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Block ambiguous branch/tag names (#35670)

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Co-authored-by: Sophie <29382425+sophietheking@users.noreply.github.com>
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Matt Cooper
2023-03-23 10:07:00 -04:00
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content/get-started/using-git/dealing-with-special-characters-in-branch-and-tag-names.md
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@@ -47,3 +47,14 @@ If possible, create branch and tag names that don't contain special characters,
* forward slash (`/`)
To avoid confusion, you should start branch names with a letter.
{% ifversion fpt or ghec or ghes > 3.8 %}
## Restrictions on names in {% data variables.product.prodname_dotcom %}
{% data variables.product.prodname_dotcom %} restricts a small number of branch and tag names from being pushed up.
Those restrictions are:
- No names which look like Git object IDs (40 characters containing only 0-9 and A-F), to prevent confusion with actual Git object IDs.
- No names beginning with `refs/`, to prevent confusion with the full name of Git refs. For more information about refs, see "[Git References](https://git-scm.com/book/en/v2/Git-Internals-Git-References)" in the Git documentation.
{% endif %}