diff options
Diffstat (limited to 'virt-what.in')
| -rw-r--r-- | virt-what.in | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/virt-what.in b/virt-what.in index d50426a..d62f7c8 100644 --- a/virt-what.in +++ b/virt-what.in @@ -26,6 +26,11 @@ # The following resources were useful in writing this script: # . http://www.dmo.ca/blog/20080530151107 +# Do not allow unset variables, and set defaults. +set -u +root='' +skip_qemu_kvm=false + VERSION="@VERSION@" function fail { @@ -171,14 +176,14 @@ fi # Check for Parallels. if echo "$dmi" | grep -q 'Vendor: Parallels'; then echo parallels - skip_qemu_kvm=1 + skip_qemu_kvm=true fi # Check for Xen. if [ "$cpuid" = "XenVMMXenVMM" ]; then echo xen; echo xen-hvm - skip_qemu_kvm=1 + skip_qemu_kvm=true elif [ -f $root/proc/xen/capabilities ]; then echo xen if grep -q "control_d" $root/proc/xen/capabilities; then @@ -186,7 +191,7 @@ elif [ -f $root/proc/xen/capabilities ]; then else echo xen-domU fi - skip_qemu_kvm=1 + skip_qemu_kvm=true elif [ -f $root/sys/hypervisor/type ] && grep -q "xen" $root/sys/hypervisor/type; then # Ordinary kernel with pv_ops. There does not seem to be @@ -217,7 +222,7 @@ fi # seen that it's Parallels. Xen uses QEMU as the device model, so # skip this test if we know it is Xen. -if [ ! "$skip_qemu_kvm" ]; then +if ! $skip_qemu_kvm; then if [ "$cpuid" = "KVMKVMKVM" ]; then echo kvm else |