$ git clone -n https://src.fedoraproject.org/rpms/linpsk.git /var/lib/mock/f45-build-17402-498/root/chroot_tmpdir/scmroot/linpsk
Cloning into '/var/lib/mock/f45-build-17402-498/root/chroot_tmpdir/scmroot/linpsk'...
$ git fetch origin 49e6ff68ce218dcaae975d329e0cf5ec15713177:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/linpsk
 * [new ref]         49e6ff68ce218dcaae975d329e0cf5ec15713177 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49e6ff6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild