$ git clone -n https://src.fedoraproject.org/rpms/python-colcon-mixin.git /var/lib/mock/f40-build-2313560-57702/root/chroot_tmpdir/scmroot/python-colcon-mixin
Cloning into '/var/lib/mock/f40-build-2313560-57702/root/chroot_tmpdir/scmroot/python-colcon-mixin'...
$ git fetch origin 847eecbc56d6078d5994db22b1e393df951c474f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-colcon-mixin
 * [new ref]         847eecbc56d6078d5994db22b1e393df951c474f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 847eecb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild