test: mount ld.so.cache in minimal nspawn container if present

In some cases (SUSE Tumbleweed) this is needed as a library (libz) is
not in the default path, so it fails to run.

(cherry picked from commit 1e17e48b96bb509754a0a11ea8bd0394965564c6)

diff --git a/test/units/TEST-13-NSPAWN.nspawn.sh b/test/units/TEST-13-NSPAWN.nspawn.sh
index ad11468886f147a427cc924c0a8b053a1763c502..7c21825d63cd0bcc478de9c40bad6632b9a5067b 100755 (executable)
--- a/test/units/TEST-13-NSPAWN.nspawn.sh
+++ b/test/units/TEST-13-NSPAWN.nspawn.sh
@@ -969,6 +969,11 @@ testcase_check_os_release() {
         --bind-ro="$base/usr:/usr"
     )
 
+    # Might be needed to find libraries
+    if [ -f "$base/etc/ld.so.cache" ]; then
+        common_opts+=("--bind-ro=$base/etc/ld.so.cache:/etc/ld.so.cache")
+    fi
+
     # Empty /etc/ & /usr/
     (! systemd-nspawn "${common_opts[@]}")
     (! SYSTEMD_NSPAWN_CHECK_OS_RELEASE=1 systemd-nspawn "${common_opts[@]}")