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DELTUP(1)							     DELTUP(1)

NAME
       deltup - Update a tarballed package

SYNOPSIS
       deltup  -m[fvej] [bg #] [[-dD] repository ] package1 package2 patchfile
       #make patch

       deltup -p[fvir] [[-dD] repository ] <patchfiles> #apply patches

DESCRIPTION
       Makes and applies patches to tarballed packages.	 edelta	 is  an	 alias
       which passes -d <portage distfiles dir> to deltup.

OPTIONS
       -f     Force overwrite if output file already exists

       -v     Verbose mode

       -e     This  special  option tells deltup to test the patch against all
	      available compressors and write info about which ones work  into
	      the patch file

       -j     Use bdelta instead of xdelta when creating the patch.  This ver‐
	      sion of Deltup has built-in support for applying bdelta patches,
	      which makes installing xdelta unnecessary.

       -b, -g Filter patch through bzip2 or gzip

       -i     Show what files would be patched without performing any actions.

       -r     Apply  series  of	 patches to one package without outputting the
	      packages in between.

       -d     Output packages to directory repository

       -d     Find packages to upgrade in directory repository

ENVIORNMENT
       TMPDIR Directory to output temporary files.  If not defined  then  /tmp
	      is used.

EXAMPLES
       Make bzip2'd Gentoo package patch:
	      edelta -m -b 9 OldPackage NewPackage PatchFile

       Apply the patch:
	      edelta -p PatchFile

       Make verified patch with the -e option:
	      edelta  -me  -b  9  Package-v1.tar.bz2  Package-v2.tar.bz2 Pack‐
	      age_Patch.dtu

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