-import os, git, subprocess
+# mass-build - Easily Build Software Involving a Large Amount of Source Repositories
+# Copyright (C) 2012 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
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-'''A VCS must have an "update" method with an optional "force" parameter.'''
+import os, git, subprocess, re
+
+'''A VCS must have an "update" method with an optional "mode" parameter taking one of the three values below,
+ a "version" method returning a version name (or None),
+ and a "newVersions" method which checks for new versions and prints the result to standard output.'''
+MODE_FETCH = 0
+MODE_REBASE = 1
+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=''):
print self._cur_line+(" "*30)+"\r",
- def update(self, forceVersion=False):
+ def update(self, mode = MODE_REBASE):
isBranch = (self.commit.startswith('origin/'))
if isBranch:
branchname = self.commit[len('origin/'):]
origin = repo.create_remote('origin', self.url)
origin.fetch(progress=Git._ProgressPrinter()) # download new data
print " "*80+"\r", # clean the line we are in
+ if mode == MODE_FETCH:
+ return
# create/find correct branch
if branchname in repo.heads:
branch = repo.heads[branchname]
branch.set_tracking_branch(origin.refs[branchname])
# update it to the latest remote commit
branch.checkout()
- if forceVersion:
+ if mode == MODE_RESET:
repo.head.reset(self.commit, working_tree=True)
else:
repo.git.rebase(self.commit)
+ # update submodules
+ repo.git.submodule("update", "--init", "--recursive", "--rebase")
+ # done
print "...done",
if repo.head.reference.commit != repo.commit(self.commit):
print "(keeping local patches around)",
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 letter 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 name 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 with the same letter prefix and higher version number
+ tags = map(str, repo.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 tags
# Fetch updates via SVN
class SVN:
- def __init__(self, folder, url, versionName):
+ def __init__(self, folder, url):
self.folder = os.path.abspath(folder)
self.url = url
- self.versionName = versionName
- 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
subprocess.check_call(['svn', 'co', self.url, self.folder]) # just download it
-
+
def version(self):
- return self.versionName
+ return None
+
+ def checkVersions(self):
+ print "Version checking not supporting with SVN"