$ git clone -n https://src.fedoraproject.org/rpms/simple-mail.git /var/lib/mock/f41-build-side-1-2669912-28987/root/chroot_tmpdir/scmroot/simple-mail
Cloning into '/var/lib/mock/f41-build-side-1-2669912-28987/root/chroot_tmpdir/scmroot/simple-mail'...
$ git fetch origin b270b6099fdab3054d87374ea15bb818a22a76f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/simple-mail
 * [new ref]         b270b6099fdab3054d87374ea15bb818a22a76f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b270b60 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild