Git log with full diff

Git log full-text with search

git log -p | grep <SEARCH_STRING>

Git log of a single file

$> git log -p --follow <PATH/FILENAME>

Git log of a single commit

todo

Git diff between two branches

git log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%Creset' --abbrev-commit --date=relative master..myBranchName

Git diff of a single branch from date range

git log --since="1 week ago" --until="yesterday"

Find out when a branch was created

git show --summary `git merge-base mySuperBranchName master`

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See also How to colourize diff output to HTML