$ git clone -n https://src.fedoraproject.org/rpms/rust-unic-langid.git /var/lib/mock/f40-build-2658396-66917/root/chroot_tmpdir/scmroot/rust-unic-langid
Cloning into '/var/lib/mock/f40-build-2658396-66917/root/chroot_tmpdir/scmroot/rust-unic-langid'...
$ git fetch origin d0ac2e0219982b37da344debc1857e87b86d5fe2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unic-langid
 * [new ref]         d0ac2e0219982b37da344debc1857e87b86d5fe2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0ac2e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild