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"""
Methods to get the version tag of a git directory.
Really nothing's fancy here
"""
import os
import sys
import subprocess
import re
def get_git_version_from_cwd():
"""
Fetch the last known version of the HAProxy current repository
"""
return get_git_version_in_path(os.getcwd())
def get_git_version_in_path(path):
"""
Fetch the last known version of the git repository given as an argument
"""
if not path or not os.path.isdir(os.path.join(path,".git")):
print("This does not appear to be a Git repository.", file=sys.stderr)
return
try:
p = subprocess.Popen(["git", "describe", "--tags", "--match", "v*"],
cwd=path,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
except EnvironmentError:
return False
version = p.communicate()[0]
if p.returncode != 0:
return False
if len(version) < 2:
return False
version = version.decode().lstrip('v').rstrip() # remove the 'v' tag and the EOL char
version = re.sub(r'-g.*', '', version)
return version
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