$ git clone -n https://src.fedoraproject.org/rpms/rust-derive_builder_macro.git /var/lib/mock/f40-build-2659750-66918/root/chroot_tmpdir/scmroot/rust-derive_builder_macro
Cloning into '/var/lib/mock/f40-build-2659750-66918/root/chroot_tmpdir/scmroot/rust-derive_builder_macro'...
$ git fetch origin 33c0309a33ac955676d9890e963e2c33090d0dd9:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/rust-derive_builder_macro.git/': Transferred a partial file
$ git reset --hard 33c0309a33ac955676d9890e963e2c33090d0dd9
HEAD is now at 33c0309 Update to version 0.20.0; Fixes RHBZ#2259682