$ git clone -n https://src.fedoraproject.org/rpms/ghc-doctemplates.git /var/lib/mock/f41-build-side-1-2636655-26251/root/chroot_tmpdir/scmroot/ghc-doctemplates
Cloning into '/var/lib/mock/f41-build-side-1-2636655-26251/root/chroot_tmpdir/scmroot/ghc-doctemplates'...
$ git fetch origin 765d13460e397831ae461f274ce965c22f7b11f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-doctemplates
 * [new ref]         765d13460e397831ae461f274ce965c22f7b11f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 765d134 emojis-0.1.4.1