tests/test-lfs.t

lfs: add a repo requirement for this extension once an lfs file is committed

Largefiles does the same thing (also delayed until the first largefile commit),
to prevent access to the repo without the extension.  In the case of this
extension, not having the extension loaded while accessing an lfs file results
in cryptic errors about "missing processor for flag '0x2000'".  If enabled
locally but not remotely, the cryptic error message is about no common
changegroup version.  (It wants '03', which is currently experimental.)

The largefiles extension looks for any tracked file that starts with '.hglf/'.
Unfortunately, that doesn't work here.  I didn't see any way to get the files
that were just committed, without doing a full status.  But since there's no
secondary check on adding an lfs file once the extension is loaded and a
threshold set, the best practice is to only enable this locally on a repo that
needs it.  That should minimize the unnecessary overhead for repos without an
lfs file.

# Initial setup

  $ cat >> $HGRCPATH << EOF
  > [extensions]
  > lfs=
  > [lfs]
  > threshold=1000B
  > EOF

  $ LONG=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

# Prepare server and enable extension
  $ hg init server
  $ hg clone -q server client
  $ cd client

# Commit small file
  $ echo s > smallfile
  $ hg commit -Aqm "add small file"

# Commit large file
  $ echo $LONG > largefile
  $ grep lfs .hg/requires
  [1]
  $ hg commit --traceback -Aqm "add large file"
  $ grep lfs .hg/requires
  lfs

# Ensure metadata is stored
  $ hg debugdata largefile 0
  version https://git-lfs.github.com/spec/v1
  oid sha256:f11e77c257047a398492d8d6cb9f6acf3aa7c4384bb23080b43546053e183e4b
  size 1501
  x-is-binary 0

# Check the blobstore is populated
  $ find .hg/store/lfs/objects | sort
  .hg/store/lfs/objects
  .hg/store/lfs/objects/f1
  .hg/store/lfs/objects/f1/1e77c257047a398492d8d6cb9f6acf3aa7c4384bb23080b43546053e183e4b

# Check the blob stored contains the actual contents of the file
  $ cat .hg/store/lfs/objects/f1/1e77c257047a398492d8d6cb9f6acf3aa7c4384bb23080b43546053e183e4b
  AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

# Push changes to the server

  $ hg push
  pushing to $TESTTMP/server (glob)
  searching for changes
  abort: lfs.url needs to be configured
  [255]

  $ cat >> $HGRCPATH << EOF
  > [lfs]
  > url=file:$TESTTMP/dummy-remote/
  > EOF

  $ hg push -v | egrep -v '^(uncompressed| )'
  pushing to $TESTTMP/server (glob)
  searching for changes
  2 changesets found
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files

# Unknown URL scheme

  $ hg push --config lfs.url=ftp://foobar
  abort: lfs: unknown url scheme: ftp
  [255]

  $ cd ../

# Initialize new client (not cloning) and setup extension
  $ hg init client2
  $ cd client2
  $ cat >> .hg/hgrc <<EOF
  > [paths]
  > default = $TESTTMP/server
  > EOF

# Pull from server
  $ hg pull default
  pulling from $TESTTMP/server (glob)
  requesting all changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files
  new changesets b29ba743f89d:00c137947d30
  (run 'hg update' to get a working copy)

# Check the blobstore is not yet populated
  $ [ -d .hg/store/lfs/objects ]
  [1]

# Update to the last revision containing the large file
  $ hg update
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

# Check the blobstore has been populated on update
  $ find .hg/store/lfs/objects | sort
  .hg/store/lfs/objects
  .hg/store/lfs/objects/f1
  .hg/store/lfs/objects/f1/1e77c257047a398492d8d6cb9f6acf3aa7c4384bb23080b43546053e183e4b

# Check the contents of the file are fetched from blobstore when requested
  $ hg cat -r . largefile
  AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

# Check the file has been copied in the working copy
  $ cat largefile
  AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

  $ cd ..

# Check rename, and switch between large and small files

  $ hg init repo3
  $ cd repo3
  $ cat >> .hg/hgrc << EOF
  > [lfs]
  > threshold=10B
  > EOF

  $ echo LONGER-THAN-TEN-BYTES-WILL-TRIGGER-LFS > large
  $ echo SHORTER > small
  $ hg add . -q
  $ hg commit -m 'commit with lfs content'

  $ hg mv large l
  $ hg mv small s
  $ hg commit -m 'renames'

  $ echo SHORT > l
  $ echo BECOME-LARGER-FROM-SHORTER > s
  $ hg commit -m 'large to small, small to large'

  $ echo 1 >> l
  $ echo 2 >> s
  $ hg commit -m 'random modifications'

  $ echo RESTORE-TO-BE-LARGE > l
  $ echo SHORTER > s
  $ hg commit -m 'switch large and small again'

# Test lfs_files template

  $ hg log -r 'all()' -T '{rev} {join(lfs_files, ", ")}\n'
  0 large
  1 l
  2 s
  3 s
  4 l

# Push and pull the above repo

  $ hg --cwd .. init repo4
  $ hg push ../repo4
  pushing to ../repo4
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 5 changesets with 10 changes to 4 files

  $ hg --cwd .. init repo5
  $ hg --cwd ../repo5 pull ../repo3
  pulling from ../repo3
  requesting all changes
  adding changesets
  adding manifests
  adding file changes
  added 5 changesets with 10 changes to 4 files
  new changesets fd47a419c4f7:5adf850972b9
  (run 'hg update' to get a working copy)

  $ cd ..

# Test clone

  $ hg init repo6
  $ cd repo6
  $ cat >> .hg/hgrc << EOF
  > [lfs]
  > threshold=30B
  > EOF

  $ echo LARGE-BECAUSE-IT-IS-MORE-THAN-30-BYTES > large
  $ echo SMALL > small
  $ hg commit -Aqm 'create a lfs file' large small
  $ hg debuglfsupload -r 'all()' -v

  $ cd ..

  $ hg clone repo6 repo7
  updating to branch default
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd repo7
  $ cat large
  LARGE-BECAUSE-IT-IS-MORE-THAN-30-BYTES
  $ cat small
  SMALL

  $ cd ..

# Test rename and status

  $ hg init repo8
  $ cd repo8
  $ cat >> .hg/hgrc << EOF
  > [lfs]
  > threshold=10B
  > EOF

  $ echo THIS-IS-LFS-BECAUSE-10-BYTES > a1
  $ echo SMALL > a2
  $ hg commit -m a -A a1 a2
  $ hg status
  $ hg mv a1 b1
  $ hg mv a2 a1
  $ hg mv b1 a2
  $ hg commit -m b
  $ hg status
  $ HEADER=$'\1\n'
  $ printf '%sSTART-WITH-HG-FILELOG-METADATA' "$HEADER" > a2
  $ printf '%sMETA\n' "$HEADER" > a1
  $ hg commit -m meta
  $ hg status
  $ hg log -T '{rev}: {file_copies} | {file_dels} | {file_adds}\n'
  2:  |  | 
  1: a1 (a2)a2 (a1) |  | 
  0:  |  | a1 a2

  $ for n in a1 a2; do
  >   for r in 0 1 2; do
  >     printf '\n%s @ %s\n' $n $r
  >     hg debugdata $n $r
  >   done
  > done
  
  a1 @ 0
  version https://git-lfs.github.com/spec/v1
  oid sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
  size 29
  x-is-binary 0
  
  a1 @ 1
  \x01 (esc)
  copy: a2
  copyrev: 50470ad23cf937b1f4b9f80bfe54df38e65b50d9
  \x01 (esc)
  SMALL
  
  a1 @ 2
  \x01 (esc)
  \x01 (esc)
  \x01 (esc)
  META
  
  a2 @ 0
  SMALL
  
  a2 @ 1
  version https://git-lfs.github.com/spec/v1
  oid sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
  size 29
  x-hg-copy a1
  x-hg-copyrev be23af27908a582af43e5cda209a5a9b319de8d4
  x-is-binary 0
  
  a2 @ 2
  version https://git-lfs.github.com/spec/v1
  oid sha256:876dadc86a8542f9798048f2c47f51dbf8e4359aed883e8ec80c5db825f0d943
  size 32
  x-is-binary 0

