bazaar: Use lightweight checkouts rather than a full branch clone

Fixes pypa#5444
jelmer · Jul 15, 2022 · a88ec53 · a88ec53
1 parent e89e391
commit a88ec53
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diff --git a/news/5444.feature.rst b/news/5444.feature.rst
@@ -0,0 +1 @@
+Use the much faster 'bzr co --lightweight' to obtain a copy of a Bazaar tree.
diff --git a/src/pip/_internal/vcs/bazaar.py b/src/pip/_internal/vcs/bazaar.py
@@ -49,14 +49,16 @@ def fetch_new(
             flag = ""
         else:
             flag = f"-{'v'*verbosity}"
-        cmd_args = make_command("branch", flag, rev_options.to_args(), url, dest)
+        cmd_args = make_command(
+            "checkout", "--lightweight", flag, rev_options.to_args(), url, dest
+        )
         self.run_command(cmd_args)
 
     def switch(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
         self.run_command(make_command("switch", url), cwd=dest)
 
     def update(self, dest: str, url: HiddenText, rev_options: RevOptions) -> None:
-        cmd_args = make_command("pull", "-q", rev_options.to_args())
+        cmd_args = make_command("update", "-q", rev_options.to_args())
         self.run_command(cmd_args, cwd=dest)
 
     @classmethod