$ git clone -n https://src.fedoraproject.org/rpms/rust-isal-rs.git /var/lib/mock/f42-build-side-1-3540407-46574/root/chroot_tmpdir/scmroot/rust-isal-rs
Cloning into '/var/lib/mock/f42-build-side-1-3540407-46574/root/chroot_tmpdir/scmroot/rust-isal-rs'...
$ git fetch origin 6dd296bbc265f52efea030788dc59fca0c7fe984:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-isal-rs
 * [new ref]         6dd296bbc265f52efea030788dc59fca0c7fe984 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6dd296b No longer required for rust-libcramjam-0.7 (experimental features disabled), and rust-libcramjam0.6 is now retired. Furthermore, there are unresolved test failures with current isa-l releases, https://github.com/milesgranger/isal-rs/issues/31.