$ git clone -n https://src.fedoraproject.org/rpms/syncthing.git /var/lib/mock/f37-build-668191-74712/root/chroot_tmpdir/scmroot/syncthing
Cloning into '/var/lib/mock/f37-build-668191-74712/root/chroot_tmpdir/scmroot/syncthing'...
$ git reset --hard ed2609febc3fbe3529aef48e7d63a503609f7a14
HEAD is now at ed2609f Update to version 1.21.0; Fixes RHBZ#2124728