$ git clone -n https://src.fedoraproject.org/rpms/git-pull-request.git /var/lib/mock/f39-build-1466118-33646/root/chroot_tmpdir/scmroot/git-pull-request
Cloning into '/var/lib/mock/f39-build-1466118-33646/root/chroot_tmpdir/scmroot/git-pull-request'...
$ git fetch origin 550f9b6ed7d748be851f5a3b65451737f9c9528a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/git-pull-request
 * [new ref]         550f9b6ed7d748be851f5a3b65451737f9c9528a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 550f9b6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild