Add helper to determine dependency versions

pwndbg/gitver.py

@@ -0,0 +1,21 @@
+import os
+import subprocess
+
+file_path = os.path.dirname(__file__)
+pwndbg_pwndbg = os.path.abspath(file_path)
+pwndbg = os.path.dirname(pwndbg_pwndbg)
+capstone = os.path.join(pwndbg, 'capstone')
+unicorn = os.path.join(pwndbg, 'unicorn')
+
+def get_hash(directory):
+    argv = ['git', '-C', directory, 'describe', '--always']
+    return subprocess.check_output(argv).strip()
+
+hashes = {
+    'capstone': get_hash(capstone),
+    'unicorn':  get_hash(unicorn),
+    'pwndbg':   get_hash(pwndbg)
+}
+
+if __name__ == '__main__':
+    print(hashes)