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Merge pull request #16751 from dvdksn/build/fix-git-ctx-ref 

build: improve git context ref
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David Karlsson 2023-02-20 20:50:13 +01:00 committed by GitHub
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build/building/context.md
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@ -125,16 +125,16 @@ $ docker build https://github.com/user/myrepo.git#container:docker
The following table represents all the valid suffixes with their build
contexts:
| Build Syntax Suffix | Commit Used | Build Context Used |
|--------------------------------|-----------------------|--------------------|
| `myrepo.git` | `refs/heads/master` | `/` |
| `myrepo.git#mytag` | `refs/tags/mytag` | `/` |
| `myrepo.git#mybranch` | `refs/heads/mybranch` | `/` |
| `myrepo.git#pull/42/head` | `refs/pull/42/head` | `/` |
| `myrepo.git#:myfolder` | `refs/heads/master` | `/myfolder` |
| `myrepo.git#master:myfolder` | `refs/heads/master` | `/myfolder` |
| `myrepo.git#mytag:myfolder` | `refs/tags/mytag` | `/myfolder` |
| `myrepo.git#mybranch:myfolder` | `refs/heads/mybranch` | `/myfolder` |
| Build Syntax Suffix | Commit Used | Build Context Used |
| ------------------------------ | ----------------------------- | ------------------ |
| `myrepo.git` | `refs/heads/<default branch>` | `/` |
| `myrepo.git#mytag` | `refs/tags/mytag` | `/` |
| `myrepo.git#mybranch` | `refs/heads/mybranch` | `/` |
| `myrepo.git#pull/42/head` | `refs/pull/42/head` | `/` |
| `myrepo.git#:myfolder` | `refs/heads/<default branch>` | `/myfolder` |
| `myrepo.git#master:myfolder` | `refs/heads/master` | `/myfolder` |
| `myrepo.git#mytag:myfolder` | `refs/tags/mytag` | `/myfolder` |
| `myrepo.git#mybranch:myfolder` | `refs/heads/mybranch` | `/myfolder` |
By default `.git` directory is not kept on Git checkouts. You can set the
[BuildKit built-in arg `BUILDKIT_CONTEXT_KEEP_GIT_DIR=1`](../../engine/reference/builder.md#buildkit-built-in-build-args)