$ git clone -n https://src.fedoraproject.org/rpms/rust-trust-dns-recursor.git /var/lib/mock/f40-build-2138251-50839/root/chroot_tmpdir/scmroot/rust-trust-dns-recursor
Cloning into '/var/lib/mock/f40-build-2138251-50839/root/chroot_tmpdir/scmroot/rust-trust-dns-recursor'...
$ git fetch origin 70b8f296393d25292908ff5109e8528d18d6caec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-trust-dns-recursor
 * [new ref]         70b8f296393d25292908ff5109e8528d18d6caec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70b8f29 Update to version 0.23.2; Fixes RHBZ#2245716