1 files changed, 63 insertions, 0 deletions
diff --git a/docker/buildbot_step b/docker/buildbot_step
new file mode 100644
index 000000000..a567351b8
--- /dev/null
+++ b/docker/buildbot_step
@@ -0,0 +1,63 @@
+#! /bin/bash -e
+
+buildbot_step_help() {
+  echo "Run a command and wrap it in buildbot step format"
+  echo "  $0 - <buildbot step> [bash args...]"
+}
+
+bb_time() {
+  # Parser dies if this is longer then 6 chars long.
+  nano=$(date +%N | cut -c1-6)
+  echo "$(date '+%Y-%m-%d %H:%M:%S.')$nano"
+}
+
+bb_echo() {
+  echo "========= $1 ========="
+}
+
+bb_line() {
+  local type=$1 # Finished/Started
+  local step=$2 # Name of step
+  local code=$3 # Exit code
+  local duration=$4 # Elapsed time in seconds
+  local time=$(bb_time)
+
+  bb_echo "$type $step (results: $code, elapsed: $duration secs) (at $time)"
+}
+
+# Intentionally the full name of this executable so sourcing this file also
+# works as expected...
+buildbot_step() {
+  local step=$1
+  local command=${@:2}
+  local start_time=$(date +%s)
+  local exit_code=0
+
+  bb_line "Started" "$step" 0 0
+  if eval "$command";
+  then
+    exit_code=$?
+  else
+    exit_code=$?
+  fi
+
+  local end_time=$(date +%s)
+  local duration=$(($end_time-$start_time))
+
+  bb_line "Finished" "$step" $exit_code $duration
+  return $exit_code
+}
+
+
+# When this script is not being sourced invoke command directly.
+if [ "$(basename $0)" == "buildbot_step" ];
+then
+  if [ $# -lt 2 ];
+  then
+    buildbot_step_help
+    exit 1
+  fi
+  buildbot_step "$@"
+  exit $?
+fi
+