# Verify commit hashes include rename metadata

  $ hg log -T '{rev}:{node|short} {desc}\n'
  2:0fae949de7fa meta
  1:9cd6bdffdac0 b
  0:7f96794915f7 a

  $ cd ..

# Test bundle

  $ hg init repo9
  $ cd repo9
  $ cat >> .hg/hgrc << EOF
  > [lfs]
  > threshold=10B
  > [diff]
  > git=1
  > EOF

  $ for i in 0 single two three 4; do
  >   echo 'THIS-IS-LFS-'$i > a
  >   hg commit -m a-$i -A a
  > done

  $ hg update 2 -q
  $ echo 'THIS-IS-LFS-2-CHILD' > a
  $ hg commit -m branching -q

  $ hg bundle --base 1 bundle.hg -v
  4 changesets found
  uncompressed size of bundle content:
       * (changelog) (glob)
       * (manifests) (glob)
       *  a (glob)
  $ hg --config extensions.strip= strip -r 2 --no-backup --force -q
  $ hg -R bundle.hg log -p -T '{rev} {desc}\n' a
  5 branching
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-two
  +THIS-IS-LFS-2-CHILD
  
  4 a-4
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-three
  +THIS-IS-LFS-4
  
  3 a-three
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-two
  +THIS-IS-LFS-three
  
  2 a-two
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-single
  +THIS-IS-LFS-two
  
  1 a-single
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-0
  +THIS-IS-LFS-single
  
  0 a-0
  diff --git a/a b/a
  new file mode 100644
  --- /dev/null
  +++ b/a
  @@ -0,0 +1,1 @@
  +THIS-IS-LFS-0
  
  $ hg bundle -R bundle.hg --base 1 bundle-again.hg -q
  $ hg -R bundle-again.hg log -p -T '{rev} {desc}\n' a
  5 branching
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-two
  +THIS-IS-LFS-2-CHILD
  
  4 a-4
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-three
  +THIS-IS-LFS-4
  
  3 a-three
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-two
  +THIS-IS-LFS-three
  
  2 a-two
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-single
  +THIS-IS-LFS-two
  
  1 a-single
  diff --git a/a b/a
  --- a/a
  +++ b/a
  @@ -1,1 +1,1 @@
  -THIS-IS-LFS-0
  +THIS-IS-LFS-single
  
  0 a-0
  diff --git a/a b/a
  new file mode 100644
  --- /dev/null
  +++ b/a
  @@ -0,0 +1,1 @@
  +THIS-IS-LFS-0
  
  $ cd ..

# Test isbinary

  $ hg init repo10
  $ cd repo10
  $ cat >> .hg/hgrc << EOF
  > [extensions]
  > lfs=
  > [lfs]
  > threshold=1
  > EOF
  $ $PYTHON <<'EOF'
  > def write(path, content):
  >     with open(path, 'wb') as f:
  >         f.write(content)
  > write('a', b'\0\0')
  > write('b', b'\1\n')
  > write('c', b'\1\n\0')
  > write('d', b'xx')
  > EOF
  $ hg add a b c d
  $ hg diff --stat
   a |  Bin 
   b |    1 +
   c |  Bin 
   d |    1 +
   4 files changed, 2 insertions(+), 0 deletions(-)
  $ hg commit -m binarytest
  $ cat > $TESTTMP/dumpbinary.py << EOF
  > def reposetup(ui, repo):
  >     for n in 'abcd':
  >         ui.write(('%s: binary=%s\n') % (n, repo['.'][n].isbinary()))
  > EOF
  $ hg --config extensions.dumpbinary=$TESTTMP/dumpbinary.py id --trace
  a: binary=True
  b: binary=False
  c: binary=True
  d: binary=False
  b55353847f02 tip

  $ cd ..

