$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_printenv.git /var/lib/mock/f40-build-781172-131438/root/chroot_tmpdir/scmroot/rust-uu_printenv
Cloning into '/var/lib/mock/f40-build-781172-131438/root/chroot_tmpdir/scmroot/rust-uu_printenv'...
$ git fetch origin 22a994564436bb7caddaa53a3751b873d4c2315a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_printenv
 * [new ref]         22a994564436bb7caddaa53a3751b873d4c2315a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22a9945 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild