$ git clone -n https://src.fedoraproject.org/rpms/ustr.git /var/lib/mock/f39-build-1459470-33136/root/chroot_tmpdir/scmroot/ustr
Cloning into '/var/lib/mock/f39-build-1459470-33136/root/chroot_tmpdir/scmroot/ustr'...
$ git fetch origin 05249eab74d622cb1b22a9435d3f0627d8968052:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ustr
 * [new ref]         05249eab74d622cb1b22a9435d3f0627d8968052 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05249ea Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild