$ git clone -n https://src.fedoraproject.org/rpms/fastfetch.git /var/lib/mock/f41-build-side-1-2786441-32610/root/chroot_tmpdir/scmroot/fastfetch
Cloning into '/var/lib/mock/f41-build-side-1-2786441-32610/root/chroot_tmpdir/scmroot/fastfetch'...
$ git fetch origin 9e8907d56e650b1eb039d54d1735d5866f59f5c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fastfetch
 * [new ref]         9e8907d56e650b1eb039d54d1735d5866f59f5c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e8907d update to 2.23.0