$ git clone -n https://src.fedoraproject.org/rpms/ls-qpack.git /var/lib/mock/f45-build-17522-501/root/chroot_tmpdir/scmroot/ls-qpack
Cloning into '/var/lib/mock/f45-build-17522-501/root/chroot_tmpdir/scmroot/ls-qpack'...
$ git fetch origin 124e2c3a7536f6c99339e27e3bcd78faa1098e1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ls-qpack
 * [new ref]         124e2c3a7536f6c99339e27e3bcd78faa1098e1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 124e2c3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild