buildtools/wafsamba/samba_dist.py

   1 # customised version of 'waf dist' for Samba tools
   2 # uses git ls-files to get file lists
   3
   4 import Utils, os, sys, tarfile, stat, Scripting, Logs, Options
   5 from samba_utils import *
   6
   7 dist_dirs = None
   8 dist_blacklist = ""
   9
  10 def add_symlink(tar, fname, abspath, basedir):
  11     '''handle symlinks to directories that may move during packaging'''
  12     if not os.path.islink(abspath):
  13         return False
  14     tinfo = tar.gettarinfo(name=abspath, arcname=fname)
  15     tgt = os.readlink(abspath)
  16
  17     if dist_dirs:
  18         # we need to find the target relative to the main directory
  19         # this is here to cope with symlinks into the buildtools
  20         # directory from within the standalone libraries in Samba. For example,
  21         # a symlink to ../../builtools/scripts/autogen-waf.sh needs
  22         # to be rewritten as a symlink to buildtools/scripts/autogen-waf.sh
  23         # when the tarball for talloc is built
  24
  25         # the filename without the appname-version
  26         rel_fname = '/'.join(fname.split('/')[1:])
  27
  28         # join this with the symlink target
  29         tgt_full = os.path.join(os.path.dirname(rel_fname), tgt)
  30
  31         # join with the base directory
  32         tgt_base = os.path.normpath(os.path.join(basedir, tgt_full))
  33
  34         # see if this is inside one of our dist_dirs
  35         for dir in dist_dirs.split():
  36             if dir.find(':') != -1:
  37                 destdir=dir.split(':')[1]
  38                 dir=dir.split(':')[0]
  39             else:
  40                 destdir = '.'
  41             if dir == basedir:
  42                 # internal links don't get rewritten
  43                 continue
  44             if dir == tgt_base[0:len(dir)] and tgt_base[len(dir)] == '/':
  45                 new_tgt = destdir + tgt_base[len(dir):]
  46                 tinfo.linkname = new_tgt
  47                 break
  48
  49     tinfo.uid   = 0
  50     tinfo.gid   = 0
  51     tinfo.uname = 'root'
  52     tinfo.gname = 'root'
  53     tar.addfile(tinfo)
  54     return True
  55
  56 def add_tarfile(tar, fname, abspath, basedir):
  57     '''add a file to the tarball'''
  58     if add_symlink(tar, fname, abspath, basedir):
  59         return
  60     try:
  61         tinfo = tar.gettarinfo(name=abspath, arcname=fname)
  62     except OSError:
  63         Logs.error('Unable to find file %s - missing from git checkout?' % abspath)
  64         sys.exit(1)
  65     tinfo.uid   = 0
  66     tinfo.gid   = 0
  67     tinfo.uname = 'root'
  68     tinfo.gname = 'root'
  69     fh = open(abspath)
  70     tar.addfile(tinfo, fileobj=fh)
  71     fh.close()
  72
  73
  74 def vcs_dir_contents(path):
  75     """Return the versioned files under a path.
