diff options
Diffstat (limited to 'sbin/functions.sh')
| -rw-r--r-- | sbin/functions.sh | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sbin/functions.sh b/sbin/functions.sh index 34e00ad..7af6843 100644 --- a/sbin/functions.sh +++ b/sbin/functions.sh @@ -502,6 +502,17 @@ is_net_fs() { return $? } +# bool is_net_fs(path) +# +# return 0 if path is under unionfs control +# +# EXAMPLE: if is_union_fs / ; then ... +# +is_union_fs() { + [[ ! -x /sbin/unionctl ]] && return 1 + unionctl "$1" --list &>/dev/null +} + # bool is_uml_sys() # # return 0 if the currently running system is User Mode Linux |