/usr/lib/os-probes/mounted/20macosx is in os-prober 1.51ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #!/bin/sh -e
# Detects Mac OS X. I don't yet know how Mac OS <= 9 fits into this.
. /usr/share/os-prober/common.sh
partition="$1"
mpoint="$2"
type="$3"
debug() {
logger -t macosx-prober "debug: $@"
}
# Weed out stuff that doesn't apply to us
case "$type" in
hfsplus) debug "$1 is an HFS+ partition" ;;
*) debug "$1 is not an HFS+ partition: exiting"; exit 1 ;;
esac
# Could use a better test than this.
# /System/Library/CoreServices/SystemVersion.plist has version information,
# but I don't think it exists on Mac OS <= 9, and it's XML so parsing in
# shell will be nasty.
if [ -e "$2/mach_kernel" ]; then
label="$(count_next_label MacOSX)"
result "$1:Mac OS X:$label:macosx"
exit 0
else
exit 1
fi
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