$ git clone -n https://src.fedoraproject.org/rpms/rust-colorchoice.git /var/lib/mock/f40-build-2640325-66399/root/chroot_tmpdir/scmroot/rust-colorchoice
Cloning into '/var/lib/mock/f40-build-2640325-66399/root/chroot_tmpdir/scmroot/rust-colorchoice'...
$ git fetch origin ef0f114e3a574bdc5ffe3fdd40f1c95096d104d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-colorchoice
 * [new ref]         ef0f114e3a574bdc5ffe3fdd40f1c95096d104d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef0f114 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild