$ git clone -n https://src.fedoraproject.org/rpms/rust-rust_decimal_macros.git /var/lib/mock/f42-build-side-1-3537684-46560/root/chroot_tmpdir/scmroot/rust-rust_decimal_macros
Cloning into '/var/lib/mock/f42-build-side-1-3537684-46560/root/chroot_tmpdir/scmroot/rust-rust_decimal_macros'...
$ git fetch origin 43b4d80c898f32af2ad85bbb61b2b6037800ee00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rust_decimal_macros
 * [new ref]         43b4d80c898f32af2ad85bbb61b2b6037800ee00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43b4d80 Update to version 1.37.1; Fixes RHBZ#2353047