4 files changed, 52 insertions, 0 deletions
diff --git a/scripts/build/get-scala-commit-date b/scripts/build/get-scala-commit-date
new file mode 100755
index 000000000..ef5b0f540
--- /dev/null
+++ b/scripts/build/get-scala-commit-date
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+#
+# Usage: get-scala-commit-date [dir]
+# Figures out current commit date of a git clone.
+# If no dir is given, current working dir is used.
+#
+# Example build version string:
+#   20120312
+#
+
+[[ $# -eq 0 ]] || cd "$1"
+
+lastcommitdate=$(git log --format="%ci" HEAD | head -n 1 | cut -d ' ' -f 1)
+
+# 20120324
+echo "${lastcommitdate//-/}"
diff --git a/scripts/build/get-scala-commit-date.bat b/scripts/build/get-scala-commit-date.bat
new file mode 100644
index 000000000..735a80b92
--- /dev/null
+++ b/scripts/build/get-scala-commit-date.bat
@@ -0,0 +1,9 @@
+@echo off
+for %%X in (bash.exe) do (set FOUND=%%~$PATH:X)
+if defined FOUND (
+  bash "%~dp0\get-scala-commit-date" 2>NUL
+) else (
+  rem echo this script does not work with cmd.exe. please, install bash
+  echo unknown
+  exit 1
+)
diff --git a/scripts/build/get-scala-commit-sha b/scripts/build/get-scala-commit-sha
new file mode 100755
index 000000000..eab90a421
--- /dev/null
+++ b/scripts/build/get-scala-commit-sha
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+#
+# Usage: get-scala-commit-sha [dir]
+# Figures out current commit sha of a git clone.
+# If no dir is given, current working dir is used.
+#
+# Example build version string:
+#   6f1c486d0ba
+#
+
+[[ $# -eq 0 ]] || cd "$1"
+
+# printf %016s is not portable for 0-padding, has to be a digit.
+# so we're stuck disassembling it.
+hash=$(git log -1 --format="%H" HEAD)
+hash=${hash#g}
+hash=${hash:0:10}
+echo "$hash"
diff --git a/scripts/build/get-scala-commit-sha.bat b/scripts/build/get-scala-commit-sha.bat
new file mode 100644
index 000000000..6559a1912
--- /dev/null
+++ b/scripts/build/get-scala-commit-sha.bat
@@ -0,0 +1,9 @@
+@echo off
+for %%X in (bash.exe) do (set FOUND=%%~$PATH:X)
+if defined FOUND (
+  bash "%~dp0\get-scala-commit-sha" 2>NUL
+) else (
+  rem echo this script does not work with cmd.exe. please, install bash
+  echo unknown
+  exit 1
+)