$ git clone -n https://src.fedoraproject.org/rpms/xpad.git /var/lib/mock/f42-build-3360760-45036/root/chroot_tmpdir/scmroot/xpad
Cloning into '/var/lib/mock/f42-build-3360760-45036/root/chroot_tmpdir/scmroot/xpad'...
$ git fetch origin a3034a97cbbdff7d96698d4f9096ab79dc130948:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xpad
 * [new ref]         a3034a97cbbdff7d96698d4f9096ab79dc130948 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3034a9 Fix ftbfs. Fixes rhbz#2341579