$ git clone -n https://src.fedoraproject.org/rpms/rust-srpm-macros.git /var/lib/mock/f37-build-7749-1493/root/chroot_tmpdir/scmroot/rust-srpm-macros
Cloning into '/var/lib/mock/f37-build-7749-1493/root/chroot_tmpdir/scmroot/rust-srpm-macros'...
$ git reset --hard 8740b9b8c3a3c4ae3f601b5f6e602517abf834ed
HEAD is now at 8740b9b Version 21