delta-find: expand a function definition and call before extendin it This make the next changeset more compact.

debug: add an option to display statistic about a unbundling operation This will helps a lot to understand how the bundling decision have actually impacted pull/unbundle on the other side.

debug: add an option to display statistic about a bundling operation This will helps a lot to understand how the bundling decision might impact pull/unbundle on the other side.

delta-find: add debug information about reuse of cached data This will help us to understand the behavior of find-delta during a pull.

tests: stop creating temporary files in TESTDIR

cffi: fix a bytes vs str issue on macOS when listing directories This code hasn't been touched in recent years, and the other implementation return bytes for the filename, so I assume this is a holdover from the py2 days. I was unable to test it on mac though, because the `_osutil` import failed.

packaging: refresh dependency hashes (issue6750) Also, add some documentation to the `.in` files.

matcher: do not prepend '.*' to pattern using ^ after flags Since the previous commit (fixing wider issue), the code generated strange regex. This is now fixed and tested.

matcher: fix the issue with regex inline-flag in rust oo Same problem same solution.

matcher: fix issues regex flag contained in pattern (issue6759) Python 3.11 is now enforcing that flag must be at the beginning of the regex This creates a serious regression for people using Python 3.11 with an hgignore using flag in a "relre" pattern. We now detect any flags in such pattern and "prepend" our ".*" pattern after them. In addition, we now insert the flag in the regexp to only affect the pattern we are rewriting. Otherwise, the regex built from the combined pattern would these flags in the middle of it anyway. As a side effect of this last change, we fix a bug… before this change regex flag in a pattern would affect all combined patterns. That was bad and is not longer the case. The Rust code needs to be updated to fix that very bug, but we will do it in another changeset.