in_podman: use tmpfs

Signed-off-by: flouthoc <[email protected]>

contrib/cirrus/lib.sh

@@ -192,10 +192,13 @@ in_podman() {
         envargs+=("-e" "$var")
     done <<<"$(passthrough_envars)"
 
+    mount -t tmpfs -o size=75%,mode=0700 none /tmp
+
     showrun podman run -i --name="$IN_PODMAN_NAME" \
                    --net=host \
                    --privileged \
                    --cgroupns=host \
+		   --tmpfs /tmp:mode=1777 \
                    "${envargs[@]}" \
                    -e BUILDAH_ISOLATION \
                    -e STORAGE_DRIVER \
@@ -205,6 +208,7 @@ in_podman() {
                    -v "$HOME/auth:$HOME/auth:ro" \
                    -v /sys/fs/cgroup:/sys/fs/cgroup:rw \
                    -v /dev/fuse:/dev/fuse:rw \
+                   -v /tmp:/var/lib/containers:rw \
                    -v "$GOSRC:$GOSRC:z" \
                    --workdir "$GOSRC" \
                    "$@"

contrib/cirrus/setup.sh

@@ -83,9 +83,12 @@ esac
 # Previously, golang was not installed
 source $(dirname $0)/lib.sh
 
-# mount a tmpfs for the container storage to speed up the IO
-# side effect is we clear all potentially pre existing data so we know we always start "clean"
-mount -t tmpfs -o size=75%,mode=0700 none /var/lib/containers
+if [[ "${IN_PODMAN:-false}" != "true" ]]
+then
+	# mount a tmpfs for the container storage to speed up the IO
+	# side effect is we clear all potentially pre existing data so we know we always start "clean"
+	mount -t tmpfs -o size=75%,mode=0700 none /var/lib/containers
+fi
 
 echo "Configuring /etc/containers/registries.conf"
 mkdir -p /etc/containers