sshserver: flush stream after command dispatch
I am not sure why this is not working as expected, but without this client might
not see some important output. Without this patch moving some output at
transaction closing time makes it disapear for ssh client in various sitaution.
test sparse
$ hg init myrepo
$ cd myrepo
$ cat >> $HGRCPATH <<EOF
> [extensions]
> sparse=
> purge=
> strip=
> rebase=
> EOF
$ echo a > index.html
$ echo x > data.py
$ echo z > readme.txt
$ cat > base.sparse <<EOF
> [include]
> *.sparse
> EOF
$ hg ci -Aqm 'initial'
$ cat > webpage.sparse <<EOF
> %include base.sparse
> [include]
> *.html
> EOF
$ hg ci -Aqm 'initial'
Clear rules when there are includes
$ hg debugsparse --include *.py
$ ls
data.py
$ hg debugsparse --clear-rules
$ ls
base.sparse
data.py
index.html
readme.txt
webpage.sparse
Clear rules when there are excludes
$ hg debugsparse --exclude *.sparse
$ ls
data.py
index.html
readme.txt
$ hg debugsparse --clear-rules
$ ls
base.sparse
data.py
index.html
readme.txt
webpage.sparse
Clearing rules should not alter profiles
$ hg debugsparse --enable-profile webpage.sparse
$ ls
base.sparse
index.html
webpage.sparse
$ hg debugsparse --include *.py
$ ls
base.sparse
data.py
index.html
webpage.sparse
$ hg debugsparse --clear-rules
$ ls
base.sparse
index.html
webpage.sparse