[CI:BUILD] Packit: run cockpit-podman tests in PRs

See https://cockpit-project.org/blog/tmt-cross-project-testing.html

[NO NEW TESTS NEEDED] - quiesce bot, that whole commit *is* a new test

Signed-off-by: Martin Pitt <mpitt@redhat.com>

.fmf/version

@@ -0,0 +1 @@
+1

.packit.yaml

@@ -33,6 +33,22 @@ jobs:
     project: podman-next
     enable_net: true
 
+  - job: tests
+    identifier: cockpit-revdeps
+    trigger: pull_request
+    targets:
+      - fedora-all
+    tf_extra_params:
+      environments:
+        - artifacts:
+          - type: repository-file
+            id: https://copr.fedorainfracloud.org/coprs/g/cockpit/main-builds/repo/fedora-$releasever/group_cockpit-main-builds-fedora-$releasever.repo
+          - type: repository-file
+            id: https://copr.fedorainfracloud.org/coprs/rhcontainerbot/podman-next/repo/fedora-$releasever/rhcontainerbot-podman-next-fedora-$releasever.repo
+          tmt:
+            context:
+              revdeps: "yes"
+
   - job: propose_downstream
     trigger: release
     update_release: false

plans/cockpit-podman.fmf

@@ -0,0 +1,32 @@
+# reverse dependency test for https://github.com/cockpit-project/cockpit-podman/
+# if this fails in a non-obvious way, please contact the cockpit team in your PR for investigation:
+# @martinpitt, @jelly, @marusak
+enabled: false
+
+adjust+:
+  when: revdeps == yes
+  enabled: true
+
+discover:
+    how: fmf
+    url: https://github.com/cockpit-project/cockpit-podman
+    ref: "main"
+
+execute:
+    how: tmt
+
+# This has to duplicate cockpit-podman's plan structure; see https://github.com/teemtee/tmt/issues/1770
+/podman-system:
+    summary: Run cockpit-podman system tests
+    discover+:
+        test: /test/browser/system
+
+/podman-user:
+    summary: Run cockpit-podman user tests
+    discover+:
+        test: /test/browser/user
+
+/podman-misc:
+    summary: Run other cockpit-podman tests
+    discover+:
+        test: /test/browser/other