Adding prepare and verify scripts (#14)

* Adding prepare and verify scripts

* Moved parse version function to a separate source file; Added check to verify master branch.

* Support for sed on Mac

Author: hiranya911

scripts/bash_utils.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+function parseVersion {
+    if [[ ! "$1" =~ ^([0-9]*)\.([0-9]*)\.([0-9]*)$ ]]; then
+        return 1
+    fi
+    MAJOR_VERSION=$(echo "$1" | sed -e 's/^\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)$/\1/')
+    MINOR_VERSION=$(echo "$1" | sed -e 's/^\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)$/\2/')
+    PATCH_VERSION=$(echo "$1" | sed -e 's/^\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)$/\3/')
+    return 0
+}

scripts/prepare_release.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+
+source bash_utils.sh
+
+function isNewerVersion {
+    parseVersion "$1"
+    ARG_MAJOR=$MAJOR_VERSION
+    ARG_MINOR=$MINOR_VERSION
+    ARG_PATCH=$PATCH_VERSION
+
+    parseVersion "$2"
+    if [ "$ARG_MAJOR" -ne "$MAJOR_VERSION" ]; then
+        if [ "$ARG_MAJOR" -lt "$MAJOR_VERSION" ]; then return 1; else return 0; fi;
+    fi
+    if [ "$ARG_MINOR" -ne "$MINOR_VERSION" ]; then
+        if [ "$ARG_MINOR" -lt "$MINOR_VERSION" ]; then return 1; else return 0; fi;
+    fi
+    if [ "$ARG_PATCH" -ne "$PATCH_VERSION" ]; then
+        if [ "$ARG_PATCH" -lt "$PATCH_VERSION" ]; then return 1; else return 0; fi;
+    fi
+    # The build numbers are equal
+    return 1
+}
+
+set -e
+
+if [ -z "$1" ]; then
+    echo "[ERROR] No version number provided."
+    echo "[INFO] Usage: ./prepare_release.sh <VERSION_NUMBER>"
+    exit 1
+fi
+
+VERSION="$1"
+if ! parseVersion "$VERSION"; then
+    echo "[ERROR] Illegal version number provided. Version number must match semver."
+    exit 1
+fi
+
+CUR_VERSION=`grep "^__version__ =" ../firebase_admin/__init__.py | awk '{print $3}' | sed "s/'//g"`
+if [ -z "$CUR_VERSION" ]; then
+    echo "[ERROR] Failed to find the current version. Check firebase_admin/__init__.py for version declaration."
+    exit 1
+fi
+if ! parseVersion "$CUR_VERSION"; then
+    echo "[ERROR] Illegal current version number. Version number must match semver."
+    exit 1
+fi
+
+if ! isNewerVersion "$VERSION" "$CUR_VERSION"; then
+    echo "[ERROR] Illegal version number provided. Version $VERSION <= $CUR_VERSION"
+    exit 1
+fi
+
+CHECKED_OUT_BRANCH="$(git branch | grep "*" | awk -F ' ' '{print $2}')"
+if [[ $CHECKED_OUT_BRANCH != "master" ]]; then
+    echo "[ERROR] You are on the '${CHECKED_OUT_BRANCH}' branch. Release must be prepared from the 'master' branch."
+    exit 1
+fi
+if [[ `git status --porcelain` ]]; then
+    echo "[ERROR] Local changes exist in the repo. Resolve local changes before release."
+    exit 1
+fi
+
+HOST=$(uname)
+echo "[INFO] Updating version number in firebase_admin/__init__.py"
+if [ $HOST == "Darwin" ]; then
+    sed -i "" -e "s/__version__ = '$CUR_VERSION'/__version__ = '$VERSION'/" "../firebase_admin/__init__.py"
+else
+    sed --in-place -e "s/__version__ = '$CUR_VERSION'/__version__ = '$VERSION'/" "../firebase_admin/__init__.py"
+fi
+
+echo "[INFO] Running unit tests"
+tox --workdir ..
+
+echo "[INFO] This repo has been prepared for a release. Create a branch and commit the changes."

scripts/verify_release.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+source bash_utils.sh
+
+if [ -z "$1" ]; then
+    echo "[ERROR] No version number provided."
+    echo "[INFO] Usage: ./verify_release.sh <VERSION_NUMBER>"
+    exit 1
+fi
+
+VERSION="$1"
+if ! parseVersion "$VERSION"; then
+    echo "[ERROR] Illegal version number provided. Version number must match semver."
+    exit 1
+fi
+
+mkdir sandbox
+virtualenv sandbox
+source sandbox/bin/activate
+pip install firebase_admin
+INSTALLED_VERSION=`python -c 'import firebase_admin; print firebase_admin.__version__'`
+echo "[INFO] Installed firebase_admin version $INSTALLED_VERSION"
+deactivate
+rm -rf sandbox
+
+if [[ "$VERSION" == "$INSTALLED_VERSION" ]]; then
+    echo "[INFO] Release verified successfully"
+else
+    echo "[ERROR] Installed version did not match the release version."
+    exit 1
+fi