mirror of https://github.com/borgbackup/borg.git
198 lines
7.8 KiB
Python
198 lines
7.8 KiB
Python
|
|
IN_LONG_VERSION_PY = True
|
|
# This file helps to compute a version number in source trees obtained from
|
|
# git-archive tarball (such as those provided by githubs download-from-tag
|
|
# feature). Distribution tarballs (build by setup.py sdist) and build
|
|
# directories (produced by setup.py build) will contain a much shorter file
|
|
# that just contains the computed version number.
|
|
|
|
# This file is released into the public domain. Generated by
|
|
# versioneer-0.7+ (https://github.com/warner/python-versioneer)
|
|
|
|
# these strings will be replaced by git during git-archive
|
|
git_refnames = "$Format:%d$"
|
|
git_full = "$Format:%H$"
|
|
|
|
|
|
import subprocess
|
|
import sys
|
|
|
|
def run_command(args, cwd=None, verbose=False):
|
|
try:
|
|
# remember shell=False, so use git.cmd on windows, not just git
|
|
p = subprocess.Popen(args, stdout=subprocess.PIPE, cwd=cwd)
|
|
except EnvironmentError:
|
|
e = sys.exc_info()[1]
|
|
if verbose:
|
|
print("unable to run %s" % args[0])
|
|
print(e)
|
|
return None
|
|
stdout = p.communicate()[0].strip()
|
|
if sys.version >= '3':
|
|
stdout = stdout.decode()
|
|
if p.returncode != 0:
|
|
if verbose:
|
|
print("unable to run %s (error)" % args[0])
|
|
return None
|
|
return stdout
|
|
|
|
|
|
import sys
|
|
import re
|
|
import os.path
|
|
|
|
def get_expanded_variables(versionfile_source):
|
|
# the code embedded in _version.py can just fetch the value of these
|
|
# variables. When used from setup.py, we don't want to import
|
|
# _version.py, so we do it with a regexp instead. This function is not
|
|
# used from _version.py.
|
|
variables = {}
|
|
try:
|
|
for line in open(versionfile_source,"r").readlines():
|
|
if line.strip().startswith("git_refnames ="):
|
|
mo = re.search(r'=\s*"(.*)"', line)
|
|
if mo:
|
|
variables["refnames"] = mo.group(1)
|
|
if line.strip().startswith("git_full ="):
|
|
mo = re.search(r'=\s*"(.*)"', line)
|
|
if mo:
|
|
variables["full"] = mo.group(1)
|
|
except EnvironmentError:
|
|
pass
|
|
return variables
|
|
|
|
def versions_from_expanded_variables(variables, tag_prefix, verbose=False):
|
|
refnames = variables["refnames"].strip()
|
|
if refnames.startswith("$Format"):
|
|
if verbose:
|
|
print("variables are unexpanded, not using")
|
|
return {} # unexpanded, so not in an unpacked git-archive tarball
|
|
refs = set([r.strip() for r in refnames.strip("()").split(",")])
|
|
for ref in list(refs):
|
|
if not re.search(r'\d', ref):
|
|
if verbose:
|
|
print("discarding '%s', no digits" % ref)
|
|
refs.discard(ref)
|
|
# Assume all version tags have a digit. git's %d expansion
|
|
# behaves like git log --decorate=short and strips out the
|
|
# refs/heads/ and refs/tags/ prefixes that would let us
|
|
# distinguish between branches and tags. By ignoring refnames
|
|
# without digits, we filter out many common branch names like
|
|
# "release" and "stabilization", as well as "HEAD" and "master".
|
|
if verbose:
|
|
print("remaining refs: %s" % ",".join(sorted(refs)))
|
|
for ref in sorted(refs):
|
|
# sorting will prefer e.g. "2.0" over "2.0rc1"
|
|
if ref.startswith(tag_prefix):
|
|
r = ref[len(tag_prefix):]
|
|
if verbose:
|
|
print("picking %s" % r)
|
|
return { "version": r,
|
|
"full": variables["full"].strip() }
|
|
# no suitable tags, so we use the full revision id
|
|
if verbose:
|
|
print("no suitable tags, using full revision id")
