[PATCH 03 of 15 V5] bookmarks: rewrite pushing local bookmarks in "commands.push()" by "compare()"

[FUJIWARA Katsunori]

# HG changeset patch
# User FUJIWARA Katsunori <foozy at lares.dti.ne.jp>
# Date 1383882352 -32400
#      Fri Nov 08 12:45:52 2013 +0900
# Node ID e1b0d4635368d47a7312de5ea935ff3a0184b8ad
# Parent  8b09de39237afcb3f2bb29904329a59c0af7a49e
bookmarks: rewrite pushing local bookmarks in "commands.push()" by "compare()"

This patch adds "pushtoremote()", which uses "compare()" to compare
bookmarks between the local and the remote repositories, to replace
pushing local bookmarks in "commands.push()".

diff --git a/mercurial/bookmarks.py b/mercurial/bookmarks.py
--- a/mercurial/bookmarks.py
+++ b/mercurial/bookmarks.py
@@ -364,6 +364,36 @@
             writer(msg)
         localmarks.write()
 
+def pushtoremote(ui, repo, remote, targets):
+    (addsrc, adddst, advsrc, advdst, diverge, differ, invalid
+     ) = compare(repo, repo._bookmarks, remote.listkeys('bookmarks'),
+                 srchex=hex, targets=targets)
+    if invalid:
+        b, scid, dcid = invalid[0]
+        ui.warn(_('bookmark %s does not exist on the local '
+                  'or remote repository!\n') % b)
+        return 2
+
+    def push(b, old, new):
+        r = remote.pushkey('bookmarks', b, old, new)
+        if not r:
+            ui.warn(_('updating bookmark %s failed!\n') % b)
+            return 1
+        return 0
+    failed = 0
+    for b, scid, dcid in sorted(addsrc + advsrc + advdst + diverge + differ):
+        ui.status(_("exporting bookmark %s\n") % b)
+        if dcid is None:
+            dcid = ''
+        failed += push(b, dcid, scid)
+    for b, scid, dcid in adddst:
+        # treat as "deleted locally"
+        ui.status(_("deleting remote bookmark %s\n") % b)
+        failed += push(b, dcid, '')
+
+    if failed:
+        return 1
+
 def diff(ui, dst, src):
     ui.status(_("searching for changed bookmarks\n"))
 
diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -4703,25 +4703,11 @@
     result = not result
 
     if opts.get('bookmark'):
-        rb = other.listkeys('bookmarks')
-        for b in opts['bookmark']:
-            # explicit push overrides remote bookmark if any
-            if b in repo._bookmarks:
-                ui.status(_("exporting bookmark %s\n") % b)
-                new = repo[b].hex()
-            elif b in rb:
-                ui.status(_("deleting remote bookmark %s\n") % b)
-                new = '' # delete
-            else:
-                ui.warn(_('bookmark %s does not exist on the local '
-                          'or remote repository!\n') % b)
-                return 2
-            old = rb.get(b, '')
-            r = other.pushkey('bookmarks', b, old, new)
-            if not r:
-                ui.warn(_('updating bookmark %s failed!\n') % b)
-                if not result:
-                    result = 2
+        bresult = bookmarks.pushtoremote(ui, repo, other, opts['bookmark'])
+        if bresult == 2:
+            return 2
+        if not result and bresult:
+            result = 2
 
     return result