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Editorial Team
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Asked: 2026-06-02T05:39:37+00:00

My question is about the gpg-agent command which performs caching for gpg keys and

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My question is about the gpg-agent command which performs caching for gpg keys and pass-phrases.

I want to know how to use it so that I can run multiple git tag -s commands in a script without having to enter my gpg pass-phrase each time.

The initial version of my script is something like this:

git branch -r | grep origin | grep pattern |while read BRANCH; do TAG=basename $BRANCH; git tag -s -m “tag $TAG release” “$TAG” “$BRANCH”; done;

I have two use-cases:

  1. I have about 20 of release branches that I want to convert into tags.
  2. I have about 40 release tags that I want to redo to follow a new naming convention.

I am looking for the command line for gpg-agent to run and then the gpg command I need to run to get my pass phrase cached so that it is useable when I do a git tag -s

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1 Answer

  1. Editorial Team

    This can be accomplished by running gpg-agent before running the script. For example:

    $ eval $( gpg-agent --daemon )
$ for branch in $( git branch -r | grep PATTERN ); do
>   tag="$( basename $BRANCH )"
>   git tag -sm "tag $tag release" "$tag" "$branch"
> done

    You will be prompted for your password for the first sign (unless gpg-agent had already been used prior to the first sign). If using the above method, be sure to kill the agent after you are done (e.g. pkill gpg-agent).

    More information on running the agent can be found here: http://www.gnupg.org/documentation/manuals/gnupg/Invoking-GPG_002dAGENT.html

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