def _get_version_from_git(pre_version=None):
"""Calculate a version string from git.
If the revision is tagged, return that. Otherwise calculate a semantic
version description of the tree.
The number of revisions since the last tag is included in the dev counter
in the version for untagged versions.
:param pre_version: If supplied use this as the target version rather than
inferring one from the last tag + commit messages.
"""
git_dir = git._run_git_functions()
if git_dir:
try:
tagged = git._run_git_command(["describe", "--exact-match"], git_dir, throw_on_error=True).replace("-", ".")
target_version = version.SemanticVersion.from_pip_string(tagged)
except Exception:
if pre_version:
# not released yet - use pre_version as the target
target_version = version.SemanticVersion.from_pip_string(pre_version)
else:
# not released yet - just calculate from git history
target_version = None
result = _get_version_from_git_target(git_dir, target_version)
return result.release_string()
# If we don't know the version, return an empty string so at least
# the downstream users of the value always have the same type of
# object to work with.
try:
return unicode()
except NameError:
return ""
def _get_increment_kwargs(git_dir, tag):
"""Calculate the sort of semver increment needed from git history.
Every commit from HEAD to tag is consider for Sem-Ver metadata lines.
See the pbr docs for their syntax.
:return: a dict of kwargs for passing into SemanticVersion.increment.
"""
result = {}
if tag:
version_spec = tag + "..HEAD"
else:
version_spec = "HEAD"
changelog = git._run_git_command(["log", version_spec], git_dir)
header_len = len(" sem-ver:")
commands = [line[header_len:].strip() for line in changelog.split("\n") if line.lower().startswith(" sem-ver:")]
symbols = set()
for command in commands:
symbols.update([symbol.strip() for symbol in command.split(",")])
def _handle_symbol(symbol, symbols, impact):
if symbol in symbols:
result[impact] = True
symbols.discard(symbol)
_handle_symbol("bugfix", symbols, "patch")
_handle_symbol("feature", symbols, "minor")
_handle_symbol("deprecation", symbols, "minor")
_handle_symbol("api-break", symbols, "major")
for symbol in symbols:
log.info("[pbr] Unknown Sem-Ver symbol %r" % symbol)
# We don't want patch in the kwargs since it is not a keyword argument -
# its the default minimum increment.
result.pop("patch", None)
return result
def _get_increment_kwargs(git_dir, tag):
"""Calculate the sort of semver increment needed from git history.
Every commit from HEAD to tag is consider for Sem-Ver metadata lines.
See the pbr docs for their syntax.
:return: a dict of kwargs for passing into SemanticVersion.increment.
"""
result = {}
if tag:
version_spec = tag + "..HEAD"
else:
version_spec = "HEAD"
changelog = git._run_git_command(['log', version_spec], git_dir)
header_len = len(' sem-ver:')
commands = [
line[header_len:].strip() for line in changelog.split('\n')
if line.lower().startswith(' sem-ver:')
]
symbols = set()
for command in commands:
symbols.update([symbol.strip() for symbol in command.split(',')])
def _handle_symbol(symbol, symbols, impact):
if symbol in symbols:
result[impact] = True
symbols.discard(symbol)
_handle_symbol('bugfix', symbols, 'patch')
_handle_symbol('feature', symbols, 'minor')
_handle_symbol('deprecation', symbols, 'minor')
_handle_symbol('api-break', symbols, 'major')
for symbol in symbols:
log.info('[pbr] Unknown Sem-Ver symbol %r' % symbol)
# We don't want patch in the kwargs since it is not a keyword argument -
# its the default minimum increment.
result.pop('patch', None)
return result
def _get_version_from_git(pre_version=None):
"""Calculate a version string from git.
If the revision is tagged, return that. Otherwise calculate a semantic
version description of the tree.
The number of revisions since the last tag is included in the dev counter
in the version for untagged versions.
:param pre_version: If supplied use this as the target version rather than
inferring one from the last tag + commit messages.
"""
git_dir = git._run_git_functions()
if git_dir:
try:
tagged = git._run_git_command(['describe', '--exact-match'],
git_dir,
throw_on_error=True).replace(
'-', '.')
target_version = version.SemanticVersion.from_pip_string(tagged)
except Exception:
if pre_version:
# not released yet - use pre_version as the target
target_version = version.SemanticVersion.from_pip_string(
pre_version)
else:
# not released yet - just calculate from git history
target_version = None
result = _get_version_from_git_target(git_dir, target_version)
return result.release_string()
# If we don't know the version, return an empty string so at least
# the downstream users of the value always have the same type of
# object to work with.
try:
return unicode()
except NameError:
return ''
