On windows, single quote doesn't work as quote character in hook
command line, because "cmd.exe" doesn't recognize it as quoting
character. And this causes failure of test.
This patch uses double quote to quote arguments in hook instead of
single quote for portability.
Even though single quotes for "[hooks] pretxncommit" in
test-clone-pull-corruption.t seems to work correctly (may MinGW sh
treat specially ?) AFAIK, this patch also replaces them by double
quotes for consistency.
Since transaction are used for more than just changesets, it is possible
to have a transaction without new changesets at all. In this case no
''00changelog.i.a' are written. In all cases the 'changelog.readpending'
method is called if the repository has any pending data. The 'revlog' logic
provides empty content if the file is missing, so the whole operation
resulted in an empty changelog.
We now skip reading the pending file if it is missing.
Currently we have the following return codes if nothing is found:
commit incoming outgoing pull push
intended 1 1 1 1 1
documented 1 1 1 0 1
actual 1 1 1 0 1
This makes pull agree with the rest of the table and makes it easy to
detect "nothing was pulled" in scripts.
