Adding scripts

taggit

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+if [ "$MAKETAG" == "false" ]; then
+    exit 0
+fi
+
+if [ ! -f version ]; then
+    ${dirname $BASH_SOURCE)/genversion > version
+fi
+
+. ~/.buildtoolsrc
+git pull
+
+TAGSHA1=$(git rev-list $TAG | head -n 1)
+if [ $REBUILDING -eq 0 ]; then
+    echo "This is a rebuild of a previous tag, not tagging or pushing" >&2
+elif [ "$TAGSHA1" != "" ] && [ "$TAGSHA1" != "$SHA1" ]; then
+    echo "Someone else tagged my buildnumber (branch|${MAJOR}|${BUILD}) onto $TAGSHA1, while I built it from $SHA1 ... "'Help!' >&2
+    exit 1
+elif [ "$TAGSHA1" != "" ] && [ "$TAGSHA1" == "$SHA1" ]; then
+    echo "Someone else built this version at the same time I did, and we both tagged the same SHA1 with the same build tag. Not pushing my tag."
+else
+    git tag -f -a "build,${MAJOR},${BUILD}" $SHA1
+    if [ "$PUSHTAG" != "false" ]; then
+	git push
+    fi
+fi