xbps-src: added -D to generate repository binary deltas; disabled for now.

xbps-src

@@ -116,6 +116,8 @@ Options:
 -C  Do not remove build directory, automatic dependencies and
     package destdir after successful install.
 
+-D  Generate repository binary diffs (deltas) via xdelta3.
+
 -f  Force building and registering binary packages into the local repository,
     even if same version is already registered.
 
@@ -318,10 +320,11 @@ readonly XBPS_MACHINE=$(uname -m)
 #
 XBPS_OPTIONS=
 
-while getopts "a:CfgGhH:Ij:Lm:No:r:V" opt; do
+while getopts "a:CDfgGhH:Ij:Lm:No:r:V" opt; do
     case $opt in
         a) readonly XBPS_CROSS_BUILD="$OPTARG"; XBPS_OPTIONS+="-a $OPTARG ";;
         C) readonly XBPS_KEEP_ALL=1; XBPS_OPTIONS+="-C ";;
+        D) readonly XBPS_REPO_DELTAS=1; XBPS_OPTIONS+=" -D";;
         f) readonly XBPS_BUILD_FORCEMODE=1; XBPS_OPTIONS+="-f ";;
         G) readonly XBPS_USE_GIT_REVS=1; XBPS_OPTIONS+="-G ";;
         g) readonly XBPS_DEBUG_PKGS=1; XBPS_OPTIONS+="-g ";;
@@ -459,7 +462,7 @@ if [ -s $XBPS_MASTERDIR/.xbps_chroot_init ]; then
 fi
 
 export XBPS_SHUTILSDIR XBPS_CROSSPFDIR XBPS_TRIGGERSDIR \
-    XBPS_SRCPKGDIR XBPS_COMMONDIR XBPS_BUILDDIR \
+    XBPS_SRCPKGDIR XBPS_COMMONDIR XBPS_BUILDDIR XBPS_REPO_DELTAS \
     XBPS_REPOSITORY XBPS_ALT_REPOSITORY XBPS_SRCDISTDIR XBPS_DIGEST_CMD \
     XBPS_UHELPER_CMD XBPS_INSTALL_CMD XBPS_QUERY_CMD \
     XBPS_RINDEX_CMD XBPS_RECONFIGURE_CMD XBPS_REMOVE_CMD \