Add reverting commit

doc/remotes.org

@@ -71,6 +71,22 @@ Second option:
 
 Set the remote stream (~origin~ on this example) as ~main~ branch:
 
+should create a branch called "main", then set as "upstream"
+
+#+begin_example bash
+  git branch --set-upstream-to=origin/main
+#+end_example
+
+After this, you can use:
+
+#+begin_example bash
+  git pull
+#+end_example
+
+And the branch "main" would be used as remote.
+
+Optionally you may use the following when you have a new local repository:
+
 #+begin_example bash
   git branch -u origin/main
 #+end_example

doc/undo_changes.org

@@ -26,3 +26,36 @@ Unmodify a modified (not staged) file
 #+begin_example bash
   git restore file2
 #+end_example
+
+** Reverting commits
+
+First, check logs to verify the commiy hash you want to revert:
+
+#+begin_example bash
+  git log --oneline
+#+end_example
+
+Verify the commit you wish to revert (use commit hash as argument):
+
+#+begin_example bash
+  git show 0114c758775d852a82f06ea439fdbc5200b36ed7
+#+end_example
+
+Then, revert it:
+
+#+begin_example bash
+  git revert --strategy resolve 0114c758775d852a82f06ea439fdbc5200b36ed7
+#+end_example
+
+#+begin_example bash
+  git branch temp-branch
+  git checkout master
+  git merge temp-branch
+  git push origin main
+#+end_example
+
+ * [[https://stackoverflow.com/questions/30471557/git-push-master-fatal-you-are-not-currently-on-a-branch][Reference]]
+
+#+begin_example bash
+  git log --pretty=format:"%h %s" --graph
+#+end_example