$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-ctbllib.git /var/lib/mock/f40-build-2438648-60905/root/chroot_tmpdir/scmroot/gap-pkg-ctbllib
Cloning into '/var/lib/mock/f40-build-2438648-60905/root/chroot_tmpdir/scmroot/gap-pkg-ctbllib'...
$ git fetch origin b0b485896fb0e80390ca62241a6c06f8ac378ea9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-ctbllib
 * [new ref]         b0b485896fb0e80390ca62241a6c06f8ac378ea9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0b4858 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild