This is useful to cherry-pick merged changes rather performing a squash on all of the commits. This is essentially the same thing.
git cherry-pick -m 1 5a5f9c5
Where 5a5f9c5 is a merge commit. One can also see the changelog of a branch
only showing merge commits.
git log --first-parent main
This is essentially the equivalent of squashing commits from the branch where the changes were merged from.
Find a file in history.
git rev-list --all -- 'somefile'
Search the contents of a file in the current checkout.
git grep <regexp>
Search all of the history for the contents.
git rev-list --all | xargs git grep <regexp>
Limit search all of the history on just a specific file.
git grep <regexp> $(git rev-list --all -- somefile)
Using rsync to deploy github pages from a build directory.
rsync -av --exclude '.git' --delete-after ./build/doc/groovydoc/ ./