tests/test-remotefilelog-permissions.t

merge: introduce mergeresult.addfile() and use it

We want to use mergeresult object at more and more places instead of this
actions dict to simplify code and further add new APIs to mergeresult object.

This patch introduces `addfile()` which adds a new file to the internal actions
dict for now.

Differential Revision: https://phab.mercurial-scm.org/D8820

#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 master
  $ echo xx > x
  $ hg commit -qAm x2
  $ cd ..

# Test cache misses with read only permissions on server

  $ chmod -R a-w master/.hg/remotefilelogcache
  $ cd shallow
  $ hg pull -q
  $ 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)
  $ cd ..

  $ chmod -R u+w master/.hg/remotefilelogcache

# Test setting up shared cache with the right permissions
# (this is hard to test in a cross platform way, so we just make sure nothing
# crashes)

  $ rm -rf $CACHEDIR
  $ umask 002
  $ mkdir $CACHEDIR
  $ hg -q clone --shallow ssh://user@dummy/master shallow2 --config remotefilelog.cachegroup="`id -g -n`"
  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over * (glob)
  $ ls -ld $CACHEDIR/11
  drwxrws* $TESTTMP/hgcache/11 (glob)