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|
The git-annex Windows port is not ready for prime time. But it does exist
now! --[[Joey]]
## status
* Doesn't daemonize. Maybe use
<http://hackage.haskell.org/package/Win32-services>
or perhaps easier,
<http://hackage.haskell.org/package/Win32-services-wrapper>
* XMPP library not yet built. (See below.)
* View debug log is empty in windows -- all logs go to console.
This messes up a few parts of UI that direct user to the debug log.
Should try to get rid of the console, but only once ssh passwords
(and possibly gpg) are not prompted there anymore.
* Local pairing seems to fail, after acking on Linux box, it stalls.
(Also, of course, the Windows box is unlikely to have a ssh server,
so only pairing with a !Windows box will work.)
* gcrypt is not ported to windows (and as a shell script, may need
to be rewritten)
* Incremental fsck sets the sticky bit to record when a file is fscked,
and this is not done on windows, so fsck doesn't behave incrementally
there.
* Deleting a git repository from inside the webapp fails "RemoveDirectory
permision denied ... file is being used by another process"
## potential encoding problems
[[bugs/Unicode_file_names_ignored_on_Windows]] is fixed, but some potential
problems remain, since the FileSystemEncoding that git-annex relies on
seems unreliable/broken on Windows.
* When git-annex displays a filename that it's acting on, there
can be mojibake on Windows. For example, "háčky.txt" displays
the accented characters as instead the pairs of bytes making
up the utf-8. Tried doing various things to the stdout handle
to avoid this, but only ended up with encoding crashes, or worse
mojibake than this.
* `md5FilePath` still uses the filesystem encoding, and so may produce the
wrong value on Windows. This would impact keys that contain problem characters
(probably coming from the filename extension), and might cause
interoperability problems when git-annex generates the hash directories of a
remote, for example a rsync remote.
* `encodeW8` is used in Git.UnionMerge, and while I fixed the other calls to
encodeW8, which all involved ByteStrings reading from git and so can just
treat it as utf-8 on Windows (via `decodeBS`), in the union merge case,
the ByteString has no defined encoding. It may have been written on Unix
and contain keys with invalid unicode in them. On windows, the union
merge code should probably check if it's valid utf-8, and if not,
abort the merge.
* If interoperating with a git-annex repository from a unix system, it's
possible for a key to contain some invalid utf-8, which means its filename
cannot even be represented on Windows, so who knows what will happen in that
case -- probably it will fail in some way when adding the object file
to the Windows repo.
* If data from the git repo does not have a unicode encoding, it will be
mangled in various places on Windows, which can lead to undefined behavior.
## minor problems
* rsync special remotes with a rsyncurl of a local directory are known
buggy. (git-annex tells rsync C:foo and it thinks it means a remote host
named C...)
* webapp lets user choose to encrypt repo, and generate gpg key,
before checking that gcrypt is not installed
* Ssh connection caching does not work on Windows, so `git annex get`
has to connect twice to the remote system over ssh per file, which
is much slower than on systems supporting connection caching.
* glacier-cli is not easily available (probably)
* user feedback: "Git on windows installer provides openssh 4.6. git-annex installer
provides openssh 6.2 . This seems to create problems regarding how
`known_hosts` file path is setup. Setting `GIT_SSH=` to the git-annex
openssh version fixes the problem."
However, I don't know how to determine what that location is after
it's been installed. Maybe look for ssh.exe in same directory as
git-annex.exe? --[[Joey]]
## stuff needing testing
* test that adding a repo on a removable drive works; that git is synced to
it and files can be transferred to it and back
* Does stopping in progress transfers work in the webapp?
## trying to build XMPP
Lots of library deps:
1. gsasl-$LATEST.zip from <http://josefsson.org/gnutls4win/> (includes
gnuidn and gnutls)
2. pkg-config from
<http://sourceforge.net/projects/pkgconfiglite/files/latest/download?source=files>
3. libxml2 from mingw:
<http://sourceforge.net/projects/mingw/files/MSYS/Extension/libxml2/libxml2-2.7.6-1/>
both the -dll and the -dev
3. Extract all the above into the Haskell platform's mingw directory. Note
that pkg-config needs to be moved out of a named subdirectory.
4. Run in DOS prompt (not cygwin!): cabal install network-protocol-xmpp
Current FAIL:
<pre>
Loading package gnutls-0.1.5 ... ghc.exe: internal error: Misaligned section: 18206e5b
(GHC version 7.6.3 for i386_unknown_mingw32)
Please report this as a GHC bug:
http://www.haskell.org/ghc/reportabug
</pre>
<https://ghc.haskell.org/trac/ghc/ticket/8830>
Note: This only happens in the TH link stage. So building w/o the webapp
works with XMPP.
Options:
1. Use EvilSplicer, building first without XMPP library, but with its UI,
and a second time without TH, but with the XMPP library. Partially done
on the `winsplicehack` branch, but requires building patched versions
of lots of yesod dependency chain to export modules referenced by TH
splices, like had to be done on Android. Horrible pain. Ugly as hell.
2. Make a helper program with the XMPP support in it, that does not use TH.
|