|
|
return { "version": variables["full"].strip(),
|
|
"full": variables["full"].strip() }
|
|
|
|
def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
|
|
# this runs 'git' from the root of the source tree. That either means
|
|
# someone ran a setup.py command (and this code is in versioneer.py, so
|
|
# IN_LONG_VERSION_PY=False, thus the containing directory is the root of
|
|
# the source tree), or someone ran a project-specific entry point (and
|
|
# this code is in _version.py, so IN_LONG_VERSION_PY=True, thus the
|
|
# containing directory is somewhere deeper in the source tree). This only
|
|
# gets called if the git-archive 'subst' variables were *not* expanded,
|
|
# and _version.py hasn't already been rewritten with a short version
|
|
# string, meaning we're inside a checked out source tree.
|
|
|
|
try:
|
|
here = os.path.abspath(__file__)
|
|
except NameError:
|
|
# some py2exe/bbfreeze/non-CPython implementations don't do __file__
|
|
return {} # not always correct
|
|
|
|
# versionfile_source is the relative path from the top of the source tree
|
|
# (where the .git directory might live) to this file. Invert this to find
|
|
# the root from __file__.
|
|
root = here
|
|
if IN_LONG_VERSION_PY:
|
|
for i in range(len(versionfile_source.split("/"))):
|
|
root = os.path.dirname(root)
|
|
else:
|
|
root = os.path.dirname(here)
|
|
if not os.path.exists(os.path.join(root, ".git")):
|
|
if verbose:
|
|
print("no .git in %s" % root)
|
|
return {}
|
|
|
|
GIT = "git"
|
|
if sys.platform == "win32":
|
|
GIT = "git.cmd"
|
|
stdout = run_command([GIT, "describe", "--tags", "--dirty", "--always"],
|
|
cwd=root)
|
|
if stdout is None:
|
|
return {}
|
|
if not stdout.startswith(tag_prefix):
|
|
if verbose:
|
|
print("tag '%s' doesn't start with prefix '%s'" % (stdout, tag_prefix))
|
|
return {}
|
|
tag = stdout[len(tag_prefix):]
|
|
stdout = run_command([GIT, "rev-parse", "HEAD"], cwd=root)
|
|
if stdout is None:
|
|
return {}
|
|
full = stdout.strip()
|
|
if tag.endswith("-dirty"):
|
|
full += "-dirty"
|
|
return {"version": tag, "full": full}
|
|
|
|
|
|
def versions_from_parentdir(parentdir_prefix, versionfile_source, verbose=False):
|
|
if IN_LONG_VERSION_PY:
|
|
# We're running from _version.py. If it's from a source tree
|
|
# (execute-in-place), we can work upwards to find the root of the
|
|
# tree, and then check the parent directory for a version string. If
|
|
# it's in an installed application, there's no hope.
|
|
try:
|
|
here = os.path.abspath(__file__)
|
|
except NameError:
|
|
# py2exe/bbfreeze/non-CPython don't have __file__
|
|
return {} # without __file__, we have no hope
|
|
# versionfile_source is the relative path from the top of the source
|
|
# tree to _version.py. Invert this to find the root from __file__.
|
|
root = here
|
|
for i in range(len(versionfile_source.split("/"))):
|
|
root = os.path.dirname(root)
|
|
else:
|
|
# we're running from versioneer.py, which means we're running from
|
|
# the setup.py in a source tree. sys.argv[0] is setup.py in the root.
|
|
here = os.path.abspath(sys.argv[0])
|
|
root = os.path.dirname(here)
|
|
|
|
# Source tarballs conventionally unpack into a directory that includes
|
|
# both the project name and a version string.
|
|
dirname = os.path.basename(root)
|
|
if not dirname.startswith(parentdir_prefix):
|
|
if verbose:
|
|
print("guessing rootdir is '%s', but '%s' doesn't start with prefix '%s'" %
|
|
(root, dirname, parentdir_prefix))
|
|
return None
|
|
return {"version": dirname[len(parentdir_prefix):], "full": ""}
|
|
|
|
tag_prefix = ""
|
|
parentdir_prefix = "Attic-"
|
|
versionfile_source = "attic/_version.py"
|
|
|
|
def get_versions(default={"version": "unknown", "full": ""}, verbose=False):
|
|
variables = { "refnames": git_refnames, "full": git_full }
|
|
ver = versions_from_expanded_variables(variables, tag_prefix, verbose)
|
|
if not ver:
|
|
ver = versions_from_vcs(tag_prefix, versionfile_source, verbose)
|
|
if not ver:
|
|
ver = versions_from_parentdir(parentdir_prefix, versionfile_source,
|
|
verbose)
|
|
if not ver:
|
|
ver = default
|
|
return ver
|
|
|