$ git clone -n https://src.fedoraproject.org/rpms/seamonkey.git /var/lib/mock/f41-build-852612-166424/root/chroot_tmpdir/scmroot/seamonkey
Cloning into '/var/lib/mock/f41-build-852612-166424/root/chroot_tmpdir/scmroot/seamonkey'...
$ git fetch origin eeb5ef4a5ee85d6e6be50c5e97b81c0a2a1b71ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/seamonkey
 * [new ref]         eeb5ef4a5ee85d6e6be50c5e97b81c0a2a1b71ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eeb5ef4 Fix for binutils >= 2.43