问题
I have created a Git tag as v1.1 using
git tag -a v1.1 -m 'my version 1.1'
and I pushed that tag. Later, I made some changes related to v1.1. Now when I push new changes and check the git tag using
git describe it is showing me v1.1-g2dcc97.
How can I add my new commit to the existing tag?
回答1:
You can't put a new commit into an existing tag without breaking an important Git guideline: Never(*) modify commits that you have published.
Tags in Git aren't meant to be mutable. Once you push a tag out there, leave it alone.
You can, however, add some changes on top of v1.1 and release something like v1.1.1 or v1.2. One way of doing that would be
# Create a new branch from tag v1.1
git checkout -b newbranch v1.1
# Do some work and commit it
# Create a new tag from your work
git tag -a -m "Tag version 1.1.1, a bugfix release" v1.1.1
(*) Unless you have a really super special reason for doing so, and only if you completely understand the implications, and even then, don't make a habit of it.
回答2:
If you absolutely need to "move" the tag instead of creating a new one, You can do this:
NB: As @Chris said, make sure you have a good reason for not wanting to create a new tag because the best practice is to create a new one
1. Checkout the tag (a Detached HEAD)
git checkout tag/v1.1
2. Create and Checkout a branch off that tag (i.e. Branching off the tag)
git checkout -b my-tagged-branch
*** do work and commit changes ***
3. Push to the remote branch.
git push -u origin my-tagged-branch
If needed merge branch into other branches that need the change (in case of a bug fix for example)
4. While still on my-tagged-branch, Delete the tag
git tag -d v1.1
5. Create the tag again: This will "move" the tag to point to your latest commit on that branch
git tag v1.1
6. Delete the tag on remote
git push origin :v1.1
7. Create the tag on remote
git push origin v1.1
来源：https://stackoverflow.com/questions/21459540/add-new-commit-to-the-existing-git-tag