$ git clone -n https://src.fedoraproject.org/rpms/pingus.git /var/lib/mock/f39-build-1869155-42619/root/chroot_tmpdir/scmroot/pingus
Cloning into '/var/lib/mock/f39-build-1869155-42619/root/chroot_tmpdir/scmroot/pingus'...
$ git fetch origin 5496b78a6e73f59d261fd7468dde2e4ab2bcc7dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pingus
 * [new ref]         5496b78a6e73f59d261fd7468dde2e4ab2bcc7dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5496b78 Fix appdata