$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-ace.git /var/lib/mock/f40-build-2278734-55280/root/chroot_tmpdir/scmroot/gap-pkg-ace
Cloning into '/var/lib/mock/f40-build-2278734-55280/root/chroot_tmpdir/scmroot/gap-pkg-ace'...
$ git fetch origin e2782c8f2c3c66c564f7f0d562a146f67b653363:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-ace
 * [new ref]         e2782c8f2c3c66c564f7f0d562a146f67b653363 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2782c8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild