diff tests/test-remotefilelog-clone.t @ 40495:3a333a582d7b

remotefilelog: import pruned-down remotefilelog extension from hg-experimental

This is remotefilelog as of my recent patches for compatibility with
current tip of hg, minus support for old versions of Mercurial and
some FB-specific features like their treemanifest extension and
fetching linkrev data from a patched phabricator. The file extutil.py
moved from hgext3rd to remotefilelog.

This is not yet ready to be landed, consider it a preview for
now. Planned changes include:

 * replace lz4 with zstd
 * rename some capabilities, requirements and wireproto commands to mark
   them as experimental
 * consolidate bits of shallowutil with related functions (eg readfile)

I'm certainly open to other (small) changes, but my rough mission is
to land this largely as-is so we can use it as a model of the
functionality we need going forward for lazy-fetching of file contents
from a server.

# no-check-commit because of a few foo_bar functions

Differential Revision: https://phab.mercurial-scm.org/D4782

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-remotefilelog-clone.t	Thu Sep 27 13:03:19 2018 -0400
@@ -0,0 +1,113 @@
+  $ PYTHONPATH=$TESTDIR/..:$PYTHONPATH
+  $ export PYTHONPATH
+
+  $ . "$TESTDIR/remotefilelog-library.sh"
+
+  $ hginit master
+  $ cd master
+  $ cat >> .hg/hgrc <<EOF
+  > [remotefilelog]
+  > server=True
+  > EOF
+  $ echo x > x
+  $ hg commit -qAm x
+
+  $ cd ..
+
+# shallow clone from full
+
+  $ hgcloneshallow ssh://user@dummy/master shallow --noupdate
+  streaming all changes
+  2 files to transfer, 227 bytes of data
+  transferred 227 bytes in * seconds (*/sec) (glob)
+  searching for changes
+  no changes found
+  $ cd shallow
+  $ cat .hg/requires
+  dotencode
+  fncache
+  generaldelta
+  remotefilelog
+  revlogv1
+  store
+
+  $ hg update
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
+
+  $ cat x
+  x
+
+  $ ls .hg/store/data
+  $ echo foo > f
+  $ hg add f
+  $ hg ci -m 'local content'
+  $ ls .hg/store/data
+  4a0a19218e082a343a1b17e5333409af9d98f0f5
+
+  $ cd ..
+
+# shallow clone from shallow
+
+  $ hgcloneshallow ssh://user@dummy/shallow shallow2  --noupdate
+  streaming all changes
+  3 files to transfer, 564 bytes of data
+  transferred 564 bytes in * seconds (*/sec) (glob)
+  searching for changes
+  no changes found
+  $ cd shallow2
+  $ cat .hg/requires
+  dotencode
+  fncache
+  generaldelta
+  remotefilelog
+  revlogv1
+  store
+  $ ls .hg/store/data
+  4a0a19218e082a343a1b17e5333409af9d98f0f5
+
+  $ hg update
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+  $ cat x
+  x
+
+  $ cd ..
+
+# full clone from shallow
+
+Note: the output to STDERR comes from a different process to the output on
+STDOUT and their relative ordering is not deterministic. As a result, the test
+was failing sporadically. To avoid this, we capture STDERR to a file and
+check its contents separately.
+
+  $ TEMP_STDERR=full-clone-from-shallow.stderr.tmp
+  $ hg clone --noupdate ssh://user@dummy/shallow full 2>$TEMP_STDERR
+  streaming all changes
+  remote: abort: Cannot clone from a shallow repo to a full repo.
+  [255]
+  $ cat $TEMP_STDERR
+  abort: pull failed on remote
+  $ rm $TEMP_STDERR
+
+# getbundle full clone
+
+  $ printf '[server]\npreferuncompressed=False\n' >> master/.hg/hgrc
+  $ hgcloneshallow ssh://user@dummy/master shallow3
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 0 changes to 0 files
+  new changesets b292c1e3311f
+  updating to branch default
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+  $ ls shallow3/.hg/store/data
+  $ cat shallow3/.hg/requires
+  dotencode
+  fncache
+  generaldelta
+  remotefilelog
+  revlogv1
+  store