$ git clone -n https://src.fedoraproject.org/rpms/rust-ruzstd0.7.git /var/lib/mock/f45-build-44684-816/root/chroot_tmpdir/scmroot/rust-ruzstd0.7
Cloning into '/var/lib/mock/f45-build-44684-816/root/chroot_tmpdir/scmroot/rust-ruzstd0.7'...
$ git fetch origin 1b92ccd2fc37940c6c674adecbd6cabbfb78a68b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ruzstd0.7
 * [new ref]         1b92ccd2fc37940c6c674adecbd6cabbfb78a68b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b92ccd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild