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git [2022-09-01] – removed - external edit (Unknown date) 127.0.0.1git [2025-03-18] (current) – hanez
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 +====== Git ======
  
 +===== Add tag =====
 +
 +<code shell>git tag TAG</code>
 +
 +==== Commit a tag ====
 +
 +<code>git push origin TAG</code>
 +
 +==== Commit all tags ====
 +
 +<code>git push origin --tags</code>
 +
 +Source: [[https://stackoverflow.com/questions/18216991/create-a-tag-in-a-github-repository]]
 +
 +===== Clone a specific tag =====
 +
 +<code bash>git clone --depth 1 --branch <tag_name> <repo_url></code>
 +
 +===== Specify the private SSH-key to use when executing a Git command: =====
 +
 +<code bash>ssh-agent bash -c 'ssh-add /home/git/.ssh/key-filename; git $GIT_COMMAND'</code>
 +  
 +Example:
 +
 +<code bash>ssh-agent bash -c 'ssh-add /home/git/.ssh/key-filename; git push'</code>
 +
 +Source: [[https://stackoverflow.com/questions/4565700/how-to-specify-the-private-ssh-key-to-use-when-executing-shell-command-on-git]]
 +
 +===== Remove submodule =====
 +
 +0. mv a/submodule a/submodule_tmp
 +
 +1. git submodule deinit -f -- a/submodule
 +
 +2. rm -rf .git/modules/a/submodule
 +
 +3. 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 ====
 +
 +3. 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 undo all uncommitted or unsaved changes =====
 +
 +<code>git checkout .</code>
 +
 +Or:
 +
 +<code>git checkout [some_dir|file.txt]</code>
 +
 +Source: [[https://stackoverflow.com/questions/14075581/git-undo-all-uncommitted-or-unsaved-changes]]
 +
 +===== How to undo local changes to a specific file =====
 +
 +<code>git checkout -- <file></code>
 +
 +Source: [[https://stackoverflow.com/questions/31281679/how-to-undo-local-changes-to-a-specific-file]]
 +
 +===== Undo all uncommitted or unsaved changes =====
 +
 +Source: [[https://stackoverflow.com/questions/14075581/git-undo-all-uncommitted-or-unsaved-changes]]
 +
 +===== Getting the difference between two repositories =====
 +
 +<code>git remote add -f b path/to/repo_b.git
 +git remote update
 +git diff master remotes/b/master
 +git remote rm b</code>
 +
 +Source: [[https://stackoverflow.com/questions/1968512/getting-the-difference-between-two-repositories]]
 +
 +
 +===== How do I "commit" changes in a git submodule? =====
 +
 +So, first commit/push your submodule's changes:
 +
 +<code>cd path/to/submodule
 +git add <stuff>
 +git commit -m "comment"
 +git push</code>
 +
 +Then, update your main project to track the updated version of the submodule:
 +
 +<code>cd /main/project
 +git add path/to/submodule
 +git commit -m "updated my submodule"
 +git push</code>
 +
 +Source: [[https://stackoverflow.com/questions/5542910/how-do-i-commit-changes-in-a-git-submodule]]
 +
 +===== Remove sensitive files and their commits from Git history =====
 +
 +<code>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</code>
 +
 +
 +Source: [[https://stackoverflow.com/questions/872565/remove-sensitive-files-and-their-commits-from-git-history]]
 +
 +===== How to merge two or multiple git repositories into one =====
 +
 +  * [[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]]