$ git clone -n https://src.fedoraproject.org/rpms/rust-color-eyre.git /var/lib/mock/f42-build-side-1-3537749-46560/root/chroot_tmpdir/scmroot/rust-color-eyre
Cloning into '/var/lib/mock/f42-build-side-1-3537749-46560/root/chroot_tmpdir/scmroot/rust-color-eyre'...
$ git fetch origin 3d2c3aabc1c85aaa8fcc0dd914b7c992c4e52d3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-color-eyre
 * [new ref]         3d2c3aabc1c85aaa8fcc0dd914b7c992c4e52d3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d2c3aa Update to version 0.6.5; Fixes RHBZ#2363850