![]() This data loss is irreversible, so it's critical that we understand how –hard works with Git's three trees. Looking at the contents of test_file shows us that our latest text additions aren't present, and our new_test_file no longer exists. Git will tell us that the HEAD is now at the commit hash specified. ![]() Let's say we then decide to revert to the first commit in the repository. Git commit -m "More text added to test_file, added new_test_file" Next step is similar to what you do for a new project, add all the new files. We'll lose a ny pending or uncommitted work in the staging index and working index.Īdding on to the example above, let's commit some more content to the file, and also commit a brand new file to the repository: echo "Text to be committed" > test_file Lets try creating a new branch for this with an orphan switch. ![]() Any previously pending changes to the staging index and working directory reset to match the state of the commit tree. Step 0 - Preparation Before manipulating the Git history, ensure that your working directory is clean of any changes using the git status command. After this, the staging index and working index reset to match that of the specified commit. HEAD shows your current branch, or current commit, meaning that all git reset hard HEAD will do is to throw away all of the uncommitted changes you have. The most dangerous and frequently used option with this invocation is commit history, as ref pointers update to the specified commit.
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