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3rdparty/os_probe: Original 83haiku GRUB auto detect Haiku. 

Original version of 83haiku as seen in Debian Linux, for detecting
pre-package based Haiku OS and automatically setting up a GRUB
boot menu item for bootable Haiku partitions.

Change-Id: I0d1fe4c9b395e7912b2398ab6bac5c25d92aa64a
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4495
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: Alexander G. M. Smith <agmsmith@ncf.ca>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
This commit is contained in:
Alexander G. M. Smith 2021-09-21 15:40:33 -04:00 committed by Adrien Destugues
parent 1286f0ccc0
commit 0235470472
2 changed files with 65 additions and 0 deletions
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35
3rdparty/os_probe/83haiku vendored Executable file
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#!/usr/bin/sh
# Detects Haiku on BeFS partitions.
. /usr/share/os-prober/common.sh
partition="$1"
mpoint="$2"
type="$3"
# Weed out stuff that doesn't apply to us
case "$type" in
befs|befs_be) debug "$partition is a BeFS partition" ;;
*) debug "$partition is not a BeFS partition: exiting"; exit 1 ;;
esac
if head -c 512 "$partition" | grep -aqs "system.haiku_loader"; then
debug "Stage 1 bootloader found"
else
debug "Stage 1 bootloader not found: exiting"
exit 1
fi
if system="$(item_in_dir "system" "$mpoint")" &&
item_in_dir -q "haiku_loader" "$mpoint/$system" &&
(item_in_dir -q "kernel_x86" "$mpoint/$system" ||
item_in_dir -q "kernel_x86_64" "$mpoint/$system")
then
debug "Stage 2 bootloader and kernel found"
label="$(count_next_label Haiku)"
result "$partition:Haiku:$label:chain"
exit 0
else
debug "Stage 2 bootloader and kernel not found: exiting"
exit 1
fi

30
3rdparty/os_probe/README.md vendored Normal file
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# os-probe for the Haiku Computer Operating System
This is the Linux "os-probes" file to detect Haiku OS and to automatically add
it to the GRUB boot menu.
First make sure the Haiku volumes you want to boot are mounted in Linux
(otherwise nothing gets detected). Then copy the 83haiku file to your Linux
system in the os-probes subdirectory, usually (in Fedora at least) it will be
/usr/libexec/os-probes/mounted/83haiku You can find older 83haiku versions in
the repository history, though the latest should be able to detect older
(pre-package manager) Haiku too.
Then regenerate the GRUB boot configuration file. This will happen
automatically the next time your kernel is updated. To do it manually,
for old school MBR BIOS boot computers, the command is
`grub2-mkconfig --output /boot/grub2/grub.cfg`
Computers using the newer UEFI boot system have a EFI/HAIKU/BOOTX64.EFI file
that you manually install to your EFI partition, and booting is done
differently, so you don't need this 83Haiku file for them. See
[UEFI Booting Haiku](https://www.haiku-os.org/guides/uefi_booting/) instead.
The original seems to have come from Debian and was written by François Revol.
It's in the
[Debian os-prober package](https://packages.debian.org/search?keywords=os-prober).
There's also a big discussion about updating it in
[Debian Bug Report #732696](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=732696).
_AGMS20210921_