Document behavior of --timestamp when only FROM is used

Fixes: #15171 Signed-off-by: Tomas Volf <tomas.volf@showmax.com>
2022-08-03 12:24:38 +02:00 · 2022-08-03 12:24:38 +02:00 · 245be9b394
parent 89ab5c9fab
commit 245be9b394
1 changed files with 2 additions and 0 deletions
--- a/docs/source/markdown/podman-build.1.md.in
+++ b/docs/source/markdown/podman-build.1.md.in
@ -652,6 +652,8 @@ specified and therefore not changed, allowing the image's sha256 hash to remain
 same. All files committed to the layers of the image will be created with the
 timestamp.

+If the only instruction in a Containerfile is `FROM`, this flag has no effect.
+
 #### **--tls-verify**

 Require HTTPS and verify certificates when talking to container registries