Add python patch script

patch.py

@@ -0,0 +1,56 @@
+import json
+import subprocess
+
+# This script will:
+# - read current version
+# - increment patch version
+# - update version in a few places
+# - insert new line in ripme.json with message
+
+message = raw_input('message: ')
+
+with open('ripme.json') as dataFile:
+    ripmeJson = json.load(dataFile)
+currentVersion = ripmeJson["latestVersion"]
+
+print 'Current version ' + currentVersion
+
+versionFields = currentVersion.split('.')
+patchCur = int(versionFields[2])
+patchNext = patchCur + 1
+majorMinor = versionFields[:2]
+majorMinor.append(str(patchNext))
+nextVersion = '.'.join(majorMinor)
+
+print 'Updating to ' + nextVersion
+
+substrExpr = 's/' + currentVersion + '/' + nextVersion + '/'
+subprocess.call(['sed', '-i', '-e', substrExpr, 'src/main/java/com/rarchives/ripme/ui/UpdateUtils.java'])
+subprocess.call(['git', 'grep', 'DEFAULT_VERSION.*' + nextVersion,
+                 'src/main/java/com/rarchives/ripme/ui/UpdateUtils.java'])
+
+substrExpr = 's/\\\"latestVersion\\\": \\\"' + currentVersion + '\\\"/\\\"latestVersion\\\": \\\"' +\
+             nextVersion + '\\\"/'
+subprocess.call(['sed', '-i', '-e', substrExpr, 'ripme.json'])
+subprocess.call(['git', 'grep', 'latestVersion', 'ripme.json'])
+
+substrExpr = 's/<version>' + currentVersion + '/<version>' + nextVersion + '/'
+subprocess.call(['sed', '-i', '-e', substrExpr, 'pom.xml'])
+subprocess.call(['git', 'grep', '<version>' + nextVersion + '</version>', 'pom.xml'])
+
+commitMessage = nextVersion + ': ' + message
+changeLogLine = '        \"' + commitMessage + '\",\n'
+
+dataFile = open("ripme.json", "r")
+ripmeJsonLines = dataFile.readlines()
+ripmeJsonLines.insert(3, changeLogLine)
+outputContent = ''.join(ripmeJsonLines)
+dataFile.close()
+
+dataFile = open("ripme.json", "w")
+dataFile.write(outputContent)
+dataFile.close()
+
+subprocess.call(['git', 'add', '-u'])
+subprocess.call(['git', 'commit', '-m', commitMessage])
+subprocess.call(['git', 'tag', nextVersion])