[CI]: Add podman_cidev container image build

.github/workflows/build_container_images.yml

@@ -20,14 +20,23 @@ jobs:
       matrix:
         image:
           - "skopeo_cidev"
+          - "podman_cidev"
+        include:
+          - image: skopeo_cidev
+            context: container-images/skopeo_cidev
+            file: container-images/skopeo_cidev/Containerfile
+          - image: podman_cidev
+            context: .
+            file: container-images/podman_cidev/Containerfile
     env:
       IMAGE: ghcr.io/${{ github.repository_owner }}/${{ matrix.image }}:${{ inputs.tag }}
-      CONTEXT: container-images/${{ matrix.image }}
+      CONTEXT: ${{ matrix.context }}
+      CONTAINERFILE: ${{ matrix.file }}
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Build image
-        run: podman build -t "$IMAGE" "$CONTEXT"
+        run: podman build -t "$IMAGE" -f "$CONTAINERFILE" "$CONTEXT"
 
       - name: Log in to ghcr.io
         if: ${{ inputs.push }}

container-images/podman_cidev/Containerfile

@@ -0,0 +1,13 @@
+ARG BASE_NAME=fedora
+ARG BASE_TAG=latest
+ARG BUILD_NAME=fedora-current
+FROM ${BASE_NAME}:${BASE_TAG}
+ARG BUILD_NAME
+
+# Required to keep perl & other tooling happy
+ENV LC_ALL="C"
+
+COPY images/fedora_packaging.sh /root/fedora_packaging.sh
+RUN CONTAINER=1 bash /root/fedora_packaging.sh "${BUILD_NAME}" && \
+    dnf clean all && \
+    rm /root/fedora_packaging.sh

container-images/podman_cidev/README.md

@@ -0,0 +1,8 @@
+# Podman CI/Dev image
+
+Built and pushed to `ghcr.io/podman-container-tools/podman_cidev:<tag>` by
+`.github/workflows/build_container_images.yml` on every release tag.
+
+Used by the [podman](https://github.com/containers/podman) and
+[buildah](https://github.com/containers/buildah) projects for container-based
+CI. Not intended for use outside those contexts.

images/fedora_packaging.sh

@@ -209,11 +209,13 @@ dnf install -y "${INSTALL_PACKAGES[@]}"
 # This may be due to activation of suggested/recommended dependency resolution.
 dnf update -y
 
-# Make /tmp tmpfs bigger, by default we only get 50%. Bump it to 75% so the tests have more storage.
-# Do not use 100% so we do not run out of memory for the process itself if tests start leaking big
-# files on /tmp.
-mkdir -p /etc/systemd/system/tmp.mount.d
-echo -e "[Mount]\nOptions=size=75%%,mode=1777\n" | $SUDO tee /etc/systemd/system/tmp.mount.d/override.conf
-
-# "Enabling cgroup management from containers"
-setsebool -P container_manage_cgroup true
+if ! ((CONTAINER)); then
+    # Make /tmp tmpfs bigger, by default we only get 50%. Bump it to 75% so the tests have more storage.
+    # Do not use 100% so we do not run out of memory for the process itself if tests start leaking big
+    # files on /tmp.
+    mkdir -p /etc/systemd/system/tmp.mount.d
+    echo -e "[Mount]\nOptions=size=75%%,mode=1777\n" | $SUDO tee /etc/systemd/system/tmp.mount.d/override.conf
+
+    # "Enabling cgroup management from containers"
+    setsebool -P container_manage_cgroup true
+fi