transport-helper: check for 'forced update' message

So the remote-helpers can tell us when a forced push was needed.

Helped-by: Max Horn <max@quendi.de>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
test-hg.sh: tests are now expected to pass

Signed-off-by: Richard Hansen <rhansen@bbn.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
remote-bzr: support the new 'force' option

Signed-off-by: Richard Hansen <rhansen@bbn.com>
Acked-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
fast-export: improve argument parsing

We don't want to pass arguments specific to fast-export to
setup_revisions.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
fast-export: add new --refspec option

So that we can convert the exported ref names.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
transport-helper: add support for old:new refspec

By using fast-export's new --refspec option.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
transport-helper: add support to push symbolic refs

For example 'HEAD'.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
fast-import: add support to delete refs

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
fast-export: add support to delete refs

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
transport-helper: add support to delete branches

For remote-helpers that use 'export' to push.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
transport-helper: remove unnecessary strbuf resets

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>