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Editorial Team
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Asked: 2026-06-12T22:33:41+00:00

I stumbled upon two odd characters at the end of a git ls-remote command

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I stumbled upon two odd characters at the end of a git ls-remote command and I wonder what this means?

0e4c39557ccb6789173c  refs/tags/2011-11-04
966f8df553f18c486820  refs/tags/2011-11-04^{}

Do you happen to know what this ^{} means? Also, why does this git tag seems duplicated?

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1 Answer

  1. Editorial Team

    The ^{} notation is explained in the gitrevisions manual:

    <rev>^{}, e.g. v0.99.8^{}

    A suffix ^ followed by an empty brace pair means the object could be a tag, and dereference the tag recursively until a non-tag object is found.

    In this case – refs/tags/2011-11-04 is the tag that points to the tag object 0e4c39557ccb6789173c. By doing refs/tags/2011-11-04^{} we can dereference the tag to the final non-tag object, which in this case is – 966f8df553f18c486820 (a commit). Note that ^{} is a noop when applied to non-tag objects.

    The git show-ref command can be use to see tags as well as the final dereferenced non-tag objects:

    $ git show-ref --tags
3521017556c5de4159da4615a39fa4d5d2c279b5 refs/tags/v0.99.9c
423325a2d24638ddcc82ce47be5e40be550f4507 refs/tags/v1.0rc4^{}

$ git show-ref --tags --dereference
3521017556c5de4159da4615a39fa4d5d2c279b5 refs/tags/v0.99.9c
6ddc0964034342519a87fe013781abf31c6db6ad refs/tags/v0.99.9c^{}
055e4ae3ae6eb344cbabf2a5256a49ea66040131 refs/tags/v1.0rc4
423325a2d24638ddcc82ce47be5e40be550f4507 refs/tags/v1.0rc4^{}

    From the git show-ref manual:

    -d 
--dereference

    Dereference tags into object IDs as well. They will be shown with “^{}” appended.

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