$ git clone -n https://src.fedoraproject.org/rpms/rust-srpm-macros.git /var/lib/mock/f37-build-side-31-rust-devel-104601-5609/root/chroot_tmpdir/scmroot/rust-srpm-macros
Cloning into '/var/lib/mock/f37-build-side-31-rust-devel-104601-5609/root/chroot_tmpdir/scmroot/rust-srpm-macros'...
$ git reset --hard e8496d72e7afa8dad5e77ee5c472854a1995688c
HEAD is now at e8496d7 Update to version 23; Fixes RHBZ#2138137