fix: avoid msys path conversion in release packaging

- run Python archive helpers from local working directories

- pass relative paths so Windows Git Bash does not leak POSIX temp paths into native Python

Author: Kingson4Wu

scripts/release-package.sh

@@ -68,7 +68,9 @@ find "$PACKAGE_ROOT" -type f \( -name "*.pyc" -o -name "*.pyo" \) -delete
 cp -f "$ROOT_DIR/README.md" "$PACKAGE_ROOT/INSTALL.md"
 
 tar -czf "$DIST_DIR/${PACKAGE_NAME}.tar.gz" -C "$TMP_DIR" "$PACKAGE_NAME"
-"$PYTHON_BIN" - "$DIST_DIR/${PACKAGE_NAME}.tar.gz" "$DIST_DIR/${PACKAGE_NAME}.tar.gz.sha256sum" <<'PY'
+(
+  cd "$DIST_DIR"
+  "$PYTHON_BIN" - "${PACKAGE_NAME}.tar.gz" "${PACKAGE_NAME}.tar.gz.sha256sum" <<'PY'
 from pathlib import Path
 import hashlib
 import sys
@@ -77,26 +79,39 @@ archive = Path(sys.argv[1])
 checksum = Path(sys.argv[2])
 checksum.write_text(hashlib.sha256(archive.read_bytes()).hexdigest() + "\n", encoding="utf-8")
 PY
+)
 
-"$PYTHON_BIN" - "$TMP_DIR" "$PACKAGE_NAME" "$DIST_DIR/${PACKAGE_NAME}.zip" "$DIST_DIR/${PACKAGE_NAME}.zip.sha256sum" <<'PY'
+(
+  cd "$TMP_DIR"
+  "$PYTHON_BIN" - "$PACKAGE_NAME" "${PACKAGE_NAME}.zip" <<'PY'
 from pathlib import Path
-import hashlib
 import sys
 import zipfile
 
-tmp_dir = Path(sys.argv[1])
-package_name = sys.argv[2]
-archive = Path(sys.argv[3])
-checksum = Path(sys.argv[4])
-package_root = tmp_dir / package_name
+package_name = sys.argv[1]
+archive = Path(sys.argv[2])
+package_root = Path(package_name)
 
 with zipfile.ZipFile(archive, "w", compression=zipfile.ZIP_DEFLATED) as zf:
     for path in sorted(package_root.rglob("*")):
         if path.is_file():
-            zf.write(path, path.relative_to(tmp_dir).as_posix())
+            zf.write(path, path.as_posix())
+PY
+  cp -f "${PACKAGE_NAME}.zip" "$DIST_DIR/${PACKAGE_NAME}.zip"
+)
 
+(
+  cd "$DIST_DIR"
+  "$PYTHON_BIN" - "${PACKAGE_NAME}.zip" "${PACKAGE_NAME}.zip.sha256sum" <<'PY'
+from pathlib import Path
+import hashlib
+import sys
+
+archive = Path(sys.argv[1])
+checksum = Path(sys.argv[2])
 checksum.write_text(hashlib.sha256(archive.read_bytes()).hexdigest() + "\n", encoding="utf-8")
 PY
+)
 
 rm -rf "$TMP_DIR"