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#---------------------------------------------------------------------
## @Synopsis Set of functions for handling chroots
##
## @Copyright Source Mage Team
#---------------------------------------------------------------------

#---------------------------------------------------------------------
## Determine whether the current environment is a chroot or not.
##
## Limitation; the chroot will not be detected if the chroot is using
## "/" as a mountpoint or if pid 1 itself is the chroot.
##
## @return 0 if the current environment is a chroot
## @return 1 if the current environment is not a chroot
#---------------------------------------------------------------------
function is_chroot() {
  [[ "$(stat -c %d:%i /)" != "$(stat -c %d:%i /proc/1/root/.)" ]]
}