2014-06-02 14:03:37 +00:00
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# Git Media
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Git Media is a system for handling large blobs in Git repositories. Instead of
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saving the full content of a blob to Git, a pointer file with an ID is written.
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A Git Media client can use the ID in the pointer file to download the actual
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file from a Git Media server.
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* The Client
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* [Specification](spec.md)
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2014-06-10 18:52:07 +00:00
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* [Commands](../man)
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2014-06-02 14:03:37 +00:00
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* The Server
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* [API](api.md)
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* Very early [v1 launch blog post](v1-blog-post.md)
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* UXR Study: [Super-size me][ux].
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[ux]: http://uxr.githubapp.com/2013/09/24/supersize-me/
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## Getting Started
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The client lives in [github/git-media](https://github.com/github/git-media).
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Download the [latest release](https://github.com/github/git-media/releases/tag/v0.0.1). Below
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are the linked Git Media binaries for Mac and Windows:
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* [Mac](https://github.com/github/git-media/releases/download/v0.0.1/git-media-darwin-amd64-v0.0.1.tar.gz)
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* [Windows](https://github.com/github/git-media/releases/download/v0.0.1/git-media-windows-amd64-v0.0.1.zip) (amd64)
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### Configure Git
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Run `git media init` to set up global Git configuration settings for Git Media.
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$ git media init
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git media initialized
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Git repositories use `.gitattributes` files to configure which files are inserted into
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the Git Media server. Here's a sample one that saves zips and mp3s:
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$ cat .gitattributes
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*.mp3 filter=media -crlf
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*.zip filter=media -crlf
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Git media can help you manage your `.gitattributes` paths:
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$ git media path add "*.mp3"
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Adding path *.mp3
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$ git media paths add "*.zip"
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Adding path *.zip
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$ git media paths
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Listing paths
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*.mp3 (.gitattributes)
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*.zip (.gitattributes)
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$ git media paths remove "*.zip"
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Removing path *.zip
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$ git media paths
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Listing paths
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*.mp3 (.gitattributes)
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### Push a new commit
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Once everything is setup, you can clone or create a new repository that uses
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Git Media.
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```
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$ git clone https://github.com/github/gitmediatest
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Cloning into 'gitmediatest'...
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remote: Counting objects: 22, done.
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remote: Compressing objects: 100% (18/18), done.
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remote: Total 22 (delta 2), reused 22 (delta 2)
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Unpacking objects: 100% (22/22), done.
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```
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There will be a pause after the objects have been unpacked, while Git Media
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downloads the files. You can tell it worked if the file contains the actual
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content, and not a tiny external pointer file:
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```
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$ cd gitmediatest
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$ ls -al
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total 24600
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drwxr-xr-x 3 rick staff 204 Oct 31 13:40 .
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drwxr-xr-x 70 rick staff 2414 Oct 31 13:40 ..
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drwxr-xr-x 8 rick staff 442 Oct 31 13:40 .git
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-rw-r--r-- 1 rick staff 50 Oct 31 13:40 .gitattributes
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-rw-r--r-- 1 rick staff 4 Oct 31 13:40 .gitignore
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-rw-r--r-- 1 rick staff 12585968 Oct 31 13:40 mac.zip
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```
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Now, add a file:
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```
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$ git add my.zip
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# confirm the zip was added to the "upload" queue
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$ git media queues
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upload
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my.zip
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```
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When you can see files being added to the upload queue, you can commit like
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normal. After committing, `git show` will show the file's meta data:
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$ git show
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commit 47b2002173ae56f6a30c67ec46858a932e8f7511
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Author: rick <technoweenie@gmail.com>
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Date: Thu Oct 31 12:05:32 2013 -0600
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add zip
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diff --git a/my.zip b/my.zip
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new file mode 100644
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index 0000000..fc1f642
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--- /dev/null
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+++ b/my.zip
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@@ -0,0 +1,2 @@
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+# git-media
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+84ff327f80500d3266bd830891ede1e4fd18b9169936a066573f9b230597a696
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\ No newline at end of file
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Now, you can run the `git media sync` command. This uploads any queued files to
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the Git Media endpoint.
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$ git media sync
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Sending my.zip
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12.00 MB / 12.00 MB [========================================================] 100.00 %
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