Add release script

Author: paulproteus

release.sh

@@ -0,0 +1,65 @@
+#! /bin/bash
+
+set -euo pipefail
+
+echo "**** Checking environment for configuration. ****"
+export | grep -q GITHUB_TOKEN= || (echo "Aiee, you should set a GITHUB_TOKEN environment variable." ; exit 1)
+
+if [ "x$(git status --porcelain)" != "x" ]; then
+  echo "Please commit changes to git before releasing." >&2
+  exit 1
+fi
+
+CHANNEL=dev
+
+echo "**** Determining next build number for $CHANNEL channel ****"
+
+LAST_BUILD=$(curl -fs https://install.sandstorm.io/$CHANNEL)
+
+. ../sandstorm/branch.conf
+
+if (( LAST_BUILD / 1000 > BRANCH_NUMBER )); then
+  echo "ERROR: $CHANNEL has already moved past this branch!" >&2
+  echo "  I refuse to replace it with an older branch." >&2
+  exit 1
+fi
+
+BASE_BUILD=$(( BRANCH_NUMBER * 1000 ))
+BUILD=$(( BASE_BUILD > LAST_BUILD ? BASE_BUILD : LAST_BUILD ))
+BUILD_MINOR="$(( $BUILD % 1000 ))"
+DISPLAY_VERSION="${BRANCH_NUMBER}.${BUILD_MINOR}"
+TAG_NAME="v${DISPLAY_VERSION}"
+
+# Verify that the changelog has been updated.
+EXPECTED_CHANGELOG="### $TAG_NAME ($(date '+%Y-%m-%d'))"
+if [ "$(head -n 1 CHANGELOG.md)" != "$EXPECTED_CHANGELOG" ]; then
+  echo "Changelog not updated. First line should be:" >&2
+  echo "$EXPECTED_CHANGELOG" >&2
+  exit 1
+fi
+
+# The Windows EXE stores the version number as an integer, e.g. 75 for
+# build 75 within branch 0. See Sandstorm's release.sh for more
+# information.
+WINDOWS_EXE=windows-support/dist/innosetup/vagrant-spk-setup.exe
+
+echo "**** Building Windows EXE ****"
+(cd windows-support && make)
+
+echo "**** Tagging this commit ****"
+
+# The git tag stores the version number as a normal-looking version
+# number, like 0.75 for build 75 within branch 0, or 2.121 for build
+# 121 within branch 2.
+
+GIT_REVISION="$(git rev-parse HEAD)"
+git tag "$TAG_NAME" "$GIT_REVISION" -m "Release vagrant-spk ${DISPLAY_VERSION}"
+
+echo "**** Now is your chance to interrupt the process if you need! ^D to continue, ^C to stop ****"
+cat
+
+echo "**** Pushing build $BUILD ****"
+
+git push origin "$TAG_NAME"
+github-release release --draft --tag "$TAG_NAME" -u sandstorm-io -r vagrant-spk -d "$(python -c 's = open("CHANGELOG.md").read(); print s[:s.index("\n### ")-1]')"
+github-release upload -u sandstorm-io -r vagrant-spk -t "$TAG_NAME" -n "vagrant-spk-setup-$TAG_NAME.exe" --file "$WINDOWS_EXE"