Fix tag clobbering

Author: EndBug

README.md

@@ -70,7 +70,8 @@ The script will not stop if one of the git commands fails. E.g.: if your command
 
 ### Tagging:
 
-You can tag commits with the `tag` option: when used, it will create a lightweight tag for the commit with the name you set as input. If not entered (or if an empty string is passed) teh action won't create any tag.
+You can tag commits with the `tag` option: when used, it will create a lightweight tag for the commit with the name you set as input. If not entered (or if an empty string is passed) teh action won't create any tag.  
+If there is already a tag with the name you entered it will be overwritten, and so the tag will be "updated".
 
 ### Examples:
 

src/entrypoint.sh

@@ -75,8 +75,11 @@ if ! git diff --cached --quiet --exit-code; then
     echo "Tagging commit..."
     tag
 
-    echo "Pushing to repo..."
-    git push --set-upstream origin "$INPUT_REF" --tags
+    echo "Pushing commits to repo..."
+    git push --set-upstream origin "$INPUT_REF"
+
+    echo "Pushing tags to repo..."
+    git push --set-upstream origin "$INPUT_REF" --force --tags
 
     echo "::endgroup::"
     echo "Task completed."