$ git clone -n https://src.fedoraproject.org/rpms/rust-mockall_double.git /var/lib/mock/f45-build-43269-801/root/chroot_tmpdir/scmroot/rust-mockall_double
Cloning into '/var/lib/mock/f45-build-43269-801/root/chroot_tmpdir/scmroot/rust-mockall_double'...
$ git fetch origin 8080589a5ee0f9f1f6aab3d9223ef6410c0f7ce0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-mockall_double
 * [new ref]         8080589a5ee0f9f1f6aab3d9223ef6410c0f7ce0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8080589 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild