74 lines
3.9 KiB
Markdown
74 lines
3.9 KiB
Markdown
---
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title: Git database
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allowTitleToDifferFromFilename: true
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redirect_from:
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- /v3/git
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versions:
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free-pro-team: '*'
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enterprise-server: '*'
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github-ae: '*'
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---
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The Git Database API gives you access to read and write raw Git objects to your Git database on {% data variables.product.product_name %} and to list and update your references (branch heads and tags). For more information about using the Git Database API, see "[Getting started with the Git data API](/rest/guides/getting-started-with-the-git-database-api)."
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{% for operation in currentRestOperations %}
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{% unless operation.subcategory %}{% include rest_operation %}{% endunless %}
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{% endfor %}
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## Blobs
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A Git blob (binary large object) is the object type used to store the contents of each file in a repository. The file's SHA-1 hash is computed and stored in the blob object. These endpoints allow you to read and write [blob objects](https://git-scm.com/book/en/v1/Git-Internals-Git-Objects)
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to your Git database on {% data variables.product.product_name %}. Blobs leverage [these custom media types](#custom-media-types). You can read more about the use of media types in the API [here](/rest/overview/media-types).
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### Custom media types for blobs
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These are the supported media types for blobs.
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application/json
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application/vnd.github.VERSION.raw
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For more information, see "[Media types](/rest/overview/media-types)."
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{% for operation in currentRestOperations %}
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{% if operation.subcategory == 'blobs' %}{% include rest_operation %}{% endif %}
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{% endfor %}
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## Commits
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A Git commit is a snapshot of the hierarchy ([Git tree](/rest/reference/git#trees)) and the contents of the files ([Git blob](/rest/reference/git#blobs)) in a Git repository.
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These endpoints allow you to read and write [commit objects](https://git-scm.com/book/en/v1/Git-Internals-Git-Objects#Commit-Objects)
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to your Git database on {% data variables.product.product_name %}.
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{% for operation in currentRestOperations %}
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{% if operation.subcategory == 'commits' %}{% include rest_operation %}{% endif %}
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{% endfor %}
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## References
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A Git reference (`git ref`) is just a file that contains a Git commit SHA-1 hash.
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When referring to a Git commit, you can use the Git reference, which is an
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easy-to-remember name, rather than the hash. The Git reference can be rewritten
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to point to a new commit. A branch is just a Git reference that stores the new Git
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commit hash. These endpoints allow you to read and write [references](https://git-scm.com/book/en/v1/Git-Internals-Git-References)
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to your Git database on {% data variables.product.product_name %}.
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{% for operation in currentRestOperations %}
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{% if operation.subcategory == 'refs' %}{% include rest_operation %}{% endif %}
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{% endfor %}
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## Tags
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A Git tag is similar to a [Git reference](/rest/reference/git#refs), but the Git commit that it points to never changes. Git tags are helpful when you want to point to specific releases. These endpoints allow you to read and write [tag objects](https://git-scm.com/book/en/v1/Git-Internals-Git-References#Tags) to your Git database on {% data variables.product.product_name %}. The Git tags API only supports [annotated tag objects](https://git-scm.com/book/en/v1/Git-Internals-Git-References#Tags), not lightweight tags.
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{% for operation in currentRestOperations %}
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{% if operation.subcategory == 'tags' %}{% include rest_operation %}{% endif %}
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{% endfor %}
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## Trees
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A Git tree object creates the hierarchy between files in a Git repository. You can use the Git tree object to create the relationship between directories and the files they contain. These endpoints allow you to read and write [tree objects](https://git-scm.com/book/en/v1/Git-Internals-Git-Objects#Tree-Objects) to your Git database on {% data variables.product.product_name %}.
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{% for operation in currentRestOperations %}
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{% if operation.subcategory == 'trees' %}{% include rest_operation %}{% endif %}
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{% endfor %}
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