git tag TAG

git push origin TAG

git push origin --tags

Source: https://stackoverflow.com/questions/18216991/create-a-tag-in-a-github-repository

git clone --depth 1 --branch <tag_name> <repo_url>

ssh-agent bash -c 'ssh-add /home/git/.ssh/key-filename; git $GIT_COMMAND'

Example:

ssh-agent bash -c 'ssh-add /home/git/.ssh/key-filename; git push'

Source: https://stackoverflow.com/questions/4565700/how-to-specify-the-private-ssh-key-to-use-when-executing-shell-command-on-git

1. mv a/submodule a/submodule_tmp
2. git submodule deinit -f – a/submodule
3. rm -rf .git/modules/a/submodule
4. git rm -f a/submodule # Note: a/submodule (no trailing slash)

   or, if you want to leave it in your working tree and have done step 0
5. git rm –cached a/submodule

3bis mv a/submodule_tmp a/submodule

Source: https://stackoverflow.com/questions/1260748/how-do-i-remove-a-submodule

git checkout .

Or:

git checkout [some_dir|file.txt]

Source: https://stackoverflow.com/questions/14075581/git-undo-all-uncommitted-or-unsaved-changes

git checkout -- <file>

Source: https://stackoverflow.com/questions/31281679/how-to-undo-local-changes-to-a-specific-file

Source: https://stackoverflow.com/questions/14075581/git-undo-all-uncommitted-or-unsaved-changes

git remote add -f b path/to/repo_b.git
git remote update
git diff master remotes/b/master
git remote rm b

Source: https://stackoverflow.com/questions/1968512/getting-the-difference-between-two-repositories

So, first commit/push your submodule's changes:

cd path/to/submodule
git add <stuff>
git commit -m "comment"
git push

Then, update your main project to track the updated version of the submodule:

cd /main/project
git add path/to/submodule
git commit -m "updated my submodule"
git push

Source: https://stackoverflow.com/questions/5542910/how-do-i-commit-changes-in-a-git-submodule

git filter-branch --force --index-filter "git rm -r --cached --ignore-unmatch PATH-TO-YOUR-FILE-WITH-SENSITIVE-DATA" --prune-empty --tag-name-filter cat -- --all
git push --force --verbose --dry-run
git push --force

Source: https://stackoverflow.com/questions/872565/remove-sensitive-files-and-their-commits-from-git-history

• https://medium.com/altcampus/how-to-merge-two-or-multiple-git-repositories-into-one-9f8a5209913f
• https://stackoverflow.com/questions/1425892/how-do-you-merge-two-git-repositories
• https://github.com/apenwarr/git-subtree