Generaldelta changes some of the default targets for 'hg bundle'. All cases are
already properly tested but some ambiguous specifications are affected.
The cut and head utilities on Solaris have weird differences from the GNU
versions. The f helper script does a dump more nicely than those tools,
anyway.
The old code was tailored to `hg bundle` usage and not appropriate for
use as a general API, which clone bundles will require. The code has
been rewritten to make it more generally suitable.
We introduce dedicated error types to represent invalid and unsupported
bundle specifications. The reason we need dedicated error types (rather
than error.Abort) is because clone bundles will want to catch these
exception as part of filtering entries. We don't want to swallow
error.Abort on principle.
The current setup requires to pass both a packer and, optionally, the version
of the unpacker. This is confusing and error prone as the two value cannot
mismatch. Instead, we simply grab the version from the packer. This fixes a bug
where requesting a cg2 from 'hg bundle' were reported as changegroup 1.
I should have caught that in the initial changeset but I missed it somehow.
We had some basic undocumented support for uncompressed bundle2 support. We now
have an official extensible syntax to specify both format type and compression
(eg: bzip2-v2).
In practice, this changeset introduce the 'v1' and 'v2' identifier to make it
possible to combine format and compression. The default format is still 'v1'.
We'll care about picking 'v1' or 'v2' in regard with general delta in the next
changesets.
1. This is consistent with pushing.
2. This allows to see the URL of the other repo in case accessing the repo
fails, e.g. wrong ssh path or issues with the https certificate, without
using --debug or showconfig paths.
Additionally add test for this in the context of ssh with a wrong path.
Checking the bundle type late in the command's execution can mean
that we do work for a long time before complaining about incorrect
user input and aborting. Guess how I discovered this.
