$ git clone -n https://src.fedoraproject.org/rpms/rust-structopt.git /var/lib/mock/f40-build-1072840-19731/root/chroot_tmpdir/scmroot/rust-structopt
Cloning into '/var/lib/mock/f40-build-1072840-19731/root/chroot_tmpdir/scmroot/rust-structopt'...
$ git fetch origin 29d1ab89889abb43d011b5bfb1b1091540e0e60c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-structopt
 * [new ref]         29d1ab89889abb43d011b5bfb1b1091540e0e60c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29d1ab8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild