Add "nix profile rollback" command

1 files changed, 26 insertions, 0 deletions

diff --git a/src/nix/profile-rollback.md b/src/nix/profile-rollback.md
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+R""(
+
+# Examples
+
+* Roll back your default profile to the previous version:
+
+  ```console
+  # nix profile rollback
+  switching from generation 519 to 518
+  ```
+
+* Switch your default profile to version 510:
+
+  ```console
+  # nix profile rollback --to 510
+  switching from generation 518 to 510
+  ```
+
+# Description
+
+This command switches a profile to the most recent version older
+than the currently active version, or if `--to` *N* is given, to
+version *N* of the profile. To see the available versions of a
+profile, use `nix profile history`.
+
+)""