(Re)generates directories by mixing the file hierarchies contained in various 'mounted' directories. The generated directories contain symbolic links to the mounted files. Combined with other tools (to sync files), this scheme allows you to create separate collections of files (work, personal, reference, linux, osx, etc.), choose which of these you want to mount on each of your computers, and then build a hierarchy that allows you to work on them side by side.
For example, let's take your bash config files. You want to separate startup commands that you use on all unix computers from those that you only need on Linux or OS X. Plus maybe you have some aliases that you use only at work and some that you need only at home.
Rewrite your .bashrc to load everything in ~/etc/bash. Store that file and your other bash config files in a folder with just general *nix bash stuff. Then use Sundae to create links in ~/etc/bash to all of the things that you need for your particular computer (general unix stuff + either linux or OS X stuff + work aliases + …). The files are together in one folder so your script knows to read them, but they can be version controlled and/or synced across all of your computers in separate bundles (one for *nix, one for ubuntu, one for OS X, etc.).
You have to figure out how to use this model. It's not for everyone. It requires rewriting config files, making sure certain files kept in different folders don't have the same name, etc. But it's worth it when you sit down at a new computer and say “I only want to use my *nix and linux config files, my work files, and music” and it all just works. Like this:
~> ls Desktop local mnt src WualaDrive ~> sundae ~> ls bin Desktop doc etc lib local mnt share src tmp var WualaDrive
sudo gem install sundae
The first time you run Sundae, it will create a template config file in your home directory. This file, .sundae, needs to be customized. It is just a Ruby file that defines the following:
array; where the collections are stored
array; each element is a string or Regexp and becomes a rule that prevents links to files or directories that match the Regexp. Globs in strings are expanded.
The hierarchy in path should look something like this:
path/ |-- collection1/ | |-- mnt1/ | | |-- real_files_and_dirs | | ` ... | |-- mnt2/ `-- collection2/ ` ...
Why is this double layer “collection” stuff going on? Because while most of the time you can share a whole folder between computers, sometimes you want to mix your config files into a folder that also contains nonsymlinked files.
For example, your ~/.ssh folder probably has a public and private key that you want to stay unique to that machine, but you might want to mix in a “config” file that has host aliases that you share between machines. This is how you do that. I do it with my .unison, .mocp, .ssh, and .lftp folders.
For example, the hierarchy in my paths looks sort of like this:
~/mnt/git/ <-- "path" |-- nix/ <-- "collection" | |-- home/ <-- "mnt" | | |-- .emacs.d/ (~/.emacs.d will point here) | | |-- etc/ (~/etc will point here) | | ` ... | |-- dot-unison | | |-- .sundae_path (says "~/.unison") | | |-- default.prf (~/.unison/default.prf will point here) | | ` | | |-- osx/ | |-- home_library/ (says "~/Library") | | |-- .sundae_path | | `-- Library-Keyboard_Layouts/ | | `-- Keyboard Layouts/ | | ` Colemak.keylayout | | |-- personal | `-- home/ | |-- doc/ | | ` ... | ` ... ` ... ~/mnt/sync/ <-- "path" |-- reference <-- "collection" | |-- home/ <-- "mnt" | ` ... |-- music | |-- home/ | ` ... ` ...
Sundae will act on all of the mnts–subdirectories of the collections, that is, the sub-subdirectories of the path. The “collections” are only there to facilitate grouping common files and syncronizing them between computers.
By default, all of the contents in each of the mnts are placed in the user's home directory. This can be altered by creating a file called .sundae_path in the top of the mnt; the file should contain one line, which is the absolute path to where that directory should be “mounted.”
And that's it. When called, Sundae creates links so that you can work on your files from seperate parts of life as if they were side by side.
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