$ git clone -n https://src.fedoraproject.org/rpms/rust-alsa.git /var/lib/mock/f45-build-40019-767/root/chroot_tmpdir/scmroot/rust-alsa
Cloning into '/var/lib/mock/f45-build-40019-767/root/chroot_tmpdir/scmroot/rust-alsa'...
$ git fetch origin cd9f40d860ad9cc329063175785c39f0515fce6d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-alsa
 * [new ref]         cd9f40d860ad9cc329063175785c39f0515fce6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd9f40d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild