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69 lines
1.9 KiB
69 lines
1.9 KiB
git-symbolic-ref(1) |
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=================== |
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NAME |
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---- |
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git-symbolic-ref - Read, modify and delete symbolic refs |
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SYNOPSIS |
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-------- |
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[verse] |
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'git symbolic-ref' [-m <reason>] <name> <ref> |
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'git symbolic-ref' [-q] [--short] <name> |
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'git symbolic-ref' --delete [-q] <name> |
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DESCRIPTION |
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----------- |
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Given one argument, reads which branch head the given symbolic |
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ref refers to and outputs its path, relative to the `.git/` |
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directory. Typically you would give `HEAD` as the <name> |
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argument to see which branch your working tree is on. |
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Given two arguments, creates or updates a symbolic ref <name> to |
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point at the given branch <ref>. |
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Given `--delete` and an additional argument, deletes the given |
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symbolic ref. |
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A symbolic ref is a regular file that stores a string that |
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begins with `ref: refs/`. For example, your `.git/HEAD` is |
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a regular file whose contents is `ref: refs/heads/master`. |
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OPTIONS |
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------- |
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-d:: |
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--delete:: |
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Delete the symbolic ref <name>. |
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-q:: |
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--quiet:: |
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Do not issue an error message if the <name> is not a |
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symbolic ref but a detached HEAD; instead exit with |
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non-zero status silently. |
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--short:: |
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When showing the value of <name> as a symbolic ref, try to shorten the |
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value, e.g. from `refs/heads/master` to `master`. |
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-m:: |
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Update the reflog for <name> with <reason>. This is valid only |
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when creating or updating a symbolic ref. |
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NOTES |
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----- |
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In the past, `.git/HEAD` was a symbolic link pointing at |
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`refs/heads/master`. When we wanted to switch to another branch, |
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we did `ln -sf refs/heads/newbranch .git/HEAD`, and when we wanted |
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to find out which branch we are on, we did `readlink .git/HEAD`. |
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But symbolic links are not entirely portable, so they are now |
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deprecated and symbolic refs (as described above) are used by |
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default. |
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'git symbolic-ref' will exit with status 0 if the contents of the |
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symbolic ref were printed correctly, with status 1 if the requested |
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name is not a symbolic ref, or 128 if another error occurs. |
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GIT |
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--- |
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Part of the linkgit:git[1] suite
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