#
# git-filter-branch ... new-H C..H --not D
# git-filter-branch ... new-H D..H --not C
+#
+# To move the whole tree into a subdirectory, or remove it from there:
+#
+# git-filter-branch --index-filter \
+# 'git-ls-files -s | sed "s-\t-&newsubdir/-" |
+# GIT_INDEX_FILE=$GIT_INDEX_FILE.new \
+# git-update-index --index-info &&
+# mv $GIT_INDEX_FILE.new $GIT_INDEX_FILE' directorymoved
# Testsuite: TODO