-import os, git, subprocess
+# mass-build - Easily Build Software Involving a Large Amount of Source Repositories
+# 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
+# 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, 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)
+
+class GitCommand:
+ def __getattr__(self, name):
+ def call(*args, suppress_stderr = False, split = True):
+ cmd = ["git", name.replace('_', '-')] + list(args)
+ with subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE if suppress_stderr else None) as p:
+ (stdout, stderr) = p.communicate()
+ if p.returncode != 0:
+ raise Exception("Running %s returned non-zero exit code %d" % (str(cmd), p.returncode))
+ stdout = stdout.decode('utf-8').strip('\n')
+ return stdout.split('\n') if split else stdout
+ 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
+ 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):
+ def update(self, mode = MODE_REBASE):
isBranch = (self.commit.startswith('origin/'))
if isBranch:
branchname = self.commit[len('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 the correct remote branch
+ git.branch("-u", self.commit, branchname)
# update it to the latest remote commit
- branch.checkout()
- repo.git.rebase(self.commit)
- print "...done",
- if repo.head.reference.commit != repo.commit(self.commit):
- print "(keeping local patches around)",
- print
+ git.checkout(branchname, suppress_stderr=True)
+ if mode == MODE_RESET:
+ git.reset("--hard", self.commit)
+ else:
+ git.rebase(self.commit)
+ # update submodules
+ git.submodule("update", "--init", "--recursive", "--rebase")
+ # done
+ print("...done", end=' ')
+ if git.rev_parse("HEAD", split=False) != git.rev_parse(self.commit, split=False):
+ print("(keeping local patches around)", end=' ')
+ 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):
+ self.update(mode = MODE_FETCH)
+ currentVersion = git.describe(split=False)
+ # get sorted list of tag names with the same non-digit prefix and higher version number
+ tags = git.tag()
+ tags = [t for t in tags if get_non_digit_prefix(t) == get_non_digit_prefix(currentVersion) and natural_sort_key(t) > natural_sort_key(currentVersion)]
+ if not tags: return
+ tags.sort(key = natural_sort_key)
+ print("Versions newer than "+currentVersion+" 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):
+ 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 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")
projects / mass-build.git / blobdiff