# 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
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-import os, git, subprocess, re
+import os, 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),
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)
+
+class GitCommand:
+ def __getattr__(self, name):
+ def call(*args):
+ cmd = ["git", name.replace('_', '-')] + list(args)
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE) # TODO use with
+ (stdout, stderr) = p.communicate()
+ if p.returncode != 0:
+ raise Exception("Running %s returned non-zero exit code %d" % (str(cmd), p.returncode))
+ return filter(len, stdout.split('\n')) # return list of non-empty lines
+ return call
+git = GitCommand()
+
# 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
-
- class _ProgressPrinter(git.remote.RemoteProgress):
- def update(self, op_code, cur_count, max_count=None, message=''):
- print self._cur_line+(" "*30)+"\r",
+ self.url = config['url']
+ self.commit = config['version']
def update(self, mode = MODE_REBASE):
isBranch = (self.commit.startswith('origin/'))
# get us a git repository, and the "origin" remote
if os.path.exists(self.folder):
# load existing repo
- repo = git.Repo(self.folder)
- origin = repo.remotes.origin
- origin.config_writer.set_value("url", self.url) # make sure we use the current URL
+ os.chdir(self.folder)
+ git.remote("set-url", "origin", self.url) # make sure we use the current URL
else:
# create a new one
os.makedirs(self.folder)
- repo = git.Repo.init(self.folder)
- origin = repo.create_remote('origin', self.url)
- origin.fetch(progress=Git._ProgressPrinter()) # download new data
- print " "*80+"\r", # clean the line we are in
+ os.chdir(self.folder)
+ git.init()
+ git.remote("add", "origin", self.url)
+ git.fetch("origin")
if mode == MODE_FETCH:
return
# create/find correct branch
- if branchname in repo.heads:
- branch = repo.heads[branchname]
- else:
- branch = repo.create_head(branchname, self.commit)
- if isBranch: # track remote branch
- branch.set_tracking_branch(origin.refs[branchname])
+ if not git.branch("--list", branchname): # the branch does not yet exit
+ git.branch(branchname, self.commit)
+ if isBranch: # make sure we track remote branch
+ git.branch("-u", self.commit, branchname)
# update it to the latest remote commit
- branch.checkout()
+ git.checkout(branchname)
if mode == MODE_RESET:
- repo.head.reset(self.commit, working_tree=True)
+ git.reset("--hard", self.commit)
else:
- repo.git.rebase(self.commit)
+ git.rebase(self.commit)
# update submodules
- repo.git.submodule("update", "--init", "--recursive", "--rebase")
+ git.submodule("update", "--init", "--recursive", "--rebase")
# done
print "...done",
- if repo.head.reference.commit != repo.commit(self.commit):
+ if git.rev_parse("HEAD")[0] != git.rev_parse(self.commit)[0]:
print "(keeping local patches around)",
print
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):
- 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
- tags = map(str, repo.tags)
- tags = filter(lambda t: natural_sort_key(t) > natural_sort_key(currentVersion), tags)
+ self.update(mode = MODE_FETCH)
+ currentVersion = git.describe()[0]
+ # get sorted list of tag names with the same non-digit prefix and higher version number
+ tags = git.tag()
+ 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
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
projects / mass-build.git / blobdiff