symbols: add a symbol installation script

.gitignore

@@ -6,3 +6,6 @@
 /release
 /sanitizer
 /tidy
+
+/dumps
+/symbols

symbols.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+
+"""
+Installs a provided symbol file into the symbols repository at the correct
+subdirectory for `minidump_stackwalk` to automatically find.
+"""
+
+if __name__ == '__main__':
+    import argparse
+    import os
+    import shutil
+    import sys
+
+    def main():
+        default_dst = os.path.join(
+            os.path.dirname(
+                os.path.realpath(__file__)
+            ),
+            "symbols"
+        )
+
+        parser = argparse.ArgumentParser()
+        parser.add_argument('--dst', dest='dst', type=str, required=False, default=default_dst)
+        parser.add_argument('src', type=str)
+
+        args = parser.parse_args()
+
+        with open(args.src) as f:
+            header = f.readline()
+
+        field, system, arch, id, name = header.strip().split(' ')
+        print(f"Installing {name}: {id}", file=sys.stderr)
+
+        dst_dir = os.path.join(args.dst, name, id)
+        os.makedirs(dst_dir, exist_ok=True)
+
+        dst_path = os.path.join(dst_dir, f"{name}.sym")
+        shutil.copyfile(args.src, dst_path)
+
+    main()