$ git clone -n https://src.fedoraproject.org/rpms/libkgapi.git /var/lib/mock/f45-build-16428-486/root/chroot_tmpdir/scmroot/libkgapi
Cloning into '/var/lib/mock/f45-build-16428-486/root/chroot_tmpdir/scmroot/libkgapi'...
$ git fetch origin 5a9093ed4b2e9aa306aa0da85d01c89ac32a0ad8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkgapi
 * [new ref]         5a9093ed4b2e9aa306aa0da85d01c89ac32a0ad8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a9093e 26.08.1