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Re: "merging" two repositories

From: Kaz Kylheku
Subject: Re: "merging" two repositories
Date: Mon, 7 Apr 2003 14:32:29 -0700 (PDT)

On Mon, 7 Apr 2003, Shankar Unni wrote:

> Kaz Kylheku wrote:
> >   cp -R source/. Target
> Better to use "cpio" or "tar" rather than "cp" to copy directories.
> The safest way to preserve *everything* is to use the following command
> *as root*:
>   cd <path_to_old_repository>
>   find module1 module2 ... -depth -print | \
>                   cpio -pduvm <path_to_new_repository>
> This will preserve everything - ownerships, modification times (mostly),
> even symlinks. 

Right; the standard cp syntax doesn't have -d to prevent symlink
dereferencing.  In GNU cp, you can use -Rdp (abbreviated as -a) to copy
symlinks and preserve ownerships and permissions.

I haven't worked under any brok^H^H^H^H legacy UNIXes in a while time. ;)

> By the way, the GNU textutils sort doesn't seem to have an option to
> treat a number as a hex number for numeric sorting.

Right; but I did observe that the hex stamps in the CVS history file
have the same length, as you did, hence:

>   cat history1 history2 | sort -s -k 1.2,1.9 
> (ordinary stable text sorting).


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