$ git clone -n https://src.fedoraproject.org/rpms/nmstate.git /var/lib/mock/f41-build-837346-159035/root/chroot_tmpdir/scmroot/nmstate
Cloning into '/var/lib/mock/f41-build-837346-159035/root/chroot_tmpdir/scmroot/nmstate'...
$ git fetch origin ffa5cc509cfa2b6bfcc8e63f0df5e43f836af21d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nmstate
 * [new ref]         ffa5cc509cfa2b6bfcc8e63f0df5e43f836af21d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffa5cc5 Update to 2.2.34 upstream release