$ git clone -n https://src.fedoraproject.org/rpms/python-stestr.git /var/lib/mock/f39-build-1627031-39345/root/chroot_tmpdir/scmroot/python-stestr
Cloning into '/var/lib/mock/f39-build-1627031-39345/root/chroot_tmpdir/scmroot/python-stestr'...
$ git fetch origin ba9bbf7b5bd2783891da4348ba44094776b7c9c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-stestr
 * [new ref]         ba9bbf7b5bd2783891da4348ba44094776b7c9c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba9bbf7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild