largefiles: fix off-by-one error on pull --all-largefiles stable

largefiles: fix off-by-one error on pull --all-largefiles

Test output is changed in a case where one revision was pulled, but because of
the off-by-one error it thought that 0 revisions were pulled ... and because of
another bug it thus (tried to) fetch largefiles for all revisions.

After this change it no longer reports failure when it failed while trying to
fetch largefiles it shouldn't fetch.  Largefiles that it shouldn't fetch but
managed to fetch anyway will now correctly be missing later on.

This change thus resolves some of unexplained test output introduced in
1e4eb1faba6e.

--- a/hgext/largefiles/overrides.py	Mon Feb 18 00:04:28 2013 +0900
+++ b/hgext/largefiles/overrides.py	Thu Feb 28 13:44:22 2013 +0100
@@ -746,7 +746,7 @@
     if opts.get('all_largefiles'):
         revspostpull = len(repo)
         revs = []
-        for rev in xrange(revsprepull + 1, revspostpull):
+        for rev in xrange(revsprepull, revspostpull):
             revs.append(repo[rev].rev())
         lfcommands.downloadlfiles(ui, repo, revs)
     return result

--- a/tests/test-largefiles.t	Mon Feb 18 00:04:28 2013 +0900
+++ b/tests/test-largefiles.t	Thu Feb 28 13:44:22 2013 +0100
@@ -919,8 +919,12 @@
   $ cd d
 
 More rebase testing, but also test that the largefiles are downloaded from
-'default' instead of 'default-push' when no source is specified (issue3584).
-The error messages go away if repo 'b' is created with --all-largefiles.
+'default-push' when no source is specified (issue3584). (The largefile from the
+pulled revision is however not downloaded but found in the local cache.)
+Largefiles are fetched for the new pulled revision, not for existing revisions,
+rebased or not.
+
+  $ [ ! -f .hg/largefiles/e166e74c7303192238d60af5a9c4ce9bef0b7928 ]
   $ hg pull --rebase --all-largefiles --config paths.default-push=bogus/path --config paths.default=../b
   pulling from $TESTTMP/b (glob)
   searching for changes
@@ -932,18 +936,9 @@
   M sub/normal4
   M sub2/large6
   saved backup bundle to $TESTTMP/d/.hg/strip-backup/f574fb32bb45-backup.hg (glob)
-  error getting id eb7338044dc27f9bc59b8dd5a246b065ead7a9c4 from url file:$TESTTMP/b for file large3: can't get file locally (glob)
-  error getting id eb7338044dc27f9bc59b8dd5a246b065ead7a9c4 from url file:$TESTTMP/b for file sub/large4: can't get file locally (glob)
-  error getting id eb7338044dc27f9bc59b8dd5a246b065ead7a9c4 from url file:$TESTTMP/b for file large1: can't get file locally (glob)
-  error getting id eb7338044dc27f9bc59b8dd5a246b065ead7a9c4 from url file:$TESTTMP/b for file sub/large2: can't get file locally (glob)
-  error getting id eb7338044dc27f9bc59b8dd5a246b065ead7a9c4 from url file:$TESTTMP/b for file sub/large2: can't get file locally (glob)
-  error getting id 5f78770c0e77ba4287ad6ef3071c9bf9c379742f from url file:$TESTTMP/b for file large1: can't get file locally (glob)
-  error getting id eb7338044dc27f9bc59b8dd5a246b065ead7a9c4 from url file:$TESTTMP/b for file sub/large2: can't get file locally (glob)
-  error getting id 4669e532d5b2c093a78eca010077e708a071bb64 from url file:$TESTTMP/b for file large1: can't get file locally (glob)
-  error getting id 1deebade43c8c498a3c8daddac0244dc55d1331d from url file:$TESTTMP/b for file sub/large2: can't get file locally (glob)
   0 additional largefiles cached
-  9 largefiles failed to download
   nothing to rebase
+  $ [ -f .hg/largefiles/e166e74c7303192238d60af5a9c4ce9bef0b7928 ]
   $ hg log --template '{rev}:{node|short}  {desc|firstline}\n'
   9:598410d3eb9a  modify normal file largefile in repo d
   8:a381d2c8c80e  modify normal file and largefile in repo b
@@ -1255,6 +1250,12 @@
     ($TESTTMP/d/.hg/largefiles/eb7338044dc27f9bc59b8dd5a246b065ead7a9c4: (glob)
     expected hash eb7338044dc27f9bc59b8dd5a246b065ead7a9c4,
     but got cfef678f24d3e339944138ecdd8fd85ca21d820f)
+  changeset 5:9d5af5072dbd: large3 missing
+    (looked for hash baaf12afde9d8d67f25dab6dced0d2bf77dba47c)
+  changeset 5:9d5af5072dbd: sub/large4 missing
+    (looked for hash aeb2210d19f02886dde00dac279729a48471e2f9)
+  changeset 6:4355d653f84f: large3 missing
+    (looked for hash 7838695e10da2bb75ac1156565f40a2595fa2fa0)
   verified contents of 15 revisions of 6 largefiles
   [1]