Update cheatsheets

git-log

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git log
+
+> Show a history of commits.
+> More information: <https://git-scm.com/docs/git-log>.
+
+- Show the sequence of commits starting from the current one, in reverse chronological order of the Git repository in the current working directory:
+
+`git log`
+
+- Show the history of a particular file or directory, including differences:
+
+`git log -p {{path/to/file_or_directory}}`
+
+- Show an overview of which file(s) changed in each commit:
+
+`git log --stat`
+
+- Show a graph of commits in the current branch using only the first line of each commit message:
+
+`git log --oneline --graph`
+
+- Show a graph of all commits, tags and branches in the entire repo:
+
+`git log --oneline --decorate --all --graph`
+
+- Show only commits whose messages include a given string (case-insensitively):
+
+`git log -i --grep {{search_string}}`
+
+- Show the last N commits from a certain author:
+
+`git log -n {{number}} --author={{author}}`
+
+- Show commits between two dates (yyyy-mm-dd):
+
+`git log --before="{{2017-01-29}}" --after="{{2017-01-17}}"`