$ git clone -n https://src.fedoraproject.org/rpms/rust-color-backtrace.git /var/lib/mock/f40-build-2081306-49752/root/chroot_tmpdir/scmroot/rust-color-backtrace
Cloning into '/var/lib/mock/f40-build-2081306-49752/root/chroot_tmpdir/scmroot/rust-color-backtrace'...
$ git fetch origin 768a7072fec470f00cba26e524274d5c73442eab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-color-backtrace
 * [new ref]         768a7072fec470f00cba26e524274d5c73442eab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 768a707 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild