6d030ba137
* Deactivate previous env before activating new one Currently on develop you can run `spack env activate` multiple times to switch between environments, but they leave traces, even though Spack only supports one active environment at a time. Currently: ```console $ spack env create a $ spack env create b $ spack env activate -p a [a] $ spack env activate -p b [b] [a] $ spack env activate -p b [a] [b] [a] $ spack env activate -p a [a] [b] [c] $ echo $MANPATH | tr ":" "\n" /path/to/environments/a/.spack-env/view/share/man /path/to/environments/a/.spack-env/view/man /path/to/environments/b/.spack-env/view/share/man /path/to/environments/b/.spack-env/view/man ``` This PR fixes that: ```console $ spack env activate -p a [a] $ spack env activate -p b [b] $ spack env activate -p a [a] $ echo $MANPATH | tr ":" "\n" /path/to/environments/a/.spack-env/view/share/man /path/to/environments/a/.spack-env/view/man ``` |
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