3rdparty/os_probe: August 2015 version of 83Haiku.

This one seems to be the final collated version with the previous
patches and ideas all included.  It's version 42 (dated 20150811)
put together by Jeroen Oortwijn at
https://bazaar.launchpad.net/~idefix/ubuntu/trusty/os-prober/HaikuPM/files/head:/os-probes/mounted/x86

Change-Id: Ia7f276b45a5766c5f5bf1495d3726e5d475e2eee
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4497
Reviewed-by: Alexander G. M. Smith <agmsmith@ncf.ca>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>

Author: agmsmith

3rdparty/os_probe/83haiku

@@ -1,5 +1,7 @@
-#!/usr/bin/sh
-# Detects Haiku on BeFS partitions.
+#!/bin/sh
+# Detects Haiku on BeFS partitions and FUSE mounted BeFS too.
+# Discussion at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=732696
+# From version 42 (dated 20150811) updated by Jeroen Oortwijn at https://bazaar.launchpad.net/~idefix/ubuntu/trusty/os-prober/HaikuPM/files/head:/os-probes/mounted/x86
 
 . /usr/share/os-prober/common.sh
 
@@ -9,43 +11,38 @@ type="$3"
 
 # Weed out stuff that doesn't apply to us
 case "$type" in
-	befs|befs_be) debug "$partition is a BeFS partition" ;;
+	bfs|befs) debug "$partition is a BeFS partition" ;;
+	fuse|fuseblk) debug "$partition is a FUSE partition" ; mpoint="$mpoint/myfs" ;; # might be befs-fuse
 	*) debug "$partition is not a BeFS partition: exiting"; exit 1 ;;
 esac
 
-if head -c 512 "$partition" | grep -qs 'system.*haiku_loader'; then
-	debug "Stage 1 bootloader found"
+if head -c 512 "$partition" | grep -qs "haiku_loader"; then
+	debug "Haiku stage 1 bootloader found"
 else
-	debug "Stage 1 bootloader not found: exiting"
+	debug "Haiku stage 1 bootloader not found: exiting"
 	exit 1
 fi
 
-system="$(item_in_dir "system" "$mpoint")"
-packages="$(item_in_dir "packages" "$mpoint/$system")"
-found=
-if [ "$system" != "" ] &&
-	item_in_dir -q "haiku_loader" "$mpoint/$system" &&
-	(item_in_dir -q "kernel_x86" "$mpoint/$system" ||
-		item_in_dir -q "kernel_x86_64" "$mpoint/$system")
+if system="$(item_in_dir "system" "$mpoint")" &&
+	packages="$(item_in_dir "packages" "$mpoint/$system")" &&
+		item_in_dir -q "haiku_loader-.*\.hpkg" "$mpoint/$system/$packages" &&
+		rev="$(item_in_dir "haiku-.*\.hpkg" "$mpoint/$system/$packages")"
 then
-	found=1
-fi
-
-if [ "$found" = "" ] && [ "$packages" != "" ] &&
-	item_in_dir -q "haiku_loader\-.*" "$mpoint/$system/$packages" &&
-	(item_in_dir -q "haiku_x86\-.*" "$mpoint/$system/$packages" ||
-		item_in_dir -q "haiku_x86_64\-.*" "$mpoint/$system/$packages")
-then
-	found=1
-fi
-
-if [ "$found" != "" ]
+	debug "Haiku PM stage 2 bootloader and kernel found"
+	label="$(count_next_label Haiku)"
+	rev="$(echo "$rev" | sed 's/haiku-//;s/^\(r[0-9]\+\)./\U\1\E /;s/ \([a-z]\+[0-9]\+\)[_-]/ \1 /;s/ [a-z]*_\?\(hrev[0-9]\+\)\+-/ (\1) /;s/[^ ]\+.hpkg//;s/ $//')"
+	long="Haiku $rev"
+	result "$partition:$long:$label:chain"
+	exit 0
+elif system="$(item_in_dir "system" "$mpoint")" &&
+	item_in_dir -q "haiku_loader" "$mpoint/$system" &&
+	item_in_dir -q "kernel_.*" "$mpoint/$system"
 then
-	debug "Stage 2 bootloader and kernel found"
+	debug "Haiku non-PM stage 2 bootloader and kernel found"
 	label="$(count_next_label Haiku)"
 	result "$partition:Haiku:$label:chain"
 	exit 0
 else
-	debug "Stage 2 bootloader and kernel not found: exiting"
+	debug "Haiku stage 2 bootloader and kernel not found: exiting"
 	exit 1
 fi