$ git clone -n https://src.fedoraproject.org/rpms/rust-picky-asn1-x509_0.12.git /var/lib/mock/f45-build-35470-695/root/chroot_tmpdir/scmroot/rust-picky-asn1-x509_0.12
Cloning into '/var/lib/mock/f45-build-35470-695/root/chroot_tmpdir/scmroot/rust-picky-asn1-x509_0.12'...
$ git fetch origin 8d121a253b1ce464b2639d82ca4f12927f9efb47:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-picky-asn1-x509_0.12
 * [new ref]         8d121a253b1ce464b2639d82ca4f12927f9efb47 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d121a2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild