e2e: Bump Fedora to 45 and Ubuntu to resolute

.github/workflows/e2e.yaml

@@ -52,9 +52,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - name: Fedora 43
+          - name: Fedora 45
             test: TestFedora
-            release: "43"
+            release: "45"
           - name: CentOS Stream 10
             test: TestCentOSStream
             release: "10"
@@ -67,9 +67,9 @@ jobs:
           - name: Debian trixie
             test: TestDebian
             release: trixie
-          - name: Ubuntu noble
+          - name: Ubuntu resolute
             test: TestUbuntu
-            release: noble
+            release: resolute
           - name: Arch Linux latest
             test: TestArch
             release: latest

openspec/specs/e2e-github-workflow/spec.md

@@ -30,15 +30,15 @@ Each matrix job SHALL have a `timeout-minutes` of 5.
 - **THEN** the job is cancelled by GitHub Actions
 
 ### Requirement: Matrix includes all supported distro/release tuples
-The workflow matrix SHALL include the following distro/release tuples: Fedora 43, CentOS Stream 10, AlmaLinux 10, Rocky Linux 10, Debian trixie, Ubuntu noble, Arch Linux latest.
+The workflow matrix SHALL include the following distro/release tuples: Fedora 45, CentOS Stream 10, AlmaLinux 10, Rocky Linux 10, Debian trixie, Ubuntu resolute, Arch Linux latest.
 
 #### Scenario: All distros are represented in the matrix
 - **WHEN** the e2e workflow is triggered
-- **THEN** jobs are created for Fedora 43, CentOS Stream 10, AlmaLinux 10, Rocky Linux 10, Debian trixie, Ubuntu noble, and Arch Linux latest
+- **THEN** jobs are created for Fedora 45, CentOS Stream 10, AlmaLinux 10, Rocky Linux 10, Debian trixie, Ubuntu resolute, and Arch Linux latest
 
 ### Requirement: Workflow job steps
 Each matrix job SHALL checkout the repository, set up Go, and run the e2e test for the specific distro using `go test -tags e2e -run <TestFunction> ./test/e2e/` with the `E2E_RELEASE` environment variable set from the matrix.
 
 #### Scenario: Job executes test with correct parameters
-- **WHEN** a matrix job for Fedora 43 runs
-- **THEN** it executes `go test -tags e2e -run TestFedora ./test/e2e/` with `E2E_RELEASE=43`
+- **WHEN** a matrix job for Fedora 45 runs
+- **THEN** it executes `go test -tags e2e -run TestFedora ./test/e2e/` with `E2E_RELEASE=45`

openspec/specs/e2e-multi-distro/spec.md

@@ -46,7 +46,7 @@ The test suite SHALL include a Rocky Linux test function `TestRockyLinux` using
 - **THEN** the command exits successfully and cached `.rpm` files exist under the `copr/` cache subdirectory
 
 ### Requirement: Ubuntu e2e test
-The test suite SHALL include an Ubuntu test function `TestUbuntu` using a `docker.io/library/ubuntu:noble` container (or the release specified by `E2E_RELEASE`). The test SHALL configure apt with sources pointing at the pkgproxy `ubuntu` and `ubuntu-security` repositories. The `sources.list` SHALL be generated by the Go test and mounted into the container.
+The test suite SHALL include an Ubuntu test function `TestUbuntu` using a `docker.io/library/ubuntu:resolute` container (or the release specified by `E2E_RELEASE`). The test SHALL configure apt with sources pointing at the pkgproxy `ubuntu` and `ubuntu-security` repositories. The `sources.list` SHALL be generated by the Go test and mounted into the container.
 
 #### Scenario: Ubuntu metadata refresh succeeds
 - **WHEN** the Ubuntu container runs `apt-get update` through pkgproxy
@@ -64,7 +64,7 @@ The pkgproxy configuration (`configs/pkgproxy.yaml`) SHALL include a `ubuntu-sec
 - **THEN** the `ubuntu-security` repository is available with at least one upstream mirror
 
 ### Requirement: Fully qualified container image names
-All e2e tests SHALL use fully qualified container image names including the registry (e.g., `docker.io/library/fedora:43`, `quay.io/centos/centos:stream10`). Tests SHALL NOT depend on container runtime defaults for registry resolution.
+All e2e tests SHALL use fully qualified container image names including the registry (e.g., `docker.io/library/fedora:45`, `quay.io/centos/centos:stream10`). Tests SHALL NOT depend on container runtime defaults for registry resolution.
 
 #### Scenario: Images use fully qualified names
 - **WHEN** any e2e test starts a container

openspec/specs/e2e-testing/spec.md

@@ -50,11 +50,11 @@ The e2e test package SHALL use a `TestMain` function to build the pkgproxy binar
 - **THEN** each starts a separate pkgproxy process from the shared binary, with its own port and cache directory
 
 ### Requirement: E2E_RELEASE environment variable for release parameterization
-Each top-level e2e test function SHALL read the `E2E_RELEASE` environment variable to determine the distribution release version. If `E2E_RELEASE` is not set, the test SHALL use a sensible default release (e.g., `43` for Fedora, `trixie` for Debian, `noble` for Ubuntu, `10` for CentOS Stream/AlmaLinux/Rocky Linux).
+Each top-level e2e test function SHALL read the `E2E_RELEASE` environment variable to determine the distribution release version. If `E2E_RELEASE` is not set, the test SHALL use a sensible default release (e.g., `45` for Fedora, `trixie` for Debian, `resolute` for Ubuntu, `10` for CentOS Stream/AlmaLinux/Rocky Linux).
 
 #### Scenario: Default release is used when E2E_RELEASE is unset
 - **WHEN** `TestFedora` runs without `E2E_RELEASE` set
-- **THEN** the test uses the default release `43`
+- **THEN** the test uses the default release `45`
 
 #### Scenario: E2E_RELEASE overrides the default
 - **WHEN** `TestFedora` runs with `E2E_RELEASE=42`
@@ -87,7 +87,7 @@ The `make e2e` target SHALL accept optional `DISTRO` and `RELEASE` parameters. W
 - **THEN** only `TestFedora` runs with `E2E_RELEASE=42`
 
 ### Requirement: Fedora e2e test
-The test suite SHALL include a top-level `TestFedora` test function using a `docker.io/library/fedora:<release>` container (where release defaults to `43` or is set via `E2E_RELEASE`). The test SHALL configure dnf to use pkgproxy for the `fedora` repository and include a COPR subtest for `ganto/jo` using the `fedora-$releasever-$basearch` pattern. GPG verification SHALL remain enabled for the base repo, disabled for COPR.
+The test suite SHALL include a top-level `TestFedora` test function using a `docker.io/library/fedora:<release>` container (where release defaults to `45` or is set via `E2E_RELEASE`). The test SHALL configure dnf to use pkgproxy for the `fedora` repository and include a COPR subtest for `ganto/jo` using the `fedora-$releasever-$basearch` pattern. GPG verification SHALL remain enabled for the base repo, disabled for COPR.
 
 #### Scenario: Fedora metadata refresh succeeds
 - **WHEN** the Fedora container runs `dnf makecache` through pkgproxy

test/e2e/e2e_test.go

@@ -210,7 +210,7 @@ func dnfRepoFile(t *testing.T, name string, content string) string {
 }
 
 func TestFedora(t *testing.T) {
-	release := releaseOrDefault("43")
+	release := releaseOrDefault("45")
 	proxyAddr, cacheDir := setupPkgproxy(t)
 
 	repoFile := dnfRepoFile(t, "fedora", fmt.Sprintf(`[fedora]
@@ -414,7 +414,7 @@ gpgcheck=0
 }
 
 func TestUbuntu(t *testing.T) {
-	release := releaseOrDefault("noble")
+	release := releaseOrDefault("resolute")
 	proxyAddr, cacheDir := setupPkgproxy(t)
 
 	sourcesList := filepath.Join(t.TempDir(), "sources.list")

test/e2e/test-dnf.sh

@@ -14,7 +14,9 @@ echo "==> Proxy: ${PROXY_ADDR}"
 echo "==> Packages: ${PACKAGES[*]}"
 
 # Remove all default repo files so only the mounted pkgproxy repo is used.
+# Newer Fedora releases ship their stock repos in /usr/share/dnf5/repos.d.
 find /etc/yum.repos.d/ -name '*.repo' ! -name 'pkgproxy-*' -delete
+rm -f /usr/share/dnf5/repos.d/*.repo
 
 echo "==> Repo files:"
 for f in /etc/yum.repos.d/pkgproxy-*.repo; do