Update cheatsheets

git-show

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git show
+
+> Show various types of Git objects (commits, tags, etc.).
+> More information: <https://git-scm.com/docs/git-show>.
+
+- Show information about the latest commit (hash, message, changes, and other metadata):
+
+`git show`
+
+- Show information about a given commit:
+
+`git show {{commit}}`
+
+- Show information about the commit associated with a given tag:
+
+`git show {{tag}}`
+
+- Show information about the 3rd commit from the HEAD of a branch:
+
+`git show {{branch}}~{{3}}`
+
+- Show a commit's message in a single line, suppressing the diff output:
+
+`git show --oneline -s {{commit}}`
+
+- Show only statistics (added/removed characters) about the changed files:
+
+`git show --stat {{commit}}`
+
+- Show only the list of added, renamed or deleted files:
+
+`git show --summary {{commit}}`
+
+- Show the contents of a file as it was at a given revision (e.g. branch, tag or commit):
+
+`git show {{revision}}:{{path/to/file}}`