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"""A set of tools to ease versioning and use of git flow"""

from collections import namedtuple

# Branch types:

# builds_snapshot: Whether the branch can produce snapshot builds

# builds_release: Whether the branch can produce release builds

# versioned: Whether the name of the branch defines a specific version

# allowed_version_re: A regular expression describing allowed values for

#                     base_version in this branch

branch_type = namedtuple("branch_type", ["builds_snapshot", "builds_release",

                                         "versioned", "allowed_version_re",

                                         "debian_branch"])

VERSION_RE = "[0-9]+\.[0-9]+(\.[0-9]+)*"

BRANCH_TYPES = {

    "feature": branch_type(True, False, False, "^%snext$" % VERSION_RE,

                          "debian-develop"),

    "develop": branch_type(True, False, False, "^%snext$" % VERSION_RE,

                           "debian-develop"),

    "release": branch_type(True, True, True,

                           "^(?P<bverstr>%s)rc[1-9][0-9]*$" % VERSION_RE,

                           "debian-develop"),

    "master": branch_type(True, True, False,

                          "^%s$" % VERSION_RE, "debian"),

    "hotfix": branch_type(True, True, True,

                          "^(?P<bverstr>^%s\.[1-9][0-9]*)$" % VERSION_RE,

                          "debian")}

BASE_VERSION_FILE = "version"