Update cheatsheets

tldr/git-p4

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git p4
+
+> Import from and submit to Perforce repositories.
+> More information: <https://git-scm.com/docs/git-p4>.
+
+- Clone a Perforce depot into a new Git repository:
+
+`git p4 clone {{path/to/p4_depot}}`
+
+- Sync changes from Perforce into the current Git repository:
+
+`git p4 sync {{path/to/p4_depot}}`
+
+- Rebase local commits on top of the latest Perforce changes:
+
+`git p4 rebase`
+
+- Submit Git changes back to Perforce:
+
+`git p4 submit`
+
+- Clone the full Perforce history instead of only the latest changelist:
+
+`git p4 clone {{path/to/p4_depot}}@all`