$ git clone -n https://src.fedoraproject.org/rpms/pkcs11-dump.git /var/lib/mock/f45-build-28567-631/root/chroot_tmpdir/scmroot/pkcs11-dump
Cloning into '/var/lib/mock/f45-build-28567-631/root/chroot_tmpdir/scmroot/pkcs11-dump'...
$ git fetch origin 7a4c8e51127f28abe85789b0dec3fda895c5fccf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pkcs11-dump
 * [new ref]         7a4c8e51127f28abe85789b0dec3fda895c5fccf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a4c8e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild