diff --git a/functions.sh b/functions.sh
index 95fae85..1eb5388 100644
--- a/functions.sh
+++ b/functions.sh
@@ -125,4 +125,22 @@ sit_setperms() {
     src_setperms  || sit_fail "Could not set permissions"
 }
 
-
+sit_sitinfo() {
+	local SIT_VERSION="unknown"
+	if [ "$(svnversion $SIT_PATH)" != "exported" ] ; then 
+		sit_info "SVN"
+		SIT_VERSION="svn-r$(svnversion $SIT_PATH)" 
+	elif [ git svn find-rev r1 ] ; then 
+		sit_info "GIT"
+		SIT_VERSION="$(cd $SIT_PATH; git svn find-rev HEAD) (git svn)"; 
+	else 
+		SIT_VERSION="unknown"
+	fi
+	echo "Invocation: $(ps --pid $$ -o cmd | tail -n 1)"
+	echo "Started: $(date)"
+	echo "Version: $SIT_VERSION"
+	echo "Environment:"
+	echo "------------------------------------------------------------------------------"
+	env
+	echo "------------------------------------------------------------------------------"
+}
diff --git a/sit b/sit
index 42463ac..808fb3f 100755
--- a/sit
+++ b/sit
@@ -166,6 +166,7 @@ mkdir -p ${WORKDIR}
 mkdir -p ${BUILDDIR}
 mkdir -p ${LOGDIR}
 
+sit_sitinfo >> "$LOGDIR/sit_cmd.log"
 sit_unpack    2>&1 | tee "$LOGDIR/unpack.log";       ( exit ${PIPESTATUS} )
 sit_prepare   2>&1 | tee "$LOGDIR/prepare.log";      ( exit ${PIPESTATUS} )
 sit_configure 2>&1 | tee "$LOGDIR/configure.log";    ( exit ${PIPESTATUS} )