Add branches contain/not contain commit

snippets/branches-containing-commit.md

@@ -0,0 +1,18 @@
+---
+title: Find branches containing a commit
+tags: branch,commit,beginner
+---
+
+Prints all the branches containing a specific commit.
+
+- Use `git branch --contains <commit>` to see a list of all branches containing `<commit>`.
+
+```sh
+git branch --contains <commit>
+```
+
+```sh
+git branch --contains 3050fc0d3
+# patch-1
+# patch-2
+```

snippets/branches-not-containing-commit.md

@@ -0,0 +1,18 @@
+---
+title: Find branches not containing a commit
+tags: branch,commit,beginner
+---
+
+Prints all the branches not containing a specific commit.
+
+- Use `git branch --no-contains <commit>` to see a list of all branches not containing `<commit>`.
+
+```sh
+git branch --no-contains <commit>
+```
+
+```sh
+git branch --no-contains 3050fc0d3
+# patch-3
+# patch-4
+```