# HG changeset patch
# User Stanislau Hlebik <st...@fb.com>
# Date 1479807361 28800
#      Tue Nov 22 01:36:01 2016 -0800
# Node ID 81854771326941912a0dfd80f4f0c9d0191eea75
# Parent  0fd97a0c043a3f5c1d4ba050435d86e09dbd0f54
bookmarks: make bookmarks.comparebookmarks accept binary nodes (API)

New `bookmarks` bundle2 part will contain byte nodes, and since bookmarks are
stored in binary format, it doesn't make sense to convert them from binary to
hex and then back to binary again

diff --git a/mercurial/bookmarks.py b/mercurial/bookmarks.py
--- a/mercurial/bookmarks.py
+++ b/mercurial/bookmarks.py
@@ -391,8 +391,7 @@
     finally:
         lockmod.release(tr, l, w)
 
-def comparebookmarks(repo, srcmarks, dstmarks,
-                     srchex=None, dsthex=None, targets=None):
+def comparebookmarks(repo, srcmarks, dstmarks, targets=None):
     '''Compare bookmarks between srcmarks and dstmarks
 
     This returns tuple "(addsrc, adddst, advsrc, advdst, diverge,
@@ -415,19 +414,9 @@
     Changeset IDs of tuples in "addsrc", "adddst", "differ" or
      "invalid" list may be unknown for repo.
 
-    This function expects that "srcmarks" and "dstmarks" return
-    changeset ID in 40 hexadecimal digit string for specified
-    bookmark. If not so (e.g. bmstore "repo._bookmarks" returning
-    binary value), "srchex" or "dsthex" should be specified to convert
-    into such form.
-
     If "targets" is specified, only bookmarks listed in it are
     examined.
     '''
-    if not srchex:
-        srchex = lambda x: x
-    if not dsthex:
-        dsthex = lambda x: x
 
     if targets:
         bset = set(targets)
@@ -449,14 +438,14 @@
     for b in sorted(bset):
         if b not in srcmarks:
             if b in dstmarks:
-                adddst((b, None, dsthex(dstmarks[b])))
+                adddst((b, None, dstmarks[b]))
             else:
                 invalid((b, None, None))
         elif b not in dstmarks:
-            addsrc((b, srchex(srcmarks[b]), None))
+            addsrc((b, srcmarks[b], None))
         else:
-            scid = srchex(srcmarks[b])
-            dcid = dsthex(dstmarks[b])
+            scid = srcmarks[b]
+            dcid = dstmarks[b]
             if scid == dcid:
                 same((b, scid, dcid))
             elif scid in repo and dcid in repo:
@@ -507,11 +496,17 @@
 
     return None
 
+def unhexlifybookmarks(marks):
+    binremotemarks = {}
+    for name, node in marks.items():
+        binremotemarks[name] = bin(node)
+    return binremotemarks
+
 def updatefromremote(ui, repo, remotemarks, path, trfunc, explicit=()):
     ui.debug("checking for updated bookmarks\n")
     localmarks = repo._bookmarks
     (addsrc, adddst, advsrc, advdst, diverge, differ, invalid, same
-     ) = comparebookmarks(repo, remotemarks, localmarks, dsthex=hex)
+    ) = comparebookmarks(repo, remotemarks, localmarks)
 
     status = ui.status
     warn = ui.warn
@@ -522,15 +517,15 @@
     changed = []
     for b, scid, dcid in addsrc:
         if scid in repo: # add remote bookmarks for changes we already have
-            changed.append((b, bin(scid), status,
+            changed.append((b, scid, status,
                             _("adding remote bookmark %s\n") % (b)))
         elif b in explicit:
             explicit.remove(b)
             ui.warn(_("remote bookmark %s points to locally missing %s\n")
-                    % (b, scid[:12]))
+                    % (b, hex(scid)[:12]))
 
     for b, scid, dcid in advsrc:
-        changed.append((b, bin(scid), status,
+        changed.append((b, scid, status,
                         _("updating bookmark %s\n") % (b)))
     # remove normal movement from explicit set
     explicit.difference_update(d[0] for d in changed)
@@ -538,13 +533,12 @@
     for b, scid, dcid in diverge:
         if b in explicit:
             explicit.discard(b)
-            changed.append((b, bin(scid), status,
+            changed.append((b, scid, status,
                             _("importing bookmark %s\n") % (b)))
         else:
-            snode = bin(scid)
-            db = _diverge(ui, b, path, localmarks, snode)
+            db = _diverge(ui, b, path, localmarks, scid)
             if db:
-                changed.append((db, snode, warn,
+                changed.append((db, scid, warn,
                                 _("divergent bookmark %s stored as %s\n") %
                                 (b, db)))
             else:
@@ -553,13 +547,13 @@
     for b, scid, dcid in adddst + advdst:
         if b in explicit:
             explicit.discard(b)
-            changed.append((b, bin(scid), status,
+            changed.append((b, scid, status,
                             _("importing bookmark %s\n") % (b)))
     for b, scid, dcid in differ:
         if b in explicit:
             explicit.remove(b)
             ui.warn(_("remote bookmark %s points to locally missing %s\n")
-                    % (b, scid[:12]))
+                    % (b, hex(scid)[:12]))
 
     if changed:
         tr = trfunc()
@@ -573,8 +567,8 @@
     '''
     ui.status(_("searching for changed bookmarks\n"))
 