  76
  77     :return: List of paths relative to path
  78     """
  79     repo = path
  80     while repo != "/":
  81         if os.path.isdir(os.path.join(repo, ".git")):
  82             ls_files_cmd = [ 'git', 'ls-files', '--full-name',
  83                              os_path_relpath(path, repo) ]
  84             cwd = None
  85             env = dict(os.environ)
  86             env["GIT_DIR"] = os.path.join(repo, ".git")
  87             break
  88         elif os.path.isdir(os.path.join(repo, ".bzr")):
  89             ls_files_cmd = [ 'bzr', 'ls', '--recursive', '--versioned',
  90                              os_path_relpath(path, repo)]
  91             cwd = repo
  92             env = None
  93             break
  94         repo = os.path.dirname(repo)
  95     if repo == "/":
  96         raise Exception("unsupported or no vcs for %s" % path)
  97     return Utils.cmd_output(ls_files_cmd, cwd=cwd, env=env).split()
  98
  99
 100 def dist(appname='',version=''):
 101     if not isinstance(appname, str) or not appname:
 102         # this copes with a mismatch in the calling arguments for dist()
 103         appname = Utils.g_module.APPNAME
 104         version = Utils.g_module.VERSION
 105     if not version:
 106         version = Utils.g_module.VERSION
 107
 108     srcdir = os.path.normpath(os.path.join(os.path.dirname(Utils.g_module.root_path), Utils.g_module.srcdir))
 109
 110     if not dist_dirs:
 111         Logs.error('You must use samba_dist.DIST_DIRS() to set which directories to package')
 112         sys.exit(1)
 113
 114     dist_base = '%s-%s' % (appname, version)
 115
 116     if Options.options.SIGN_RELEASE:
 117         dist_name = '%s.tar' % (dist_base)
 118         tar = tarfile.open(dist_name, 'w')
 119     else:
 120         dist_name = '%s.tar.gz' % (dist_base)
 121         tar = tarfile.open(dist_name, 'w:gz')
 122
 123     blacklist = dist_blacklist.split()
 124
 125     for dir in dist_dirs.split():
 126         if dir.find(':') != -1:
 127             destdir=dir.split(':')[1]
 128             dir=dir.split(':')[0]
 129         else:
 130             destdir = '.'
 131         absdir = os.path.join(srcdir, dir)
 132         try:
 133             files = vcs_dir_contents(absdir)
 134         except Exception, e:
 135             Logs.error('unable to get contents of %s: %s' % (absdir, e))
 136             sys.exit(1)
 137         for f in files:
 138             abspath = os.path.join(srcdir, f)
 139
 140             if dir != '.':
 141                 f = f[len(dir)+1:]
 142
 143             # Remove files in the blacklist
 144             if f in dist_blacklist:
 145                 continue
 146             blacklisted = False
 147             # Remove directories in the blacklist
 148             for d in blacklist:
 149                 if f.startswith(d):
 150                     blacklisted = True
 151             if blacklisted:
 152                 continue
 153             if os.path.isdir(abspath):
 154                 continue
 155             if destdir != '.':
 156                 f = destdir + '/' + f
 157             fname = dist_base + '/' + f
 158             add_tarfile(tar, fname, abspath, dir)
 159
 160     tar.close()
 161
 162     if Options.options.SIGN_RELEASE:
 163         import gzip
 164         try:
 165             os.unlink(dist_name + '.asc')
 166         except OSError:
 167             pass
 168
 169         cmd = "gpg --detach-sign --armor " + dist_name
 170         os.system(cmd)
 171         uncompressed_tar = open(dist_name, 'rb')
 172         compressed_tar = gzip.open(dist_name + '.gz', 'wb')
 173         while 1:
 174             buffer = uncompressed_tar.read(1048576)
 175             if buffer:
 176                 compressed_tar.write(buffer)
 177             else:
 178                 break
 179         uncompressed_tar.close()
 180         compressed_tar.close()
 181         os.unlink(dist_name)
 182         Logs.info('Created %s.gz %s.asc' % (dist_name, dist_name))
 183         dist_name = dist_name + '.gz'
 184     else:
 185         Logs.info('Created %s' % dist_name)
 186
 187     return dist_name
 188
 189
 190 @conf
 191 def DIST_DIRS(dirs):
 192     '''set the directories to package, relative to top srcdir'''
 193     global dist_dirs
 194     if not dist_dirs:
 195         dist_dirs = dirs
 196
 197 @conf
 198 def DIST_BLACKLIST(blacklist):
 199     '''set the files to exclude from packaging, relative to top srcdir'''
 200     global dist_blacklist
 201     if not dist_blacklist:
 202         dist_blacklist = blacklist
 203
 204 Scripting.dist = dist