commit - 891dbef691a3e5a6102a1383ca2576ecd3e5e589
commit + c902a02aaa278d1ecbb79ad2ccb2dcaf6f2523da
blob - 01d8160cd8b522113836973aa5fae67ad62cf054
blob + 84d9d77b0bdebaff70138446a5d01cb0a975c332
--- requirements.txt
+++ requirements.txt
@@ -1,4 +1,4 @@
-bitstring
+bitarray
 dulwich >= 0.21.5
 retrying
 click
blob - d8975f789905962b0e3ce5253dfc702880eaeb28
blob + 2e222d3645cf7f03df9b55de032db11f60632f79
--- swh/loader/git/loader.py
+++ swh/loader/git/loader.py
@@ -29,7 +29,7 @@ from typing import (
     Type,
 )
 
-from bitstring import BitArray
+from bitarray import bitarray
 import dulwich.client
 from dulwich.object_store import ObjectStoreGraphWalker
 from dulwich.objects import Blob, Commit, ShaFile, Tag, Tree, hex_to_sha
@@ -782,7 +782,7 @@ class GitLoader(BaseGitLoader):
             return bisect_find_sha(start, end, sha, self.pack.index._unpack_name)
 
         def mark_as_traversed(bitstr, id_hex):
-            bitstr.set(True, get_pos_in_index(id_hex))
+            bitstr[get_pos_in_index(id_hex)] = 1
 
         def have_traversed(bitstr, id_hex):
             """
@@ -793,12 +793,12 @@ class GitLoader(BaseGitLoader):
             n = get_pos_in_index(id_hex)
             if n is None:
                 return None
-            return bitstr[n]
+            return bitstr[n] == 1
 
         # Find all tags, commits and corresponding tree roots in the pack file
         tags = {}
         commits = {}
-        traversed_objects = BitArray(length=self.num_objects)
+        traversed_objects = bitarray(self.num_objects)
         commit_edges = []
         new_trees = []
         new_blobs = []
@@ -919,7 +919,7 @@ class GitLoader(BaseGitLoader):
             logger.debug(
                 f"Processing commit {i + 1}: {hashutil.hash_to_bytehex(commit_hash)}"
             )
-            traversed_objects = BitArray(length=self.num_objects)
+            traversed_objects = bitarray(self.num_objects)
             # Show some debug progress output for very large datasets
             p = int(i * 100 / num_commits_total)
             if p != last_p: