X-Git-Url: https://git.ralfj.de/mass-build.git/blobdiff_plain/cd1b16983d17b2cf8675166758c48fe4bfd0bb0a..d4fc8a23ab74275f6ab3f2134a203e6e72a639e0:/vcs.py

diff --git a/vcs.py b/vcs.py
index 02a9192..89a4920 100644
--- a/vcs.py
+++ b/vcs.py
@@ -1,5 +1,5 @@
 # mass-build - Easily Build Software Involving a Large Amount of Source Repositories
-# Copyright (C) 2012 Ralf Jung <post@ralfj.de>
+# Copyright (C) 2012-2013 Ralf Jung <post@ralfj.de>
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -27,13 +27,15 @@ MODE_RESET = 2
 def natural_sort_key(val):
 	return [ (int(c) if c.isdigit() else c) for c in re.split('([0-9]+)', val) ]
 
+def get_non_digit_prefix(val):
+	return re.match('[^0-9]*', val).group(0)
+
 # Fetch updates from git
 class Git:
-	
-	def __init__(self, folder, url, commit):
+	def __init__(self, folder, config):
 		self.folder = os.path.abspath(folder)
-		self.url = url
-		self.commit = commit
+		self.url = config['url']
+		self.commit = config['version']
 
 	class _ProgressPrinter(git.remote.RemoteProgress):
 		def update(self, op_code, cur_count, max_count=None, message=''):
@@ -84,24 +86,18 @@ class Git:
 	def version(self):
 		repo = git.Repo(self.folder)
 		v = repo.git.describe()
-		if v.startswith('v'): v = v[1:]
-		return v
+		return v[len(get_non_digit_prefix(v)):] # remove the non-digit prefix from v (so that it starts with a number)
 
 	def checkVersions(self):
+		self.update(mode = MODE_FETCH)
 		repo = git.Repo(self.folder)
-		# get tag for current commit, if any
-		commit = repo.commit(self.commit)
-		commitTag = filter(lambda t: t.commit == commit, repo.tags)
-		if not commitTag:
-			print "Version is not a tag"
-			return
-		currentVersion = str(commitTag[0])
-		# get sorted list of tag names
+		currentVersion = repo.git.describe()
+		# get sorted list of tag names with the same non-digit prefix and higher version number
 		tags = map(str, repo.tags)
-		tags = filter(lambda t: natural_sort_key(t) > natural_sort_key(currentVersion), tags)
+		tags = filter(lambda t: get_non_digit_prefix(t) == get_non_digit_prefix(currentVersion) and natural_sort_key(t) > natural_sort_key(currentVersion), tags)
 		if not tags: return
 		tags.sort(key = natural_sort_key)
-		print "Versions newer than "+self.commit+" available:"
+		print "Versions newer than "+currentVersion+" available:"
 		print tags
 
 # Fetch updates via SVN
@@ -110,10 +106,11 @@ class SVN:
 		self.folder = os.path.abspath(folder)
 		self.url = url
 
-	def update(self, forceVersion=False):
+	def update(self, mode = MODE_REBASE):
+		if mode == MODE_FETCH: raise Exception("Just fetching is not supported with SVN")
 		if os.path.exists(self.folder):
 			os.chdir(self.folder) # go into repository
-			if forceVersion: subprocess.check_call(['svn', 'revert', '-R', '.'])
+			if mode == MODE_RESET: subprocess.check_call(['svn', 'revert', '-R', '.'])
 			subprocess.check_call(['svn', 'switch', self.url]) # and update to the URL we got
 		else:
 			os.makedirs(self.folder) # if even the parent folder does not exist, svn fails