$ git clone -n https://src.fedoraproject.org/rpms/wireguard-tools.git /var/lib/mock/f45-build-38411-724/root/chroot_tmpdir/scmroot/wireguard-tools
Cloning into '/var/lib/mock/f45-build-38411-724/root/chroot_tmpdir/scmroot/wireguard-tools'...
$ git fetch origin 3e12b63e9c95f31abb417e7e89298f30d512291f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wireguard-tools
 * [new ref]         3e12b63e9c95f31abb417e7e89298f30d512291f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  25% (1/4)
Updating files:  50% (2/4)
Updating files:  75% (3/4)
Updating files: 100% (4/4)
Updating files: 100% (4/4), done.
HEAD is now at 3e12b63 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild