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Reduce the number of calls to git to get source information #275

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merged 1 commit into from
Nov 17, 2024
Merged

Reduce the number of calls to git to get source information #275

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32 changes: 24 additions & 8 deletions rebench/environment.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,17 @@ def git_repo_not_initialized():
return _exec(["git", "rev-parse"]) is None


_commit_info_format = {
"branchOrTag": "%D",
"commitMsg": "%B",
"authorName": "%aN",
"committerName": "%cN",
"authorEmail": "%aE",
"committerEmail": "%cE"
}

_commit_info_format_str = "%x00".join(_commit_info_format.values())

def determine_source_details(configurator):
global _source # pylint: disable=global-statement
if _source:
Expand All @@ -56,7 +67,8 @@ def determine_source_details(configurator):
if configurator and configurator.options and configurator.options.git_repo:
git_cmd += ["-C", configurator.options.git_repo]

is_git_repo = _exec(git_cmd + ["rev-parse"]) is not None
commit_id = _exec(git_cmd + ["rev-parse", "HEAD"])
is_git_repo = commit_id is not None
if not is_git_repo:
result["repoURL"] = None
result["branchOrTag"] = None
Expand All @@ -80,13 +92,17 @@ def determine_source_details(configurator):
netloc="{}@{}".format(parsed.username, parsed.hostname))
result['repoURL'] = _encode_str(parsed.geturl())

result['branchOrTag'] = extract_base(_exec(git_cmd + ['show', '-s', '--format=%D', 'HEAD']))
result['commitId'] = _exec(git_cmd + ['rev-parse', 'HEAD'])
result['commitMsg'] = _exec(git_cmd + ['show', '-s', '--format=%B', 'HEAD'])
result['authorName'] = _exec(git_cmd + ['show', '-s', '--format=%aN', 'HEAD'])
result['committerName'] = _exec(git_cmd + ['show', '-s', '--format=%cN', 'HEAD'])
result['authorEmail'] = _exec(git_cmd + ['show', '-s', '--format=%aE', 'HEAD'])
result['committerEmail'] = _exec(git_cmd + ['show', '-s', '--format=%cE', 'HEAD'])
commit_info = _exec(git_cmd + ['show', '-s', '--format=' + _commit_info_format_str, 'HEAD'])
info = commit_info.split("\x00")
assert len(info) == len(_commit_info_format), "Unexpected number of fields in commit info"

result['branchOrTag'] = extract_base(info[0])
result['commitId'] = commit_id
result['commitMsg'] = info[1]
result['authorName'] = info[2]
result['committerName'] = info[3]
result['authorEmail'] = info[4]
result['committerEmail'] = info[5]

_source = result
return result
Expand Down