checkunfinished: accommodate histedit quirk stable

checkunfinished: accommodate histedit quirk

Turns out histedit actually intends for commits (but not other
operations like update) to be possible during its operation.

--- a/hgext/histedit.py	Mon Jul 22 10:04:53 2013 +0200
+++ b/hgext/histedit.py	Thu Jul 25 02:17:52 2013 -0500
@@ -874,5 +874,5 @@
 def extsetup(ui):
     cmdutil.summaryhooks.add('histedit', summaryhook)
     cmdutil.unfinishedstates.append(
-        ['histedit-state', False, _('histedit in progress'),
+        ['histedit-state', False, True, _('histedit in progress'),
          _("use 'hg histedit --continue' or 'hg histedit --abort'")])

--- a/hgext/rebase.py	Mon Jul 22 10:04:53 2013 +0200
+++ b/hgext/rebase.py	Thu Jul 25 02:17:52 2013 -0500
@@ -800,5 +800,5 @@
                      _("specify merge tool for rebase")))
     cmdutil.summaryhooks.add('rebase', summaryhook)
     cmdutil.unfinishedstates.append(
-        ['rebasestate', False, _('rebase in progress'),
+        ['rebasestate', False, False, _('rebase in progress'),
          _("use 'hg rebase --continue' or 'hg rebase --abort'")])

--- a/hgext/transplant.py	Mon Jul 22 10:04:53 2013 +0200
+++ b/hgext/transplant.py	Thu Jul 25 02:17:52 2013 -0500
@@ -685,7 +685,7 @@
     revset.symbols['transplanted'] = revsettransplanted
     templatekw.keywords['transplanted'] = kwtransplanted
     cmdutil.unfinishedstates.append(
-        ['series', True, _('transplant in progress'),
+        ['series', True, False, _('transplant in progress'),
          _("use 'hg transplant --continue' or 'hg update' to abort")])
 
 # tell hggettext to extract docstrings from these functions:

--- a/mercurial/cmdutil.py	Mon Jul 22 10:04:53 2013 +0200
+++ b/mercurial/cmdutil.py	Thu Jul 25 02:17:52 2013 -0500
@@ -2107,20 +2107,22 @@
 # A list of state files kept by multistep operations like graft.
 # Since graft cannot be aborted, it is considered 'clearable' by update.
 # note: bisect is intentionally excluded
-# (state file, clearable, error, hint)
+# (state file, clearable, allowcommit, error, hint)
 unfinishedstates = [
-    ('graftstate', True, _('graft in progress'),
+    ('graftstate', True, False, _('graft in progress'),
      _("use 'hg graft --continue' or 'hg update' to abort")),
-    ('updatestate', True, _('last update was interrupted'),
+    ('updatestate', True, False, _('last update was interrupted'),
      _("use 'hg update' to get a consistent checkout"))
     ]
 
-def checkunfinished(repo):
+def checkunfinished(repo, commit=False):
     '''Look for an unfinished multistep operation, like graft, and abort
     if found. It's probably good to check this right before
     bailifchanged().
     '''
-    for f, clearable, msg, hint in unfinishedstates:
+    for f, clearable, allowcommit, msg, hint in unfinishedstates:
+        if commit and allowcommit:
+            continue
         if repo.vfs.exists(f):
             raise util.Abort(msg, hint=hint)
 
@@ -2128,9 +2130,9 @@
     '''Check for unfinished operations (as above), and clear the ones
     that are clearable.
     '''
-    for f, clearable, msg, hint in unfinishedstates:
+    for f, clearable, allowcommit, msg, hint in unfinishedstates:
         if not clearable and repo.vfs.exists(f):
             raise util.Abort(msg, hint=hint)
-    for f, clearable, msg, hint in unfinishedstates:
+    for f, clearable, allowcommit, msg, hint in unfinishedstates:
         if clearable and repo.vfs.exists(f):
             util.unlink(repo.join(f))

--- a/mercurial/commands.py	Mon Jul 22 10:04:53 2013 +0200
+++ b/mercurial/commands.py	Thu Jul 25 02:17:52 2013 -0500
@@ -1336,7 +1336,7 @@
     # Save this for restoring it later
     oldcommitphase = ui.config('phases', 'new-commit')
 
-    cmdutil.checkunfinished(repo)
+    cmdutil.checkunfinished(repo, commit=True)
 
     branch = repo[None].branch()
     bheads = repo.branchheads(branch)

--- a/tests/test-histedit-edit.t	Mon Jul 22 10:04:53 2013 +0200
+++ b/tests/test-histedit-edit.t	Thu Jul 25 02:17:52 2013 -0500
@@ -73,8 +73,8 @@
   (use 'hg histedit --continue' or 'hg histedit --abort')
   [255]
 
-commit, then edit the revision (temporarily disable histedit to allow commit)
-  $ hg ci -m 'wat' --config 'extensions.histedit=!'
+commit, then edit the revision
+  $ hg ci -m 'wat'
   created new head
   $ echo a > e
   $ HGEDITOR='echo foobaz > ' hg histedit --continue 2>&1 | fixbundle

--- a/tests/test-histedit-fold.t	Mon Jul 22 10:04:53 2013 +0200
+++ b/tests/test-histedit-fold.t	Thu Jul 25 02:17:52 2013 -0500
@@ -214,7 +214,7 @@
   > 5
   > EOF
   $ hg resolve --mark file
-  $ hg commit -m '+5.2' --config 'extensions.histedit=!'
+  $ hg commit -m '+5.2'
   created new head
   $ echo 6 >> file
   $ HGEDITOR=cat hg histedit --continue