$ git clone -n https://src.fedoraproject.org/rpms/rust-picky-asn1_0.8.git /var/lib/mock/f45-build-43850-807/root/chroot_tmpdir/scmroot/rust-picky-asn1_0.8
Cloning into '/var/lib/mock/f45-build-43850-807/root/chroot_tmpdir/scmroot/rust-picky-asn1_0.8'...
$ git fetch origin 6811ab27fd2e07371730ea4cdd89157d391360a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-picky-asn1_0.8
 * [new ref]         6811ab27fd2e07371730ea4cdd89157d391360a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6811ab2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild