$ git clone -n https://src.fedoraproject.org/rpms/rust-abol-codegen.git /var/lib/mock/f45-build-39783-755/root/chroot_tmpdir/scmroot/rust-abol-codegen
Cloning into '/var/lib/mock/f45-build-39783-755/root/chroot_tmpdir/scmroot/rust-abol-codegen'...
$ git fetch origin 5d1539cd17f4fc6552ee90f764b851a84ca6d7d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-abol-codegen
 * [new ref]         5d1539cd17f4fc6552ee90f764b851a84ca6d7d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d1539c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild