In grub-completion.bash.in line 63:
__grub_get_options_from_help () {
^-- SC2120 (warning)

SC2120: the current code meets the exception and does not need to be
modified. So we disable it.

ref:https://github.com/koalaman/shellcheck/wiki/SC2120

Signed-off-by: "t.feng" <fengta...@huawei.com>
---
 util/bash-completion.d/grub-completion.bash.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/util/bash-completion.d/grub-completion.bash.in 
b/util/bash-completion.d/grub-completion.bash.in
index d5250c179..4053fc729 100644
--- a/util/bash-completion.d/grub-completion.bash.in
+++ b/util/bash-completion.d/grub-completion.bash.in
@@ -63,6 +63,7 @@ __grubcomp () {
 
 # Function that return long options from the help of the command
 # - arg: $1 (optional) command to get the long options from
+# shellcheck disable=SC2120
 __grub_get_options_from_help () {
      local prog
 
-- 
2.27.0


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