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Git + Python

Automate Git from Python — diffs, hooks, release tags, and repo housekeeping.

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Find the Commit That Introduced a String in Git History Using Python

Use git log -S with Python subprocess to find the earliest commit that introduced a specific string across your repository history.

git subprocess repository
Python 
import subprocess
import sys


def find_introducing_commit(repo_path: str, search_string: str, file_glob: str = "*") -> str:
    """Find the first commit that introduced a given string in a git repository."""
    result = subprocess.run(
        ["git", "-C", repo_path, "log", "--all", "--oneline", "-S", search_string…
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