Alexey:
    This is your patch reworked slightly. See what you think.

On Jun 16, 2008, at 4:36 AM, Jeff Johnson wrote:

>   RPM Package Manager, CVS Repository
>   http://rpm5.org/cvs/
>    
> ______________________________________________________________________ 
> ______
>
>   Server: rpm5.org                         Name:   Jeff Johnson
>   Root:   /v/rpm/cvs                       Email:  jbj@rpm5.org
>   Module: rpm                              Date:   16-Jun-2008  
> 10:36:53
>   Branch: HEAD                             Handle: 2008061608365201
>
>   Modified files:
>     rpm                     CHANGES
>     rpm/build               files.c
>
>   Log:
>     - fix: RPMTAG_SIZE is incorrect with %exclude and %ghost  
> directives
>     	(Alexey Tourbin<at@altlinux.ru>).
>
>   Summary:
>     Revision    Changes     Path
>     1.2416      +2  -0      rpm/CHANGES
>     1.321       +30 -32     rpm/build/files.c
>    
> ______________________________________________________________________ 
> ______
>
>   patch -p0 <<'@@ .'
>   Index: rpm/CHANGES
>    
> ====================================================================== 
> ======
>   $ cvs diff -u -r1.2415 -r1.2416 CHANGES
>   --- rpm/CHANGES	15 Jun 2008 09:21:08 -0000	1.2415
>   +++ rpm/CHANGES	16 Jun 2008 08:36:52 -0000	1.2416
>   @@ -1,5 +1,7 @@
>
>    5.1.0 -> 5.2a0:
>   +    - jbj: fix: RPMTAG_SIZE is incorrect with %exclude and % 
> ghost directives
>   +	(Alexey Tourbin<at@altlinux.ru>).
>        - jbj: fix: Install-Size: spewage in Kb, not bytes. everone  
> gotta be different.
>        - jbj: permit *.deb syntax as arbitrary tags.
>        - jbj: add *.deb format dependency tag header extensions.
>   @@ .
>   patch -p0 <<'@@ .'
>   Index: rpm/build/files.c
>    
> ====================================================================== 
> ======
>   $ cvs diff -u -r1.320 -r1.321 files.c
>   --- rpm/build/files.c	2 Apr 2008 20:52:52 -0000	1.320
>   +++ rpm/build/files.c	16 Jun 2008 08:36:53 -0000	1.321
>   @@ -1601,15 +1601,6 @@
>    /*@=moduncon =noeffectuncon @*/
>        sxfn = _free(sxfn);
>
>   -    ui32 = fl->totalFileSize;
>   -    he->tag = RPMTAG_SIZE;
>   -    he->t = RPM_UINT32_TYPE;
>   -    he->p.ui32p = &ui32;
>   -    he->c = 1;
>   -    he->append = 1;
>   -    xx = headerPut(h, he, 0);
>   -    he->append = 0;
>   -
>    if (_rpmbuildFlags & 4) {
>    (void) rpmlibNeedsFeature(h, "PayloadFilesHavePrefix", "4.0-1");
>    (void) rpmlibNeedsFeature(h, "CompressedFileNames", "3.0.4-1");
>   @@ -1713,7 +1704,37 @@
>    	if (isSrc)
>    	    fi->fmapflags[i] |= IOSM_FOLLOW_SYMLINKS;
>
>   +	if (S_ISREG(flp->fl_mode)) {
>   +	    int bingo = 1;
>   +	    /* Hard links need be tallied only once. */
>   +	    if (flp->fl_nlink > 1) {
>   +		FileListRec jlp = flp + 1;
>   +		int j = i + 1;
>   +		for (; (unsigned)j < fi->fc; j++, jlp++) {
>   +		    if (!S_ISREG(jlp->fl_mode))
>   +			continue;
>   +		    if (flp->fl_nlink != jlp->fl_nlink)
>   +			continue;
>   +		    if (flp->fl_ino != jlp->fl_ino)
>   +			continue;
>   +		    if (flp->fl_dev != jlp->fl_dev)
>   +			continue;
>   +		    bingo = 0;	/* don't tally hardlink yet. */
>   +		    break;
>   +		}
>   +	    }
>   +	    if (bingo)
>   +		fl->totalFileSize += flp->fl_size;
>   +	}
>        }
>   +
>   +    ui32 = fl->totalFileSize;
>   +    he->tag = RPMTAG_SIZE;
>   +    he->t = RPM_UINT32_TYPE;
>   +    he->p.ui32p = &ui32;
>   +    he->c = 1;
>   +    xx = headerPut(h, he, 0);
>   +
>        /*@-compdef@*/
>        if (fip)
>    	*fip = fi;
>   @@ -1946,27 +1967,6 @@
>    	flp->flags = fl->currentFlags;
>    	flp->specdFlags = fl->currentSpecdFlags;
>    	flp->verifyFlags = fl->currentVerifyFlags;
>   -
>   -	/* Hard links need be counted only once. */
>   -	if (S_ISREG(flp->fl_mode) && flp->fl_nlink > 1) {
>   -	    FileListRec ilp;
>   -	    for (i = 0;  i < fl->fileListRecsUsed; i++) {
>   -		ilp = fl->fileList + i;
>   -		if (!S_ISREG(ilp->fl_mode))
>   -		    continue;
>   -		if (flp->fl_nlink != ilp->fl_nlink)
>   -		    continue;
>   -		if (flp->fl_ino != ilp->fl_ino)
>   -		    continue;
>   -		if (flp->fl_dev != ilp->fl_dev)
>   -		    continue;
>   -		break;
>   -	    }
>   -	} else
>   -	    i = fl->fileListRecsUsed;
>   -
>   -	if (!(flp->flags & RPMFILE_EXCLUDE) && S_ISREG(flp->fl_mode) &&  
> i >= fl->fileListRecsUsed)
>   -	    fl->totalFileSize += flp->fl_size;
>        }
>
>        fl->fileListRecsUsed++;
>   @@ -2758,8 +2758,6 @@
>    #endif
>    	flp->langs = xstrdup("");
>    	
>   -	fl.totalFileSize += flp->fl_size;
>   -	
>    	if (! (flp->uname && flp->gname)) {
>    	    rpmlog(RPMLOG_ERR, _("Bad owner/group: %s\n"), diskURL);
>    	    rc = fl.processingFailed = 1;
>   @@ .
> ______________________________________________________________________
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