grub2-mkconfig madness.

[Budoka]

Some days I feel like I am losing my mind. Anyway,

I have always used

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grub2-mkconfig -o /boot/grub/grub.cfg

after compiling new kernels with no issue...for years. But today after trying to execute it I get

bash: grub2-mkconfig: command not found

I remember that a couple of years ago this happened as well and found the old news item.

2016-08-11-grub2_multislot_default
Title Grub2 multislot default setting is changing
Author William Hubbs <williamh@gentoo.org>
Author Ian Stakenvicius <axs@gentoo.org>
Posted 2016-08-11
Revision 1

The multislot use flag in sys-boot/grub-2.x is no longer enabled by
default.

When the flag is enabled, all upstream binaries and documentation are
renamed to "grub2" so as not to collide with grub-0. Now that the use
flag is no longer default-enabled, these names will revert back to
their upstream defaults. For example, grub2-mkconfig will become
grub-mkconfig, grub2-install will become grub-install, etc.

If you wish to retain the previous naming scheme, please make sure to
explicitly enable USE="multislot" on sys-boot/grub in the usual manner.

I must have added multislot at that time because...well like I said...I've been running it that way for years.

Did multislot go away? When I check it doesn't seem to be a use option for grub now and I can't find anything on my system using it. I was able to update grub using

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grub-mkconfig -o /boot/grub/grub.cfg

. I am not tied to any particular method of updating my grub config I just get spooked when stuff suddenly stops working when I haven't made any explicit changes, or mistakes, myself.

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# equery hasuse multislot
 * Searching for USE flag multislot ...

returns null.

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# equery uses grub
[ Legend : U - final flag setting for installation]
[        : I - package is installed with flag     ]
[ Colors : set, unset                             ]
 * Found these USE flags for sys-boot/grub-2.04-r1:
 U I
 - - device-mapper            : Enable support for device-mapper from sys-fs/lvm2 
 - - doc                      : Add extra documentation (API, Javadoc, etc). It is
                                recommended to enable per package instead of globally
 - - efiemu                   : Build and install the efiemu runtimes 
 + + fonts                    : Build and install fonts for the gfxterm module
 - - grub_platforms_coreboot  : Coreboot platform support
 - - grub_platforms_efi-32    : EFI 32 bit platform support (Old MACs)
 - - grub_platforms_efi-64    : EFI 64 bit platform support
 - - grub_platforms_emu       : Emulation platform support
 - - grub_platforms_ieee1275  : IEEE1275 platform support
 - - grub_platforms_loongson  : MIPS loongson platform support
 - - grub_platforms_multiboot : Multiboot platform support
 + + grub_platforms_pc        : PC platform support
 - - grub_platforms_qemu      : QEMU platform support
 - - grub_platforms_qemu-mips : QEMU MIPS platform support
 - - grub_platforms_uboot     : U-Boot platform support
 - - grub_platforms_xen       : XEN (pvgrub2) platform support
 - - grub_platforms_xen-32    : Build 32-bit XEN (pvgrub2) platform support on amd64
 - - grub_platforms_xen-pvh   : XEN (pvhgrub2) platform support
 - - libzfs                   : Enable support for sys-fs/zfs 
 + + mount                    : Build and install the grub-mount utility 
 + + nls                      : Add Native Language Support (using gettext - GNU
                                locale utilities)
 + + sdl                      : Add support for Simple Direct Layer (media library)
 + + themes                   : Build and install GRUB themes (starfield)
 + + truetype                 : Build and install grub-mkfont conversion utility

Doesn't show multislot as an option. Nevertheless I added

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sys-boot/grub multislot

to package.use and still doesn't work.

[fedeliallalinea]

grub:0 is no longer in official portage tree so

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commit 1c2650e3424d6676a346aa7abdfea67ff24fce0b
Author: Mike Gilbert <floppym@gentoo.org>
Date:   Thu Mar 21 00:20:12 2019 -0400

    sys-boot/grub: drop multislot USE flag
    
    Package-Manager: Portage-2.3.62, Repoman-2.3.12_p83
    Signed-off-by: Mike Gilbert <floppym@gentoo.org>

[Budoka]

grub:0 is no longer in official portage tree so

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commit 1c2650e3424d6676a346aa7abdfea67ff24fce0b
Author: Mike Gilbert <floppym@gentoo.org>
Date:   Thu Mar 21 00:20:12 2019 -0400

    sys-boot/grub: drop multislot USE flag
    
    Package-Manager: Portage-2.3.62, Repoman-2.3.12_p83
    Signed-off-by: Mike Gilbert <floppym@gentoo.org>

Thanks. But curious how I would have known that if it doesn't come up as a news item? Not being snarky. Just not sure where I am supposed to be monitoring this kind of thing.

[fedeliallalinea]

Thanks. But curious how I would have known that if it doesn't come up as a news item? Not being snarky. Just not sure where I am supposed to be monitoring this kind of thing.

I think the use flag wasremoved because grub-0 was removed from tree, it seems excessive to me to make a news.
I usually use git log (I sync tree with git) for see the commit from tree.