7 from wizard import deploy
8 from wizard import shell
9 from wizard import util
10 from wizard.command import _base
12 def main(argv, global_options):
13 options, args = parse_args(argv)
16 logging.debug("uid is %d" % os.getuid())
19 check_if_already_migrated(options)
21 version = calculate_version()
22 repo = version.application.getRepository()
23 tag = version.getScriptsTag()
25 os.unsetenv("GIT_DIR") # prevent some perverse errors
27 sh = shell.Shell(options.dry_run)
28 check_if_tag_exists(sh, repo, tag)
29 make_repository(sh, options, repo, tag)
31 os.rename(".scripts-version", ".scripts/old-version") # archive
34 usage = """usage: %prog migrate [ARGS] DIR
36 Migrates a directory to our Git-based autoinstall format.
37 Performs basic sanity checking and intelligently determines
38 what repository and tag to use.
40 This command is meant to be run as the owner of the install
41 it is upgrading (see the scripts AFS kernel patch). Do
42 NOT run this command as root."""
43 parser = _base.WizardOptionParser(usage)
44 parser.add_option("--dry-run", dest="dry_run", action="store_true",
45 default=False, help="Prints would would be run without changing anything")
46 parser.add_option("--force", "-f", dest="force", action="store_true",
47 default=False, help="If .git or .scripts directory already exists, delete them and migrate")
48 options, args = parser.parse_all(argv)
50 parser.error("too many arguments")
52 parser.error("must specify directory")
53 return (options, args)
55 def check_if_already_migrated(options):
56 if os.path.isdir(".git") or os.path.isdir(".scripts"):
58 raise AlreadyMigratedError(dir)
60 if os.path.isdir(".git"):
61 logging.warning("Force removing .git directory")
62 if not options.dry_run: shutil.rmtree(".git")
63 if os.path.isdir(".scripts"):
64 logging.warning("Force removing .scripts directory")
65 if not options.dry_run: shutil.rmtree(".scripts")
67 def calculate_version():
69 d = deploy.Deployment.fromDir(".")
70 return d.getAppVersion()
72 if e.errno == errno.ENOENT:
73 raise NotAutoinstallError(dir)
76 def check_if_tag_exists(sh, repo, tag):
77 # check if the version we're trying to convert exists. We assume
78 # a convention here, namely, v1.2.3-scripts is what we want. If
79 # you broke the convention... shame on you.
81 sh.call("git", "--git-dir", repo, "rev-parse", tag)
82 except shell.CallError:
83 raise NoTagError(version)
85 def make_repository(sh, options, repo, tag):
86 sh.call("git", "init") # create repository
87 # configure our alternates (to save space and make this quick)
88 data = os.path.join(repo, "objects")
89 file = ".git/objects/info/alternates"
90 if not options.dry_run:
91 alternates = open(file, "w")
92 alternates.write(data)
94 htaccess = open(".git/.htaccess", "w")
95 htaccess.write("Deny from all\n")
98 logging.info("# create %s containing \"%s\"" % (file, data))
99 logging.info('# create .htaccess containing "Deny from all"')
100 # configure our remote (this is merely for convenience; wizard scripts
101 # will not rely on this)
102 sh.call("git", "remote", "add", "origin", repo)
103 # configure what would normally be set up on a 'git clone' for consistency
104 sh.call("git", "config", "branch.master.remote", "origin")
105 sh.call("git", "config", "branch.master.merge", "refs/heads/master")
106 # perform the initial fetch
107 sh.call("git", "fetch", "origin")
108 # soft reset to our tag
109 sh.call("git", "reset", tag, "--")
110 # checkout the .scripts directory
111 sh.call("git", "checkout", ".scripts")
112 # commit user local changes
113 message = "Autoinstall migration of %s locker.\n\n%s" % (util.get_dir_owner(), util.get_git_footer())
116 message += "\nMigrated-by: " + util.get_operator_git()
117 except util.NoOperatorInfo:
119 sh.call("git", "commit", "--allow-empty", "-a", "-m", message)
120 # for verbose purposes, give us a git status and git diff
123 sh.call("git", "status")
124 except shell.CallError:
127 sh.call("git", "diff")
128 except shell.CallError:
131 class Error(_base.Error):
132 """Base exception for all exceptions raised by migrate"""
135 class AlreadyMigratedError(Error):
136 def __init__(self, dir):
141 ERROR: Directory already contains a .git and/or
142 .scripts directory. Did you already migrate it?
145 class NotAutoinstallError(Error):
146 def __init__(self, dir):
151 ERROR: Could not find .scripts-version file. Are you sure
152 this is an autoinstalled application?
155 class NoRepositoryError(Error):
156 def __init__(self, app):
161 ERROR: Could not find repository for this application. Have
162 you converted the repository over? Is the name %s
163 the same as the name of the .git folder?
166 class NoTagError(Error):
167 def __init__(self, version):
168 self.version = version
172 ERROR: Could not find tag v%s-scripts in repository
173 for %s. Double check and make sure
174 the repository was prepared with all necessary tags!
175 """ % (self.version.version, self.version.application.name)