1#!/usr/bin/env python3
2
3"This tool is intended to be used from meson"
4
5import os, sys, shutil, re
6
7if len (sys.argv) < 4:
8	sys.exit(__doc__)
9
10version = sys.argv[1]
11major, minor, micro = version.split (".")
12
13OUTPUT = sys.argv[2]
14INPUT = sys.argv[3]
15CURRENT_SOURCE_DIR = os.path.dirname(INPUT)
16
17try:
18	with open (OUTPUT, "r") as old_output:
19		for line in old_output:
20			old_version = re.match (r"#define HB_VERSION_STRING \"(\d.\d.\d)\"", line)
21			if old_version and old_version[1] == version:
22				sys.exit ()
23except IOError:
24	pass
25
26with open (INPUT, "r", encoding='utf-8') as template:
27	with open (OUTPUT, "wb") as output:
28		output.write (template.read ()
29			.replace ("@HB_VERSION_MAJOR@", major)
30			.replace ("@HB_VERSION_MINOR@", minor)
31			.replace ("@HB_VERSION_MICRO@", micro)
32			.replace ("@HB_VERSION@", version)
33			.encode ())
34
35# copy it also to src/
36shutil.copyfile (OUTPUT, os.path.join (CURRENT_SOURCE_DIR, os.path.basename (OUTPUT)))
37