Also improve LXC/nspawn checks by not invoking `cat` Co-authored-by: Elias Probst <e.probst@xxxxxxxxxxxxxxx> Signed-off-by: Elias Probst <e.probst@xxxxxxxxxxxxxxx> --- virt-what.in | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/virt-what.in b/virt-what.in index d090898..97aef3e 100644 --- a/virt-what.in +++ b/virt-what.in @@ -174,9 +174,12 @@ fi # http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface # Added by Marc Fournier -if [ -e "${root}/proc/1/environ" ] && - cat "${root}/proc/1/environ" | tr '\000' '\n' | grep -Eiq '^container=lxc'; then - echo lxc +if [ -e "${root}/proc/1/environ" ]; then + if tr '\000' '\n' < "${root}/proc/1/environ" | grep -Eiq '^container=lxc'; then + echo lxc + elif tr '\000' '\n' < "${root}/proc/1/environ" | grep -Eiq '^container=systemd-nspawn'; then + echo systemd-nspawn + fi fi if [ -e "${root}/proc/1/environ" ] && -- 2.34.1
