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.'''
+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) ]
+ 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)
+ 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
+ def __getattr__(self, name):
+ def call(*args, get_stderr = False):
+ cmd = ["git", name.replace('_', '-')] + list(args)
+ output = subprocess.check_output(cmd, stderr=subprocess.STDOUT if get_stderr else None)
+ return output.decode('utf-8').strip('\n')
+ return call
git = GitCommand()
# Fetch updates from git
class Git:
- def __init__(self, folder, config):
- self.folder = os.path.abspath(folder)
- self.url = config['url']
- self.commit = config['version']
+ def __init__(self, folder, config):
+ self.folder = os.path.abspath(folder)
+ self.url = config['url']
+ self.commit = config['version']
- def update(self, mode = MODE_REBASE):
- isBranch = (self.commit.startswith('origin/'))
- if isBranch:
- branchname = self.commit[len('origin/'):]
- else:
- branchname = "tag"
- # get us a git repository, and the "origin" remote
- if os.path.exists(self.folder):
- # load existing repo
- 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)
- 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 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
- git.checkout(branchname)
- 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",
- if git.rev_parse("HEAD")[0] != git.rev_parse(self.commit)[0]:
- print "(keeping local patches around)",
- print
+ def update(self, mode = MODE_REBASE):
+ isBranch = (self.commit.startswith('origin/'))
+ if isBranch:
+ branchname = self.commit[len('origin/'):]
+ else:
+ branchname = "tag"
+ # get us a git repository, and the "origin" remote
+ if os.path.exists(self.folder):
+ # load existing repo
+ 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)
+ 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 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
+ git.checkout(branchname, get_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") != git.rev_parse(self.commit):
+ print("(keeping local patches around)", end=' ')
+ print()
- def version(self):
- repo = git.Repo(self.folder)
- v = repo.git.describe()
- return v[len(get_non_digit_prefix(v)):] # remove the non-digit prefix from v (so that it starts with a number)
+ def version(self):
+ v = git.describe()
+ 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()[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 "+currentVersion+" available:"
- print tags
+ def checkVersions(self):
+ self.update(mode = MODE_FETCH)
+ currentVersion = git.describe()
+ # get sorted list of tag names with the same non-digit prefix and higher version number
+ tags = git.tag().split('\n')
+ 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):
- self.folder = os.path.abspath(folder)
- self.url = url
+ def __init__(self, folder, url):
+ self.folder = os.path.abspath(folder)
+ self.url = url
- 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 None
-
- def checkVersions(self):
- print "Version checking not supporting with SVN"
+ 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 None
+
+ def checkVersions(self):
+ print("Version checking not supporting with SVN")
projects / mass-build.git / blobdiff