$ git clone -n https://src.fedoraproject.org/rpms/evolution-mapi.git /var/lib/mock/f41-build-side-1-2750158-31029/root/chroot_tmpdir/scmroot/evolution-mapi
Cloning into '/var/lib/mock/f41-build-side-1-2750158-31029/root/chroot_tmpdir/scmroot/evolution-mapi'...
$ git fetch origin c57980cfce00188123782cd7e4eab60028f2c0a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution-mapi
 * [new ref]         c57980cfce00188123782cd7e4eab60028f2c0a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c57980c Update to 3.54.0