Support getting revisions before a given revision

bugbug/repository.py

@@ -342,15 +342,15 @@ def _hg_log(revs):
     return hg_log(thread_local.hg, revs)
 
 
-def get_revs(hg, rev_start=0):
-    print(f"Getting revs from {rev_start} to tip...")
+def get_revs(hg, rev_start=0, rev_end="tip"):
+    print(f"Getting revs from {rev_start} to {rev_end}...")
 
     args = hglib.util.cmdbuilder(
         b"log",
         template="{node}\n",
         no_merges=True,
         branch="central",
-        rev=f"{rev_start}:tip",
+        rev=f"{rev_start}:{rev_end}",
     )
     x = hg.rawcommand(args)
     return x.splitlines()

tests/test_repository.py

@@ -107,6 +107,17 @@ def test_get_revs(fake_hg_repo):
     assert revs[0].decode("ascii") == revision2
     assert revs[1].decode("ascii") == revision3
 
+    add_file(hg, local, "file4", "1\n2\n3\n4\n5\n6\n7\n")
+    commit(hg)
+
+    revs = repository.get_revs(hg, revision2, revision3)
+
+    assert (
+        len(revs) == 2
+    ), "There should be two revision after the first and up to the third"
+    assert revs[0].decode("ascii") == revision2
+    assert revs[1].decode("ascii") == revision3
+
 
 def test_hg_log(fake_hg_repo):
     hg, local, remote = fake_hg_repo