$ git clone -n https://src.fedoraproject.org/rpms/rubygem-mixlib-log.git /var/lib/mock/f40-build-732482-13186/root/chroot_tmpdir/scmroot/rubygem-mixlib-log
Cloning into '/var/lib/mock/f40-build-732482-13186/root/chroot_tmpdir/scmroot/rubygem-mixlib-log'...
$ git fetch origin 1e2cbd8d11fa55eb5292b45665e04c9296b5d0ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-mixlib-log
 * [new ref]         1e2cbd8d11fa55eb5292b45665e04c9296b5d0ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e2cbd8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild