$ USERCACHE="$TESTTMP/cache"; export USERCACHE

  $ mkdir "${USERCACHE}"

  $ cat >> $HGRCPATH <<EOF

  > [extensions]

  > largefiles =

  > share =

  > graphlog =

  > mq =

  > convert =

  > [largefiles]

  > minsize = 0.5

  > patterns = **.other

  >     **.dat

  > usercache=${USERCACHE}

  > EOF

"lfconvert" works

  $ hg init bigfile-repo

  $ cd bigfile-repo

  $ cat >> .hg/hgrc <<EOF

  > [extensions]

  > largefiles = !

  > EOF

  $ mkdir sub

  $ dd if=/dev/zero bs=1k count=256 > large 2> /dev/null

  $ dd if=/dev/zero bs=1k count=256 > large2 2> /dev/null

  $ echo normal > normal1

  $ echo alsonormal > sub/normal2

  $ dd if=/dev/zero bs=1k count=10 > sub/maybelarge.dat 2> /dev/null

  $ hg addremove

  adding large

  adding large2

  adding normal1

  adding sub/maybelarge.dat

  adding sub/normal2

  $ hg commit -m"add large, normal1" large normal1

  $ hg commit -m"add sub/*" sub

Test tag parsing

  $ cat >> .hgtags <<EOF

  > IncorrectlyFormattedTag!

  > invalidhash sometag

  > 0123456789abcdef anothertag

  > EOF

  $ hg add .hgtags

  $ hg commit -m"add large2" large2 .hgtags

Test link+rename largefile codepath

  $ [ -d .hg/largefiles ] && echo fail || echo pass

  pass

  $ cd ..

  $ hg lfconvert --size 0.2 bigfile-repo largefiles-repo

  initializing destination largefiles-repo

  skipping incorrectly formatted tag IncorrectlyFormattedTag!

  skipping incorrectly formatted id invalidhash

  no mapping for id 0123456789abcdef

#if symlink

  $ hg --cwd bigfile-repo rename large2 large3

  $ ln -sf large bigfile-repo/large3

  $ hg --cwd bigfile-repo commit -m"make large2 a symlink" large2 large3

  $ hg lfconvert --size 0.2 bigfile-repo largefiles-repo-symlink

  initializing destination largefiles-repo-symlink

  skipping incorrectly formatted tag IncorrectlyFormattedTag!

  skipping incorrectly formatted id invalidhash

  no mapping for id 0123456789abcdef

  abort: renamed/copied largefile large3 becomes symlink

  [255]

#endif

  $ cd bigfile-repo

  $ hg strip --no-backup 2

  0 files updated, 0 files merged, 2 files removed, 0 files unresolved

  $ cd ..

  $ rm -rf largefiles-repo largefiles-repo-symlink

  $ hg lfconvert --size 0.2 bigfile-repo largefiles-repo

  initializing destination largefiles-repo

"lfconvert" converts content correctly

  $ cd largefiles-repo

  $ hg up

  getting changed largefiles

  2 largefiles updated, 0 removed

  4 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg locate

  .hglf/large

  .hglf/sub/maybelarge.dat

  normal1

  sub/normal2

  $ cat normal1

  normal

  $ cat sub/normal2

  alsonormal

  $ "$TESTDIR/md5sum.py" large sub/maybelarge.dat

  ec87a838931d4d5d2e94a04644788a55  large

  1276481102f218c981e0324180bafd9f  sub/maybelarge.dat

"lfconvert" adds 'largefiles' to .hg/requires.

  $ cat .hg/requires

  dotencode

  fncache

  largefiles

  revlogv1

  store

"lfconvert" includes a newline at the end of the standin files.

  $ cat .hglf/large .hglf/sub/maybelarge.dat

  2e000fa7e85759c7f4c254d4d9c33ef481e459a7

  34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c

  $ cd ..

add some changesets to rename/remove/merge

  $ cd bigfile-repo

  $ hg mv -q sub stuff

  $ hg commit -m"rename sub/ to stuff/"

  $ hg update -q 1

  $ echo blah >> normal3

  $ echo blah >> sub/normal2

  $ echo blah >> sub/maybelarge.dat

  $ "$TESTDIR/md5sum.py" sub/maybelarge.dat

  1dd0b99ff80e19cff409702a1d3f5e15  sub/maybelarge.dat

  $ hg commit -A -m"add normal3, modify sub/*"

  adding normal3

  created new head

  $ hg rm large normal3

  $ hg commit -q -m"remove large, normal3"

