$ git clone -n https://src.fedoraproject.org/rpms/procinfo.git /var/lib/mock/f41-build-833869-14943/root/chroot_tmpdir/scmroot/procinfo
Cloning into '/var/lib/mock/f41-build-833869-14943/root/chroot_tmpdir/scmroot/procinfo'...
$ git fetch origin 461f9d90cf09f8fc3447535f09a60677ca1d4aff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/procinfo
 * [new ref]         461f9d90cf09f8fc3447535f09a60677ca1d4aff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 461f9d9 Eliminate use of obsolete %patchN syntax (#2283636)