base-files: introduce a function to get kernel version number

A new function "get_linux_version()" to normalize and print the
kernel version as an integer. In some migration scripts, it is
useful for checking the Linux kernel version.

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/19172
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Shiji Yang
2025-06-17 22:06:38 +08:00
committed by Hauke Mehrtens
parent b626262226
commit a0fe3cfb62

View File

@ -315,3 +315,10 @@ macaddr_canonicalize() {
dt_is_enabled() {
grep -q okay "/proc/device-tree/$1/status"
}
get_linux_version() {
local ver=$(uname -r)
local minor=${ver%\.*}
printf "%d%02d%03d" ${ver%%\.*} ${minor#*\.} ${ver##*\.} 2>/dev/null
}