$ git clone -n https://src.fedoraproject.org/rpms/rust-log0.3.git /var/lib/mock/f40-build-2653035-66898/root/chroot_tmpdir/scmroot/rust-log0.3
Cloning into '/var/lib/mock/f40-build-2653035-66898/root/chroot_tmpdir/scmroot/rust-log0.3'...
$ git fetch origin b50e72510300ee54bbd816e3f0f321121b5b3a41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-log0.3
 * [new ref]         b50e72510300ee54bbd816e3f0f321121b5b3a41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b50e725 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild