$ git clone -n https://src.fedoraproject.org/rpms/rust-libspa.git /var/lib/mock/f45-build-42955-797/root/chroot_tmpdir/scmroot/rust-libspa
Cloning into '/var/lib/mock/f45-build-42955-797/root/chroot_tmpdir/scmroot/rust-libspa'...
$ git fetch origin 38d29522a8ed306647de9a96dcf10066bdeffddc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libspa
 * [new ref]         38d29522a8ed306647de9a96dcf10066bdeffddc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38d2952 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild