Changelog

v2.1.1

For Spack v0.22.0.dev0 and higher spack install without further flags can install prebuilt binaries from the build cache without erroring about missing signatures on the binaries. The default build cache is marked as "unsigned".
Disable /etc/spack and ~/.spack config files, only use $spack/etc

v2.1.0

Support shell aware commands like spack env activate and spack load in the spack-bash and spack-sh shells.

v2.0.0

Enable build cache from https://github.com/spack/github-actions-buildcache
Enable color output by default
Remove custom bootstrapped binaries for clingo
Remove option for choosing the concretizer