[PATCH 03 of 11 RFC] histedit: add rule handling for exec

[Olle Lundberg]

# HG changeset patch
# User Olle Lundberg <geek at nerd.sh>
# Date 1394034350 -3600
#      Wed Mar 05 16:45:50 2014 +0100
# Node ID 125d473d0d3982c8a01c94acbcec350522d9555e
# Parent  52e135b90ce2b4719d7f550133a01d895a29c2bc
histedit: add rule handling for exec

This changeset modifies verifyrules to skip the repo and hash
related logic since we are executing a command that is agnostic
to the repo state and context.

diff --git a/hgext/histedit.py b/hgext/histedit.py
--- a/hgext/histedit.py
+++ b/hgext/histedit.py
@@ -769,24 +769,28 @@
     seen = set()
     for r in rules:
         if ' ' not in r:
             raise util.Abort(_('malformed line "%s"') % r)
         action, rest = r.split(' ', 1)
-        ha = rest.strip().split(' ', 1)[0]
-        try:
-            ha = str(repo[ha])  # ensure its a short hash
-        except error.RepoError:
-            raise util.Abort(_('unknown changeset %s listed') % ha)
-        if ha not in expected:
-            raise util.Abort(
-                _('may not use changesets other than the ones listed'))
-        if ha in seen:
-            raise util.Abort(_('duplicated command for changeset %s') % ha)
-        seen.add(ha)
+        if action not in ('x', 'exec'):
+            args = rest.strip().split(' ', 1)[0]
+            try:
+                args = str(repo[args])  # ensure its a short hash
+            except error.RepoError:
+                raise util.Abort(_('unknown changeset %s listed') % args)
+            if args not in expected:
+                raise util.Abort(
+                    _('may not use changesets other than the ones listed'))
+            if args in seen:
+                raise util.Abort(
+                    _('duplicated command for changeset %s') % args)
+            seen.add(args)
+        else:
+            args = rest
         if action not in actiontable:
             raise util.Abort(_('unknown action "%s"') % action)
-        parsed.append([action, ha])
+        parsed.append([action, args])
     missing = sorted(expected - seen)  # sort to stabilize output
     if missing:
         raise util.Abort(_('missing rules for changeset %s') % missing[0],
                          hint=_('do you want to use the drop action?'))
     return parsed