[busybox] cp command option –update=none

[SBatais]

Hi

I'm using the cp command of the busybox package, and I have an issue to use the option –update=none. It seems that this option is not available.

BusyBox v1.37.0 (2025-09-02 23:34:50 UTC) multi-call binary.Usage: cp [-arPLHpfinlsTu] SOURCE DEST
or: cp [-arPLHpfinlsu] SOURCE... { -t DIRECTORY | DIRECTORY }Copy SOURCEs to DEST        -a      Same as -dpR
        -R,-r   Recurse
        -d,-P   Preserve symlinks (default if -R)
        -L      Follow all symlinks
        -H      Follow symlinks on command line
        -p      Preserve file attributes if possible
        -f      Overwrite
        -i      Prompt before overwrite
        -n      Don't overwrite
        -l,-s   Create (sym)links
        -T      Refuse to copy if DEST is a directory
        -t DIR  Copy all SOURCEs into DIR
        -u      Copy only newer files

Do I have to use the cp from another package ? or update the busybox package ?

I heard that the behavior of -n is non-portable and may change in future; use --update=none instead

Thanks in advance

[kranurag7]

@SBatais the build config for busybox is here

os/busybox.yaml

Line 40 in b52f179

pipeline:

you can look in there if something is missing there; are there busybox out there which have this flag. (thinking....)

you can also try cp from coreutils package.

[tuananh]

doesnt looks like busybox cp has that flag

cp
cp [ OPTIONS ] SOURCE DEST

Copy SOURCE to DEST , or multiple SOURCE (s) to DIRECTORY
Options:

-a      Same as -dpR
-d,-P   Preserve links
-H,-L   Dereference all symlinks (default)
-p      Preserve file attributes if possible
-f      Force overwrite
-i      Prompt before overwrite
-R,-r   Recurse directories
-l,-s   Create (sym)links

[SBatais]

Thanks for your replies.
I will use the cp command from the coreutils package