Add initial Packit configuration

For now, Packit should trigger COPR buils for PRs and merges to the
`main` branch.

Signed-off-by: Tomáš Hozza <thozza@redhat.com>

.packit.yaml

@@ -0,0 +1,58 @@
+# https://packit.dev/docs/configuration/
+
+specfile_path: image-builder-cli.spec
+
+files_to_sync:
+    - image-builder-cli.spec
+    - .packit.yaml
+
+copy_upstream_release_description: true
+
+upstream_tag_template: v{version}
+
+srpm_build_deps: []
+actions:
+  get-current-version: bash -c "git describe --tags --abbrev=0 | sed 's|v||'"
+  post-upstream-clone: "./tools/rpm_spec_add_provides_bundle.sh"
+  create-archive: bash -c "make release_artifacts"
+
+# Handle only releases without a "dot" (e.g. v88.2), since "dot" releases should never be released to Fedora
+upstream_tag_include: 'v\d+'
+
+jobs:
+# image-builder-cli is not yet in Fedora, so we don't need to update it there
+# - job: bodhi_update
+#   trigger: commit
+#   dist_git_branches:
+#     - fedora-branched # rawhide updates are created automatically
+# - job: koji_build
+#   trigger: commit
+#   dist_git_branches:
+#     - fedora-all
+# - job: propose_downstream
+#   trigger: release
+#   dist_git_branches:
+#     - fedora-all
+- job: copr_build
+  trigger: pull_request
+  targets: &build_targets
+    - centos-stream-9-aarch64
+    - centos-stream-9-s390x
+    - centos-stream-9-ppc64le
+    - centos-stream-9-x86_64
+    - centos-stream-10-aarch64
+    - centos-stream-10-s390x
+    - centos-stream-10-ppc64le
+    - centos-stream-10-x86_64
+    - fedora-all-aarch64
+    - fedora-all-s390x
+    - fedora-all-ppc64le
+    - fedora-all
+    - rhel-9-aarch64
+    - rhel-9-x86_64
+- job: copr_build
+  trigger: commit
+  branch: main
+  owner: "@osbuild" # copr repo namespace
+  project: image-builder-cli  # copr repo name so you can consume the builds
+  targets: *build_targets