WIP: Test pkg replacement/obsoletion. [incomplete]

.github/workflows/pkg.yml

@@ -401,12 +401,12 @@ jobs:
 
       rpm_scriptlets_path: pkg/rpm/scriptlets.toml
 
-  test_with_alt_cargo_toml:
-    if: ${{ inputs.single_job == '' || inputs.single_job == 'test_with_alt_cargo_toml' }}
+  test_with_cargo_workspace:
+    if: ${{ inputs.single_job == '' || inputs.single_job == 'test_with_cargo_workspace' }}
     uses: NLnetLabs/ploutos/.github/workflows/pkg-rust.yml@v7
     secrets: inherit
     with:
-      artifact_prefix: test_with_alt_cargo_toml
+      artifact_prefix: test_with_cargo_workspace_
       manifest_dir: virtual
       workspace_package: app
 
@@ -420,3 +420,51 @@ jobs:
           - "fresh-install"
         target:
           - "x86_64"
+
+  test_with_obsolete_pkg_replacement:
+    if: ${{ inputs.single_job == '' || inputs.single_job == 'test_with_obsolete_pkg_replacement' }}
+    uses: NLnetLabs/ploutos/.github/workflows/pkg-rust.yml@120-upgrade-cargo-generate-rpm-to-support-posttrans
+    secrets: inherit
+    with:
+      artifact_prefix: test_with_obsolete_pkg_replacement_
+      manifest_dir: successor
+
+      package_build_rules: |
+        pkg:
+          - "successor"
+        image:
+          - "rockylinux:8"
+          - "ubuntu:jammy"
+        mode:
+          - "fresh-install"
+          - "upgrade-from-published"
+        target:
+          - "x86_64"
+
+      package_test_rules: |
+        pkg:
+          - "successor"
+        published_pkg:
+          - "mytest"
+        image:
+          - "ubuntu:jammy" # ubuntu/22.04
+          - "centos:8"
+        mode:
+          - "fresh-install"
+          - "upgrade-from-published"
+        target:
+          - "x86_64"
+
+      package_test_scripts_path: pkg/test-scripts/test-mytest-successor.sh
+
+      deb_apt_key_url: 'https://raw.githubusercontent.com/NLnetLabs/ploutos-testing/main/repo/apt-key.asc'
+      deb_apt_source: 'deb https://raw.githubusercontent.com/NLnetLabs/ploutos-testing/main/repo/linux/${OS_NAME}/ ${OS_REL} main'
+
+      rpm_scriptlets_path: pkg/rpm/scriptlets-successor.toml
+      rpm_yum_key_url: 'https://raw.githubusercontent.com/NLnetLabs/ploutos-testing/main/repo/yum-key.asc'
+      rpm_yum_repo: |
+        [nlnetlabs]
+        name=NLnet Labs
+        baseurl=https://raw.githubusercontent.com/NLnetLabs/ploutos-testing/main/repo/linux/centos/$releasever/main/$basearch
+        enabled=1
+    

Cargo.toml

@@ -2,7 +2,7 @@
 [workspace]
 members = [
     "adder"
-]
+, "successor"]
 
 [package]
 name = "mytest"

successor/Cargo.toml

@@ -0,0 +1,44 @@
+# This package is intended to 
+[package]
+name = "successor"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+
+# Stupid trick to stop Cargo searching upwards for a parent Cargo.toml.
+# See:
+#   - https://github.com/rust-lang/cargo/issues/4992#issuecomment-362143452
+#   - https://github.com/rust-lang/cargo/issues/7871
+[workspace]
+
+[package.metadata.deb]
+name = "successor"
+priority = "optional"
+section = "net"
+extended-description-file = "pkg/debian/description.txt"
+license-file = ["LICENSE", "0"]
+maintainer-scripts = "pkg/debian/"
+changelog = "target/debian/changelog" # this will be generated by the pkg workflow
+copyright = "Copyright (c) 2022, Your Company. All rights reserved."
+assets = [
+    ["target/release/successor", "/usr/bin/successor", "755"],
+]
+replaces = "mytest"
+
+[package.metadata.generate-rpm]
+# "BSD" alone is the 3-clause license. Inheriting "license" from above causes rpmlint to
+# complain with "invalid-license".
+# See: https://fedoraproject.org/wiki/Licensing:Main?rd=Licensing
+license = "BSD"
+assets = [
+    { source = "target/release/successor", dest = "/usr/bin/successor", mode = "755" },
+]
+
+# These get set using cargo-generate-rpm --set-metadata at package build time.
+#post_install_script = ...
+#pre_uninstall_script = ...
+#post_uninstall_script = ...
+
+[package.metadata.generate-rpm.obsoletes]
+mytest = "*"

successor/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello from successor!");
+}