$ git clone -n https://src.fedoraproject.org/rpms/antlr3.git /var/lib/mock/f40-build-2145420-50880/root/chroot_tmpdir/scmroot/antlr3
Cloning into '/var/lib/mock/f40-build-2145420-50880/root/chroot_tmpdir/scmroot/antlr3'...
$ git fetch origin b066801d83f885422df929fd837fb89750ae9526:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/antlr3
 * [new ref]         b066801d83f885422df929fd837fb89750ae9526 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b066801 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild