[bincimap] patch for persistent message info.

[HIROSHIMA Naoki]

while i haven't received any comment from andy for the last question in
Message-ID: <[EMAIL PROTECTED]>, i just assume my
understanding is probably ok and then posting this patch.

thanks,
-- Hiroshima

--- operator-copy.cc.orig       Thu Apr 10 06:06:12 2003
+++ operator-copy.cc    Wed Jun 11 11:19:45 2003
@@ -92,6 +92,9 @@
   else 
     mode = Mailbox::SQNR_MODE;
 
+  typedef std::pair<string,int> copiedfile;
+  std::vector<copiedfile> copiedfiles;
+
   Mailbox::iterator i = mailbox->begin(command.bset,
                                       Mailbox::SKIP_EXPUNGED|mode);
   Mailbox::iterator e = mailbox->end();
@@ -242,6 +245,29 @@
       logger << "COPY warning: couldn't unlink " << (char*)safename
             << ": " << strerror(errno) << endl;
     delete safename;
+
+    copiedfiles.push_back(copiedfile(filename,message.getStdFlags()));
+  }
+
+  sleep(1); // to make all files at least 1 second old.
+
+  for (vector<copiedfile>::iterator p = copiedfiles.begin(); p != copiedfiles.end(); 
++p) {
+    string info = ":2,";
+    if (p->second & Message::F_DRAFT) info += "D";
+    if (p->second & Message::F_FLAGGED) info += "F";
+    if (p->second & Message::F_ANSWERED) info += "R";
+    if (p->second & Message::F_SEEN) info += "S";
+    if (p->second & Message::F_DELETED) info += "T";
+
+    string name = p->first + info;
+    name.replace(name.find("/new/"),5,"/cur/",5);
+
+    if (link(p->first.c_str(), name.c_str()) != 0)
+      logger << "warning: link(" << p->first << ", " << name << ") == "
+             << errno << ": " << strerror(errno) << endl;
+    else if (unlink(p->first.c_str()) != 0)
+      logger << "warning: unlink(" << name << ") == "
+             << errno << ": " << strerror(errno) << endl;
   }
 }