# Test fctx.cmp fastpath - diff without LFS blobs

  $ hg init repo11
  $ cd repo11
  $ cat >> .hg/hgrc <<EOF
  > [lfs]
  > threshold=1
  > EOF
  $ cat > ../patch.diff <<EOF
  > # HG changeset patch
  > 2
  > 
  > diff --git a/a b/a
  > old mode 100644
  > new mode 100755
  > EOF

  $ for i in 1 2 3; do
  >     cp ../repo10/a a
  >     if [ $i = 3 ]; then
  >         # make a content-only change
  >         hg import -q --bypass ../patch.diff
  >         hg update -q
  >         rm ../patch.diff
  >     else
  >         echo $i >> a
  >         hg commit -m $i -A a
  >     fi
  > done
  $ [ -d .hg/store/lfs/objects ]

  $ cd ..

  $ hg clone repo11 repo12 --noupdate
  $ cd repo12
  $ hg log --removed -p a -T '{desc}\n' --config diff.nobinary=1 --git
  2
  diff --git a/a b/a
  old mode 100644
  new mode 100755
  
  2
  diff --git a/a b/a
  Binary file a has changed
  
  1
  diff --git a/a b/a
  new file mode 100644
  Binary file a has changed
  
  $ [ -d .hg/store/lfs/objects ]
  [1]

  $ cd ..

# Verify the repos

  $ cat > $TESTTMP/dumpflog.py << EOF
  > # print raw revision sizes, flags, and hashes for certain files
  > import hashlib
  > from mercurial import revlog
  > from mercurial.node import short
  > def hash(rawtext):
  >     h = hashlib.sha512()
  >     h.update(rawtext)
  >     return h.hexdigest()[:4]
  > def reposetup(ui, repo):
  >     # these 2 files are interesting
  >     for name in ['l', 's']:
  >         fl = repo.file(name)
  >         if len(fl) == 0:
  >             continue
  >         sizes = [revlog.revlog.rawsize(fl, i) for i in fl]
  >         texts = [fl.revision(i, raw=True) for i in fl]
  >         flags = [int(fl.flags(i)) for i in fl]
  >         hashes = [hash(t) for t in texts]
  >         print('  %s: rawsizes=%r flags=%r hashes=%r'
  >               % (name, sizes, flags, hashes))
  > EOF

  $ for i in client client2 server repo3 repo4 repo5 repo6 repo7 repo8 repo9 \
  >          repo10; do
  >   echo 'repo:' $i
  >   hg --cwd $i verify --config extensions.dumpflog=$TESTTMP/dumpflog.py -q
  > done
  repo: client
  repo: client2
  repo: server
  repo: repo3
    l: rawsizes=[211, 6, 8, 141] flags=[8192, 0, 0, 8192] hashes=['d2b8', '948c', 'cc88', '724d']
    s: rawsizes=[74, 141, 141, 8] flags=[0, 8192, 8192, 0] hashes=['3c80', 'fce0', '874a', '826b']
  repo: repo4
    l: rawsizes=[211, 6, 8, 141] flags=[8192, 0, 0, 8192] hashes=['d2b8', '948c', 'cc88', '724d']
    s: rawsizes=[74, 141, 141, 8] flags=[0, 8192, 8192, 0] hashes=['3c80', 'fce0', '874a', '826b']
  repo: repo5
    l: rawsizes=[211, 6, 8, 141] flags=[8192, 0, 0, 8192] hashes=['d2b8', '948c', 'cc88', '724d']
    s: rawsizes=[74, 141, 141, 8] flags=[0, 8192, 8192, 0] hashes=['3c80', 'fce0', '874a', '826b']
  repo: repo6
  repo: repo7
  repo: repo8
  repo: repo9
  repo: repo10