$ git clone -n https://src.fedoraproject.org/rpms/rust-sysinfo.git /var/lib/mock/f39-build-1506772-35206/root/chroot_tmpdir/scmroot/rust-sysinfo
Cloning into '/var/lib/mock/f39-build-1506772-35206/root/chroot_tmpdir/scmroot/rust-sysinfo'...
$ git fetch origin 48cddeeb2f01369820e46c1b1d03a57dee8845b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sysinfo
 * [new ref]         48cddeeb2f01369820e46c1b1d03a57dee8845b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48cddee Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild