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Commit d35d87f2 authored by Adam Purkrt's avatar Adam Purkrt Committed by Gerardo Pozzi
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cleaner boot from loopmounted iso file

Currently, when booting loopmounted iso file, it is necessary to
specify not only img_dev and img_loop (which should be sufficient),
but also archisolabel or archisodevice. With this patch, archisodevice
is directly populated with the correct loop device, and it is not
necessary to specify the label when booting from loopmounted iso,
which makes for leaner and cleaner grub.cfg.
parent 217a05eb
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Tags 20191011
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......@@ -18,7 +18,9 @@ archiso_loop_mount_handler () {
echo $(readlink -f ${img_dev}) >> /run/archiso/used_block_devices
fi
if ! _dev_loop=$(losetup --find --show --read-only "/run/archiso/img_dev/${img_loop}"); then
if _dev_loop=$(losetup --find --show --read-only "/run/archiso/img_dev/${img_loop}"); then
archisodevice="${_dev_loop}"
else
echo "ERROR: Setting loopback device for file '/run/archiso/img_dev/${img_loop}'"
launch_interactive_shell
fi
......
......@@ -31,14 +31,14 @@ Note: Described method is for using with GRUB2.
menuentry "Arch Linux (x86_64)" {
set isofile="/<TARGET-PATH>/archlinux-<YYYY>.<MM>.<DD>-dual.iso"
loopback loop (hd<D>,<P>)$isofile
linux (loop)/arch/boot/x86_64/vmlinuz archisolabel=<FS-LABEL> img_label=<TARGET-FS-LABEL> img_loop=$isofile
linux (loop)/arch/boot/x86_64/vmlinuz img_label=<TARGET-FS-LABEL> img_loop=$isofile
initrd (loop)/arch/boot/x86_64/archiso.img
}
menuentry "Arch Linux (i686)" {
set isofile="/<TARGET-PATH>/archlinux-<YYYY>.<MM>.<DD>-dual.iso"
loopback loop (hd<D>,<P>)$isofile
linux (loop)/arch/boot/i686/vmlinuz archisolabel=<FS-LABEL> img_label=<TARGET-FS-LABEL> img_loop=$isofile
linux (loop)/arch/boot/i686/vmlinuz img_label=<TARGET-FS-LABEL> img_loop=$isofile
initrd (loop)/arch/boot/i686/archiso.img
}
......
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