diff --git a/.gitignore b/.gitignore
index 19aa429..3b201a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 # Composer
 composer.lock
 vendor/*
+
+# Build
+.subsplit/
diff --git a/build/subsplit-basic.sh b/build/subsplit-basic.sh
index 19b780e..a9e9860 100755
--- a/build/subsplit-basic.sh
+++ b/build/subsplit-basic.sh
@@ -1,6 +1,11 @@
 #!/bin/sh
-git subsplit init git@github.com:orchestral/support.git
+
+if [ -d .subsplit ]; then
+    git subsplit update
+else
+    git subsplit init git@github.com:orchestral/support.git
+fi
+
 git subsplit publish --heads="master 3.0" --no-tags src/Facades:git@github.com:orchestral/support-facades.git
 git subsplit publish --heads="master 3.0" --no-tags src/Providers:git@github.com:orchestral/support-providers.git
 git subsplit publish --heads="master 2.1 2.2 3.0" --no-tags src/Support:git@github.com:orchestral/support-core.git
-rm -rf .subsplit/
diff --git a/build/subsplit-full.sh b/build/subsplit-full.sh
index 4076434..85c66f1 100755
--- a/build/subsplit-full.sh
+++ b/build/subsplit-full.sh
@@ -1,6 +1,11 @@
 #!/bin/sh
-git subsplit init git@github.com:orchestral/support.git
+
+if [ -d .subsplit ]; then
+    git subsplit update
+else
+    git subsplit init git@github.com:orchestral/support.git
+fi
+
 git subsplit publish --heads="master 3.0" src/Facades:git@github.com:orchestral/support-facades.git
 git subsplit publish --heads="master 3.0" src/Providers:git@github.com:orchestral/support-providers.git
 git subsplit publish --heads="master 2.1 2.2 3.0" src/Support:git@github.com:orchestral/support-core.git
-rm -rf .subsplit/
diff --git a/build/subsplit-tag.sh b/build/subsplit-tag.sh
new file mode 100755
index 0000000..61aed07
--- /dev/null
+++ b/build/subsplit-tag.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+if [ -z "$1" ]; then
+    echo "No argument supplied";
+    exit 1;
+fi
+
+if [ -d .subsplit ]; then
+    git subsplit update
+else
+    git subsplit init git@github.com:orchestral/support.git
+fi
+
+git subsplit publish --heads="master 3.0" --tags=$1 src/Facades:git@github.com:orchestral/support-facades.git
+git subsplit publish --heads="master 3.0" --tags=$1 src/Providers:git@github.com:orchestral/support-providers.git
+git subsplit publish --heads="master 2.1 2.2 3.0" --tags=$1 src/Support:git@github.com:orchestral/support-core.git