$ PYTHONPATH=$TESTDIR/..:$PYTHONPATH

  $ export PYTHONPATH

  $ . "$TESTDIR/remotefilelog-library.sh"

  $ hginit master

  $ cd master

  $ cat >> .hg/hgrc <<EOF

  > [remotefilelog]

  > server=True

  > EOF

  $ echo x > x

  $ echo z > z

  $ hg commit -qAm x

  $ echo x2 > x

  $ echo y > y

  $ hg commit -qAm y

  $ hg bookmark foo

  $ cd ..

# prefetch a revision

  $ hgcloneshallow ssh://user@dummy/master shallow --noupdate

  streaming all changes

  2 files to transfer, 528 bytes of data

  transferred 528 bytes in * seconds (*/sec) (glob)

  searching for changes

  no changes found

  $ cd shallow

  $ hg prefetch -r 0

  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)

  $ hg cat -r 0 x

  x

# prefetch with base

  $ clearcache

  $ hg prefetch -r 0::1 -b 0

  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)

  $ hg cat -r 1 x

  x2

  $ hg cat -r 1 y

  y

  $ hg cat -r 0 x

  x

  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)

  $ hg cat -r 0 z

  z

  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)

  $ hg prefetch -r 0::1 --base 0

  $ hg prefetch -r 0::1 -b 1

  $ hg prefetch -r 0::1

# prefetch a range of revisions

  $ clearcache

  $ hg prefetch -r 0::1

  4 files fetched over 1 fetches - (4 misses, 0.00% hit ratio) over *s (glob)

  $ hg cat -r 0 x

  x

  $ hg cat -r 1 x

  x2

# prefetch certain files

  $ clearcache

  $ hg prefetch -r 1 x

  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)

  $ hg cat -r 1 x

  x2

  $ hg cat -r 1 y

  y

  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)

# prefetch on pull when configured

  $ printf "[remotefilelog]\npullprefetch=bookmark()\n" >> .hg/hgrc

  $ hg strip tip

  saved backup bundle to $TESTTMP/shallow/.hg/strip-backup/109c3a557a73-3f43405e-backup.hg (glob)

  $ clearcache

  $ hg pull

  pulling from ssh://user@dummy/master

  searching for changes

  adding changesets

  adding manifests

  adding file changes

  added 1 changesets with 0 changes to 0 files

  updating bookmark foo

  new changesets 109c3a557a73

  (run 'hg update' to get a working copy)

  prefetching file contents

  3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)

  $ hg up tip

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

# prefetch only fetches changes not in working copy

  $ hg strip tip

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

  saved backup bundle to $TESTTMP/shallow/.hg/strip-backup/109c3a557a73-3f43405e-backup.hg (glob)

  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)

  $ clearcache

  $ hg pull

  pulling from ssh://user@dummy/master

  searching for changes

  adding changesets

  adding manifests

  adding file changes

  added 1 changesets with 0 changes to 0 files

  updating bookmark foo

  new changesets 109c3a557a73

  (run 'hg update' to get a working copy)

  prefetching file contents

  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)

# Make some local commits that produce the same file versions as are on the

# server. To simulate a situation where we have local commits that were somehow

# pushed, and we will soon pull.

  $ hg prefetch -r 'all()'

  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)

  $ hg strip -q -r 0

  $ echo x > x

  $ echo z > z

  $ hg commit -qAm x

  $ echo x2 > x

  $ echo y > y

  $ hg commit -qAm y

# prefetch server versions, even if local versions are available

  $ clearcache

  $ hg strip -q tip

  $ hg pull

  pulling from ssh://user@dummy/master

  searching for changes

  adding changesets

  adding manifests

  adding file changes

  added 1 changesets with 0 changes to 0 files

  updating bookmark foo

  new changesets 109c3a557a73

  1 local changesets published (?)

  (run 'hg update' to get a working copy)

  prefetching file contents

  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)

  $ cd ..

# Prefetch unknown files during checkout

  $ hgcloneshallow ssh://user@dummy/master shallow2

  streaming all changes

  2 files to transfer, 528 bytes of data

  transferred 528 bytes in * seconds * (glob)

  searching for changes

  no changes found

  updating to branch default

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

  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over * (glob)

  $ cd shallow2

  $ hg up -q null

  $ echo x > x

  $ echo y > y

  $ echo z > z

  $ clearcache

  $ hg up tip

  x: untracked file differs

  3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over * (glob)

  abort: untracked files in working directory differ from files in requested revision

  [255]

  $ hg revert --all

# Test batch fetching of lookup files during hg status

  $ hg up --clean tip

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

  $ hg debugrebuilddirstate

  $ clearcache

  $ hg status

  3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over * (glob)

# Prefetch during addrename detection

  $ hg up -q --clean tip

  $ hg revert --all

  $ mv x x2

  $ mv y y2

  $ mv z z2

  $ clearcache

  $ hg addremove -s 50 > /dev/null

  3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over * (glob)

# Revert across double renames. Note: the scary "abort", error is because

# https://bz.mercurial-scm.org/5419 .

  $ clearcache

  $ hg mv y y2

  $ hg mv x x2

  $ hg mv z2 z3

  $ hg revert -a -r 1 || true

  abort: z2@109c3a557a73: not found in manifest! (?)