Index: trunk/scripts/git-migration/git-migrate-fast.sh
===================================================================
--- trunk/scripts/git-migration/git-migrate-fast.sh	(revision 2332)
+++ trunk/scripts/git-migration/git-migrate-fast.sh	(revision 2353)
@@ -2,4 +2,11 @@
 set -e
 
+# Depends: python-yaml, python-mako
+# and svn-all-fast-export, which comes from git://repo.or.cz/svn-all-fast-export
+# and builds with `qmake && make` with
+#   Build-Depends: qt4-qmake, libqt4-dev, libsvn-dev
+
+# Usage: ./git-migrate-fast.sh [svn-uri]
+# Exports into new subdir ./git .
 SVN=${1:-/mit/xvm/svn}