$ git clone -n https://src.fedoraproject.org/rpms/rust-effective-limits.git /var/lib/mock/f42-build-3270368-41264/root/chroot_tmpdir/scmroot/rust-effective-limits
Cloning into '/var/lib/mock/f42-build-3270368-41264/root/chroot_tmpdir/scmroot/rust-effective-limits'...
$ git fetch origin 3fba0dcd552d1d2616fca9f3f2802b21d512bd3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-effective-limits
 * [new ref]         3fba0dcd552d1d2616fca9f3f2802b21d512bd3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fba0dc Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild