$ git clone -n https://src.fedoraproject.org/rpms/rust-option-operations.git /var/lib/mock/f40-build-2653389-66900/root/chroot_tmpdir/scmroot/rust-option-operations
Cloning into '/var/lib/mock/f40-build-2653389-66900/root/chroot_tmpdir/scmroot/rust-option-operations'...
$ git fetch origin 26daf6412479496849fbb87af76595129518a056:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-option-operations
 * [new ref]         26daf6412479496849fbb87af76595129518a056 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26daf64 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild