$ git clone -n https://src.fedoraproject.org/rpms/upm.git /var/lib/mock/f38-build-side-42-init-devel-845269-28421/root/chroot_tmpdir/scmroot/upm
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-845269-28421/root/chroot_tmpdir/scmroot/upm'...
$ git fetch origin 24ad3be29e5d9e408d8e5e06aa3ca9b436065795:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/upm
 * [new ref]         24ad3be29e5d9e408d8e5e06aa3ca9b436065795 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24ad3be Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild