Pan Ruochen questions

• how could I rewind my work on top of FETCH_HEAD
• How to find out in which commit a file is removed?
• How to find files with specific case-insensitive extension names in Python [duplicate]
• Got exit code 123 in find + xargs grep
• Setting IFS to null byte does not split lines correctly in command line
• How to give arguments after Here Document?
• git cannot squash commits
• Gerrit error when Change-Id in commit messages are missing

Pan Ruochen answers