Update version scripts (#26)

Gopkg.toml

@@ -1,3 +1,3 @@
 [[constraint]]
   name = "github.com/pulumi/pulumi"
-  version = "v0.15.0"
+  branch = "master"

nodejs/eks/examples/examples_test.go

@@ -45,6 +45,7 @@ func Test_Examples(t *testing.T) {
 			Dependencies: []string{
 				"@pulumi/eks",
 			},
+			ExpectRefreshChanges: true,
 		},
 	}
 	for _, ex := range examples {

scripts/get-version

@@ -9,20 +9,43 @@ DIRTY_TAG=""
 # treat the worktree as dirty when it is not.
 git update-index -q --refresh
 if ! git diff-files --quiet; then
-    DIRTY_TAG="-dirty"
+    DIRTY_TAG="dirty"
 fi
 
-# If we have an exact tag, and it is not a -dev tag, just use it.
+# If we have an exact tag, just use it.
 if git describe --tags --exact-match "${COMMITISH}" >/dev/null 2>&1; then
-    TAG="$(git describe --tags --exact-match "${COMMITISH}")"
-    if [[ ! "${TAG}" =~ -dev$ ]]; then
-        echo "$(git describe --tags --exact-match "${COMMITISH}")${DIRTY_TAG}"
-        exit 0
+    echo -n "$(git describe --tags --exact-match "${COMMITISH}")"
+    if [ ! -z "${DIRTY_TAG}" ]; then
+        echo -n "+${DIRTY_TAG}"
     fi
+
+    echo ""
+    exit 0
+fi
+
+# Otherwise, increment the patch version, add the -dev tag and some
+# commit metadata. If there's no existing tag, pretend a v0.0.0 was
+# there so we'll produce v0.0.1-dev builds.
+if git describe --tags --abbrev=0 "${COMMITISH}" > /dev/null 2>&1; then
+    TAG=$(git describe --tags --abbrev=0 "${COMMITISH}")
+else
+    TAG="v0.0.0"
+fi
+
+# Strip off any pre-release tag we might have (e.g. from doing a -rc build)
+TAG=${TAG%%-*}
+
+MAJOR=$(cut -d. -f1 <<< "${TAG}")
+MINOR=$(cut -d. -f2 <<< "${TAG}")
+PATCH=$(cut -d. -f3 <<< "${TAG}")
+
+# We want to include some additional information. To the base tag we
+# add a timestamp and commit hash. We use the timestamp of the commit
+# itself, not the date it was authored (so it will change when someone
+# rebases a PR into master, for example).
+echo -n "${MAJOR}.${MINOR}.$((${PATCH}+1))-dev.$(git show -s --format='%ct+g%h' ${COMMITISH})"
+if [ ! -z "${DIRTY_TAG}" ]; then
+    echo -n ".${DIRTY_TAG}"
 fi
 
-# Otherwise we want to include some additional information. To the
-# base tag we add a timestamp and commit hash. We use the timestamp of
-# the commit itself, not the date it was authored (so it will change
-# when someone rebases a PR into master, for example).
-echo "$(git describe --tags --abbrev=0 ${COMMITISH})-$(git show -s --format='%ct-g%h' ${COMMITISH})${DIRTY_TAG}"
+echo ""