
             install_hg()
 
+        if hgpkg != expecthg:
+           print '# Testing unexpected mercurial: %s' % hgpkg
+
         if options.timeout > 0:
             try:
                 signal.signal(signal.SIGALRM, alarmed)
@@ -585,6 +603,8 @@ def run_tests(tests):
                 print "Skipped %s: %s" % s
             for s in fails:
                 print "Failed %s: %s" % s
+            if hgpkg != expecthg:
+                print '# Tested unexpected mercurial: %s' % hgpkg
             print "# Ran %d tests, %d skipped, %d failed." % (
                 tested, skipped, failed)
 
diff --git a/tests/test-bisect b/tests/test-bisect
--- a/tests/test-bisect
+++ b/tests/test-bisect
@@ -55,10 +55,7 @@ hg bisect -g null
 hg bisect -bU tip
 hg id
 
-echo % test no action message
-hg bisect
-
-# reproduce AssertionError (issue1228 and issue1182)
+echo % reproduce AssertionError, issue1228 and issue1182
 hg bisect -r
 hg bisect -b 4
 hg bisect -g 0
@@ -66,8 +63,12 @@ hg bisect -s
 hg bisect -s
 hg bisect -s
 
-# reproduce non converging bisect (issue1182)
+echo % reproduce non converging bisect, issue1182
 hg bisect -r
 hg bisect -g 0
 hg bisect -b 2
 hg bisect -s
+
+echo % test no action
+hg bisect -r
+hg bisect
diff --git a/tests/test-bisect.out b/tests/test-bisect.out
--- a/tests/test-bisect.out
+++ b/tests/test-bisect.out
@@ -241,8 +241,7 @@ abort: Inconsistent state, 31:58c80a7c8a
 error
 Testing changeset 15:e7fa0811edb0 (32 changesets remaining, ~5 tests)
 5cd978ea5149
-% test no action message
-(no action selected)
+% reproduce AssertionError, issue1228 and issue1182
 Testing changeset 2:db07c04beaca (4 changesets remaining, ~2 tests)
 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 Testing changeset 1:5cd978ea5149 (4 changesets remaining, ~2 tests)
@@ -270,6 +269,7 @@ user:        test
 date:        Thu Jan 01 00:00:04 1970 +0000
 summary:     msg 4
 
+% reproduce non converging bisect, issue1182
 Testing changeset 1:5cd978ea5149 (2 changesets remaining, ~1 tests)
 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 Due to skipped revisions, the first bad revision could be any of:
@@ -283,3 +283,5 @@ user:        test
 date:        Thu Jan 01 00:00:02 1970 +0000
 summary:     msg 2
 
+% test no action
+abort: cannot bisect (no known good revisions)