Create nextbuildver.sh

nextbuildver.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+#set -e
+#
+# nextbuildver.sh
+# Find the next build version number and either return it if no arguments
+# were passed in, or insert/append it to the filename passed in
+# If the argument passed in has a dot in it, the version will be inserted
+# before the dot with a leading underscore
+# eg: abc -> abc_4.2.4   or a.sh -> a_4.2.4.sh
+#
+# Expects one environment variable to exist:
+#   artifact_name - the base filename to calculate the build number for
+#   s3_bucket - the bucket where artifacts reside (to see latest one)
+
+echo "Starting nextbuildver.sh"
+
+if [[ $# > 2 ]]; then
+  echo "Error: There must be at most one argument.  If present, it must \
+    be a filename to be modified"
+  exit 1
+fi
+
+if [[ -n "$1" ]]; then
+  fname="$1"
+  echo "got filename=$fname"
+else
+  if [[ -z "$1" ]]; then
+    echo "got -z \$1"
+  fi
+fi
+
+if [[ -z "$artifact_name" ]]; then
+  echo "Error: Missing environment variable \$artifact_name"
+  exit 1
+fi
+
+if [[ -z "$s3_bucket" ]]; then
+  echo "Error: Missing environment variable \$s3_bucket"
+  exit 1
+fi
+