Initial commit

app/services/github.py

@@ -0,0 +1,107 @@
+from __future__ import annotations
+
+import configparser
+import logging
+from io import StringIO
+from pathlib import Path
+
+from app.models import Mirror
+from app.services.host import host_path, run_on_host
+
+logger = logging.getLogger(__name__)
+
+MARKER = "mirror-manager"
+INSTEAD_SECTION = f'url "https://github.com/" managed by {MARKER}'
+
+
+def _gitconfig_paths() -> list[Path]:
+    paths = []
+    for rel in ("root/.gitconfig", "home/.gitconfig"):
+        p = host_path(rel)
+        if p not in paths:
+            paths.append(p)
+    local = Path.home() / ".gitconfig"
+    if local not in paths:
+        paths.append(local)
+    system = host_path("etc/gitconfig")
+    if system not in paths:
+        paths.append(system)
+    return paths
+
+
+def read_current_github() -> dict:
+    configs = {}
+    for path in _gitconfig_paths():
+        if path.exists():
+            configs[str(path)] = path.read_text(encoding="utf-8")
+    return configs
+
+
+def _parse_gitconfig(content: str) -> configparser.ConfigParser:
+    parser = configparser.ConfigParser()
+    parser.read_string(content if content.strip() else "[core]\n")
+    return parser
+
+
+def _serialize_gitconfig(parser: configparser.ConfigParser) -> str:
+    buf = StringIO()
+    parser.write(buf)
+    return buf.getvalue()
+
+
+def _remove_mirror_sections(parser: configparser.ConfigParser) -> None:
+    to_remove = []
+    for section in parser.sections():
+        if not section.startswith('url "'):
+            continue
+        instead_of = parser.get(section, "insteadOf", fallback="")
+        if instead_of in ("https://github.com/", "git@github.com:"):
+            to_remove.append(section)
+    for section in to_remove:
+        parser.remove_section(section)
+
+
+def apply_github(mirror: Mirror) -> dict:
+    meta = mirror.get_meta()
+    instead_prefix = meta.get("instead_prefix") or mirror.url
+    if not instead_prefix:
+        return {"success": False, "error": "prefix میرور GitHub تعریف نشده"}
+
+    instead_prefix = instead_prefix.rstrip("/") + "/"
+    section_name = f'url "{instead_prefix}"'
+
+    applied_paths = []
+    for path in _gitconfig_paths():
+        content = path.read_text(encoding="utf-8") if path.exists() else ""
+        parser = _parse_gitconfig(content)
+        _remove_mirror_sections(parser)
+
+        if not parser.has_section(section_name):
+            parser.add_section(section_name)
+        parser.set(section_name, "insteadOf", "https://github.com/")
+
+        path.parent.mkdir(parents=True, exist_ok=True)
+        path.write_text(_serialize_gitconfig(parser), encoding="utf-8")
+        applied_paths.append(str(path))
+
+    test = run_on_host(
+        ["git", "ls-remote", "https://github.com/octocat/Hello-World.git", "HEAD"],
+        timeout=60,
+    )
+
+    return {
+        "success": test.returncode == 0,
+        "message": f"GitHub mirror اعمال شد: {mirror.name}",
+        "paths": applied_paths,
+        "test_output": (test.stdout or test.stderr)[:300] if test.returncode != 0 else "git ls-remote موفق",
+        "error": test.stderr[:300] if test.returncode != 0 else None,
+    }
+
+
+def remove_github_config() -> None:
+    for path in _gitconfig_paths():
+        if not path.exists():
+            continue
+        parser = _parse_gitconfig(path.read_text(encoding="utf-8"))
+        _remove_mirror_sections(parser)
+        path.write_text(_serialize_gitconfig(parser), encoding="utf-8")