largefiles: drop --cache-largefiles again

This goes a step further than d69585a5c5c0 and backs out the unreleased
--cache-largefiles option. The same can be achieved with --lfrev heads(pulled()) and
we shouldn't introduce unnecessary command line options.

hgext/largefiles/__init__.py

@@ -59,8 +59,6 b' the same time, then you can pull with `-'
 If you just want to ensure that you will have the largefiles needed to
 merge or rebase with new heads that you are pulling, then you can pull
 with `--lfrev "head(pulled())"` flag to pre-emptively download any largefiles
-that are new in the heads you are pulling. You can also pull with the
-`--cache-largefiles` flag to pre-emptively download any largefiles
 that are new in the heads you are pulling.
 
 Keep in mind that network access may now be required to update to

hgext/largefiles/lfutil.py

@@ -398,14 +398,6 b' class storeprotonotcapable(Exception):'
     def __init__(self, storetypes):
         self.storetypes = storetypes
 
-def getcurrentheads(repo):
-    branches = repo.branchmap()
-    heads = []
-    for branch in branches:
-        newheads = repo.branchheads(branch)
-        heads = heads + newheads
-    return heads
-
 def getstandinsstate(repo):
     standins = []
     matcher = getstandinmatcher(repo)

hgext/largefiles/overrides.py

@@ -730,23 +730,7 b' def overridepull(orig, ui, repo, source='
         finally:
             repo._isrebasing = False
     else:
-        oldheads = lfutil.getcurrentheads(repo)
         result = orig(ui, repo, source, **opts)
-        if opts.get('cache_largefiles'):
-            # If you are pulling from a remote location that is not your
-            # default location, you may want to cache largefiles for new heads
-            # that have been pulled, so you can easily merge or rebase with
-            # them later
-            numcached = 0
-            heads = lfutil.getcurrentheads(repo)
-            newheads = set(heads).difference(set(oldheads))
-            if len(newheads) > 0:
-                ui.status(_("caching largefiles for %s heads\n") %
-                          len(newheads))
-            for head in newheads:
-                (cached, missing) = lfcommands.cachelfiles(ui, repo, head)
-                numcached += len(cached)
-            ui.status(_("%d largefiles cached\n") % numcached)
     revspostpull = len(repo)
     if opts.get('all_largefiles'):
         revs = []

hgext/largefiles/uisetup.py

@@ -80,8 +80,6 b' def uisetup(ui):'
                                    overrides.overridepull)
     pullopt = [('', 'all-largefiles', None,
                  _('download all pulled versions of largefiles')),
-               ('', 'cache-largefiles', None,
-                 _('caches new largefiles in all pulled heads')),
                ('', 'lfrev', [],
                 _('download largefiles for these revisions'), _('REV'))]
     entry[1].extend(pullopt)

tests/test-largefiles.t

@@ -1391,7 +1391,7 b' correctly.'
   Invoking status precommit hook
   M sub/large4
 # Test --cache-largefiles flag
-  $ hg pull --cache-largefiles ../e
+  $ hg pull --lfrev 'heads(pulled())' ../e
   pulling from ../e
   searching for changes
   adding changesets
@@ -1399,7 +1399,6 b' correctly.'
   adding file changes
   added 2 changesets with 4 changes to 4 files (+1 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
-  caching largefiles for 1 heads
   2 largefiles cached
   $ hg merge
   merging sub/large4