Support for air-gapped envs for backup sources

extensions/commands/x/cmd_backups.py

@@ -0,0 +1,41 @@
+import os
+import shutil
+import json
+
+from conan.api.output import ConanOutput
+from conan.cli.command import conan_command
+from conans.errors import ConanException
+from conans.util.dates import timestamp_now
+from conans.util.sha import sha256
+
+
+@conan_command(group="Backup sources handling")
+def backups(conan_api, parser, *args):
+    """
+    This command will upload the backup sources of a package to the server.
+    """
+    parser.add_argument("reference", help="Reference of the package to backup")
+    parser.add_argument("path", help="Path to source files for this reference")
+    parser.add_argument("--url", help="Original URL of the file", default=None)
+    args = parser.parse_args(*args)
+
+    if not os.path.isfile(args.path):
+        raise ConanException(f"File not found: {args.path}")
+
+    with open(args.path, "rb") as f:
+        checksum = sha256(f.read())
+
+    ConanOutput().info(f"Calculated checksum: {checksum}")
+    new_path = os.path.join(os.path.dirname(args.path), checksum)
+    json_path = new_path + ".json"
+    shutil.move(args.path, new_path)
+    try:
+        with open(json_path, "w") as f:
+            json.dump({"references": {args.reference: [args.url] if args.url else []},
+                       "timestamp": timestamp_now()}, f)
+
+        conan_api.upload.upload_backup_sources([new_path, json_path])
+    finally:
+        shutil.move(new_path, args.path)
+        if os.path.isfile(json_path):
+            os.remove(json_path)