release.py

#! python

from subprocess import call

import subprocess
import fileinput
import re
import os
import sys
import getopt

def safeProcess( cmd ):
	"Run command, return boolean for success"
	print(cmd);
	try:
		out = subprocess.check_output(cmd, shell=True)
		print(out.decode("utf-8").replace("\\\n", "\n"))
		return True;
	except subprocess.CalledProcessError as e:                                                                                                   
		print("Status : FAIL", e.returncode, e.output)
		return False;
		
def safeExit():
	print ("Exiting...")
	sys.exit(1)
#	safeProcess("git reset --hard head")

def get_version(filename):
    pattern = re.compile("\s*modversion\s*=\s*(\d*.\d*.\d*)");
    for line in fileinput.input(filename):
        if re.search(pattern, line): 
            print(pattern.search(line).groups())
            version = pattern.search(line).groups()[0]
            return version
    return None;        

# Don't continue if working copy is dirty
if not safeProcess('git diff-index --quiet HEAD --'):
	print( "Cannot build, git working copy dirty")
	safeExit()
	
# Build
if not safeProcess("bash gradlew clean"):
	print("Building mod failed, won't continue")
	safeExit(); 
    
if not safeProcess("bash gradlew build"):
	print("Building mod failed, won't continue")
	safeExit(); 
    
# Tag code by version
gradle_file = 'gradle.properties'

version = get_version(gradle_file)
safeProcess("git tag release/{}".format(version))