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kdumpctl: Optimize _find_kernel_path_by_release regex string

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Resolves: bz2141536
Upstream: Fedora
Conflict: None

commit 5eb77ee3fa
Author: Lichen Liu <lichliu@redhat.com>
Date:   Thu Nov 24 09:15:25 2022 +0800

    kdumpctl: Optimize _find_kernel_path_by_release regex string

    Currently _find_kernel_path_by_release uses grubby and grep to
    find the kernel path, if both the normal kernel and it's debug
    varient exist, the grep will give more than one kernel strings.

    ```
    kernel="/boot/vmlinuz-5.14.0-139.kpq0.el9.s390x+debug"
    kernel="/boot/vmlinuz-5.14.0-139.kpq0.el9.s390x"
    ```

    This will cause an error when installing debug kernel.

    ```
    The param "/boot/vmlinuz-5.14.0-139.kpq0.el9.s390x+debug
    /boot/vmlinuz-5.14.0-139.kpq0.el9.s390x" is incorrect
    ```

    Fixes: 945cbbd ("add helper functions to get kernel path by kernel release and the path of current running kernel")

    Signed-off-by: Lichen Liu <lichliu@redhat.com>
    Reviewed-by: Philipp Rudo <prudo@redhat.com>

Signed-off-by: Lichen Liu <lichliu@redhat.com>
This commit is contained in:
Lichen Liu 2022-11-28 10:59:17 +08:00 committed by Tao Liu
parent aa204a3b63
commit fd2521df50
1 changed files with 1 additions and 1 deletions
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kdumpctl
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@ -1380,7 +1380,7 @@ _filter_grubby_kernel_str()
_find_kernel_path_by_release()
{
local _release="$1" _grubby_kernel_str _kernel_path
_grubby_kernel_str=$(grubby --info ALL | grep "^kernel=.*$_release")
_grubby_kernel_str=$(grubby --info ALL | grep "^kernel=.*$_release\"$")
_kernel_path=$(_filter_grubby_kernel_str "$_grubby_kernel_str")
if [[ -z $_kernel_path ]]; then
derror "kernel $_release doesn't exist"