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grubby-bls: add a --no-etc-grub-update option 

The option makes grubby to not update the GRUB_CMDLINE_LINUX variable in
the /etc/default/grub file when the --update-kernel=ALL option is used.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
This commit is contained in:
Javier Martinez Canillas 2020-05-05 11:40:57 +02:00
parent b1eee22db8
commit f24781c87b
No known key found for this signature in database
GPG Key ID: C751E590D63F3D69
2 changed files with 25 additions and 7 deletions
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21
grubby-bls
View File

@ -493,10 +493,14 @@ update_bls_fragment() {
fi
if [[ $param = "ALL" && $bootloader = grub2 ]] && [[ -n $remove_args || -n $add_args ]]; then
local old_args="$(source ${grub_etc_default}; echo ${GRUB_CMDLINE_LINUX})"
opts="$(update_args "${old_args}" "${remove_args}" "${add_args}")"
opts=$(echo $opts | sed -e 's/\//\\\//g')
sed -i -e "s/^GRUB_CMDLINE_LINUX.*/GRUB_CMDLINE_LINUX=\\\"${opts}\\\"/" "${grub_etc_default}"
local old_args=""
if [[ -z $no_etc_update ]]; then
old_args="$(source ${grub_etc_default}; echo ${GRUB_CMDLINE_LINUX})"
opts="$(update_args "${old_args}" "${remove_args}" "${add_args}")"
opts=$(echo $opts | sed -e 's/\//\\\//g')
sed -i -e "s/^GRUB_CMDLINE_LINUX.*/GRUB_CMDLINE_LINUX=\\\"${opts}\\\"/" "${grub_etc_default}"
fi
old_args="$(grub2-editenv "${env}" list | grep kernelopts | sed -e "s/kernelopts=//")"
opts="$(update_args "${old_args}" "${remove_args}" "${add_args}")"
@ -609,6 +613,7 @@ Usage: grubby [OPTION...]
--update-kernel=kernel-path updated information for the specified kernel
--zipl configure zipl bootloader
-b, --bls-directory path to directory containing the BootLoaderSpec fragment files
--no-etc-grub-update don't update the GRUB_CMDLINE_LINUX variable in /etc/default/grub
Help options:
-?, --help Show this help message
@ -620,7 +625,7 @@ OPTS="$(getopt -o c:i:b:? --long help,add-kernel:,args:,bad-image-okay,\
config-file:,copy-default,default-kernel,default-index,default-title,env:,\
grub2,info:,initrd:,extra-initrd:,make-default,remove-args:,\
remove-kernel:,set-default:,set-default-index:,title:,update-kernel:,zipl,\
bls-directory:,add-kernel:,add-multiboot:,mbargs:,mounts:,boot-filesystem:,\
bls-directory:,no-etc-grub-update,add-multiboot:,mbargs:,mounts:,boot-filesystem:,\
bootloader-probe,debug,devtree,devtreedir:,elilo,efi,extlinux,grub,lilo,\
output-file:,remove-mbargs:,remove-multiboot:,silo,yaboot -n ${SCRIPTNAME} -- "$@")"
@ -715,7 +720,11 @@ while [ ${#} -gt 0 ]; do
blsdir="${2}"
shift
;;
--add-kernel|--add-multiboot|--mbargs|--mounts|--boot-filesystem|\
--no-etc-grub-update)
no_etc_update=true
shift
;;
--add-multiboot|--mbargs|--mounts|--boot-filesystem|\
--bootloader-probe|--debug|--devtree|--devtreedir|--elilo|--efi|\
--extlinux|--grub|--lilo|--output-file|--remove-mbargs|--silo|\
--remove-multiboot|--slilo|--yaboot)

11
grubby.8
View File

@ -145,7 +145,10 @@ for the entry.
\fB-\-update-kernel\fR=\fIkernel-path\fR
The entries for kernels matching \fRkernel-path\fR are updated. Currently
the only items that can be updated is the kernel argument list, which is
modified via the \fB-\-args\fR and \fB-\-remove-args\fR options.
modified via the \fB-\-args\fR and \fB-\-remove-args\fR options. If the
\fBALL\fR argument is used the variable \fB GRUB_CMDLINE_LINUX\fR in
\fB/etc/default/grub\fR is updated with the latest kernel argument list,
unless the \fB-\-no-etc-grub-update\fR option is used.
.TP
\fB-\-zipl\fR
@ -156,6 +159,12 @@ Configure \fBzipl\fR bootloader.
Use \fIpath\fR as the directory for the BootLoaderSpec config files rather
than the default \fB/boot/loader/entries\fR.
.TP
\fB-\-no-etc-grub-update\fR
Makes grubby to not update the \fBGRUB_CMDLINE_LINUX\fR variable in
\fB/etc/default/grub\fR when the \fB-\-update-kernel\fR option is
used with the \fBALL\fR argument.
.SH "SEE ALSO"
.BR zipl (8),
.BR mkinitrd (8),