Greg,are you talking about this :

find . -depth -type f | cpio --create --format='newc' >
../../initrd.img-5.10.0-18-amd64

or this :

find . -depth | cpio --create --format='newc' >
../../initrd.img-5.10.0-18-amd64

or are they equivalent ? Thanks.

Il giorno ven 28 ott 2022 alle ore 16:49 Greg Wooledge <[email protected]>
ha scritto:

> On Fri, Oct 28, 2022 at 09:32:00AM +0700, Max Nikulin wrote:
> > On 28/10/2022 07:07, Mario Marietto wrote:
> > >
> > > find . | cpio --create
> > I rarely use cpio, but recently there was a thread on tar and unwanted
> hard
> > links in the created archive. "find" output mixes regular files and
> > directories. If the archiver recursively walks through received
> directories
> > then result may differ from expectations.
>
> cpio was actually *designed* to be used this way, unlike tar.
>
> There's no issue with the snippet quoted above.  Of course, this cpio
> command is incomplete (it needs a redirection to an archive file or
> something), but the part that's shown is fine.
>
> unicorn:~$ mkdir /tmp/x && cd "$_"
> unicorn:/tmp/x$ mkdir dir; touch dir/file{1,2}
> unicorn:/tmp/x$ find . | cpio --create | cpio -ivt
> 1 block
> drwxr-xr-x   3 greg     greg            0 Oct 28 10:46 .
> drwxr-xr-x   2 greg     greg            0 Oct 28 10:46 dir
> -rw-r--r--   1 greg     greg            0 Oct 28 10:46 dir/file2
> -rw-r--r--   1 greg     greg            0 Oct 28 10:46 dir/file1
> 1 block
>
> See?  No duplicates.  Unlike GNU tar, which recurses into the directory
> in addition to receiving the already-recursed files from find:
>
> unicorn:/tmp/x$ find . | tar -cf - --files-from=- | tar tvf -
> drwxr-xr-x greg/greg         0 2022-10-28 10:46 ./
> drwxr-xr-x greg/greg         0 2022-10-28 10:46 ./dir/
> -rw-r--r-- greg/greg         0 2022-10-28 10:46 ./dir/file2
> -rw-r--r-- greg/greg         0 2022-10-28 10:46 ./dir/file1
> drwxr-xr-x greg/greg         0 2022-10-28 10:46 ./dir/
> hrw-r--r-- greg/greg         0 2022-10-28 10:46 ./dir/file2 link to
> ./dir/file2
> hrw-r--r-- greg/greg         0 2022-10-28 10:46 ./dir/file1 link to
> ./dir/file1
> hrw-r--r-- greg/greg         0 2022-10-28 10:46 ./dir/file2 link to
> ./dir/file2
> hrw-r--r-- greg/greg         0 2022-10-28 10:46 ./dir/file1 link to
> ./dir/file1
>
>

-- 
Mario.

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