Mercurial > public > mercurial-scm > hg-stable

diff mercurial/localrepo.py @ 9934:720f70b720d3

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commit: save commit message so it's not destroyed by rollback. (issue1635) Rationale: if a pretxncommit hook rejects this commit, the transaction is rolled back and the user's commit message is irrevocably lost. So save a copy in .hg/last-message.txt, just in case. Also handy if the user deliberately rolls back a commit in order to amend it.
author Greg Ward <greg-hg@gerg.ca>
date Tue, 24 Nov 2009 21:08:39 -0500
parents ea3acaae25bb
children 48b81d9bca8d
line wrap: on
line diff
--- a/mercurial/localrepo.py	Fri Aug 14 08:19:49 2009 -0400
+++ b/mercurial/localrepo.py	Tue Nov 24 21:08:39 2009 -0500
@@ -835,6 +835,15 @@
                     state[s] = (state[s][0], sr)
                 subrepo.writestate(self, state)
 
+            # Save commit message in case this transaction gets rolled back
+            # (e.g. by a pretxncommit hook).  (Save in text mode in case a
+            # Windows user wants to edit it with Notepad.  Normalize
+            # trailing whitespace so the file always looks the same --
+            # makes testing easier.)
+            msgfile = self.opener('last-message.txt', 'w')
+            msgfile.write(cctx._text.rstrip() + '\n')
+            msgfile.close()
+
             ret = self.commitctx(cctx, True)
 
             # update dirstate and mergestate