  $ hg merge

  merging sub/maybelarge.dat and stuff/maybelarge.dat to stuff/maybelarge.dat

  warning: $TESTTMP/bigfile-repo/stuff/maybelarge.dat looks like a binary file. (glob)

  merging stuff/maybelarge.dat incomplete! (edit conflicts, then use 'hg resolve --mark')

  merging sub/normal2 and stuff/normal2 to stuff/normal2

  0 files updated, 1 files merged, 0 files removed, 1 files unresolved

  use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon

  [1]

  $ hg cat -r . sub/maybelarge.dat > stuff/maybelarge.dat

  $ hg resolve -m stuff/maybelarge.dat

  $ hg commit -m"merge"

  $ hg glog --template "{rev}:{node|short}  {desc|firstline}\n"

  @    5:4884f215abda  merge

  |\

  | o  4:7285f817b77e  remove large, normal3

  | |

  | o  3:67e3892e3534  add normal3, modify sub/*

  | |

  o |  2:c96c8beb5d56  rename sub/ to stuff/

  |/

  o  1:020c65d24e11  add sub/*

  |

  o  0:117b8328f97a  add large, normal1

  $ cd ..

lfconvert with rename, merge, and remove

  $ rm -rf largefiles-repo

  $ hg lfconvert --size 0.2 bigfile-repo largefiles-repo

  initializing destination largefiles-repo

  $ cd largefiles-repo

  $ hg glog --template "{rev}:{node|short}  {desc|firstline}\n"

  o    5:8e05f5f2b77e  merge

  |\

  | o  4:a5a02de7a8e4  remove large, normal3

  | |

  | o  3:55759520c76f  add normal3, modify sub/*

  | |

  o |  2:261ad3f3f037  rename sub/ to stuff/

  |/

  o  1:334e5237836d  add sub/*

  |

  o  0:d4892ec57ce2  add large, normal1

  $ hg locate -r 2

  .hglf/large

  .hglf/stuff/maybelarge.dat

  normal1

  stuff/normal2

  $ hg locate -r 3

  .hglf/large

  .hglf/sub/maybelarge.dat

  normal1

  normal3

  sub/normal2

  $ hg locate -r 4

  .hglf/sub/maybelarge.dat

  normal1

  sub/normal2

  $ hg locate -r 5

  .hglf/stuff/maybelarge.dat

  normal1

  stuff/normal2

  $ hg update

  getting changed largefiles

  1 largefiles updated, 0 removed

  3 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cat stuff/normal2

  alsonormal

  blah

  $ "$TESTDIR/md5sum.py" stuff/maybelarge.dat

  1dd0b99ff80e19cff409702a1d3f5e15  stuff/maybelarge.dat

  $ cat .hglf/stuff/maybelarge.dat

  76236b6a2c6102826c61af4297dd738fb3b1de38

  $ cd ..

"lfconvert" error cases

  $ hg lfconvert http://localhost/foo foo

  abort: http://localhost/foo is not a local Mercurial repo

  [255]

  $ hg lfconvert foo ssh://localhost/foo

  abort: ssh://localhost/foo is not a local Mercurial repo

  [255]

  $ hg lfconvert nosuchrepo foo

  abort: repository nosuchrepo not found!

  [255]

  $ hg share -q -U bigfile-repo shared

  $ printf 'bogus' > shared/.hg/sharedpath

  $ hg lfconvert shared foo

  abort: .hg/sharedpath points to nonexistent directory $TESTTMP/bogus! (glob)

  [255]

  $ hg lfconvert bigfile-repo largefiles-repo

  initializing destination largefiles-repo

  abort: repository largefiles-repo already exists!

  [255]

add another largefile to the new largefiles repo

  $ cd largefiles-repo

  $ dd if=/dev/zero bs=1k count=1k > anotherlarge 2> /dev/null

  $ hg add --lfsize=1 anotherlarge

  $ hg commit -m "add anotherlarge (should be a largefile)"

  $ cat .hglf/anotherlarge

  3b71f43ff30f4b15b5cd85dd9e95ebc7e84eb5a3

  $ cd ..

round-trip: converting back to a normal (non-largefiles) repo with

"lfconvert --to-normal" should give the same as ../bigfile-repo

  $ cd largefiles-repo

  $ hg lfconvert --to-normal . ../normal-repo

  initializing destination ../normal-repo

  $ cd ../normal-repo

  $ cat >> .hg/hgrc <<EOF

  > [extensions]

  > largefiles = !