-    r = comparebookmarks(repo, other.listkeys('bookmarks'), repo._bookmarks,
-                         dsthex=hex)
+    remotemarks = unhexlifybookmarks(other.listkeys('bookmarks'))
+    r = comparebookmarks(repo, remotemarks, repo._bookmarks)
     addsrc, adddst, advsrc, advdst, diverge, differ, invalid, same = r
 
     incomings = []
@@ -590,16 +584,16 @@
             incomings.append("   %-25s %s\n" % (b, getid(id)))
     for b, scid, dcid in addsrc:
         # i18n: "added" refers to a bookmark
-        add(b, scid, _('added'))
+        add(b, hex(scid), _('added'))
     for b, scid, dcid in advsrc:
         # i18n: "advanced" refers to a bookmark
-        add(b, scid, _('advanced'))
+        add(b, hex(scid), _('advanced'))
     for b, scid, dcid in diverge:
         # i18n: "diverged" refers to a bookmark
-        add(b, scid, _('diverged'))
+        add(b, hex(scid), _('diverged'))
     for b, scid, dcid in differ:
         # i18n: "changed" refers to a bookmark
-        add(b, scid, _('changed'))
+        add(b, hex(scid), _('changed'))
 
     if not incomings:
         ui.status(_("no changed bookmarks found\n"))
@@ -615,8 +609,8 @@
     '''
     ui.status(_("searching for changed bookmarks\n"))
 
-    r = comparebookmarks(repo, repo._bookmarks, other.listkeys('bookmarks'),
-                         srchex=hex)
+    remotemarks = unhexlifybookmarks(other.listkeys('bookmarks'))
+    r = comparebookmarks(repo, repo._bookmarks, remotemarks)
     addsrc, adddst, advsrc, advdst, diverge, differ, invalid, same = r
 
     outgoings = []
@@ -632,19 +626,19 @@
             outgoings.append("   %-25s %s\n" % (b, getid(id)))
     for b, scid, dcid in addsrc:
         # i18n: "added refers to a bookmark
-        add(b, scid, _('added'))
+        add(b, hex(scid), _('added'))
     for b, scid, dcid in adddst:
         # i18n: "deleted" refers to a bookmark
         add(b, ' ' * 40, _('deleted'))
     for b, scid, dcid in advsrc:
         # i18n: "advanced" refers to a bookmark
-        add(b, scid, _('advanced'))
+        add(b, hex(scid), _('advanced'))
     for b, scid, dcid in diverge:
         # i18n: "diverged" refers to a bookmark
-        add(b, scid, _('diverged'))
+        add(b, hex(scid), _('diverged'))
     for b, scid, dcid in differ:
         # i18n: "changed" refers to a bookmark
-        add(b, scid, _('changed'))
+        add(b, hex(scid), _('changed'))
 
     if not outgoings:
         ui.status(_("no changed bookmarks found\n"))
@@ -660,8 +654,8 @@
 
     This returns "(# of incoming, # of outgoing)" tuple.
     '''
-    r = comparebookmarks(repo, other.listkeys('bookmarks'), repo._bookmarks,
-                         dsthex=hex)
+    remotemarks = unhexlifybookmarks(other.listkeys('bookmarks'))
+    r = comparebookmarks(repo, remotemarks, repo._bookmarks)
     addsrc, adddst, advsrc, advdst, diverge, differ, invalid, same = r
     return (len(addsrc), len(adddst))
 
diff --git a/mercurial/exchange.py b/mercurial/exchange.py
--- a/mercurial/exchange.py
+++ b/mercurial/exchange.py
@@ -603,9 +603,21 @@
     explicit = set([repo._bookmarks.expandname(bookmark)
                     for bookmark in pushop.bookmarks])
 
-    comp = bookmod.comparebookmarks(repo, repo._bookmarks,
-                                    remotebookmark, srchex=hex)
+    remotebookmark = bookmod.unhexlifybookmarks(remotebookmark)
+    comp = bookmod.comparebookmarks(repo, repo._bookmarks, remotebookmark)
+
+    def safehex(x):
+        if x is None:
+            return x
+        return hex(x)
+
+    def hexifycompbookmarks(bookmarks):
+        for b, scid, dcid in bookmarks:
+            yield b, safehex(scid), safehex(dcid)
+
+    comp = [hexifycompbookmarks(marks) for marks in comp]
     addsrc, adddst, advsrc, advdst, diverge, differ, invalid, same = comp
+
     for b, scid, dcid in advsrc:
         if b in explicit:
             explicit.remove(b)
@@ -617,7 +629,7 @@
             explicit.remove(b)
             pushop.outbookmarks.append((b, '', scid))
     # search for overwritten bookmark
-    for b, scid, dcid in advdst + diverge + differ:
+    for b, scid, dcid in list(advdst) + list(diverge) + list(differ):
         if b in explicit:
             explicit.remove(b)
             pushop.outbookmarks.append((b, dcid, scid))
@@ -1456,6 +1468,7 @@
     pullop.stepsdone.add('bookmarks')
     repo = pullop.repo
     remotebookmarks = pullop.remotebookmarks
+    remotebookmarks = bookmod.unhexlifybookmarks(remotebookmarks)
     bookmod.updatefromremote(repo.ui, repo, remotebookmarks,
                              pullop.remote.url(),
                              pullop.gettransaction,
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