Exploring history is an important part of Git, and often it is a challenge to find the right commit ID, especially if the commit is from several months ago.
Imagine the recipes project has more than 50 files. You would like to find a commit that modifies some specific text in guacamole.md. When you type git log, a very long list appeared. How can you narrow down the search?
Recall that the git diff command allows us to explore one specific file, e.g., git diff guacamole.md. We can apply a similar idea here.
$ git log guacamole.md
Unfortunately some of these commit messages are very ambiguous, e.g., update files. How can you search through these files?
Both git diff and git log are very useful and they summarize a different part of the history for you. Is it possible to combine both? Let’s try the following:
$ git log --patch guacamole.md
You should get a long list of output, and you should be able to see both commit messages and the difference between each commit.
Question: What does the following command do?
$ git log --patch HEAD~9 *.md