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# Installation and configuration
Place `git-fat` in your `PATH`.
To use `git-fat` edit `.gitattributes` to regard any desired extensions
as fat files, e.g.
*.png filter=fat -crlf
*.jpg filter=fat -crlf
*.gz filter=fat -crlf
then run `git fat init` to active the extension. Now add and commit as
usual, all matched files will not go in `.git/objects`, but will appear
complete in the working tree. To set a remote store for the fat objects,
edit `.gitfat`
[rsync]
remote = your.remote-host.org:/share/fat-store
This file should typically be committed to the repository so that others
will automatically have their remote set. This remote address can use
any protocol supported by rsync. Most users will configure it to use
remote ssh in a directory with shared access.
# A worked example
$ export GIT_FAT_VERBOSE=1 # Show more verbose information about what is happening
$ git init repo
Initialized empty Git repository in /tmp/repo/.git/
$ cd repo
$ git fat init
$ cat > .gitfat
[rsync]
remote = localhost:/tmp/fat-store
$ mkdir -p /tmp/fat-store # make sure the remote directory exists
$ echo '*.gz filter=fat -crlf' > .gitattributes
$ git add .gitfat .gitattributes
$ git commit -m'Initial repository'
[master (root-commit) eb7facb] Initial repository
2 files changed, 3 insertions(+)
create mode 100644 .gitattributes
create mode 100644 .gitfat
$ curl https://nodeload.github.com/jedbrown/git-fat/tar.gz/master -o master.tar.gz
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 6449 100 6449 0 0 7741 0 --:--:-- --:--:-- --:--:-- 9786
$ git add master.tar.gz
git-fat filter-clean: caching to /tmp/repo/.git/fat/objects/b3489819f81603b4c04e8ed134b80bace0810324
$ git commit -m'Added master.tar.gz'
[master b85a96f] Added master.tar.gz
git-fat filter-clean: caching to /tmp/repo/.git/fat/objects/b3489819f81603b4c04e8ed134b80bace0810324
1 file changed, 1 insertion(+)
create mode 100644 master.tar.gz
$ du -s .git/objects .git/fat
$ git fat push
Pushing to localhost:/tmp/fat-store
building file list ...
1 file to consider
sent 61 bytes received 12 bytes 48.67 bytes/sec
total size is 6449 speedup is 88.34
We could now push to a remote
$ cd ..
$ git clone repo repo2
Cloning into 'repo2'...
done.
$ cd repo2
$ git fat init # don't forget
$ git fat pull
receiving file list ...
1 file to consider
1f218834a137f7b185b498924e7a030008aee2ae
6449 100% 6.15MB/s 0:00:00 (xfer#1, to-check=0/1)
sent 30 bytes received 6558 bytes 4392.00 bytes/sec
total size is 6449 speedup is 0.98
$ cat master.tar.gz # we should checkout automatically
#$# git-fat 1f218834a137f7b185b498924e7a030008aee2ae
$ git checkout -f .
git-fat filter-clean: caching to /tmp/repo2/.git/fat/objects/b7939480ed4e54109f8f82d43e46a39e144ecad1
git-fat filter-smudge: restoring from /tmp/repo2/.git/fat/objects/1f218834a137f7b185b498924e7a030008aee2ae
$ ls -l # recovered the full file
total 8
-rw-r--r-- 1 jed users 6449 Nov 25 17:10 master.tar.gz
# Important refinements
* Put some more useful message in smudged (working tree) version of missing files.
* Make
* Make commands safer in presence of a dirty tree.
* Private setting of a different remote.
* Gracefully handle unmanaged files when the filter is called (either
legacy files or files matching the pattern that should some reason not
be treated as fat).
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