$ git clone -n https://src.fedoraproject.org/rpms/avogadro2-libs.git /var/lib/mock/f40-build-800930-143672/root/chroot_tmpdir/scmroot/avogadro2-libs
Cloning into '/var/lib/mock/f40-build-800930-143672/root/chroot_tmpdir/scmroot/avogadro2-libs'...
$ git fetch origin f5aea833e84791be13debc2a7bf1d62a6a4739bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/avogadro2-libs
 * [new ref]         f5aea833e84791be13debc2a7bf1d62a6a4739bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5aea83 Remove custom Find<Package>.cmake usage