  > EOF

# Hmmm: the changeset ID for rev 5 is different from the original

# normal repo (../bigfile-repo), because the changelog filelist

# differs between the two incarnations of rev 5: this repo includes

# 'large' in the list, but ../bigfile-repo does not. Since rev 5

# removes 'large' relative to the first parent in both repos, it seems

# to me that lfconvert is doing a *better* job than

# "hg remove" + "hg merge" + "hg commit".

#  $ hg -R ../bigfile-repo debugdata -c 5

#  $ hg debugdata -c 5

  $ hg glog --template "{rev}:{node|short}  {desc|firstline}\n"

  o  6:1635824e6f59  add anotherlarge (should be a largefile)

  |

  o    5:7215f8deeaaf  merge

  |\

  | o  4:7285f817b77e  remove large, normal3

  | |

  | o  3:67e3892e3534  add normal3, modify sub/*

  | |

  o |  2:c96c8beb5d56  rename sub/ to stuff/

  |/

  o  1:020c65d24e11  add sub/*

  |

  o  0:117b8328f97a  add large, normal1

  $ hg update

  4 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ hg locate

  anotherlarge

  normal1

  stuff/maybelarge.dat

  stuff/normal2

  $ [ -d .hg/largefiles ] && echo fail || echo pass

  pass

  $ cd ..

Clearing the usercache ensures that commitctx doesn't try to cache largefiles

from the working dir on a convert.

  $ rm "${USERCACHE}"/*

  $ hg convert largefiles-repo

  assuming destination largefiles-repo-hg

  initializing destination largefiles-repo-hg repository

  scanning source...

  sorting...

  converting...

  6 add large, normal1

  5 add sub/*

  4 rename sub/ to stuff/

  3 add normal3, modify sub/*

  2 remove large, normal3

  1 merge

  0 add anotherlarge (should be a largefile)

  $ hg -R largefiles-repo-hg glog --template "{rev}:{node|short}  {desc|firstline}\n"

  o  6:17126745edfd  add anotherlarge (should be a largefile)

  |

  o    5:9cc5aa7204f0  merge

  |\

  | o  4:a5a02de7a8e4  remove large, normal3

  | |

  | o  3:55759520c76f  add normal3, modify sub/*

  | |

  o |  2:261ad3f3f037  rename sub/ to stuff/

  |/

  o  1:334e5237836d  add sub/*

  |

  o  0:d4892ec57ce2  add large, normal1

Verify will fail (for now) if the usercache is purged before converting, since

largefiles are not cached in the converted repo's local store by the conversion

process.

  $ hg -R largefiles-repo-hg verify --large --lfa

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  8 files, 7 changesets, 12 total revisions

  searching 7 changesets for largefiles

  changeset 0:d4892ec57ce2: large missing

    (looked for hash 2e000fa7e85759c7f4c254d4d9c33ef481e459a7)

  changeset 1:334e5237836d: sub/maybelarge.dat missing

    (looked for hash 34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c)

  changeset 2:261ad3f3f037: stuff/maybelarge.dat missing

    (looked for hash 34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c)

  changeset 3:55759520c76f: sub/maybelarge.dat missing

    (looked for hash 76236b6a2c6102826c61af4297dd738fb3b1de38)

  changeset 5:9cc5aa7204f0: stuff/maybelarge.dat missing

    (looked for hash 76236b6a2c6102826c61af4297dd738fb3b1de38)

  changeset 6:17126745edfd: anotherlarge missing

    (looked for hash 3b71f43ff30f4b15b5cd85dd9e95ebc7e84eb5a3)

  verified existence of 6 revisions of 4 largefiles

  [1]

  $ hg -R largefiles-repo-hg showconfig paths

Avoid a traceback if a largefile isn't available (issue3519)

Ensure the largefile can be cached in the source if necessary

  $ hg clone -U largefiles-repo issue3519

  $ rm -f "${USERCACHE}"/*

  $ hg lfconvert --to-normal issue3519 normalized3519

  initializing destination normalized3519

Ensure the abort message is useful if a largefile is entirely unavailable

  $ rm -rf normalized3519

  $ rm "${USERCACHE}"/*

  $ rm issue3519/.hg/largefiles/*

  $ rm largefiles-repo/.hg/largefiles/*

  $ hg lfconvert --to-normal issue3519 normalized3519

  initializing destination normalized3519

  abort: missing largefile 'large' from revision d4892ec57ce212905215fad1d9018f56b99202ad

  [255]