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+====== quilt(1) ======
+''quilt'' is an excellent patch management utility. Especially upgrading a stack of many patches is often a pain in the ass.
+Using ''quilt'' all that matters are the right commands at the right time. :)
+===== Refreshing External Patches =====
+Not every project is using ''quilt'', but that's not a problem, one can use it nevertheless.
+Assuming the patches are to be applied in alphabetical order and residing in ${PATCHES_DIR},
+after unpacking the source package and ''cd'''ing into the root directory, you can use the following
+script to import all patches in one run:
+  for i in ${PATCHES_DIR}/*.patch; do
+          quilt import -P `basename $i` $i
+          quilt push `basename $i`
+  done
+Go back to the initial state:
+  quilt pop -a
+To actually update the patches, run:
+  while quilt push; do
+          quilt refresh -p 1 -u --no-index --backup
+  done
+you will find the updated patches inside //patches/// along with their original version suffixed with tilde.
+To get a total diff, use this script:
+  for i in patches/*.patch; do
+          diff ${i}~ $i
+  done >quilt_check.log
+sometimes some ''grep'''ing is helpful, e.g.:
+  cat quilt_check.log| grep -v -- '---' | grep -v '@@' | grep -v '+++' | grep -v 'diff ' | grep -ve '[0-9]*c'
+====== Links ======
+[[http://savannah.nongnu.org/projects/quilt|Quilt Homepage]]