To install git-annex from scratch, you need a lot of stuff. Really quite a lot. * Haskell stuff * [The Haskell Platform](http://haskell.org/platform/) (GHC 7.4 or newer) * [mtl](http://hackage.haskell.org.package/mtl) (2.1.1 or newer) * [MissingH](http://github.com/jgoerzen/missingh/wiki) * [utf8-string](http://hackage.haskell.org/package/utf8-string) * [SHA](http://hackage.haskell.org/package/SHA) * [dataenc](http://hackage.haskell.org/package/dataenc) * [monad-control](http://hackage.haskell.org/package/monad-control) * [lifted-base](http://hackage.haskell.org/package/lifted-base) * [QuickCheck 2](http://hackage.haskell.org/package/QuickCheck) * [json](http://hackage.haskell.org/package/json) * [IfElse](http://hackage.haskell.org/package/IfElse) * [bloomfilter](http://hackage.haskell.org/package/bloomfilter) * [edit-distance](http://hackage.haskell.org/package/edit-distance) * [hS3](http://hackage.haskell.org/package/hS3) (optional) * [DAV](http://hackage.haskell.org/package/DAV) (optional) * [SafeSemaphore](http://hackage.haskell.org/package/SafeSemaphore) * [UUID](http://hackage.haskell.org/package/uuid) * [regex-tdfa](http://hackage.haskell.org/package/regex-tdfa) * Optional haskell stuff, used by the [[assistant]] and its webapp (edit Makefile to disable) * [stm](http://hackage.haskell.org/package/stm) (version 2.3 or newer) * [hinotify](http://hackage.haskell.org/package/hinotify) (Linux only) * [dbus](http://hackage.haskell.org/package/dbus) * [yesod](http://hackage.haskell.org/package/yesod) * [yesod-static](http://hackage.haskell.org/package/yesod-static) * [yesod-default](http://hackage.haskell.org/package/yesod-default) * [data-default](http://hackage.haskell.org/package/data-default) * [case-insensitive](http://hackage.haskell.org/package/case-insensitive) * [http-types](http://hackage.haskell.org/package/http-types) * [transformers](http://hackage.haskell.org/package/transformers) * [wai](http://hackage.haskell.org/package/wai) * [wai-logger](http://hackage.haskell.org/package/wai-logger) * [warp](http://hackage.haskell.org/package/warp) * [blaze-builder](http://hackage.haskell.org/package/blaze-builder) * [crypto-api](http://hackage.haskell.org/package/crypto-api) * [hamlet](http://hackage.haskell.org/package/hamlet) * [clientsession](http://hackage.haskell.org/package/clientsession) * [network-multicast](http://hackage.haskell.org/package/network-multicast) * [network-info](http://hackage.haskell.org/package/network-info) * [network-protocol-xmpp](http://hackage.haskell.org/package/network-protocol-xmpp) * [dns](http://hackage.haskell.org/package/dns) * [xml-types](http://hackage.haskell.org/package/xml-types) * [async](http://hackage.haskell.org/package/async) * Shell commands * [git](http://git-scm.com/) * [xargs](http://savannah.gnu.org/projects/findutils/) * [rsync](http://rsync.samba.org/) * [curl](http://http://curl.haxx.se/) (optional, but recommended) * [wget](http://www.gnu.org/software/wget/) (optional) * [sha1sum](ftp://ftp.gnu.org/gnu/coreutils/) (optional, but recommended; a sha1 command will also do) * [gpg](http://gnupg.org/) (optional; needed for encryption) * [lsof](ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/) (optional; recommended for watch mode) * multicast DNS support, provided on linux by [nss-mdns](http://www.0pointer.de/lennart/projects/nss-mdns/) (optional; recommended for the assistant to support pairing well) * [ikiwiki](http://ikiwiki.info) (optional; used to build the docs) Then just [[download]] git-annex and run: `make; make install`