packit: Build PRs into default packit COPRs

Building all PRs of all container projects into the same COPR does not
properly isolate PRs from each other: E.g. a podman PR currently runs
against whichever crun PR was opened/updated last; in other words,
sending a broken crun PR will instantly break tests for all subsequent
podman runs.

To avoid that, change the copr_build configuration to use the packit
default COPRs, which are specific to the particular PR, and disappear
after a few weeks. Depending projects like podman should only run
against what landed in crun/main, i.e. the podman-next COPR.

Note that this does not preclude testing a podman PR against a crun PR:
This can be explicitly requested [1]. But most PRs don't change the API
and thus should default to isolation.

[1] https://packit.dev/posts/testing-farm-triggering

Signed-off-by: Martin Pitt <[email protected]>

.packit.yaml

@@ -2,30 +2,34 @@
 # See the documentation for more information:
 # https://packit.dev/docs/configuration/
 
-# Build targets can be found at:
-# https://copr.fedorainfracloud.org/coprs/rhcontainerbot/packit-builds/
-
 specfile_path: rpm/crun.spec
 
+srpm_build_deps:
+  - git-archive-all
+  - make
+actions:
+  create-archive:
+    - "git-archive-all -v --force-submodules rpm/crun-HEAD.tar.xz"
+    - bash -c "ls -1 rpm/crun-HEAD.tar.xz"
+
 jobs:
-  - &copr
-    job: copr_build
+  - job: copr_build
     trigger: pull_request
-    owner: rhcontainerbot
-    project: packit-builds
-    enable_net: true
-    srpm_build_deps:
-      - git-archive-all
-      - make
-    actions:
-      create-archive:
-        - "git-archive-all -v --force-submodules rpm/crun-HEAD.tar.xz"
-        - bash -c "ls -1 rpm/crun-HEAD.tar.xz"
+    targets:
+      - fedora-all-x86_64
+      - fedora-all-aarch64
+      - centos-stream-8-x86_64
+      - centos-stream-8-aarch64
+      - centos-stream-9-x86_64
+      - centos-stream-9-aarch64
+    additional_repos:
+      - "copr://rhcontainerbot/podman-next"
 
-  - <<: *copr
-    # Run on commit to main branch
+  # Run on commit to main branch
+  - job: copr_build
     trigger: commit
     branch: main
+    owner: rhcontainerbot
     project: podman-next
 
   - job: propose_downstream