$ git clone -n https://src.fedoraproject.org/rpms/rust-rust_decimal.git /var/lib/mock/f42-build-3264087-41244/root/chroot_tmpdir/scmroot/rust-rust_decimal
Cloning into '/var/lib/mock/f42-build-3264087-41244/root/chroot_tmpdir/scmroot/rust-rust_decimal'...
$ git fetch origin b46dd3b45b518abc0352ab371717951359fb7198:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rust_decimal
 * [new ref]         b46dd3b45b518abc0352ab371717951359fb7198 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b46dd3b Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild