view tests/test-rename.t @ 39641:aa7e312375cf

wireprotov2: let clients drive delta behavior

Previously, the "manifestdata" and "filedata" commands assumed the
receiver had all parent revisions for requested nodes. Unless the
revision had no parents, they emitted a delta instead of a fulltext.

This strategy isn't appropriate for shallow clones and for clients
that only want to access fulltext revision data for a single node
without fetching their parent revisions.

This commit adds an "haveparents" argument to the "manifestdata"
and "filedata" commands that controls delta generation behavior.

Unless "haveparents" is set, the server assumes that the client
doesn't have parent revisions unless they were previously sent
as part of the current group of revisions.

This change allows the fulltext revision data of any individual
revision to be obtained. This will facilitate shallow clones
and other data retrieval strategies that don't require all previous
revisions of an entity to be fetched.

Differential Revision: https://phab.mercurial-scm.org/D4492

  $ hg init
  $ mkdir d1 d1/d11 d2
  $ echo d1/a > d1/a
  $ echo d1/ba > d1/ba
  $ echo d1/a1 > d1/d11/a1
  $ echo d1/b > d1/b
  $ echo d2/b > d2/b
  $ hg add d1/a d1/b d1/ba d1/d11/a1 d2/b
  $ hg commit -m "1"

rename a single file

  $ hg rename d1/d11/a1 d2/c
  $ hg --config ui.portablefilenames=abort rename d1/a d1/con.xml
  abort: filename contains 'con', which is reserved on Windows: d1/con.xml
  [255]
  $ hg sum
  parent: 0:9b4b6e7b2c26 tip
   1
  branch: default
  commit: 1 renamed
  update: (current)
  phases: 1 draft
  $ hg status -C
  A d2/c
    d1/d11/a1
  R d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d2/c

rename a single file using absolute paths

  $ hg rename `pwd`/d1/d11/a1 `pwd`/d2/c
  $ hg status -C
  A d2/c
    d1/d11/a1
  R d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d2/c

rename --after a single file

  $ mv d1/d11/a1 d2/c
  $ hg rename --after d1/d11/a1 d2/c
  $ hg status -C
  A d2/c
    d1/d11/a1
  R d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d2/c

rename --after a single file when src and tgt already tracked

  $ mv d1/d11/a1 d2/c
  $ hg addrem -s 0
  removing d1/d11/a1
  adding d2/c
  $ hg rename --after d1/d11/a1 d2/c
  $ hg status -C
  A d2/c
    d1/d11/a1
  R d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d2/c

rename --after a single file to a nonexistent target filename

  $ hg rename --after d1/a dummy
  d1/a: not recording move - dummy does not exist
  [1]

move a single file to an existing directory

  $ hg rename d1/d11/a1 d2
  $ hg status -C
  A d2/a1
    d1/d11/a1
  R d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d2/a1

move --after a single file to an existing directory

  $ mv d1/d11/a1 d2
  $ hg rename --after d1/d11/a1 d2
  $ hg status -C
  A d2/a1
    d1/d11/a1
  R d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d2/a1

rename a file using a relative path

  $ (cd d1/d11; hg rename ../../d2/b e)
  $ hg status -C
  A d1/d11/e
    d2/b
  R d2/b
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d1/d11/e

rename --after a file using a relative path

  $ (cd d1/d11; mv ../../d2/b e; hg rename --after ../../d2/b e)
  $ hg status -C
  A d1/d11/e
    d2/b
  R d2/b
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d1/d11/e

rename directory d1 as d3

  $ hg rename d1/ d3
  moving d1/a to d3/a
  moving d1/b to d3/b
  moving d1/ba to d3/ba
  moving d1/d11/a1 to d3/d11/a1
  $ hg status -C
  A d3/a
    d1/a
  A d3/b
    d1/b
  A d3/ba
    d1/ba
  A d3/d11/a1
    d1/d11/a1
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  $ hg update -C
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d3

rename --after directory d1 as d3

  $ mv d1 d3
  $ hg rename --after d1 d3
  moving d1/a to d3/a
  moving d1/b to d3/b
  moving d1/ba to d3/ba
  moving d1/d11/a1 to d3/d11/a1
  $ hg status -C
  A d3/a
    d1/a
  A d3/b
    d1/b
  A d3/ba
    d1/ba
  A d3/d11/a1
    d1/d11/a1
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  $ hg update -C
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d3

move a directory using a relative path

  $ (cd d2; mkdir d3; hg rename ../d1/d11 d3)
  moving ../d1/d11/a1 to d3/d11/a1
  $ hg status -C
  A d2/d3/d11/a1
    d1/d11/a1
  R d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d2/d3

move --after a directory using a relative path

  $ (cd d2; mkdir d3; mv ../d1/d11 d3; hg rename --after ../d1/d11 d3)
  moving ../d1/d11/a1 to d3/d11/a1
  $ hg status -C
  A d2/d3/d11/a1
    d1/d11/a1
  R d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d2/d3

move directory d1/d11 to an existing directory d2 (removes empty d1)

  $ hg rename d1/d11/ d2
  moving d1/d11/a1 to d2/d11/a1
  $ hg status -C
  A d2/d11/a1
    d1/d11/a1
  R d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d2/d11

move directories d1 and d2 to a new directory d3

  $ mkdir d3
  $ hg rename d1 d2 d3
  moving d1/a to d3/d1/a
  moving d1/b to d3/d1/b
  moving d1/ba to d3/d1/ba
  moving d1/d11/a1 to d3/d1/d11/a1
  moving d2/b to d3/d2/b
  $ hg status -C
  A d3/d1/a
    d1/a
  A d3/d1/b
    d1/b
  A d3/d1/ba
    d1/ba
  A d3/d1/d11/a1
    d1/d11/a1
  A d3/d2/b
    d2/b
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  R d2/b
  $ hg update -C
  5 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d3

move --after directories d1 and d2 to a new directory d3

  $ mkdir d3
  $ mv d1 d2 d3
  $ hg rename --after d1 d2 d3
  moving d1/a to d3/d1/a
  moving d1/b to d3/d1/b
  moving d1/ba to d3/d1/ba
  moving d1/d11/a1 to d3/d1/d11/a1
  moving d2/b to d3/d2/b
  $ hg status -C
  A d3/d1/a
    d1/a
  A d3/d1/b
    d1/b
  A d3/d1/ba
    d1/ba
  A d3/d1/d11/a1
    d1/d11/a1
  A d3/d2/b
    d2/b
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  R d2/b
  $ hg update -C
  5 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d3

move everything under directory d1 to existing directory d2, do not
overwrite existing files (d2/b)

  $ hg rename d1/* d2
  d2/b: not overwriting - file already committed
  ('hg rename --force' to replace the file by recording a rename)
  moving d1/d11/a1 to d2/d11/a1
  [1]
  $ hg status -C
  A d2/a
    d1/a
  A d2/ba
    d1/ba
  A d2/d11/a1
    d1/d11/a1
  R d1/a
  R d1/ba
  R d1/d11/a1
  $ diff -u d1/b d2/b
  --- d1/b	* (glob)
  +++ d2/b	* (glob)
  @@ * (glob)
  -d1/b
  +d2/b
  [1]
  $ hg update -C
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d2/a d2/ba d2/d11/a1

attempt to move one file into a non-existent directory

  $ hg rename d1/a dx/
  abort: destination dx/ is not a directory
  [255]
  $ hg status -C
  $ hg update -C
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved

attempt to move potentially more than one file into a non-existent directory

  $ hg rename 'glob:d1/**' dx
  abort: with multiple sources, destination must be an existing directory
  [255]

move every file under d1 to d2/d21

  $ mkdir d2/d21
  $ hg rename 'glob:d1/**' d2/d21
  moving d1/a to d2/d21/a
  moving d1/b to d2/d21/b
  moving d1/ba to d2/d21/ba
  moving d1/d11/a1 to d2/d21/a1
  $ hg status -C
  A d2/d21/a
    d1/a
  A d2/d21/a1
    d1/d11/a1
  A d2/d21/b
    d1/b
  A d2/d21/ba
    d1/ba
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  $ hg update -C
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d2/d21

move --after some files under d1 to d2/d21

  $ mkdir d2/d21
  $ mv d1/a d1/d11/a1 d2/d21
  $ hg rename --after 'glob:d1/**' d2/d21
  moving d1/a to d2/d21/a
  d1/b: not recording move - d2/d21/b does not exist
  d1/ba: not recording move - d2/d21/ba does not exist
  moving d1/d11/a1 to d2/d21/a1
  [1]
  $ hg status -C
  A d2/d21/a
    d1/a
  A d2/d21/a1
    d1/d11/a1
  R d1/a
  R d1/d11/a1
  $ hg update -C
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d2/d21

move every file under d1 starting with an 'a' to d2/d21 (regexp)

