$ git clone -n https://src.fedoraproject.org/rpms/R-shiny.git /var/lib/mock/f45-build-47027-864/root/chroot_tmpdir/scmroot/R-shiny
Cloning into '/var/lib/mock/f45-build-47027-864/root/chroot_tmpdir/scmroot/R-shiny'...
$ git fetch origin e6972b8e4919c92aef1c47bd39926eee044dda17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-shiny
 * [new ref]         e6972b8e4919c92aef1c47bd39926eee044dda17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6972b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild