added small script to update master branch for each read-only component

scripts/update-subpackage-repos.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# Important: You need to run "make setup-subtrees" once before to ensure
+
+typeset -A repos
+# core packages
+repos[saft.data]=src/Saft/Data
+repos[saft.rdf]=src/Saft/Rdf
+repos[saft.sparql]=src/Saft/Sparql
+repos[saft.store]=src/Saft/Store
+repos[saft.test]=src/Saft/Test
+
+# additional packages
+repos[saft.arc2]=src/Saft/Addition/ARC2
+repos[saft.easyrdf]=src/Saft/Addition/EasyRdf
+repos[saft.hardf]=src/Saft/Addition/hardf
+repos[saft.erfurt]=src/Saft/Addition/Erfurt
+repos[saft.querycache]=src/Saft/Addition/QueryCache
+repos[saft.redland]=src/Saft/Addition/Redland
+repos[saft.store.http]=src/Saft/Addition/HttpStore
+repos[saft.store.virtuoso]=src/Saft/Addition/Virtuoso
+
+for i in "${!repos[@]}"
+do
+    # Access to:
+    # $i = branch name
+    # ${repos[$i]} = folder path
+
+    echo ""
+    echo "Update master branch for ${repos[$i]}"
+
+    # avoid that tags getting used for the wrong repository
+    git tag -l | xargs git tag -d
+
+    # put subfolder related changes into its own branch
+    git subtree split --prefix=${repos[$i]} -b $i
+
+    # push latest state to related remote with tags
+    git push -f $i $i:master
+done