#require no-windows

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

  $ hg init master

  $ cd master

  $ cat >> .hg/hgrc <<EOF

  > [remotefilelog]

  > server=True

  > EOF

  $ echo x > x

  $ hg commit -qAm x

  $ cd ..

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

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

  $ cd shallow

  $ cat >> $TESTTMP/get_file_linknode.py <<EOF

  > from mercurial import node, registrar, scmutil

  > cmdtable = {}

  > command = registrar.command(cmdtable)

  > @command(b'debug-file-linknode', [(b'r', b'rev', b'.', b'rev')], b'hg debug-file-linknode FILE')

  > def debug_file_linknode(ui, repo, file, **opts):

  >   rflctx = scmutil.revsingle(repo.unfiltered(), opts['rev']).filectx(file)

  >   ui.status(b'%s\n' % node.hex(rflctx.ancestormap()[rflctx._filenode][2]))

  > EOF

  $ cat >> .hg/hgrc <<EOF

  > [ui]

  > interactive=1

  > [extensions]

  > strip=

  > get_file_linknode=$TESTTMP/get_file_linknode.py

  > [experimental]

  > evolution=createmarkers,allowunstable

  > EOF

  $ echo a > a

  $ hg commit -qAm msg1

  $ hg commit --amend 're:^$' -m msg2

  $ hg commit --amend 're:^$' -m msg3

  $ hg --hidden log -G -T '{rev} {node|short}'

  @  3 df91f74b871e

  |

  | x  2 70494d7ec5ef

  |/

  | x  1 1e423846dde0

  |/

  o  0 b292c1e3311f

  $ hg debug-file-linknode -r 70494d a

  df91f74b871e064c89afa1fe9e2f66afa2c125df

  $ hg --hidden strip -r 1 3

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

  saved backup bundle to $TESTTMP/shallow/.hg/strip-backup/df91f74b871e-c94d67be-backup.hg

  $ hg --hidden log -G -T '{rev} {node|short}'

  o  1 70494d7ec5ef

  |

  @  0 b292c1e3311f

Demonstrate that the linknode points to a commit that is actually in the repo

after the strip operation. Otherwise remotefilelog has to search every commit in

the repository looking for a valid linkrev every time it's queried, such as

during push.

  $ hg debug-file-linknode -r 70494d a

  70494d7ec5ef6cd3cd6939a9fd2812f9956bf553