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#!/usr/bin/env python3
import os
import json
import subprocess
import sys
if "avoid-pep8-E402-import-not-top-of-file":
_tdir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
sys.path.insert(0, _tdir)
from cloudinit import version as ci_version
def tiny_p(cmd, capture=True):
# python 2.6 doesn't have check_output
stdout = subprocess.PIPE
stderr = subprocess.PIPE
sp = subprocess.Popen(cmd, stdout=stdout,
stderr=stderr, stdin=None,
universal_newlines=True)
(out, err) = sp.communicate()
ret = sp.returncode
if ret not in [0]:
raise RuntimeError("Failed running %s [rc=%s] (%s, %s)" %
(cmd, ret, out, err))
return out
def which(program):
# Return path of program for execution if found in path
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
_fpath, _ = os.path.split(program)
if _fpath:
if is_exe(program):
return program
else:
for path in os.environ.get("PATH", "").split(os.pathsep):
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
def is_gitdir(path):
# Return boolean indicating if path is a git tree.
git_meta = os.path.join(path, '.git')
if os.path.isdir(git_meta):
return True
if os.path.exists(git_meta):
# in a git worktree, .git is a file with 'gitdir: x'
with open(git_meta, "rb") as fp:
if b'gitdir:' in fp.read():
return True
return False
use_long = '--long' in sys.argv or os.environ.get('CI_RV_LONG')
use_tags = '--tags' in sys.argv or os.environ.get('CI_RV_TAGS')
output_json = '--json' in sys.argv
src_version = ci_version.version_string()
version_long = None
# If we're performing CI for a new release branch (which our tooling creates
# with an "upstream/" prefix), then we don't want to enforce strict version
# matching because we know it will fail.
is_release_branch_ci = (
os.environ.get("TRAVIS_PULL_REQUEST_BRANCH", "").startswith("upstream/")
)
if is_gitdir(_tdir) and which("git") and not is_release_branch_ci:
flags = []
if use_tags:
flags = ['--tags']
cmd = ['git', 'describe', '--abbrev=8', '--match=[0-9]*'] + flags
try:
version = tiny_p(cmd).strip()
except RuntimeError:
version = None
if version is None or not version.startswith(src_version):
sys.stderr.write("git describe version (%s) differs from "
"cloudinit.version (%s)\n" % (version, src_version))
sys.stderr.write(
"Please get the latest upstream tags.\n"
"As an example, this can be done with the following:\n"
"$ git remote add upstream https://git.launchpad.net/cloud-init\n"
"$ git fetch upstream --tags\n"
)
sys.exit(1)
version_long = tiny_p(cmd + ["--long"]).strip()
else:
version = src_version
version_long = None
# version is X.Y.Z[+xxx.gHASH]
# version_long is None or X.Y.Z-xxx-gHASH
release = version.partition("-")[0]
extra = None
commit = None
distance = None
if version_long:
info = version_long.partition("-")[2]
extra = "-" + info
distance, commit = info.split("-")
# remove the 'g' from gHASH
commit = commit[1:]
data = {
'release': release,
'version': version,
'version_long': version_long,
'extra': extra,
'commit': commit,
'distance': distance,
'is_release_branch_ci': is_release_branch_ci,
}
if output_json:
sys.stdout.write(json.dumps(data, indent=1) + "\n")
else:
sys.stdout.write(release + "\n")
sys.exit(0)
# vi: ts=4 expandtab
|