  $ mkdir d2/d21
  $ hg rename 're:d1/([^a][^/]*/)*a.*' d2/d21
  moving d1/a to d2/d21/a
  moving d1/d11/a1 to d2/d21/a1
  $ hg status -C
  A d2/d21/a
    d1/a
  A d2/d21/a1
    d1/d11/a1
  R d1/a
  R d1/d11/a1
  $ hg update -C
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d2/d21

attempt to overwrite an existing file

  $ echo "ca" > d1/ca
  $ hg rename d1/ba d1/ca
  d1/ca: not overwriting - file exists
  ('hg rename --after' to record the rename)
  [1]
  $ hg status -C
  ? d1/ca
  $ hg update -C
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved

forced overwrite of an existing file

  $ echo "ca" > d1/ca
  $ hg rename --force d1/ba d1/ca
  $ hg status -C
  A d1/ca
    d1/ba
  R d1/ba
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d1/ca

attempt to overwrite an existing broken symlink

#if symlink
  $ ln -s ba d1/ca
  $ hg rename --traceback d1/ba d1/ca
  d1/ca: not overwriting - file exists
  ('hg rename --after' to record the rename)
  [1]
  $ hg status -C
  ? d1/ca
  $ hg update -C
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d1/ca

replace a symlink with a file

  $ ln -s ba d1/ca
  $ hg rename --force d1/ba d1/ca
  $ hg status -C
  A d1/ca
    d1/ba
  R d1/ba
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d1/ca
#endif

do not copy more than one source file to the same destination file

  $ mkdir d3
  $ hg rename d1/* d2/* d3
  moving d1/d11/a1 to d3/d11/a1
  d3/b: not overwriting - d2/b collides with d1/b
  [1]
  $ hg status -C
  A d3/a
    d1/a
  A d3/b
    d1/b
  A d3/ba
    d1/ba
  A d3/d11/a1
    d1/d11/a1
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  $ hg update -C
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d3

move a whole subtree with "hg rename ."

  $ mkdir d3
  $ (cd d1; hg rename . ../d3)
  moving a to ../d3/d1/a
  moving b to ../d3/d1/b
  moving ba to ../d3/d1/ba
  moving d11/a1 to ../d3/d1/d11/a1
  $ hg status -C
  A d3/d1/a
    d1/a
  A d3/d1/b
    d1/b
  A d3/d1/ba
    d1/ba
  A d3/d1/d11/a1
    d1/d11/a1
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  $ hg update -C
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d3

move a whole subtree with "hg rename --after ."

  $ mkdir d3
  $ mv d1/* d3
  $ (cd d1; hg rename --after . ../d3)
  moving a to ../d3/a
  moving b to ../d3/b
  moving ba to ../d3/ba
  moving d11/a1 to ../d3/d11/a1
  $ hg status -C
  A d3/a
    d1/a
  A d3/b
    d1/b
  A d3/ba
    d1/ba
  A d3/d11/a1
    d1/d11/a1
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  $ hg update -C
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d3

move the parent tree with "hg rename .."

  $ (cd d1/d11; hg rename .. ../../d3)
  moving ../a to ../../d3/a
  moving ../b to ../../d3/b
  moving ../ba to ../../d3/ba
  moving a1 to ../../d3/d11/a1
  $ hg status -C
  A d3/a
    d1/a
  A d3/b
    d1/b
  A d3/ba
    d1/ba
  A d3/d11/a1
    d1/d11/a1
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  $ hg update -C
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d3

skip removed files

  $ hg remove d1/b
  $ hg rename d1 d3
  moving d1/a to d3/a
  moving d1/ba to d3/ba
  moving d1/d11/a1 to d3/d11/a1
  $ hg status -C
  A d3/a
    d1/a
  A d3/ba
    d1/ba
  A d3/d11/a1
    d1/d11/a1
  R d1/a
  R d1/b
  R d1/ba
  R d1/d11/a1
  $ hg update -C
  4 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm -rf d3

transitive rename

  $ hg rename d1/b d1/bb
  $ hg rename d1/bb d1/bc
  $ hg status -C
  A d1/bc
    d1/b
  R d1/b
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d1/bc

transitive rename --after

  $ hg rename d1/b d1/bb
  $ mv d1/bb d1/bc
  $ hg rename --after d1/bb d1/bc
  $ hg status -C
  A d1/bc
    d1/b
  R d1/b
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d1/bc

