$ git clone -n https://src.fedoraproject.org/rpms/jgoodies-common.git /var/lib/mock/f38-build-side-42-init-devel-765726-27718/root/chroot_tmpdir/scmroot/jgoodies-common
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-765726-27718/root/chroot_tmpdir/scmroot/jgoodies-common'...
$ git fetch origin 0ec021e5f9639155b3b29a35389f95c49bbf2c95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jgoodies-common
 * [new ref]         0ec021e5f9639155b3b29a35389f95c49bbf2c95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ec021e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild