A script that generates version string for nightlies

scripts/get_nightly_version.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+#------------------------------------------------------------------------------
+# Prints the exact version string that would be used to describe a nightly
+# build of the compiler.
+#
+# The documentation for solidity is hosted at:
+#
+#     https://solidity.readthedocs.org
+#
+# ------------------------------------------------------------------------------
+# This file is part of solidity.
+#
+# solidity is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# solidity is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with solidity.  If not, see <http://www.gnu.org/licenses/>
+#
+# (c) 2017 solidity contributors.
+#------------------------------------------------------------------------------
+
+set -e
+
+script_dir="$(dirname "$0")"
+
+solidity_version=$("${script_dir}/get_version.sh")
+last_commit_timestamp=$(git log -1 --date=iso --format=%ad HEAD)
+last_commit_date=$(date --date="$last_commit_timestamp" --utc +%Y.%-m.%-d)
+last_commit_hash=$(git rev-parse --short=8 HEAD)
+
+echo "v${solidity_version}-nightly.${last_commit_date}+commit.${last_commit_hash}"