  $ echo "# idempotent renames (d1/b -> d1/bb followed by d1/bb -> d1/b)"
  # idempotent renames (d1/b -> d1/bb followed by d1/bb -> d1/b)
  $ hg rename d1/b d1/bb
  $ echo "some stuff added to d1/bb" >> d1/bb
  $ hg rename d1/bb d1/b
  $ hg status -C
  M d1/b
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

overwriting with renames (issue1959)

  $ hg rename d1/a d1/c
  $ hg rename d1/b d1/a
  $ hg status -C
  M d1/a
    d1/b
  A d1/c
    d1/a
  R d1/b
  $ hg diff --git
  diff --git a/d1/a b/d1/a
  --- a/d1/a
  +++ b/d1/a
  @@ -1,1 +1,1 @@
  -d1/a
  +d1/b
  diff --git a/d1/b b/d1/b
  deleted file mode 100644
  --- a/d1/b
  +++ /dev/null
  @@ -1,1 +0,0 @@
  -d1/b
  diff --git a/d1/a b/d1/c
  copy from d1/a
  copy to d1/c
  $ hg update -C
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm d1/c # The file was marked as added, so 'hg update' action  was 'forget'

check illegal path components

  $ hg rename d1/d11/a1 .hg/foo
  abort: path contains illegal component: .hg/foo
  [255]
  $ hg status -C
  $ hg rename d1/d11/a1 ../foo
  abort: ../foo not under root '$TESTTMP'
  [255]
  $ hg status -C

  $ mv d1/d11/a1 .hg/foo
  $ hg rename --after d1/d11/a1 .hg/foo
  abort: path contains illegal component: .hg/foo
  [255]
  $ hg status -C
  ! d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm .hg/foo

  $ hg rename d1/d11/a1 .hg
  abort: path contains illegal component: .hg/a1
  [255]
  $ hg --config extensions.largefiles= rename d1/d11/a1 .hg
  The fsmonitor extension is incompatible with the largefiles extension and has been disabled. (fsmonitor !)
  abort: path contains illegal component: .hg/a1
  [255]
  $ hg status -C
  $ hg rename d1/d11/a1 ..
  abort: ../a1 not under root '$TESTTMP'
  [255]
  $ hg --config extensions.largefiles= rename d1/d11/a1 ..
  The fsmonitor extension is incompatible with the largefiles extension and has been disabled. (fsmonitor !)
  abort: ../a1 not under root '$TESTTMP'
  [255]
  $ hg status -C

  $ mv d1/d11/a1 .hg
  $ hg rename --after d1/d11/a1 .hg
  abort: path contains illegal component: .hg/a1
  [255]
  $ hg status -C
  ! d1/d11/a1
  $ hg update -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ rm .hg/a1

  $ (cd d1/d11; hg rename ../../d2/b ../../.hg/foo)
  abort: path contains illegal component: .hg/foo
  [255]
  $ hg status -C
  $ (cd d1/d11; hg rename ../../d2/b ../../../foo)
  abort: ../../../foo not under root '$TESTTMP'
  [255]
  $ hg status -C

check that stat information such as mtime is preserved on rename - it's unclear
whether the `touch` and `stat` commands are portable, so we mimic them using
python.  Not all platforms support precision of even one-second granularity, so
we allow a rather generous fudge factor here; 1234567890 is 2009, and the
primary thing we care about is that it's not the machine's current time;
hopefully it's really unlikely for a machine to have such a broken clock that
this test fails. :)

  $ mkdir mtime
Create the file (as empty), then update its mtime and atime to be 1234567890.
  >>> import os
  >>> filename = "mtime/f"
  >>> mtime = 1234567890
  >>> open(filename, "w").close()
  >>> os.utime(filename, (mtime, mtime))
  $ hg ci -qAm 'add mtime dir'
"hg cp" does not preserve the mtime, so it should be newer than the 2009
timestamp.
  $ hg cp -q mtime mtime_cp
  >>> from __future__ import print_function
  >>> import os
  >>> filename = "mtime_cp/f"
  >>> print(os.stat(filename).st_mtime < 1234567999)
  False
"hg mv" preserves the mtime, so it should be ~equal to the 2009 timestamp
(modulo some fudge factor due to not every system supporting 1s-level
precision).
  $ hg mv -q mtime mtime_mv
  >>> from __future__ import print_function
  >>> import os
  >>> filename = "mtime_mv/f"
  >>> print(os.stat(filename).st_mtime < 1234567999)
  True